diff options
Diffstat (limited to 'resources/coreboot/haswell')
28 files changed, 0 insertions, 12163 deletions
diff --git a/resources/coreboot/haswell/patches/0001-commonlib-clamp.h-Add-more-clamping-functions.patch b/resources/coreboot/haswell/patches/0001-commonlib-clamp.h-Add-more-clamping-functions.patch deleted file mode 100644 index 96e4c14d..00000000 --- a/resources/coreboot/haswell/patches/0001-commonlib-clamp.h-Add-more-clamping-functions.patch +++ /dev/null @@ -1,54 +0,0 @@ -From dd58f5e9108bc596c93071705d2b53233d13ade6 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 20:36:10 +0200 -Subject: [PATCH 01/26] commonlib/clamp.h: Add more clamping functions - -Add more clamping functions that work with different types. - -Change-Id: I14cf335d5a54f769f8fd9184450957e876affd6b -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - src/commonlib/include/commonlib/clamp.h | 26 +++++++++++++++++-------- - 1 file changed, 18 insertions(+), 8 deletions(-) - -diff --git a/src/commonlib/include/commonlib/clamp.h b/src/commonlib/include/commonlib/clamp.h -index e01a107ed4..526185195c 100644 ---- a/src/commonlib/include/commonlib/clamp.h -+++ b/src/commonlib/include/commonlib/clamp.h -@@ -8,15 +8,25 @@ - /* - * Clamp a value, so that it is between a lower and an upper bound. - */ --static inline u32 clamp_u32(const u32 min, const u32 val, const u32 max) --{ -- if (val > max) -- return max; -+#define __MAKE_CLAMP_FUNC(type) \ -+ static inline type clamp_##type(const type min, const type val, const type max) \ -+ { \ -+ if (val > max) \ -+ return max; \ -+ if (val < min) \ -+ return min; \ -+ return val; \ -+ } \ - -- if (val < min) -- return min; -+__MAKE_CLAMP_FUNC(s8) /* clamp_s8 */ -+__MAKE_CLAMP_FUNC(u8) /* clamp_u8 */ -+__MAKE_CLAMP_FUNC(s16) /* clamp_s16 */ -+__MAKE_CLAMP_FUNC(u16) /* clamp_u16 */ -+__MAKE_CLAMP_FUNC(s32) /* clamp_s32 */ -+__MAKE_CLAMP_FUNC(u32) /* clamp_u32 */ -+__MAKE_CLAMP_FUNC(s64) /* clamp_s64 */ -+__MAKE_CLAMP_FUNC(u64) /* clamp_u64 */ - -- return val; --} -+#undef __MAKE_CLAMP_FUNC - - #endif /* COMMONLIB_CLAMP_H */ --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0002-nb-intel-haswell-Introduce-option-to-not-use-MRC.bin.patch b/resources/coreboot/haswell/patches/0002-nb-intel-haswell-Introduce-option-to-not-use-MRC.bin.patch deleted file mode 100644 index 35d5c89e..00000000 --- a/resources/coreboot/haswell/patches/0002-nb-intel-haswell-Introduce-option-to-not-use-MRC.bin.patch +++ /dev/null @@ -1,143 +0,0 @@ -From c07391821c32cafea950574b85468f5b3284b6df Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 21:12:14 +0200 -Subject: [PATCH 02/26] nb/intel/haswell: Introduce option to not use MRC.bin - -Introduce the `USE_NATIVE_RAMINIT` Kconfig option, which should allow -booting coreboot on Haswell mainboards without the need of the closed -source MRC.bin. For now, this option does not work at all; the needed -magic will be implemented in subsequent commits. Add a config file to -make sure the newly-introduced option gets build-tested. - -Change-Id: I46c77586f9b5771624082e07c60c205e578edd8e -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - configs/config.asrock_b85m_pro4.native_raminit | 5 +++++ - src/northbridge/intel/haswell/Kconfig | 13 +++++++++++++ - src/northbridge/intel/haswell/Makefile.inc | 7 ++++++- - .../intel/haswell/native_raminit/Makefile.inc | 3 +++ - .../intel/haswell/native_raminit/raminit_native.c | 15 +++++++++++++++ - 5 files changed, 42 insertions(+), 1 deletion(-) - create mode 100644 configs/config.asrock_b85m_pro4.native_raminit - create mode 100644 src/northbridge/intel/haswell/native_raminit/Makefile.inc - create mode 100644 src/northbridge/intel/haswell/native_raminit/raminit_native.c - -diff --git a/configs/config.asrock_b85m_pro4.native_raminit b/configs/config.asrock_b85m_pro4.native_raminit -new file mode 100644 -index 0000000000..2de538926f ---- /dev/null -+++ b/configs/config.asrock_b85m_pro4.native_raminit -@@ -0,0 +1,5 @@ -+# Configuration used to build-test native raminit -+CONFIG_VENDOR_ASROCK=y -+CONFIG_BOARD_ASROCK_B85M_PRO4=y -+CONFIG_USE_NATIVE_RAMINIT=y -+CONFIG_DEBUG_RAM_SETUP=y -diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig -index 50acb09a91..b659bf6d98 100644 ---- a/src/northbridge/intel/haswell/Kconfig -+++ b/src/northbridge/intel/haswell/Kconfig -@@ -9,6 +9,14 @@ config NORTHBRIDGE_INTEL_HASWELL - - if NORTHBRIDGE_INTEL_HASWELL - -+config USE_NATIVE_RAMINIT -+ bool "[NOT WORKING] Use native raminit" -+ default n -+ select HAVE_DEBUG_RAM_SETUP -+ help -+ Select if you want to use coreboot implementation of raminit rather than -+ MRC.bin. Currently incomplete and does not boot. -+ - config HASWELL_VBOOT_IN_BOOTBLOCK - depends on VBOOT - bool "Start verstage in bootblock" -@@ -45,6 +53,7 @@ config DCACHE_RAM_BASE - - config DCACHE_RAM_SIZE - hex -+ default 0x40000 if USE_NATIVE_RAMINIT - default 0x10000 - help - The size of the cache-as-ram region required during bootblock -@@ -53,12 +62,14 @@ config DCACHE_RAM_SIZE - - config DCACHE_RAM_MRC_VAR_SIZE - hex -+ default 0x0 if USE_NATIVE_RAMINIT - default 0x30000 - help - The amount of cache-as-ram region required by the reference code. - - config DCACHE_BSP_STACK_SIZE - hex -+ default 0x20000 if USE_NATIVE_RAMINIT - default 0x2000 - help - The amount of anticipated stack usage in CAR by bootblock and -@@ -66,6 +77,7 @@ config DCACHE_BSP_STACK_SIZE - - config HAVE_MRC - bool "Add a System Agent binary" -+ depends on !USE_NATIVE_RAMINIT - help - Select this option to add a System Agent binary to - the resulting coreboot image. -@@ -82,6 +94,7 @@ config MRC_FILE - - config HASWELL_HIDE_PEG_FROM_MRC - bool "Hide PEG devices from MRC to work around hardcoded MRC behavior" -+ depends on !USE_NATIVE_RAMINIT - default y - help - If set, hides all PEG devices from MRC. This allows the iGPU -diff --git a/src/northbridge/intel/haswell/Makefile.inc b/src/northbridge/intel/haswell/Makefile.inc -index 2d1532be05..329f1f7ffe 100644 ---- a/src/northbridge/intel/haswell/Makefile.inc -+++ b/src/northbridge/intel/haswell/Makefile.inc -@@ -19,6 +19,11 @@ romstage-y += report_platform.c - - postcar-y += memmap.c - --subdirs-y += haswell_mrc -+ifeq ($(CONFIG_USE_NATIVE_RAMINIT),y) -+subdirs-y += native_raminit -+ -+else -+subdirs-y += haswell_mrc -+endif - - endif -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -new file mode 100644 -index 0000000000..8cfb4fb33e ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -0,0 +1,3 @@ -+## SPDX-License-Identifier: GPL-2.0-or-later -+ -+romstage-y += raminit_native.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -new file mode 100644 -index 0000000000..1aafdf8659 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -0,0 +1,15 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <northbridge/intel/haswell/raminit.h> -+ -+void perform_raminit(const int s3resume) -+{ -+ /* -+ * See, this function's name is a lie. There are more things to -+ * do that memory initialisation, but they are relatively easy. -+ */ -+ -+ /** TODO: Implement the required magic **/ -+ die("NATIVE RAMINIT: More Magic (tm) required.\n"); -+} --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0003-haswell-lynxpoint-Add-native-DMI-init.patch b/resources/coreboot/haswell/patches/0003-haswell-lynxpoint-Add-native-DMI-init.patch deleted file mode 100644 index 4e70407c..00000000 --- a/resources/coreboot/haswell/patches/0003-haswell-lynxpoint-Add-native-DMI-init.patch +++ /dev/null @@ -1,615 +0,0 @@ -From 6ec71c6df97eded010e96c4ea2bd37cc6a13849d Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 21:56:48 +0200 -Subject: [PATCH 03/26] haswell/lynxpoint: Add native DMI init - -Implement native DMI init for Haswell and Lynx Point. This is only -needed on non-ULT platforms, and only when MRC.bin is not used. - -TEST=Verify DMI initialises correctly on Asrock B85M Pro4. - -Change-Id: I5fb1a2adc4ffbf0ebbf0d2d3a444055c53765faa -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - src/northbridge/intel/haswell/Makefile.inc | 1 + - src/northbridge/intel/haswell/early_dmi.c | 96 ++++++++++++ - src/northbridge/intel/haswell/early_pcie.c | 121 ++++++++++++++ - src/northbridge/intel/haswell/haswell.h | 3 + - .../haswell/native_raminit/raminit_native.c | 15 ++ - src/northbridge/intel/haswell/vcu_mailbox.c | 147 ++++++++++++++++++ - src/northbridge/intel/haswell/vcu_mailbox.h | 16 ++ - src/southbridge/intel/lynxpoint/Makefile.inc | 2 + - .../intel/lynxpoint/early_pch_native.c | 52 +++++++ - src/southbridge/intel/lynxpoint/pch.h | 20 ++- - 10 files changed, 472 insertions(+), 1 deletion(-) - create mode 100644 src/northbridge/intel/haswell/early_dmi.c - create mode 100644 src/northbridge/intel/haswell/early_pcie.c - create mode 100644 src/northbridge/intel/haswell/vcu_mailbox.c - create mode 100644 src/northbridge/intel/haswell/vcu_mailbox.h - create mode 100644 src/southbridge/intel/lynxpoint/early_pch_native.c - -diff --git a/src/northbridge/intel/haswell/Makefile.inc b/src/northbridge/intel/haswell/Makefile.inc -index 329f1f7ffe..df0b097296 100644 ---- a/src/northbridge/intel/haswell/Makefile.inc -+++ b/src/northbridge/intel/haswell/Makefile.inc -@@ -20,6 +20,7 @@ romstage-y += report_platform.c - postcar-y += memmap.c - - ifeq ($(CONFIG_USE_NATIVE_RAMINIT),y) -+romstage-y += early_dmi.c early_pcie.c vcu_mailbox.c - subdirs-y += native_raminit - - else -diff --git a/src/northbridge/intel/haswell/early_dmi.c b/src/northbridge/intel/haswell/early_dmi.c -new file mode 100644 -index 0000000000..9941242fd5 ---- /dev/null -+++ b/src/northbridge/intel/haswell/early_dmi.c -@@ -0,0 +1,96 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <southbridge/intel/lynxpoint/pch.h> -+#include <types.h> -+ -+static void dmi_print_link_status(int loglevel) -+{ -+ const uint16_t dmilsts = dmibar_read16(DMILSTS); -+ printk(loglevel, "DMI: Running at Gen%u x%u\n", dmilsts & 0xf, dmilsts >> 4 & 0x1f); -+} -+ -+#define RETRAIN (1 << 5) -+ -+#define LTRN (1 << 11) -+ -+static void dmi_setup_physical_layer(void) -+{ -+ /* Program DMI AFE settings, which are needed for DMI to work */ -+ peg_dmi_recipe(false, 0); -+ -+ /* Additional DMI programming steps */ -+ dmibar_setbits32(0x258, 1 << 29); -+ dmibar_clrsetbits32(0x208, 0x7ff, 0x6b5); -+ dmibar_clrsetbits32(0x22c, 0xffff, 0x2020); -+ -+ /* Write SA reference code version */ -+ dmibar_write32(0x71c, 0x0000000f); -+ dmibar_write32(0x720, 0x01060200); -+ -+ /* We also have to bring up the PCH side of the DMI link */ -+ pch_dmi_setup_physical_layer(); -+ -+ /* Write-once settings */ -+ dmibar_clrsetbits32(DMILCAP, 0x3f00f, 2 << 0); -+ -+ printk(BIOS_DEBUG, "Retraining DMI at Gen2 speeds...\n"); -+ dmi_print_link_status(BIOS_DEBUG); -+ -+ /* Retrain link */ -+ dmibar_setbits16(DMILCTL, RETRAIN); -+ do {} while (dmibar_read16(DMILSTS) & LTRN); -+ dmi_print_link_status(BIOS_DEBUG); -+ -+ /* Retrain link again for DMI Gen2 speeds */ -+ dmibar_setbits16(DMILCTL, RETRAIN); -+ do {} while (dmibar_read16(DMILSTS) & LTRN); -+ dmi_print_link_status(BIOS_INFO); -+} -+ -+#define VC_ACTIVE (1U << 31) -+ -+#define VCNEGPND (1 << 1) -+ -+#define DMI_VC_CFG(vcid, tcmap) (VC_ACTIVE | ((vcid) << 24) | (tcmap)) -+ -+static void dmi_tc_vc_mapping(void) -+{ -+ printk(BIOS_DEBUG, "Programming SA DMI VC/TC mappings...\n"); -+ -+ if (CONFIG(INTEL_LYNXPOINT_LP)) -+ dmibar_setbits8(0xa78, 1 << 1); -+ -+ /* Each TC is mapped to one and only one VC */ -+ const u32 vc0 = DMI_VC_CFG(0, (1 << 6) | (1 << 5) | (1 << 4) | (1 << 3) | (1 << 0)); -+ const u32 vc1 = DMI_VC_CFG(1, (1 << 1)); -+ const u32 vcp = DMI_VC_CFG(2, (1 << 2)); -+ const u32 vcm = DMI_VC_CFG(7, (1 << 7)); -+ dmibar_write32(DMIVC0RCTL, vc0); -+ dmibar_write32(DMIVC1RCTL, vc1); -+ dmibar_write32(DMIVCPRCTL, vcp); -+ dmibar_write32(DMIVCMRCTL, vcm); -+ -+ /* Set Extended VC Count (EVCC) to 1 if VC1 is active */ -+ dmibar_clrsetbits8(DMIPVCCAP1, 7, !!(vc1 & VC_ACTIVE)); -+ -+ /* -+ * We also have to program the PCH side of the DMI link. Since both ends -+ * must use the same Virtual Channel settings, we pass them as arguments. -+ */ -+ pch_dmi_tc_vc_mapping(vc0, vc1, vcp, vcm); -+ -+ printk(BIOS_DEBUG, "Waiting for SA DMI VC negotiation... "); -+ do {} while (dmibar_read16(DMIVC0RSTS) & VCNEGPND); -+ do {} while (dmibar_read16(DMIVC1RSTS) & VCNEGPND); -+ do {} while (dmibar_read16(DMIVCPRSTS) & VCNEGPND); -+ do {} while (dmibar_read16(DMIVCMRSTS) & VCNEGPND); -+ printk(BIOS_DEBUG, "done!\n"); -+} -+ -+void dmi_early_init(void) -+{ -+ dmi_setup_physical_layer(); -+ dmi_tc_vc_mapping(); -+} -diff --git a/src/northbridge/intel/haswell/early_pcie.c b/src/northbridge/intel/haswell/early_pcie.c -new file mode 100644 -index 0000000000..d3940e3fac ---- /dev/null -+++ b/src/northbridge/intel/haswell/early_pcie.c -@@ -0,0 +1,121 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <device/pci_def.h> -+#include <device/pci_mmio_cfg.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <northbridge/intel/haswell/vcu_mailbox.h> -+#include <types.h> -+ -+#define PEG_DEV(func) PCI_DEV(0, 1, func) -+ -+#define MAX_PEG_FUNC 3 -+ -+static void peg_dmi_unset_and_set_mask_pcicfg( -+ volatile union pci_bank *const bank, -+ const uint32_t offset, -+ const uint32_t unset_mask, -+ const uint32_t set_mask, -+ const uint32_t shift, -+ const bool valid) -+{ -+ if (!valid) -+ return; -+ -+ volatile uint32_t *const addr = &bank->reg32[offset / sizeof(uint32_t)]; -+ clrsetbits32(addr, unset_mask << shift, set_mask << shift); -+} -+ -+static void peg_dmi_unset_and_set_mask_common( -+ const bool is_peg, -+ const uint32_t offset, -+ const uint32_t unset, -+ const uint32_t set, -+ const uint32_t shift, -+ const bool valid) -+{ -+ const uint32_t unset_mask = unset << shift; -+ const uint32_t set_mask = set << shift; -+ if (is_peg) { -+ for (uint8_t i = 0; i < MAX_PEG_FUNC; i++) -+ pci_update_config32(PEG_DEV(i), offset, ~unset_mask, set_mask); -+ } else { -+ dmibar_clrsetbits32(offset, unset_mask, set_mask); -+ } -+} -+ -+static void peg_dmi_unset_and_set_mask_vcu_mmio( -+ const uint32_t addr, -+ const uint32_t unset_mask, -+ const uint32_t set_mask, -+ const uint32_t shift, -+ const bool valid) -+{ -+ if (!valid) -+ return; -+ -+ vcu_update_mmio(addr, ~(unset_mask << shift), set_mask << shift); -+} -+ -+#define BUNDLE_STEP 0x20 -+ -+static void *const dmibar = (void *)(uintptr_t)CONFIG_FIXED_DMIBAR_MMIO_BASE; -+ -+void peg_dmi_recipe(const bool is_peg, const pci_devfn_t dev) -+{ -+ const bool always = true; -+ const bool is_dmi = !is_peg; -+ -+ /* Treat DMIBAR and PEG devices the same way */ -+ volatile union pci_bank *const bank = is_peg ? pci_map_bus(dev) : dmibar; -+ -+ const size_t bundles = (is_peg ? 8 : 2) * BUNDLE_STEP; -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) { -+ /* These are actually per-lane */ -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0xa00 + i, 0x1f, 0x0c, 0, always); -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0xa10 + i, 0x1f, 0x0c, 0, always); -+ } -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x904 + i, 0x1f, 0x02, 0, is_peg); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x904 + i, 0x1f, 0x03, 5, is_peg); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x90c + i, 0x3f, 0x09, 5, always); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x90c + i, 0x0f, 0x05, 21, is_peg); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x910 + i, 0x0f, 0x08, 6, is_peg); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x910 + i, 0x0f, 0x00, 10, always); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x910 + i, 0x07, 0x00, 18, always); -+ -+ peg_dmi_unset_and_set_mask_vcu_mmio(0x0c008001, 0x1f, 0x03, 25, is_peg); -+ peg_dmi_unset_and_set_mask_vcu_mmio(0x0c0c8001, 0x3f, 0x00, 23, is_dmi); -+ -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0xc28, 0x1f, 0x13, 18, always); -+ -+ peg_dmi_unset_and_set_mask_common(is_peg, 0xc38, 0x01, 0x00, 6, always); -+ peg_dmi_unset_and_set_mask_common(is_peg, 0x260, 0x03, 0x02, 0, always); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x900 + i, 0x03, 0x00, 26, always); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x904 + i, 0x03, 0x03, 10, always); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x90c + i, 0x1f, 0x07, 25, is_peg); -+ -+ for (size_t i = 0; i < bundles; i += BUNDLE_STEP) -+ peg_dmi_unset_and_set_mask_pcicfg(bank, 0x91c + i, 0x07, 0x05, 27, is_peg); -+} -diff --git a/src/northbridge/intel/haswell/haswell.h b/src/northbridge/intel/haswell/haswell.h -index 1b29f6baf0..30b4abd0a7 100644 ---- a/src/northbridge/intel/haswell/haswell.h -+++ b/src/northbridge/intel/haswell/haswell.h -@@ -34,6 +34,9 @@ void haswell_early_initialization(void); - void haswell_late_initialization(void); - void haswell_unhide_peg(void); - -+void dmi_early_init(void); -+void peg_dmi_recipe(const bool is_peg, const pci_devfn_t dev); -+ - void report_platform_info(void); - - struct acpi_rsdp; -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index 1aafdf8659..0938e026e3 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -1,7 +1,19 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - - #include <console/console.h> -+#include <northbridge/intel/haswell/haswell.h> - #include <northbridge/intel/haswell/raminit.h> -+#include <types.h> -+ -+static bool early_init_native(int s3resume) -+{ -+ printk(BIOS_DEBUG, "Starting native platform initialisation\n"); -+ -+ if (!CONFIG(INTEL_LYNXPOINT_LP)) -+ dmi_early_init(); -+ -+ return false; -+} - - void perform_raminit(const int s3resume) - { -@@ -9,6 +21,9 @@ void perform_raminit(const int s3resume) - * See, this function's name is a lie. There are more things to - * do that memory initialisation, but they are relatively easy. - */ -+ const bool cpu_replaced = early_init_native(s3resume); -+ -+ (void)cpu_replaced; - - /** TODO: Implement the required magic **/ - die("NATIVE RAMINIT: More Magic (tm) required.\n"); -diff --git a/src/northbridge/intel/haswell/vcu_mailbox.c b/src/northbridge/intel/haswell/vcu_mailbox.c -new file mode 100644 -index 0000000000..aead144023 ---- /dev/null -+++ b/src/northbridge/intel/haswell/vcu_mailbox.c -@@ -0,0 +1,147 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <assert.h> -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <northbridge/intel/haswell/vcu_mailbox.h> -+#include <stdint.h> -+ -+/* -+ * This is a library for the VCU (Validation Control Unit) mailbox. This -+ * mailbox is primarily used to adjust some magic PCIe tuning parameters. -+ * -+ * There are two revisions of the VCU mailbox. Rev1 is specific to Haswell -+ * stepping A0, and all other steppings use Rev2. Haswell stepping A0 CPUs -+ * are early Engineering Samples with undocumented errata, and most likely -+ * need special microcode updates to boot. Thus, the code does not support -+ * VCU mailbox Rev1, because no one should need it anymore. -+ */ -+ -+#define VCU_MAILBOX_INTERFACE 0x6c00 -+#define VCU_MAILBOX_DATA 0x6c04 -+ -+#define VCU_RUN_BUSY (1 << 31) -+ -+enum vcu_opcode { -+ VCU_OPCODE_READ_VCU_API_VER_ID = 0x01, -+ VCU_OPCODE_OPEN_SEQ = 0x02, -+ VCU_OPCODE_CLOSE_SEQ = 0x03, -+ VCU_OPCODE_READ_DATA = 0x07, -+ VCU_OPCODE_WRITE_DATA = 0x08, -+ VCU_OPCODE_READ_CSR = 0x13, -+ VCU_OPCODE_WRITE_CSR = 0x14, -+ VCU_OPCODE_READ_MMIO = 0x15, -+ VCU_OPCODE_WRITE_MMIO = 0x16, -+}; -+ -+enum vcu_sequence { -+ SEQ_ID_READ_CSR = 0x1, -+ SEQ_ID_WRITE_CSR = 0x2, -+ SEQ_ID_READ_MMIO = 0x3, -+ SEQ_ID_WRITE_MMIO = 0x4, -+}; -+ -+#define VCU_RESPONSE_MASK 0xffff -+#define VCU_RESPONSE_SUCCESS 0x40 -+#define VCU_RESPONSE_BUSY 0x80 -+#define VCU_RESPONSE_THREAD_UNAVAILABLE 0x82 -+#define VCU_RESPONSE_ILLEGAL 0x90 -+ -+/* FIXME: Use timer API */ -+static void send_vcu_command(const enum vcu_opcode opcode, const uint32_t data) -+{ -+ for (unsigned int i = 0; i < 10; i++) { -+ mchbar_write32(VCU_MAILBOX_DATA, data); -+ mchbar_write32(VCU_MAILBOX_INTERFACE, opcode | VCU_RUN_BUSY); -+ uint32_t vcu_interface; -+ for (unsigned int j = 0; j < 100; j++) { -+ vcu_interface = mchbar_read32(VCU_MAILBOX_INTERFACE); -+ if (!(vcu_interface & VCU_RUN_BUSY)) -+ break; -+ -+ udelay(10); -+ } -+ if (vcu_interface & VCU_RUN_BUSY) -+ continue; -+ -+ if ((vcu_interface & VCU_RESPONSE_MASK) == VCU_RESPONSE_SUCCESS) -+ return; -+ } -+ printk(BIOS_ERR, "VCU: Failed to send command\n"); -+} -+ -+static enum vcu_opcode get_register_opcode(enum vcu_sequence seq) -+{ -+ switch (seq) { -+ case SEQ_ID_READ_CSR: -+ return VCU_OPCODE_READ_CSR; -+ case SEQ_ID_WRITE_CSR: -+ return VCU_OPCODE_WRITE_CSR; -+ case SEQ_ID_READ_MMIO: -+ return VCU_OPCODE_READ_MMIO; -+ case SEQ_ID_WRITE_MMIO: -+ return VCU_OPCODE_WRITE_MMIO; -+ default: -+ return dead_code_t(enum vcu_opcode); -+ } -+} -+ -+static enum vcu_opcode get_data_opcode(enum vcu_sequence seq) -+{ -+ switch (seq) { -+ case SEQ_ID_READ_CSR: -+ case SEQ_ID_READ_MMIO: -+ return VCU_OPCODE_READ_DATA; -+ case SEQ_ID_WRITE_CSR: -+ case SEQ_ID_WRITE_MMIO: -+ return VCU_OPCODE_WRITE_DATA; -+ default: -+ return dead_code_t(enum vcu_opcode); -+ } -+} -+ -+static uint32_t send_vcu_sequence(uint32_t addr, enum vcu_sequence seq, uint32_t wr_data) -+{ -+ send_vcu_command(VCU_OPCODE_OPEN_SEQ, seq); -+ -+ send_vcu_command(get_register_opcode(seq), addr); -+ -+ send_vcu_command(get_data_opcode(seq), wr_data); -+ -+ const uint32_t rd_data = mchbar_read32(VCU_MAILBOX_DATA); -+ -+ send_vcu_command(VCU_OPCODE_CLOSE_SEQ, seq); -+ -+ return rd_data; -+} -+ -+uint32_t vcu_read_csr(uint32_t addr) -+{ -+ return send_vcu_sequence(addr, SEQ_ID_READ_CSR, 0); -+} -+ -+void vcu_write_csr(uint32_t addr, uint32_t data) -+{ -+ send_vcu_sequence(addr, SEQ_ID_WRITE_CSR, data); -+} -+ -+void vcu_update_csr(uint32_t addr, uint32_t andvalue, uint32_t orvalue) -+{ -+ vcu_write_csr(addr, (vcu_read_csr(addr) & andvalue) | orvalue); -+} -+ -+uint32_t vcu_read_mmio(uint32_t addr) -+{ -+ return send_vcu_sequence(addr, SEQ_ID_READ_MMIO, 0); -+} -+ -+void vcu_write_mmio(uint32_t addr, uint32_t data) -+{ -+ send_vcu_sequence(addr, SEQ_ID_WRITE_MMIO, data); -+} -+ -+void vcu_update_mmio(uint32_t addr, uint32_t andvalue, uint32_t orvalue) -+{ -+ vcu_write_mmio(addr, (vcu_read_mmio(addr) & andvalue) | orvalue); -+} -diff --git a/src/northbridge/intel/haswell/vcu_mailbox.h b/src/northbridge/intel/haswell/vcu_mailbox.h -new file mode 100644 -index 0000000000..ba0a62e486 ---- /dev/null -+++ b/src/northbridge/intel/haswell/vcu_mailbox.h -@@ -0,0 +1,16 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#ifndef HASWELL_VCU_MAILBOX_H -+#define HASWELL_VCU_MAILBOX_H -+ -+#include <stdint.h> -+ -+uint32_t vcu_read_csr(uint32_t addr); -+void vcu_write_csr(uint32_t addr, uint32_t data); -+void vcu_update_csr(uint32_t addr, uint32_t andvalue, uint32_t orvalue); -+ -+uint32_t vcu_read_mmio(uint32_t addr); -+void vcu_write_mmio(uint32_t addr, uint32_t data); -+void vcu_update_mmio(uint32_t addr, uint32_t andvalue, uint32_t orvalue); -+ -+#endif /* HASWELL_VCU_MAILBOX_H */ -diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc -index 02022d348d..b8503ac8bc 100644 ---- a/src/southbridge/intel/lynxpoint/Makefile.inc -+++ b/src/southbridge/intel/lynxpoint/Makefile.inc -@@ -37,6 +37,8 @@ bootblock-y += early_pch.c - romstage-y += early_usb.c early_me.c me_status.c early_pch.c - romstage-y += pmutil.c - -+romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c -+ - ifeq ($(CONFIG_INTEL_LYNXPOINT_LP),y) - romstage-y += lp_gpio.c - ramstage-y += lp_gpio.c -diff --git a/src/southbridge/intel/lynxpoint/early_pch_native.c b/src/southbridge/intel/lynxpoint/early_pch_native.c -new file mode 100644 -index 0000000000..c28ddfcf5d ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/early_pch_native.c -@@ -0,0 +1,52 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/pch.h> -+#include <types.h> -+ -+void pch_dmi_setup_physical_layer(void) -+{ -+ /* FIXME: We need to make sure the SA supports Gen2 as well */ -+ if ((RCBA32(0x21a4) & 0x0f) == 0x02) { -+ /* Set Gen 2 Common Clock N_FTS */ -+ RCBA32_AND_OR(0x2340, ~0x00ff0000, 0x3a << 16); -+ -+ /* Set Target Link Speed to DMI Gen2 */ -+ RCBA8_AND_OR(DLCTL2, ~0x07, 0x02); -+ } -+} -+ -+#define VC_ACTIVE (1U << 31) -+ -+#define VCNEGPND (1 << 1) -+ -+void pch_dmi_tc_vc_mapping(const u32 vc0, const u32 vc1, const u32 vcp, const u32 vcm) -+{ -+ printk(BIOS_DEBUG, "Programming PCH DMI VC/TC mappings...\n"); -+ -+ RCBA32_AND_OR(CIR0050, ~(0xf << 20), 2 << 20); -+ if (vcp & VC_ACTIVE) -+ RCBA32_OR(CIR0050, 1 << 19 | 1 << 17); -+ -+ RCBA32(CIR0050); /* Posted Write */ -+ -+ /* Use the same virtual channel mapping on both ends of the DMI link */ -+ RCBA32(V0CTL) = vc0; -+ RCBA32(V1CTL) = vc1; -+ RCBA32(V1CTL); /* Posted Write */ -+ RCBA32(VPCTL) = vcp; -+ RCBA32(VPCTL); /* Posted Write */ -+ RCBA32(VMCTL) = vcm; -+ -+ /* Lock the registers */ -+ RCBA32_OR(CIR0050, 1U << 31); -+ RCBA32(CIR0050); /* Posted Write */ -+ -+ printk(BIOS_DEBUG, "Waiting for PCH DMI VC negotiation... "); -+ do {} while (RCBA16(V0STS) & VCNEGPND); -+ do {} while (RCBA16(V1STS) & VCNEGPND); -+ do {} while (RCBA16(VPSTS) & VCNEGPND); -+ do {} while (RCBA16(VMSTS) & VCNEGPND); -+ printk(BIOS_DEBUG, "done!\n"); -+} -diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h -index 7d9fc6d6af..b5e0c2a830 100644 ---- a/src/southbridge/intel/lynxpoint/pch.h -+++ b/src/southbridge/intel/lynxpoint/pch.h -@@ -113,6 +113,9 @@ enum pch_platform_type { - PCH_TYPE_ULT = 5, - }; - -+void pch_dmi_setup_physical_layer(void); -+void pch_dmi_tc_vc_mapping(u32 vc0, u32 vc1, u32 vcp, u32 vcm); -+ - void usb_ehci_sleep_prepare(pci_devfn_t dev, u8 slp_typ); - void usb_ehci_disable(pci_devfn_t dev); - void usb_xhci_sleep_prepare(pci_devfn_t dev, u8 slp_typ); -@@ -406,9 +409,10 @@ void mainboard_config_rcba(void); - - /* Southbridge IO BARs */ - -+#define PMBASE 0x40 - #define GPIOBASE 0x48 - --#define PMBASE 0x40 -+#define CIR0050 0x0050 /* 32bit */ - - #define RPC 0x0400 /* 32bit */ - #define RPFN 0x0404 /* 32bit */ -@@ -431,6 +435,20 @@ void mainboard_config_rcba(void); - #define IOTR2 0x1e90 /* 64bit */ - #define IOTR3 0x1e98 /* 64bit */ - -+#define V0CTL 0x2014 /* 32bit */ -+#define V0STS 0x201a /* 16bit */ -+ -+#define V1CTL 0x2020 /* 32bit */ -+#define V1STS 0x2026 /* 16bit */ -+ -+#define VPCTL 0x2030 /* 32bit */ -+#define VPSTS 0x2038 /* 16bit */ -+ -+#define VMCTL 0x2040 /* 32bit */ -+#define VMSTS 0x2048 /* 16bit */ -+ -+#define DLCTL2 0x21b0 -+ - #define TCTL 0x3000 /* 8bit */ - - #define NOINT 0 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0004-haswell-lynxpoint-Add-native-early-ME-init.patch b/resources/coreboot/haswell/patches/0004-haswell-lynxpoint-Add-native-early-ME-init.patch deleted file mode 100644 index 28dbc02a..00000000 --- a/resources/coreboot/haswell/patches/0004-haswell-lynxpoint-Add-native-early-ME-init.patch +++ /dev/null @@ -1,148 +0,0 @@ -From 98142e01fc8ebb3b762974e9e4de75e7f5c073b4 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 22:18:21 +0200 -Subject: [PATCH 04/26] haswell/lynxpoint: Add native early ME init - -Implement native early ME init for Lynx Point. This is only needed when -MRC.bin is not used. - -Change-Id: If416e2078f139f26b4742c564b70e018725bf003 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/raminit_native.c | 17 ++++++++++- - src/southbridge/intel/lynxpoint/early_me.c | 30 ++++++++++++++++++- - src/southbridge/intel/lynxpoint/me.h | 7 +++-- - 3 files changed, 50 insertions(+), 4 deletions(-) - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index 0938e026e3..6a002548c1 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -1,18 +1,24 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - - #include <console/console.h> -+#include <delay.h> - #include <northbridge/intel/haswell/haswell.h> - #include <northbridge/intel/haswell/raminit.h> -+#include <southbridge/intel/lynxpoint/me.h> - #include <types.h> - - static bool early_init_native(int s3resume) - { - printk(BIOS_DEBUG, "Starting native platform initialisation\n"); - -+ intel_early_me_init(); -+ /** TODO: CPU replacement check must be skipped in warm boots and S3 resumes **/ -+ const bool cpu_replaced = !s3resume && intel_early_me_cpu_replacement_check(); -+ - if (!CONFIG(INTEL_LYNXPOINT_LP)) - dmi_early_init(); - -- return false; -+ return cpu_replaced; - } - - void perform_raminit(const int s3resume) -@@ -25,6 +31,15 @@ void perform_raminit(const int s3resume) - - (void)cpu_replaced; - -+ /** TODO: Move after raminit */ -+ if (intel_early_me_uma_size() > 0) { -+ /** TODO: Update status once raminit is implemented **/ -+ uint8_t me_status = ME_INIT_STATUS_ERROR; -+ intel_early_me_init_done(me_status); -+ } -+ -+ intel_early_me_status(); -+ - /** TODO: Implement the required magic **/ - die("NATIVE RAMINIT: More Magic (tm) required.\n"); - } -diff --git a/src/southbridge/intel/lynxpoint/early_me.c b/src/southbridge/intel/lynxpoint/early_me.c -index 947c570e16..07013c5539 100644 ---- a/src/southbridge/intel/lynxpoint/early_me.c -+++ b/src/southbridge/intel/lynxpoint/early_me.c -@@ -1,11 +1,12 @@ - /* SPDX-License-Identifier: GPL-2.0-only */ - - #include <arch/io.h> -+#include <cf9_reset.h> - #include <device/pci_ops.h> - #include <console/console.h> - #include <delay.h> - #include <halt.h> -- -+#include <timer.h> - #include "me.h" - #include "pch.h" - -@@ -60,6 +61,33 @@ int intel_early_me_init(void) - return 0; - } - -+bool intel_early_me_cpu_replacement_check(void) -+{ -+ printk(BIOS_DEBUG, "ME: Checking whether CPU was replaced... "); -+ -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 50); -+ -+ union me_hfs2 hfs2; -+ do { -+ hfs2.raw = pci_read_config32(PCH_ME_DEV, PCI_ME_HFS2); -+ if (stopwatch_expired(&timer)) { -+ /* Assume CPU was replaced just in case */ -+ printk(BIOS_DEBUG, "timed out, assuming CPU was replaced\n"); -+ return true; -+ } -+ udelay(ME_DELAY); -+ } while (!hfs2.cpu_replaced_valid); -+ -+ if (hfs2.warm_reset_request) { -+ printk(BIOS_DEBUG, "warm reset needed for dynamic fusing\n"); -+ system_reset(); -+ } -+ -+ printk(BIOS_DEBUG, "%sreplaced\n", hfs2.cpu_replaced_sts ? "" : "not "); -+ return hfs2.cpu_replaced_sts; -+} -+ - int intel_early_me_uma_size(void) - { - union me_uma uma = { .raw = pci_read_config32(PCH_ME_DEV, PCI_ME_UMA) }; -diff --git a/src/southbridge/intel/lynxpoint/me.h b/src/southbridge/intel/lynxpoint/me.h -index fe8b0260c4..6990322651 100644 ---- a/src/southbridge/intel/lynxpoint/me.h -+++ b/src/southbridge/intel/lynxpoint/me.h -@@ -177,14 +177,16 @@ union me_did { - union me_hfs2 { - struct __packed { - u32 bist_in_progress: 1; -- u32 reserved1: 2; -+ u32 icc_prog_sts: 2; - u32 invoke_mebx: 1; - u32 cpu_replaced_sts: 1; - u32 mbp_rdy: 1; - u32 mfs_failure: 1; - u32 warm_reset_request: 1; - u32 cpu_replaced_valid: 1; -- u32 reserved2: 4; -+ u32 reserved: 2; -+ u32 fw_upd_ipu: 1; -+ u32 reserved2: 1; - u32 mbp_cleared: 1; - u32 reserved3: 2; - u32 current_state: 8; -@@ -338,6 +340,7 @@ void intel_me_status(union me_hfs hfs, union me_hfs2 hfs2); - - void intel_early_me_status(void); - int intel_early_me_init(void); -+bool intel_early_me_cpu_replacement_check(void); - int intel_early_me_uma_size(void); - int intel_early_me_init_done(u8 status); - --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0005-sb-intel-lynxpoint-Add-native-USB-init.patch b/resources/coreboot/haswell/patches/0005-sb-intel-lynxpoint-Add-native-USB-init.patch deleted file mode 100644 index d9c2570b..00000000 --- a/resources/coreboot/haswell/patches/0005-sb-intel-lynxpoint-Add-native-USB-init.patch +++ /dev/null @@ -1,783 +0,0 @@ -From 9bfb8614dbf1d9800ef8251cb3d839bcdbe5577f Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 23:17:39 +0200 -Subject: [PATCH 05/26] sb/intel/lynxpoint: Add native USB init - -Implement native USB initialisation for Lynx Point. This is only needed -when MRC.bin is not used. - -TO DO: Figure out how to deal with the FIXME's and TODO's lying around. - -Change-Id: Ie0fbeeca7b1ca1557173772d733fd2fa27703373 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/raminit_native.c | 3 + - src/southbridge/intel/lynxpoint/Makefile.inc | 2 +- - src/southbridge/intel/lynxpoint/early_usb.c | 11 - - .../intel/lynxpoint/early_usb_native.c | 584 ++++++++++++++++++ - src/southbridge/intel/lynxpoint/pch.h | 49 ++ - 5 files changed, 637 insertions(+), 12 deletions(-) - create mode 100644 src/southbridge/intel/lynxpoint/early_usb_native.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index 6a002548c1..ef61d4ee09 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -5,6 +5,7 @@ - #include <northbridge/intel/haswell/haswell.h> - #include <northbridge/intel/haswell/raminit.h> - #include <southbridge/intel/lynxpoint/me.h> -+#include <southbridge/intel/lynxpoint/pch.h> - #include <types.h> - - static bool early_init_native(int s3resume) -@@ -15,6 +16,8 @@ static bool early_init_native(int s3resume) - /** TODO: CPU replacement check must be skipped in warm boots and S3 resumes **/ - const bool cpu_replaced = !s3resume && intel_early_me_cpu_replacement_check(); - -+ early_usb_init(); -+ - if (!CONFIG(INTEL_LYNXPOINT_LP)) - dmi_early_init(); - -diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc -index b8503ac8bc..0e1f2fe4eb 100644 ---- a/src/southbridge/intel/lynxpoint/Makefile.inc -+++ b/src/southbridge/intel/lynxpoint/Makefile.inc -@@ -37,7 +37,7 @@ bootblock-y += early_pch.c - romstage-y += early_usb.c early_me.c me_status.c early_pch.c - romstage-y += pmutil.c - --romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c -+romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c early_usb_native.c iobp.c - - ifeq ($(CONFIG_INTEL_LYNXPOINT_LP),y) - romstage-y += lp_gpio.c -diff --git a/src/southbridge/intel/lynxpoint/early_usb.c b/src/southbridge/intel/lynxpoint/early_usb.c -index a753681ce0..52e8ac17f8 100644 ---- a/src/southbridge/intel/lynxpoint/early_usb.c -+++ b/src/southbridge/intel/lynxpoint/early_usb.c -@@ -4,17 +4,6 @@ - #include <device/pci_def.h> - #include "pch.h" - --/* HCD_INDEX == 2 selects 0:1a.0 (PCH_EHCI2), any other index -- * selects 0:1d.0 (PCH_EHCI1) for usbdebug use. -- */ --#if CONFIG_USBDEBUG_HCD_INDEX != 2 --#define PCH_EHCI1_TEMP_BAR0 CONFIG_EHCI_BAR --#define PCH_EHCI2_TEMP_BAR0 (PCH_EHCI1_TEMP_BAR0 + 0x400) --#else --#define PCH_EHCI2_TEMP_BAR0 CONFIG_EHCI_BAR --#define PCH_EHCI1_TEMP_BAR0 (PCH_EHCI2_TEMP_BAR0 + 0x400) --#endif -- - /* - * Setup USB controller MMIO BAR to prevent the - * reference code from resetting the controller. -diff --git a/src/southbridge/intel/lynxpoint/early_usb_native.c b/src/southbridge/intel/lynxpoint/early_usb_native.c -new file mode 100644 -index 0000000000..cb6f6ee8e6 ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/early_usb_native.c -@@ -0,0 +1,584 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <delay.h> -+#include <device/mmio.h> -+#include <device/pci_def.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <northbridge/intel/haswell/raminit.h> -+#include <southbridge/intel/lynxpoint/iobp.h> -+#include <southbridge/intel/lynxpoint/pch.h> -+#include <timer.h> -+#include <types.h> -+ -+static unsigned int is_usbr_enabled(void) -+{ -+ return !!(pci_read_config32(PCH_XHCI_DEV, XHCI_USB3FUS) & BIT(5)); -+} -+ -+static char *const xhci_bar = (char *)PCH_XHCI_TEMP_BAR0; -+ -+static void ehci_hcs_init(const pci_devfn_t dev, const uintptr_t ehci_bar) -+{ -+ pci_write_config32(dev, PCI_BASE_ADDRESS_0, ehci_bar); -+ -+ /** FIXME: Determine whether Bus Master is required (or clean it up afterwards) **/ -+ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); -+ -+ char *const mem_bar = (char *)ehci_bar; -+ -+ /** -+ * Shared EHCI/XHCI ports w/a. -+ * This step is required when some of the ports are routed to EHCI -+ * and other ports are routed XHCI at the same time. -+ * -+ * FIXME: Under which conditions should this be done? -+ */ -+ pci_and_config16(dev, 0x78, ~0x03); -+ -+ /* Skip reset if usbdebug is enabled */ -+ if (!CONFIG(USBDEBUG_IN_PRE_RAM)) -+ setbits32(mem_bar + EHCI_USB_CMD, EHCI_USB_CMD_HCRESET); -+ -+ /* 2: Configure number of controllers and ports */ -+ pci_or_config16(dev, EHCI_ACCESS_CNTL, ACCESS_CNTL_ENABLE); -+ clrsetbits32(mem_bar + EHCI_HCS_PARAMS, 0xf << 12, 0); -+ clrsetbits32(mem_bar + EHCI_HCS_PARAMS, 0xf << 0, 2 + is_usbr_enabled()); -+ pci_and_config16(dev, EHCI_ACCESS_CNTL, ~ACCESS_CNTL_ENABLE); -+ -+ pci_or_config16(dev, 0x78, BIT(2)); -+ pci_or_config16(dev, 0x7c, BIT(14) | BIT(7)); -+ pci_update_config32(dev, 0x8c, ~(0xf << 8), (4 << 8)); -+ pci_update_config32(dev, 0x8c, ~BIT(26), BIT(17)); -+} -+ -+static inline unsigned int physical_port_count(void) -+{ -+ return MAX_USB2_PORTS; -+} -+ -+static unsigned int hs_port_count(void) -+{ -+ /** TODO: Apparently, WPT-LP has 10 USB2 ports **/ -+ if (CONFIG(INTEL_LYNXPOINT_LP)) -+ return 8; -+ -+ switch ((pci_read_config32(PCH_XHCI_DEV, XHCI_USB3FUS) >> 1) & 3) { -+ case 3: -+ return 8; -+ case 2: -+ return 10; -+ case 1: -+ return 12; -+ case 0: -+ default: -+ return 14; -+ } -+} -+ -+static unsigned int ss_port_count(void) -+{ -+ if (CONFIG(INTEL_LYNXPOINT_LP)) -+ return 4; -+ -+ switch ((pci_read_config32(PCH_XHCI_DEV, XHCI_USB3FUS) >> 3) & 3) { -+ case 3: -+ return 0; -+ case 2: -+ return 2; -+ case 1: -+ return 4; -+ case 0: -+ default: -+ return 6; -+ } -+} -+ -+static void common_ehci_hcs_init(void) -+{ -+ const bool is_lp = CONFIG(INTEL_LYNXPOINT_LP); -+ -+ ehci_hcs_init(PCH_EHCI1_DEV, PCH_EHCI1_TEMP_BAR0); -+ if (!is_lp) -+ ehci_hcs_init(PCH_EHCI2_DEV, PCH_EHCI2_TEMP_BAR0); -+ -+ pch_iobp_update(0xe5007f04, 0, 0x00004481); -+ -+ for (unsigned int port = 0; port < physical_port_count(); port++) -+ pch_iobp_update(0xe500400f + port * 0x100, ~(1 << 0), 0 << 0); -+ -+ pch_iobp_update(0xe5007f14, ~(3 << 19), (3 << 19)); -+ -+ if (is_lp) -+ pch_iobp_update(0xe5007f02, ~(3 << 22), (0 << 22)); -+} -+ -+static void xhci_open_memory_space(void) -+{ -+ /** FIXME: Determine whether Bus Master is required (or clean it up afterwards) **/ -+ pci_write_config32(PCH_XHCI_DEV, PCI_BASE_ADDRESS_0, (uintptr_t)xhci_bar); -+ pci_or_config16(PCH_XHCI_DEV, PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); -+} -+ -+static void xhci_close_memory_space(void) -+{ -+ pci_and_config16(PCH_XHCI_DEV, PCI_COMMAND, ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY)); -+ pci_write_config32(PCH_XHCI_DEV, PCI_BASE_ADDRESS_0, 0); -+} -+ -+static void common_xhci_hc_init(void) -+{ -+ const bool is_lp = CONFIG(INTEL_LYNXPOINT_LP); -+ -+ if (!is_lp) { -+ const unsigned int max_ports = 15 + ss_port_count(); -+ clrsetbits32(xhci_bar + XHCI_HCS_PARAMS_1, 0xf << 28, max_ports << 28); -+ } -+ -+ clrsetbits32(xhci_bar + XHCI_HCS_PARAMS_3, 0xffff << 16 | 0xff, 0x200 << 16 | 0x0a); -+ clrsetbits32(xhci_bar + XHCI_HCC_PARAMS, BIT(5), BIT(10) | BIT(9)); -+ -+ if (!is_lp) -+ clrsetbits32(xhci_bar + 0x8008, BIT(19), 0); -+ -+ if (is_lp) -+ clrsetbits32(xhci_bar + 0x8058, BIT(8), BIT(16)); -+ else -+ clrsetbits32(xhci_bar + 0x8058, BIT(8), BIT(16) | BIT(20)); -+ -+ clrsetbits32(xhci_bar + 0x8060, 0, BIT(25) | BIT(18)); -+ clrsetbits32(xhci_bar + 0x8090, 0, BIT(14) | BIT(8)); -+ clrsetbits32(xhci_bar + 0x8094, 0, BIT(23) | BIT(21) | BIT(14)); -+ clrsetbits32(xhci_bar + 0x80e0, BIT(16), BIT(6)); -+ clrsetbits32(xhci_bar + 0x80ec, (7 << 12) | (7 << 9), (0 << 12) | (6 << 9)); -+ clrsetbits32(xhci_bar + 0x80f0, BIT(20), 0); -+ -+ if (is_lp) -+ clrsetbits32(xhci_bar + 0x80fc, 0, BIT(25)); -+ -+ if (is_lp) -+ clrsetbits32(xhci_bar + 0x8110, BIT(8) | BIT(2), BIT(20) | BIT(11)); -+ else -+ clrsetbits32(xhci_bar + 0x8110, BIT(2), BIT(20) | BIT(11)); -+ -+ if (is_lp) -+ write32(xhci_bar + 0x8140, 0xff00f03c); -+ else -+ write32(xhci_bar + 0x8140, 0xff03c132); -+ -+ if (is_lp) -+ clrsetbits32(xhci_bar + 0x8154, BIT(21), BIT(13)); -+ else -+ clrsetbits32(xhci_bar + 0x8154, BIT(21) | BIT(13), 0); -+ -+ clrsetbits32(xhci_bar + 0x8154, BIT(3), 0); -+ -+ if (is_lp) { -+ clrsetbits32(xhci_bar + 0x8164, 0, BIT(1) | BIT(0)); -+ write32(xhci_bar + 0x8174, 0x01400c0a); -+ write32(xhci_bar + 0x817c, 0x033200a3); -+ write32(xhci_bar + 0x8180, 0x00cb0028); -+ write32(xhci_bar + 0x8184, 0x0064001e); -+ } -+ -+ /* -+ * Note: Register at offset 0x44 is 32-bit, but bit 31 is write-once. -+ * We use these weird partial accesses here to avoid locking bit 31. -+ */ -+ pci_or_config16(PCH_XHCI_DEV, 0x44, BIT(15) | BIT(14) | BIT(10) | BIT(0)); -+ pci_or_config8(PCH_XHCI_DEV, 0x44 + 2, 0x0f); -+ -+ /* LPT-LP >= B0 */ -+ if (is_lp) -+ clrsetbits32(xhci_bar + 0x8188, 0, BIT(26) | BIT(24)); -+ -+ /* LPT-H >= C0 */ -+ if (!is_lp) -+ clrsetbits32(xhci_bar + 0x8188, 0, BIT(24)); -+} -+ -+static inline bool is_mem_sr(void) -+{ -+ return pci_read_config16(PCH_LPC_DEV, GEN_PMCON_2) & GEN_PMCON_2_MEM_SR; -+} -+ -+static bool should_restore_xhci_smart_auto(void) -+{ -+ if (!is_mem_sr()) -+ return false; -+ -+ return pci_read_config32(PCH_LPC_DEV, PMIR) & PMIR_XHCI_SMART_AUTO; -+} -+ -+enum usb_port_route { -+ ROUTE_TO_EHCI, -+ ROUTE_TO_XHCI, -+}; -+ -+/* Returns whether port reset was successful */ -+static bool reset_usb2_ports(const unsigned int ehci_ports) -+{ -+ for (unsigned int port = 0; port < ehci_ports; port++) { -+ /* Initiate port reset for all USB2 ports */ -+ clrsetbits32( -+ xhci_bar + XHCI_USB2_PORTSC(port), -+ XHCI_USB2_PORTSC_PED, -+ XHCI_USB2_PORTSC_PR); -+ } -+ /* Poll for port reset bit to be cleared or time out at 100ms */ -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 100); -+ uint32_t reg32; -+ do { -+ reg32 = 0; -+ for (unsigned int port = 0; port < ehci_ports; port++) -+ reg32 |= read32(xhci_bar + XHCI_USB2_PORTSC(port)); -+ -+ reg32 &= XHCI_USB2_PORTSC_PR; -+ if (!reg32) { -+ const long elapsed_time = stopwatch_duration_usecs(&timer); -+ printk(BIOS_DEBUG, "%s: took %lu usecs\n", __func__, elapsed_time); -+ return true; -+ } -+ /* Reference code has a 10 ms delay here, but a smaller delay works too */ -+ udelay(100); -+ } while (!stopwatch_expired(&timer)); -+ printk(BIOS_ERR, "%s: timed out\n", __func__); -+ return !reg32; -+} -+ -+/* Returns whether warm reset was successful */ -+static bool warm_reset_usb3_ports(const unsigned int xhci_ports) -+{ -+ for (unsigned int port = 0; port < xhci_ports; port++) { -+ /* Initiate warm reset for all USB3 ports */ -+ clrsetbits32( -+ xhci_bar + XHCI_USB3_PORTSC(port), -+ XHCI_USB3_PORTSC_PED, -+ XHCI_USB3_PORTSC_WPR); -+ } -+ /* Poll for port reset bit to be cleared or time out at 100ms */ -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 100); -+ uint32_t reg32; -+ do { -+ reg32 = 0; -+ for (unsigned int port = 0; port < xhci_ports; port++) -+ reg32 |= read32(xhci_bar + XHCI_USB3_PORTSC(port)); -+ -+ reg32 &= XHCI_USB3_PORTSC_PR; -+ if (!reg32) { -+ const long elapsed_time = stopwatch_duration_usecs(&timer); -+ printk(BIOS_DEBUG, "%s: took %lu usecs\n", __func__, elapsed_time); -+ return true; -+ } -+ /* Reference code has a 10 ms delay here, but a smaller delay works too */ -+ udelay(100); -+ } while (!stopwatch_expired(&timer)); -+ printk(BIOS_ERR, "%s: timed out\n", __func__); -+ return !reg32; -+} -+ -+static void perform_xhci_ehci_switching_flow(const enum usb_port_route usb_route) -+{ -+ const pci_devfn_t dev = PCH_XHCI_DEV; -+ -+ const unsigned int ehci_ports = hs_port_count() + is_usbr_enabled(); -+ const unsigned int xhci_ports = ss_port_count(); -+ -+ const uint32_t ehci_mask = BIT(ehci_ports) - 1; -+ const uint32_t xhci_mask = BIT(xhci_ports) - 1; -+ -+ /** TODO: Handle USBr port? How, though? **/ -+ pci_update_config32(dev, XHCI_USB2PRM, ~XHCI_USB2PR_HCSEL, ehci_mask); -+ pci_update_config32(dev, XHCI_USB3PRM, ~XHCI_USB3PR_SSEN, xhci_mask); -+ -+ /* -+ * Workaround for USB2PR / USB3PR value not surviving warm reset. -+ * Restore USB Port Routing registers if OS HC Switch driver has been executed. -+ */ -+ if (should_restore_xhci_smart_auto()) { -+ /** FIXME: Derive values from mainboard code instead? **/ -+ pci_update_config32(dev, XHCI_USB2PR, ~XHCI_USB2PR_HCSEL, ehci_mask); -+ pci_update_config32(dev, XHCI_USB3PR, ~XHCI_USB3PR_SSEN, xhci_mask); -+ } -+ -+ /* Later stages shouldn't need the value of this bit */ -+ pci_and_config32(PCH_LPC_DEV, PMIR, ~PMIR_XHCI_SMART_AUTO); -+ -+ /** -+ * FIXME: Things here depend on the chosen routing mode. -+ * For now, implement both functions. -+ */ -+ -+ /* Route to EHCI if xHCI disabled or auto mode */ -+ if (usb_route == ROUTE_TO_EHCI) { -+ if (!reset_usb2_ports(ehci_ports)) -+ printk(BIOS_ERR, "USB2 port reset timed out\n"); -+ -+ pci_and_config32(dev, XHCI_USB2PR, ~XHCI_USB2PR_HCSEL); -+ -+ for (unsigned int port = 0; port < ehci_ports; port++) { -+ clrsetbits32( -+ xhci_bar + XHCI_USB2_PORTSC(port), -+ XHCI_USB2_PORTSC_PED, -+ XHCI_USB2_PORTSC_CHST); -+ } -+ -+ if (!warm_reset_usb3_ports(xhci_ports)) -+ printk(BIOS_ERR, "USB3 warm reset timed out\n"); -+ -+ /* FIXME: BWG says this should be inside the warm reset function */ -+ pci_and_config32(dev, XHCI_USB3PR, ~XHCI_USB3PR_SSEN); -+ -+ for (unsigned int port = 0; port < ehci_ports; port++) { -+ clrsetbits32( -+ xhci_bar + XHCI_USB3_PORTSC(port), -+ XHCI_USB3_PORTSC_PED, -+ XHCI_USB3_PORTSC_CHST); -+ } -+ -+ setbits32(xhci_bar + XHCI_USBCMD, BIT(0)); -+ clrbits32(xhci_bar + XHCI_USBCMD, BIT(0)); -+ } -+ -+ /* Route to xHCI if xHCI enabled */ -+ if (usb_route == ROUTE_TO_XHCI) { -+ if (is_mem_sr()) { -+ if (!warm_reset_usb3_ports(xhci_ports)) -+ printk(BIOS_ERR, "USB3 warm reset timed out\n"); -+ } -+ -+ const uint32_t xhci_port_mask = pci_read_config32(dev, XHCI_USB3PRM) & 0x3f; -+ pci_update_config32(dev, XHCI_USB3PR, ~XHCI_USB3PR_SSEN, xhci_port_mask); -+ -+ const uint32_t ehci_port_mask = pci_read_config32(dev, XHCI_USB2PRM) & 0x7fff; -+ pci_update_config32(dev, XHCI_USB2PR, ~XHCI_USB2PR_HCSEL, ehci_port_mask); -+ } -+} -+ -+/* Do not shift in this macro, as it can cause undefined behaviour for bad port/oc values */ -+#define PORT_TO_OC_SHIFT(port, oc) ((oc) * 8 + (port)) -+ -+/* Avoid shifting into undefined behaviour */ -+static inline bool shift_ok(const int shift) -+{ -+ return shift >= 0 && shift < 32; -+} -+ -+static void usb_overcurrent_mapping(void) -+{ -+ const bool is_lp = CONFIG(INTEL_LYNXPOINT_LP); -+ -+ uint32_t ehci_1_ocmap = 0; -+ uint32_t ehci_2_ocmap = 0; -+ uint32_t xhci_1_ocmap = 0; -+ uint32_t xhci_2_ocmap = 0; -+ -+ /* -+ * EHCI -+ */ -+ for (unsigned int idx = 0; idx < physical_port_count(); idx++) { -+ const struct usb2_port_config *const port = &mainboard_usb2_ports[idx]; -+ printk(BIOS_DEBUG, "USB2 port %u => ", idx); -+ if (!port->enable) { -+ printk(BIOS_DEBUG, "disabled\n"); -+ continue; -+ } -+ const unsigned short oc_pin = port->oc_pin; -+ if (oc_pin == USB_OC_PIN_SKIP) { -+ printk(BIOS_DEBUG, "not mapped to OC pin\n"); -+ continue; -+ } -+ /* Ports 0 .. 7 => OC 0 .. 3 */ -+ if (idx < 8 && oc_pin <= 3) { -+ const int shift = PORT_TO_OC_SHIFT(idx, oc_pin); -+ if (shift_ok(shift)) { -+ printk(BIOS_DEBUG, "mapped to OC pin %u\n", oc_pin); -+ ehci_1_ocmap |= 1 << shift; -+ continue; -+ } -+ } -+ /* Ports 8 .. 13 => OC 4 .. 7 (LPT-H only) */ -+ if (!is_lp && idx >= 8 && oc_pin >= 4) { -+ const int shift = PORT_TO_OC_SHIFT(idx, oc_pin - 4); -+ if (shift_ok(shift)) { -+ printk(BIOS_DEBUG, "mapped to OC pin %u\n", oc_pin); -+ ehci_2_ocmap |= 1 << shift; -+ continue; -+ } -+ } -+ printk(BIOS_ERR, "Invalid OC pin %u for USB2 port %u\n", oc_pin, idx); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ pci_write_config32(PCH_EHCI1_DEV, EHCI_OCMAP, ehci_1_ocmap); -+ if (!is_lp) -+ pci_write_config32(PCH_EHCI2_DEV, EHCI_OCMAP, ehci_2_ocmap); -+ -+ /* -+ * xHCI -+ */ -+ for (unsigned int idx = 0; idx < ss_port_count(); idx++) { -+ const struct usb3_port_config *const port = &mainboard_usb3_ports[idx]; -+ printk(BIOS_DEBUG, "USB3 port %u => ", idx); -+ if (!port->enable) { -+ printk(BIOS_DEBUG, "disabled\n"); -+ continue; -+ } -+ const unsigned short oc_pin = port->oc_pin; -+ if (oc_pin == USB_OC_PIN_SKIP) { -+ printk(BIOS_DEBUG, "not mapped to OC pin\n"); -+ continue; -+ } -+ /* Ports 0 .. 5 => OC 0 .. 3 */ -+ if (oc_pin <= 3) { -+ const int shift = PORT_TO_OC_SHIFT(idx, oc_pin); -+ if (shift_ok(shift)) { -+ printk(BIOS_DEBUG, "mapped to OC pin %u\n", oc_pin); -+ xhci_1_ocmap |= 1 << shift; -+ continue; -+ } -+ } -+ /* Ports 0 .. 5 => OC 4 .. 7 (LPT-H only) */ -+ if (!is_lp && oc_pin >= 4) { -+ const int shift = PORT_TO_OC_SHIFT(idx, oc_pin - 4); -+ if (shift_ok(shift)) { -+ printk(BIOS_DEBUG, "mapped to OC pin %u\n", oc_pin); -+ xhci_2_ocmap |= 1 << shift; -+ continue; -+ } -+ } -+ printk(BIOS_ERR, "Invalid OC pin %u for USB3 port %u\n", oc_pin, idx); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ pci_write_config32(PCH_XHCI_DEV, XHCI_U2OCM1, ehci_1_ocmap); -+ pci_write_config32(PCH_XHCI_DEV, XHCI_U3OCM1, xhci_1_ocmap); -+ if (!is_lp) { -+ pci_write_config32(PCH_XHCI_DEV, XHCI_U2OCM2, ehci_2_ocmap); -+ pci_write_config32(PCH_XHCI_DEV, XHCI_U3OCM2, xhci_2_ocmap); -+ } -+} -+ -+static uint8_t get_ehci_tune_param_1(const struct usb2_port_config *const port) -+{ -+ const bool is_lp = CONFIG(INTEL_LYNXPOINT_LP); -+ -+ const enum pch_platform_type plat_type = get_pch_platform_type(); -+ const enum usb2_port_location location = port->location; -+ const uint16_t length = port->length; -+ if (!is_lp) { -+ if (plat_type == PCH_TYPE_DESKTOP) { -+ if (location == USB_PORT_BACK_PANEL) -+ return 4; /* Back Panel */ -+ else -+ return 3; /* Front Panel */ -+ -+ } else if (plat_type == PCH_TYPE_MOBILE) { -+ if (location == USB_PORT_INTERNAL) -+ return 5; /* Internal Topology */ -+ else if (location == USB_PORT_DOCK) -+ return 4; /* Dock */ -+ else if (length < 0x70) -+ return 5; /* Back Panel, less than 7" */ -+ else -+ return 6; /* Back Panel, 7" or more */ -+ } -+ } else { -+ if (location == USB_PORT_BACK_PANEL || location == USB_PORT_MINI_PCIE) { -+ if (length < 0x70) -+ return 5; /* Back Panel, less than 7" */ -+ else -+ return 6; /* Back Panel, 7" or more */ -+ } else if (location == USB_PORT_DOCK) { -+ return 4; /* Dock */ -+ } else { -+ return 5; /* Internal Topology */ -+ } -+ } -+ printk(BIOS_ERR, "%s: Unhandled case\n", __func__); -+ return 0; -+} -+ -+static uint8_t get_ehci_tune_param_2(const struct usb2_port_config *const port) -+{ -+ const bool is_lp = CONFIG(INTEL_LYNXPOINT_LP); -+ -+ const enum pch_platform_type plat_type = get_pch_platform_type(); -+ const enum usb2_port_location location = port->location; -+ const uint16_t length = port->length; -+ if (!is_lp) { -+ if (plat_type == PCH_TYPE_DESKTOP) { -+ if (location == USB_PORT_BACK_PANEL) { -+ if (length < 0x80) -+ return 2; /* Back Panel, less than 8" */ -+ else if (length < 0x130) -+ return 3; /* Back Panel, 8"-13" */ -+ else -+ return 4; /* Back Panel, 13" or more */ -+ } else { -+ return 2; /* Front Panel */ -+ } -+ -+ } else if (plat_type == PCH_TYPE_MOBILE) { -+ if (location == USB_PORT_INTERNAL) { -+ return 2; /* Internal Topology */ -+ } else if (location == USB_PORT_DOCK) { -+ if (length < 0x50) -+ return 1; /* Dock, less than 5" */ -+ else -+ return 2; /* Dock, 5" or more */ -+ } else { -+ if (length < 0x100) -+ return 2; /* Back Panel, less than 10" */ -+ else -+ return 3; /* Back Panel, 10" or more */ -+ } -+ } -+ } else { -+ if (location == USB_PORT_BACK_PANEL || location == USB_PORT_MINI_PCIE) { -+ if (length < 0x100) -+ return 2; /* Back Panel, less than 10" */ -+ else -+ return 3; /* Back Panel, 10" or more */ -+ } else if (location == USB_PORT_DOCK) { -+ if (length < 0x50) -+ return 1; /* Dock, less than 5" */ -+ else -+ return 2; /* Dock, 5" or more */ -+ } else { -+ return 2; /* Internal Topology */ -+ } -+ } -+ printk(BIOS_ERR, "%s: Unhandled case\n", __func__); -+ return 0; -+} -+ -+static void program_ehci_port_length(void) -+{ -+ for (unsigned int port = 0; port < physical_port_count(); port++) { -+ if (!mainboard_usb2_ports[port].enable) -+ continue; -+ const uint32_t addr = 0xe5004000 + (port + 1) * 0x100; -+ const uint8_t param_1 = get_ehci_tune_param_1(&mainboard_usb2_ports[port]); -+ const uint8_t param_2 = get_ehci_tune_param_2(&mainboard_usb2_ports[port]); -+ pch_iobp_update(addr, ~0x7f00, param_2 << 11 | param_1 << 8); -+ } -+} -+ -+void early_usb_init(void) -+{ -+ /** TODO: Make this configurable? How do the modes affect usbdebug? **/ -+ const enum usb_port_route usb_route = ROUTE_TO_XHCI; -+ ///(pd->boot_mode == 2 && pd->usb_xhci_on_resume) ? ROUTE_TO_XHCI : ROUTE_TO_EHCI; -+ -+ common_ehci_hcs_init(); -+ xhci_open_memory_space(); -+ common_xhci_hc_init(); -+ perform_xhci_ehci_switching_flow(usb_route); -+ usb_overcurrent_mapping(); -+ program_ehci_port_length(); -+ /** FIXME: USB per port control is missing, is it needed? **/ -+ xhci_close_memory_space(); -+ /** TODO: Close EHCI memory space? **/ -+} -diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h -index b5e0c2a830..ad983d86cf 100644 ---- a/src/southbridge/intel/lynxpoint/pch.h -+++ b/src/southbridge/intel/lynxpoint/pch.h -@@ -115,6 +115,7 @@ enum pch_platform_type { - - void pch_dmi_setup_physical_layer(void); - void pch_dmi_tc_vc_mapping(u32 vc0, u32 vc1, u32 vcp, u32 vcm); -+void early_usb_init(void); - - void usb_ehci_sleep_prepare(pci_devfn_t dev, u8 slp_typ); - void usb_ehci_disable(pci_devfn_t dev); -@@ -202,6 +203,8 @@ void mainboard_config_rcba(void); - #define GEN_PMCON_1 0xa0 - #define SMI_LOCK (1 << 4) - #define GEN_PMCON_2 0xa2 -+#define GEN_PMCON_2_DISB (1 << 7) -+#define GEN_PMCON_2_MEM_SR (1 << 5) - #define SYSTEM_RESET_STS (1 << 4) - #define THERMTRIP_STS (1 << 3) - #define SYSPWR_FLR (1 << 1) -@@ -215,6 +218,7 @@ void mainboard_config_rcba(void); - #define PMIR 0xac - #define PMIR_CF9LOCK (1 << 31) - #define PMIR_CF9GR (1 << 20) -+#define PMIR_XHCI_SMART_AUTO (1 << 16) /* c.f. LPT BWG or WPT-LP BIOS spec */ - - /* GEN_PMCON_3 bits */ - #define RTC_BATTERY_DEAD (1 << 2) -@@ -282,6 +286,20 @@ void mainboard_config_rcba(void); - #define SATA_DTLE_DATA_SHIFT 24 - #define SATA_DTLE_EDGE_SHIFT 16 - -+/* -+ * HCD_INDEX == 2 selects 0:1a.0 (PCH_EHCI2), any other index -+ * selects 0:1d.0 (PCH_EHCI1) for usbdebug use. -+ */ -+#if CONFIG_USBDEBUG_HCD_INDEX != 2 -+#define PCH_EHCI1_TEMP_BAR0 CONFIG_EHCI_BAR -+#define PCH_EHCI2_TEMP_BAR0 (PCH_EHCI1_TEMP_BAR0 + 0x400) -+#else -+#define PCH_EHCI2_TEMP_BAR0 CONFIG_EHCI_BAR -+#define PCH_EHCI1_TEMP_BAR0 (PCH_EHCI2_TEMP_BAR0 + 0x400) -+#endif -+ -+#define PCH_XHCI_TEMP_BAR0 0xe8100000 -+ - /* EHCI PCI Registers */ - #define EHCI_PWR_CTL_STS 0x54 - #define PWR_CTL_SET_MASK 0x3 -@@ -289,10 +307,15 @@ void mainboard_config_rcba(void); - #define PWR_CTL_SET_D3 0x3 - #define PWR_CTL_ENABLE_PME (1 << 8) - #define PWR_CTL_STATUS_PME (1 << 15) -+#define EHCI_OCMAP 0x74 -+#define EHCI_ACCESS_CNTL 0x80 -+#define ACCESS_CNTL_ENABLE (1 << 0) - - /* EHCI Memory Registers */ -+#define EHCI_HCS_PARAMS 0x04 - #define EHCI_USB_CMD 0x20 - #define EHCI_USB_CMD_RUN (1 << 0) -+#define EHCI_USB_CMD_HCRESET (1 << 1) - #define EHCI_USB_CMD_PSE (1 << 4) - #define EHCI_USB_CMD_ASE (1 << 5) - #define EHCI_PORTSC(port) (0x64 + (port) * 4) -@@ -301,6 +324,10 @@ void mainboard_config_rcba(void); - - /* XHCI PCI Registers */ - #define XHCI_PWR_CTL_STS 0x74 -+#define XHCI_U2OCM1 0xc0 -+#define XHCI_U2OCM2 0xc4 -+#define XHCI_U3OCM1 0xc8 -+#define XHCI_U3OCM2 0xcc - #define XHCI_USB2PR 0xd0 - #define XHCI_USB2PRM 0xd4 - #define XHCI_USB2PR_HCSEL 0x7fff -@@ -313,6 +340,27 @@ void mainboard_config_rcba(void); - #define XHCI_USB3PDO 0xe8 - - /* XHCI Memory Registers */ -+#define XHCI_HCS_PARAMS_1 0x04 -+#define XHCI_HCS_PARAMS_2 0x08 -+#define XHCI_HCS_PARAMS_3 0x0c -+#define XHCI_HCC_PARAMS 0x10 -+#define XHCI_USBCMD 0x80 -+#define XHCI_USB2_PORTSC(port) (0x480 + ((port) * 0x10)) -+#define XHCI_USB2_PORTSC_WPR (1 << 31) /* Warm Port Reset */ -+#define XHCI_USB2_PORTSC_CEC (1 << 23) /* Port Config Error Change */ -+#define XHCI_USB2_PORTSC_PLC (1 << 22) /* Port Link State Change */ -+#define XHCI_USB2_PORTSC_PRC (1 << 21) /* Port Reset Change */ -+#define XHCI_USB2_PORTSC_OCC (1 << 20) /* Over-current Change */ -+#define XHCI_USB2_PORTSC_WRC (1 << 19) /* Warm Port Reset Change */ -+#define XHCI_USB2_PORTSC_PEC (1 << 18) /* Port Enabled Disabled Change */ -+#define XHCI_USB2_PORTSC_CSC (1 << 17) /* Connect Status Change */ -+#define XHCI_USB2_PORTSC_CHST (0x7f << 17) -+#define XHCI_USB2_PORTSC_LWS (1 << 16) /* Port Link State Write Strobe */ -+#define XHCI_USB2_PORTSC_PP (1 << 9) -+#define XHCI_USB2_PORTSC_PR (1 << 4) /* Port Reset */ -+#define XHCI_USB2_PORTSC_PED (1 << 1) /* Port Enable/Disabled */ -+#define XHCI_USB2_PORTSC_CCS (1 << 0) /* Current Connect Status */ -+ - #define XHCI_USB3_PORTSC(port) ((pch_is_lp() ? 0x510 : 0x570) + ((port) * 0x10)) - #define XHCI_USB3_PORTSC_CHST (0x7f << 17) - #define XHCI_USB3_PORTSC_WCE (1 << 25) /* Wake on Connect */ -@@ -320,6 +368,7 @@ void mainboard_config_rcba(void); - #define XHCI_USB3_PORTSC_WOE (1 << 27) /* Wake on Overcurrent */ - #define XHCI_USB3_PORTSC_WRC (1 << 19) /* Warm Reset Complete */ - #define XHCI_USB3_PORTSC_LWS (1 << 16) /* Link Write Strobe */ -+#define XHCI_USB3_PORTSC_PR (1 << 4) /* Port Reset */ - #define XHCI_USB3_PORTSC_PED (1 << 1) /* Port Enabled/Disabled */ - #define XHCI_USB3_PORTSC_WPR (1 << 31) /* Warm Port Reset */ - #define XHCI_USB3_PORTSC_PLS (0xf << 5) /* Port Link State */ --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0006-sb-intel-lynxpoint-Add-native-thermal-init.patch b/resources/coreboot/haswell/patches/0006-sb-intel-lynxpoint-Add-native-thermal-init.patch deleted file mode 100644 index 157d2999..00000000 --- a/resources/coreboot/haswell/patches/0006-sb-intel-lynxpoint-Add-native-thermal-init.patch +++ /dev/null @@ -1,128 +0,0 @@ -From 92be49d8422b4bc1c89bb49535f4dc6a01d47295 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 23:22:11 +0200 -Subject: [PATCH 06/26] sb/intel/lynxpoint: Add native thermal init - -Implement native thermal initialisation for Lynx Point. This is only -needed when MRC.bin is not used. - -Change-Id: I4a67a3092d0c2e56bfdacb513a899ef838193cbd -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/raminit_native.c | 1 + - src/southbridge/intel/lynxpoint/Makefile.inc | 2 +- - src/southbridge/intel/lynxpoint/pch.h | 1 + - src/southbridge/intel/lynxpoint/thermal.c | 64 +++++++++++++++++++ - 4 files changed, 67 insertions(+), 1 deletion(-) - create mode 100644 src/southbridge/intel/lynxpoint/thermal.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index ef61d4ee09..dd1f1ec14e 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -16,6 +16,7 @@ static bool early_init_native(int s3resume) - /** TODO: CPU replacement check must be skipped in warm boots and S3 resumes **/ - const bool cpu_replaced = !s3resume && intel_early_me_cpu_replacement_check(); - -+ early_thermal_init(); - early_usb_init(); - - if (!CONFIG(INTEL_LYNXPOINT_LP)) -diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc -index 0e1f2fe4eb..a9a9b153d6 100644 ---- a/src/southbridge/intel/lynxpoint/Makefile.inc -+++ b/src/southbridge/intel/lynxpoint/Makefile.inc -@@ -37,7 +37,7 @@ bootblock-y += early_pch.c - romstage-y += early_usb.c early_me.c me_status.c early_pch.c - romstage-y += pmutil.c - --romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c early_usb_native.c iobp.c -+romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c early_usb_native.c iobp.c thermal.c - - ifeq ($(CONFIG_INTEL_LYNXPOINT_LP),y) - romstage-y += lp_gpio.c -diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h -index ad983d86cf..38a9349220 100644 ---- a/src/southbridge/intel/lynxpoint/pch.h -+++ b/src/southbridge/intel/lynxpoint/pch.h -@@ -116,6 +116,7 @@ enum pch_platform_type { - void pch_dmi_setup_physical_layer(void); - void pch_dmi_tc_vc_mapping(u32 vc0, u32 vc1, u32 vcp, u32 vcm); - void early_usb_init(void); -+void early_thermal_init(void); - - void usb_ehci_sleep_prepare(pci_devfn_t dev, u8 slp_typ); - void usb_ehci_disable(pci_devfn_t dev); -diff --git a/src/southbridge/intel/lynxpoint/thermal.c b/src/southbridge/intel/lynxpoint/thermal.c -new file mode 100644 -index 0000000000..e71969ea0c ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/thermal.c -@@ -0,0 +1,64 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <device/mmio.h> -+#include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/pch.h> -+#include <types.h> -+ -+#define TBARB_TEMP 0x40000000 -+ -+#define THERMAL_DEV PCI_DEV(0, 0x1f, 6) -+ -+/* Early thermal init, it may need to be done prior to giving ME its memory */ -+void early_thermal_init(void) -+{ -+ /* Program address for temporary BAR */ -+ pci_write_config32(THERMAL_DEV, 0x40, TBARB_TEMP); -+ pci_write_config32(THERMAL_DEV, 0x44, 0); -+ -+ /* Activate temporary BAR */ -+ pci_or_config32(THERMAL_DEV, 0x40, 1); -+ -+ /* -+ * BWG section 17.3.1 says: -+ * -+ * ### Initializing Lynx Point Thermal Sensors ### -+ * -+ * The System BIOS must perform the following steps to initialize the Lynx -+ * Point thermal subsystem device, D31:F6. The System BIOS is required to -+ * repeat this process on a resume from Sx. BIOS may enable any or all of -+ * the registers below based on OEM's platform configuration. Intel does -+ * not recommend a value on some of the registers, since each platform has -+ * different temperature trip points and one may enable a trip to cause an -+ * SMI while another platform would cause an interrupt instead. -+ * -+ * The recommended flow for enabling thermal sensor is by setting up various -+ * temperature trip points first, followed by enabling the desired trip -+ * alert method and then enable the actual sensors from TSEL registers. -+ * If this flow is not followed, software will need to take special care -+ * to handle false events during setting up those registers. -+ */ -+ -+ /* Step 1: Program CTT */ -+ write16p(TBARB_TEMP + 0x10, 0x0154); -+ -+ /* Step 2: Clear trip status from TSS and TAS */ -+ write8p(TBARB_TEMP + 0x06, 0xff); -+ write8p(TBARB_TEMP + 0x80, 0xff); -+ -+ /* Step 3: Program TSGPEN and TSPIEN to zero */ -+ write8p(TBARB_TEMP + 0x84, 0x00); -+ write8p(TBARB_TEMP + 0x82, 0x00); -+ -+ /* -+ * Step 4: If thermal reporting to an EC over SMBus is supported, -+ * then write 0x01 to TSREL, else leave at default. -+ */ -+ write8p(TBARB_TEMP + 0x0a, 0x01); -+ -+ /* Disable temporary BAR */ -+ pci_and_config32(THERMAL_DEV, 0x40, ~1); -+ -+ /* Clear temporary BAR address */ -+ pci_write_config32(THERMAL_DEV, 0x40, 0); -+} --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0007-sb-intel-lynxpoint-Add-native-PCH-init.patch b/resources/coreboot/haswell/patches/0007-sb-intel-lynxpoint-Add-native-PCH-init.patch deleted file mode 100644 index 74427f5d..00000000 --- a/resources/coreboot/haswell/patches/0007-sb-intel-lynxpoint-Add-native-PCH-init.patch +++ /dev/null @@ -1,785 +0,0 @@ -From 7378cb4fefc87b9a096bb14820a44f26f3a628f5 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Fri, 6 May 2022 23:43:46 +0200 -Subject: [PATCH 07/26] sb/intel/lynxpoint: Add native PCH init - -Implement native PCH initialisation for Lynx Point. This is only needed -when MRC.bin is not used. - -Change-Id: I36867bdc8b20000e44ff9d0d7b2c0d63952bd561 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/raminit_native.c | 3 +- - src/southbridge/intel/lynxpoint/Makefile.inc | 1 + - .../intel/lynxpoint/early_pch_native.c | 123 +++++++++ - .../intel/lynxpoint/hsio/Makefile.inc | 8 + - src/southbridge/intel/lynxpoint/hsio/common.c | 52 ++++ - src/southbridge/intel/lynxpoint/hsio/hsio.h | 46 ++++ - .../intel/lynxpoint/hsio/lpt_h_cx.c | 244 ++++++++++++++++++ - .../intel/lynxpoint/hsio/lpt_lp_bx.c | 180 +++++++++++++ - src/southbridge/intel/lynxpoint/pch.h | 6 + - 9 files changed, 661 insertions(+), 2 deletions(-) - create mode 100644 src/southbridge/intel/lynxpoint/hsio/Makefile.inc - create mode 100644 src/southbridge/intel/lynxpoint/hsio/common.c - create mode 100644 src/southbridge/intel/lynxpoint/hsio/hsio.h - create mode 100644 src/southbridge/intel/lynxpoint/hsio/lpt_h_cx.c - create mode 100644 src/southbridge/intel/lynxpoint/hsio/lpt_lp_bx.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index dd1f1ec14e..b6efb6b40d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -16,8 +16,7 @@ static bool early_init_native(int s3resume) - /** TODO: CPU replacement check must be skipped in warm boots and S3 resumes **/ - const bool cpu_replaced = !s3resume && intel_early_me_cpu_replacement_check(); - -- early_thermal_init(); -- early_usb_init(); -+ early_pch_init_native(s3resume); - - if (!CONFIG(INTEL_LYNXPOINT_LP)) - dmi_early_init(); -diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc -index a9a9b153d6..63243ecc86 100644 ---- a/src/southbridge/intel/lynxpoint/Makefile.inc -+++ b/src/southbridge/intel/lynxpoint/Makefile.inc -@@ -38,6 +38,7 @@ romstage-y += early_usb.c early_me.c me_status.c early_pch.c - romstage-y += pmutil.c - - romstage-$(CONFIG_USE_NATIVE_RAMINIT) += early_pch_native.c early_usb_native.c iobp.c thermal.c -+subdirs-$(CONFIG_USE_NATIVE_RAMINIT) += hsio - - ifeq ($(CONFIG_INTEL_LYNXPOINT_LP),y) - romstage-y += lp_gpio.c -diff --git a/src/southbridge/intel/lynxpoint/early_pch_native.c b/src/southbridge/intel/lynxpoint/early_pch_native.c -index c28ddfcf5d..421821fa5d 100644 ---- a/src/southbridge/intel/lynxpoint/early_pch_native.c -+++ b/src/southbridge/intel/lynxpoint/early_pch_native.c -@@ -1,10 +1,133 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - - #include <console/console.h> -+#include <device/pci_def.h> - #include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/hsio/hsio.h> - #include <southbridge/intel/lynxpoint/pch.h> - #include <types.h> - -+static void early_sata_init(const uint8_t pch_revision) -+{ -+ const bool is_mobile = get_pch_platform_type() != PCH_TYPE_DESKTOP; -+ -+ const uint8_t lane_owner = pci_read_config8(PCI_DEV(0, 0x1c, 0), 0x410); -+ printk(BIOS_DEBUG, "HSIO lane owner: 0x%02x\n", lane_owner); -+ -+ /* BWG Step 2 */ -+ pci_update_config32(PCH_SATA_DEV, SATA_SCLKG, ~0x1ff, 0x183); -+ -+ /* BWG Step 3: Set OOB Retry Mode */ -+ pci_or_config16(PCH_SATA_DEV, SATA_PCS, 1 << 15); -+ -+ /* BWG Step 4: Program the SATA mPHY tables */ -+ if (pch_is_lp()) { -+ if (pch_revision >= LPT_LP_STEP_B0 && pch_revision <= LPT_LP_STEP_B2) { -+ program_hsio_sata_lpt_lp_bx(is_mobile); -+ } else { -+ printk(BIOS_ERR, "Unsupported PCH-LP stepping 0x%02x\n", pch_revision); -+ } -+ } else { -+ if (pch_revision >= LPT_H_STEP_C0) { -+ program_hsio_sata_lpt_h_cx(is_mobile); -+ } else { -+ printk(BIOS_ERR, "Unsupported PCH-H stepping 0x%02x\n", pch_revision); -+ } -+ } -+ -+ /** FIXME: Program SATA RxEq tables **/ -+ -+ /* BWG Step 5 */ -+ /** FIXME: Only for desktop and mobile (skip this on workstation and server) **/ -+ pci_or_config32(PCH_SATA_DEV, 0x98, BIT(22)); -+ -+ /* BWG Step 6 */ -+ pci_or_config32(PCH_SATA_DEV, 0x98, BIT(19)); -+ -+ /* BWG Step 7 */ -+ pci_update_config32(PCH_SATA_DEV, 0x98, ~(0x3f << 7), 0x04 << 7); -+ -+ /* BWG Step 8 */ -+ pci_or_config32(PCH_SATA_DEV, 0x98, BIT(20)); -+ -+ /* BWG Step 9 */ -+ pci_update_config32(PCH_SATA_DEV, 0x98, ~(3 << 5), 1 << 5); -+ -+ /* BWG Step 10 */ -+ pci_or_config32(PCH_SATA_DEV, 0x98, BIT(18)); -+ -+ /* Enable SATA ports */ -+ uint8_t sata_pcs = 0; -+ if (CONFIG(INTEL_LYNXPOINT_LP)) { -+ for (uint8_t i = 0; i < 4; i++) { -+ if ((lane_owner & BIT(7 - i)) == 0) { -+ sata_pcs |= BIT(i); -+ } -+ } -+ } else { -+ sata_pcs |= 0x0f; -+ for (uint8_t i = 4; i < 6; i++) { -+ if ((lane_owner & BIT(i)) == 0) { -+ sata_pcs |= BIT(i); -+ } -+ } -+ } -+ printk(BIOS_DEBUG, "SATA port enables: 0x%02x\n", sata_pcs); -+ pci_or_config8(PCH_SATA_DEV, SATA_PCS, sata_pcs); -+} -+ -+void early_pch_init_native(int s3resume) -+{ -+ const uint8_t pch_revision = pci_read_config8(PCH_LPC_DEV, PCI_REVISION_ID); -+ -+ RCBA16(DISPBDF) = 0x0010; -+ RCBA32_OR(FD2, PCH_ENABLE_DBDF); -+ -+ /** FIXME: Check GEN_PMCON_3 and handle RTC failure? **/ -+ -+ RCBA32(PRSTS) = BIT(4); -+ -+ early_sata_init(pch_revision); -+ -+ pci_or_config8(PCH_LPC_DEV, 0xa6, 1 << 1); -+ pci_and_config8(PCH_LPC_DEV, 0xdc, ~(1 << 5 | 1 << 1)); -+ -+ /** TODO: Send GET HSIO VER and update ChipsetInit table? Is it needed? **/ -+ -+ /** FIXME: GbE handling? **/ -+ -+ pci_update_config32(PCH_LPC_DEV, 0xac, ~(1 << 20), 0); -+ -+ for (uint8_t i = 0; i < 8; i++) -+ pci_update_config32(PCI_DEV(0, 0x1c, i), 0x338, ~(1 << 26), 0); -+ -+ pci_update_config8(PCI_DEV(0, 0x1c, 0), 0xf4, ~(3 << 5), 1 << 7); -+ -+ pci_update_config8(PCI_DEV(0, 26, 0), 0x88, ~(1 << 2), 0); -+ pci_update_config8(PCI_DEV(0, 29, 0), 0x88, ~(1 << 2), 0); -+ -+ /** FIXME: Disable SATA2 device? **/ -+ -+ if (pch_is_lp()) { -+ if (pch_revision >= LPT_LP_STEP_B0 && pch_revision <= LPT_LP_STEP_B2) { -+ program_hsio_xhci_lpt_lp_bx(); -+ program_hsio_igbe_lpt_lp_bx(); -+ } else { -+ printk(BIOS_ERR, "Unsupported PCH-LP stepping 0x%02x\n", pch_revision); -+ } -+ } else { -+ if (pch_revision >= LPT_H_STEP_C0) { -+ program_hsio_xhci_lpt_h_cx(); -+ program_hsio_igbe_lpt_h_cx(); -+ } else { -+ printk(BIOS_ERR, "Unsupported PCH-H stepping 0x%02x\n", pch_revision); -+ } -+ } -+ -+ early_thermal_init(); -+ early_usb_init(); -+} -+ - void pch_dmi_setup_physical_layer(void) - { - /* FIXME: We need to make sure the SA supports Gen2 as well */ -diff --git a/src/southbridge/intel/lynxpoint/hsio/Makefile.inc b/src/southbridge/intel/lynxpoint/hsio/Makefile.inc -new file mode 100644 -index 0000000000..6b74997511 ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/hsio/Makefile.inc -@@ -0,0 +1,8 @@ -+## SPDX-License-Identifier: GPL-2.0-or-later -+ -+romstage-y += common.c -+ifeq ($(CONFIG_INTEL_LYNXPOINT_LP),y) -+romstage-y += lpt_lp_bx.c -+else -+romstage-y += lpt_h_cx.c -+endif -diff --git a/src/southbridge/intel/lynxpoint/hsio/common.c b/src/southbridge/intel/lynxpoint/hsio/common.c -new file mode 100644 -index 0000000000..9935ca347a ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/hsio/common.c -@@ -0,0 +1,52 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/hsio/hsio.h> -+#include <types.h> -+ -+/* -+ * FIXME: Ask Intel whether all lanes need to be programmed as specified -+ * in the PCH BWG. If not, make separate tables and only check this once. -+ */ -+void hsio_sata_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or) -+{ -+ const uint8_t lane_owner = pci_read_config8(PCI_DEV(0, 0x1c, 0), 0x410); -+ -+ if ((addr & 0xfe00) == 0x2000 && (lane_owner & (1 << 4))) -+ return; -+ -+ if ((addr & 0xfe00) == 0x2200 && (lane_owner & (1 << 5))) -+ return; -+ -+ if (CONFIG(INTEL_LYNXPOINT_LP)) { -+ if ((addr & 0xfe00) == 0x2400 && (lane_owner & (1 << 6))) -+ return; -+ -+ if ((addr & 0xfe00) == 0x2600 && (lane_owner & (1 << 7))) -+ return; -+ } -+ hsio_update(addr, and, or); -+} -+ -+/* -+ * FIXME: Ask Intel whether all lanes need to be programmed as specified -+ * in the PCH BWG. If not, make separate tables and only check this once. -+ */ -+void hsio_xhci_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or) -+{ -+ const uint8_t lane_owner = pci_read_config8(PCI_DEV(0, 0x1c, 0), 0x410); -+ if (CONFIG(INTEL_LYNXPOINT_LP)) { -+ if ((addr & 0xfe00) == 0x2400 && ((lane_owner >> 0) & 3) != 2) -+ return; -+ -+ if ((addr & 0xfe00) == 0x2600 && ((lane_owner >> 2) & 3) != 2) -+ return; -+ } else { -+ if ((addr & 0xfe00) == 0x2c00 && ((lane_owner >> 2) & 3) != 2) -+ return; -+ -+ if ((addr & 0xfe00) == 0x2e00 && ((lane_owner >> 0) & 3) != 2) -+ return; -+ } -+ hsio_update(addr, and, or); -+} -diff --git a/src/southbridge/intel/lynxpoint/hsio/hsio.h b/src/southbridge/intel/lynxpoint/hsio/hsio.h -new file mode 100644 -index 0000000000..689ef4a05b ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/hsio/hsio.h -@@ -0,0 +1,46 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#ifndef SOUTHBRIDGE_INTEL_LYNXPOINT_HSIO_H -+#define SOUTHBRIDGE_INTEL_LYNXPOINT_HSIO_H -+ -+#include <southbridge/intel/lynxpoint/iobp.h> -+#include <types.h> -+ -+struct hsio_table_row { -+ uint32_t addr; -+ uint32_t and; -+ uint32_t or; -+}; -+ -+static inline void hsio_update(const uint32_t addr, const uint32_t and, const uint32_t or) -+{ -+ pch_iobp_update(addr, and, or); -+} -+ -+static inline void hsio_update_row(const struct hsio_table_row row) -+{ -+ hsio_update(row.addr, row.and, row.or); -+} -+ -+void hsio_xhci_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or); -+void hsio_sata_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or); -+ -+static inline void hsio_sata_shared_update_row(const struct hsio_table_row row) -+{ -+ hsio_sata_shared_update(row.addr, row.and, row.or); -+} -+ -+static inline void hsio_xhci_shared_update_row(const struct hsio_table_row row) -+{ -+ hsio_xhci_shared_update(row.addr, row.and, row.or); -+} -+ -+void program_hsio_sata_lpt_h_cx(const bool is_mobile); -+void program_hsio_xhci_lpt_h_cx(void); -+void program_hsio_igbe_lpt_h_cx(void); -+ -+void program_hsio_sata_lpt_lp_bx(const bool is_mobile); -+void program_hsio_xhci_lpt_lp_bx(void); -+void program_hsio_igbe_lpt_lp_bx(void); -+ -+#endif -diff --git a/src/southbridge/intel/lynxpoint/hsio/lpt_h_cx.c b/src/southbridge/intel/lynxpoint/hsio/lpt_h_cx.c -new file mode 100644 -index 0000000000..b5dd402742 ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/hsio/lpt_h_cx.c -@@ -0,0 +1,244 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/hsio/hsio.h> -+#include <types.h> -+ -+const struct hsio_table_row hsio_sata_shared_lpt_h_cx[] = { -+ { 0xea002008, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002208, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002038, ~0x3f00000f, 0x0700000d }, -+ { 0xea002238, ~0x3f00000f, 0x0700000d }, -+ { 0xea00202c, ~0x00020f00, 0x00020100 }, -+ { 0xea00222c, ~0x00020f00, 0x00020100 }, -+ { 0xea002040, ~0x1f000000, 0x01000000 }, -+ { 0xea002240, ~0x1f000000, 0x01000000 }, -+ { 0xea002010, ~0xffff0000, 0x0d510000 }, -+ { 0xea002210, ~0xffff0000, 0x0d510000 }, -+ { 0xea002018, ~0xffff0300, 0x38250100 }, -+ { 0xea002218, ~0xffff0300, 0x38250100 }, -+ { 0xea002000, ~0xcf030000, 0xcf030000 }, -+ { 0xea002200, ~0xcf030000, 0xcf030000 }, -+ { 0xea002028, ~0xff1f0000, 0x580e0000 }, -+ { 0xea002228, ~0xff1f0000, 0x580e0000 }, -+ { 0xea00201c, ~0x00007c00, 0x00002400 }, -+ { 0xea00221c, ~0x00007c00, 0x00002400 }, -+ { 0xea00208c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00228c, ~0x00ff0000, 0x00800000 }, -+ { 0xea0020a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0022a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0020ac, ~0x00000030, 0x00000020 }, -+ { 0xea0022ac, ~0x00000030, 0x00000020 }, -+ { 0xea002140, ~0x00ffffff, 0x00140718 }, -+ { 0xea002340, ~0x00ffffff, 0x00140718 }, -+ { 0xea002144, ~0x00ffffff, 0x00140998 }, -+ { 0xea002344, ~0x00ffffff, 0x00140998 }, -+ { 0xea002148, ~0x00ffffff, 0x00140998 }, -+ { 0xea002348, ~0x00ffffff, 0x00140998 }, -+ { 0xea00217c, ~0x03000000, 0x03000000 }, -+ { 0xea00237c, ~0x03000000, 0x03000000 }, -+ { 0xea002178, ~0x00001f00, 0x00001800 }, -+ { 0xea002378, ~0x00001f00, 0x00001800 }, -+ { 0xea00210c, ~0x0038000f, 0x00000005 }, -+ { 0xea00230c, ~0x0038000f, 0x00000005 }, -+}; -+ -+const struct hsio_table_row hsio_sata_lpt_h_cx[] = { -+ { 0xea008008, ~0xff000000, 0x1c000000 }, -+ { 0xea002408, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002608, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea000808, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea000a08, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002438, ~0x3f00000f, 0x0700000d }, -+ { 0xea002638, ~0x3f00000f, 0x0700000d }, -+ { 0xea000838, ~0x3f00000f, 0x0700000d }, -+ { 0xea000a38, ~0x3f00000f, 0x0700000d }, -+ { 0xea002440, ~0x1f000000, 0x01000000 }, -+ { 0xea002640, ~0x1f000000, 0x01000000 }, -+ { 0xea000840, ~0x1f000000, 0x01000000 }, -+ { 0xea000a40, ~0x1f000000, 0x01000000 }, -+ { 0xea002410, ~0xffff0000, 0x0d510000 }, -+ { 0xea002610, ~0xffff0000, 0x0d510000 }, -+ { 0xea000810, ~0xffff0000, 0x0d510000 }, -+ { 0xea000a10, ~0xffff0000, 0x0d510000 }, -+ { 0xea00242c, ~0x00020800, 0x00020000 }, -+ { 0xea00262c, ~0x00020800, 0x00020000 }, -+ { 0xea00082c, ~0x00020800, 0x00020000 }, -+ { 0xea000a2c, ~0x00020800, 0x00020000 }, -+ { 0xea002418, ~0xffff0300, 0x38250100 }, -+ { 0xea002618, ~0xffff0300, 0x38250100 }, -+ { 0xea000818, ~0xffff0300, 0x38250100 }, -+ { 0xea000a18, ~0xffff0300, 0x38250100 }, -+ { 0xea002400, ~0xcf030000, 0xcf030000 }, -+ { 0xea002600, ~0xcf030000, 0xcf030000 }, -+ { 0xea000800, ~0xcf030000, 0xcf030000 }, -+ { 0xea000a00, ~0xcf030000, 0xcf030000 }, -+ { 0xea002428, ~0xff1f0000, 0x580e0000 }, -+ { 0xea002628, ~0xff1f0000, 0x580e0000 }, -+ { 0xea000828, ~0xff1f0000, 0x580e0000 }, -+ { 0xea000a28, ~0xff1f0000, 0x580e0000 }, -+ { 0xea00241c, ~0x00007c00, 0x00002400 }, -+ { 0xea00261c, ~0x00007c00, 0x00002400 }, -+ { 0xea00081c, ~0x00007c00, 0x00002400 }, -+ { 0xea000a1c, ~0x00007c00, 0x00002400 }, -+ { 0xea00248c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00268c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00088c, ~0x00ff0000, 0x00800000 }, -+ { 0xea000a8c, ~0x00ff0000, 0x00800000 }, -+ { 0xea0024a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0026a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0008a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea000aa4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0024ac, ~0x00000030, 0x00000020 }, -+ { 0xea0026ac, ~0x00000030, 0x00000020 }, -+ { 0xea0008ac, ~0x00000030, 0x00000020 }, -+ { 0xea000aac, ~0x00000030, 0x00000020 }, -+ { 0xea002540, ~0x00ffffff, 0x00140718 }, -+ { 0xea002740, ~0x00ffffff, 0x00140718 }, -+ { 0xea000940, ~0x00ffffff, 0x00140718 }, -+ { 0xea000b40, ~0x00ffffff, 0x00140718 }, -+ { 0xea002544, ~0x00ffffff, 0x00140998 }, -+ { 0xea002744, ~0x00ffffff, 0x00140998 }, -+ { 0xea000944, ~0x00ffffff, 0x00140998 }, -+ { 0xea000b44, ~0x00ffffff, 0x00140998 }, -+ { 0xea002548, ~0x00ffffff, 0x00140998 }, -+ { 0xea002748, ~0x00ffffff, 0x00140998 }, -+ { 0xea000948, ~0x00ffffff, 0x00140998 }, -+ { 0xea000b48, ~0x00ffffff, 0x00140998 }, -+ { 0xea00257c, ~0x03000000, 0x03000000 }, -+ { 0xea00277c, ~0x03000000, 0x03000000 }, -+ { 0xea00097c, ~0x03000000, 0x03000000 }, -+ { 0xea000b7c, ~0x03000000, 0x03000000 }, -+ { 0xea002578, ~0x00001f00, 0x00001800 }, -+ { 0xea002778, ~0x00001f00, 0x00001800 }, -+ { 0xea000978, ~0x00001f00, 0x00001800 }, -+ { 0xea000b78, ~0x00001f00, 0x00001800 }, -+ { 0xea00250c, ~0x0038000f, 0x00000005 }, -+ { 0xea00270c, ~0x0038000f, 0x00000005 }, -+ { 0xea00090c, ~0x0038000f, 0x00000005 }, -+ { 0xea000b0c, ~0x0038000f, 0x00000005 }, -+}; -+ -+const struct hsio_table_row hsio_xhci_shared_lpt_h_cx[] = { -+ { 0xe9002c2c, ~0x00000700, 0x00000100 }, -+ { 0xe9002e2c, ~0x00000700, 0x00000100 }, -+ { 0xe9002dcc, ~0x00001407, 0x00001407 }, -+ { 0xe9002fcc, ~0x00001407, 0x00001407 }, -+ { 0xe9002d68, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9002f68, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9002d6c, ~0x000000ff, 0x0000003f }, -+ { 0xe9002f6c, ~0x000000ff, 0x0000003f }, -+ { 0xe9002d4c, ~0x00ffff00, 0x00120500 }, -+ { 0xe9002f4c, ~0x00ffff00, 0x00120500 }, -+ { 0xe9002d14, ~0x38000700, 0x00000100 }, -+ { 0xe9002f14, ~0x38000700, 0x00000100 }, -+ { 0xe9002d64, ~0x0000f000, 0x00005000 }, -+ { 0xe9002f64, ~0x0000f000, 0x00005000 }, -+ { 0xe9002d70, ~0x00000018, 0x00000000 }, -+ { 0xe9002f70, ~0x00000018, 0x00000000 }, -+ { 0xe9002c38, ~0x3f00000f, 0x0700000b }, -+ { 0xe9002e38, ~0x3f00000f, 0x0700000b }, -+ { 0xe9002d40, ~0x00800000, 0x00000000 }, -+ { 0xe9002f40, ~0x00800000, 0x00000000 }, -+}; -+ -+const struct hsio_table_row hsio_xhci_lpt_h_cx[] = { -+ { 0xe90031cc, ~0x00001407, 0x00001407 }, -+ { 0xe90033cc, ~0x00001407, 0x00001407 }, -+ { 0xe90015cc, ~0x00001407, 0x00001407 }, -+ { 0xe90017cc, ~0x00001407, 0x00001407 }, -+ { 0xe9003168, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9003368, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9001568, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9001768, ~0x01000f3c, 0x00000a28 }, -+ { 0xe900316c, ~0x000000ff, 0x0000003f }, -+ { 0xe900336c, ~0x000000ff, 0x0000003f }, -+ { 0xe900156c, ~0x000000ff, 0x0000003f }, -+ { 0xe900176c, ~0x000000ff, 0x0000003f }, -+ { 0xe900314c, ~0x00ffff00, 0x00120500 }, -+ { 0xe900334c, ~0x00ffff00, 0x00120500 }, -+ { 0xe900154c, ~0x00ffff00, 0x00120500 }, -+ { 0xe900174c, ~0x00ffff00, 0x00120500 }, -+ { 0xe9003114, ~0x38000700, 0x00000100 }, -+ { 0xe9003314, ~0x38000700, 0x00000100 }, -+ { 0xe9001514, ~0x38000700, 0x00000100 }, -+ { 0xe9001714, ~0x38000700, 0x00000100 }, -+ { 0xe9003164, ~0x0000f000, 0x00005000 }, -+ { 0xe9003364, ~0x0000f000, 0x00005000 }, -+ { 0xe9001564, ~0x0000f000, 0x00005000 }, -+ { 0xe9001764, ~0x0000f000, 0x00005000 }, -+ { 0xe9003170, ~0x00000018, 0x00000000 }, -+ { 0xe9003370, ~0x00000018, 0x00000000 }, -+ { 0xe9001570, ~0x00000018, 0x00000000 }, -+ { 0xe9001770, ~0x00000018, 0x00000000 }, -+ { 0xe9003038, ~0x3f00000f, 0x0700000b }, -+ { 0xe9003238, ~0x3f00000f, 0x0700000b }, -+ { 0xe9001438, ~0x3f00000f, 0x0700000b }, -+ { 0xe9001638, ~0x3f00000f, 0x0700000b }, -+ { 0xe9003140, ~0x00800000, 0x00000000 }, -+ { 0xe9003340, ~0x00800000, 0x00000000 }, -+ { 0xe9001540, ~0x00800000, 0x00000000 }, -+ { 0xe9001740, ~0x00800000, 0x00000000 }, -+}; -+ -+void program_hsio_sata_lpt_h_cx(const bool is_mobile) -+{ -+ const struct hsio_table_row *pch_hsio_table; -+ size_t len; -+ -+ pch_hsio_table = hsio_sata_lpt_h_cx; -+ len = ARRAY_SIZE(hsio_sata_lpt_h_cx); -+ for (size_t i = 0; i < len; i++) -+ hsio_update_row(pch_hsio_table[i]); -+ -+ pch_hsio_table = hsio_sata_shared_lpt_h_cx; -+ len = ARRAY_SIZE(hsio_sata_shared_lpt_h_cx); -+ for (size_t i = 0; i < len; i++) -+ hsio_sata_shared_update_row(pch_hsio_table[i]); -+ -+ const uint32_t hsio_sata_value = is_mobile ? 0x00004c5a : 0x00003e67; -+ -+ hsio_update(0xea002490, ~0x0000ffff, hsio_sata_value); -+ hsio_update(0xea002690, ~0x0000ffff, hsio_sata_value); -+ hsio_update(0xea000890, ~0x0000ffff, hsio_sata_value); -+ hsio_update(0xea000a90, ~0x0000ffff, hsio_sata_value); -+ -+ hsio_sata_shared_update(0xea002090, ~0x0000ffff, hsio_sata_value); -+ hsio_sata_shared_update(0xea002290, ~0x0000ffff, hsio_sata_value); -+} -+ -+void program_hsio_xhci_lpt_h_cx(void) -+{ -+ const struct hsio_table_row *pch_hsio_table; -+ size_t len; -+ -+ pch_hsio_table = hsio_xhci_lpt_h_cx; -+ len = ARRAY_SIZE(hsio_xhci_lpt_h_cx); -+ -+ for (size_t i = 0; i < len; i++) -+ hsio_update_row(pch_hsio_table[i]); -+ -+ pch_hsio_table = hsio_xhci_shared_lpt_h_cx; -+ len = ARRAY_SIZE(hsio_xhci_shared_lpt_h_cx); -+ -+ for (size_t i = 0; i < len; i++) -+ hsio_xhci_shared_update_row(pch_hsio_table[i]); -+} -+ -+void program_hsio_igbe_lpt_h_cx(void) -+{ -+ const uint32_t strpfusecfg1 = pci_read_config32(PCI_DEV(0, 0x1c, 0), 0xfc); -+ if (!(strpfusecfg1 & (1 << 19))) -+ return; -+ -+ const uint8_t gbe_port = (strpfusecfg1 >> 16) & 0x7; -+ const uint8_t lane_owner = pci_read_config8(PCI_DEV(0, 0x1c, 0), 0x410); -+ if (gbe_port == 0 && ((lane_owner >> 0) & 3) != 1) -+ return; -+ -+ if (gbe_port == 1 && ((lane_owner >> 2) & 3) != 1) -+ return; -+ -+ const uint32_t gbe_hsio_base = 0xe900 << 16 | (0x2e - 2 * gbe_port) << 8; -+ hsio_update(gbe_hsio_base + 0x08, ~0xf0000100, 0xe0000100); -+} -diff --git a/src/southbridge/intel/lynxpoint/hsio/lpt_lp_bx.c b/src/southbridge/intel/lynxpoint/hsio/lpt_lp_bx.c -new file mode 100644 -index 0000000000..24679e791a ---- /dev/null -+++ b/src/southbridge/intel/lynxpoint/hsio/lpt_lp_bx.c -@@ -0,0 +1,180 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <device/pci_ops.h> -+#include <southbridge/intel/lynxpoint/iobp.h> -+#include <southbridge/intel/lynxpoint/hsio/hsio.h> -+#include <types.h> -+ -+const struct hsio_table_row hsio_sata_shared_lpt_lp_bx[] = { -+ { 0xea008008, ~0xff000000, 0x1c000000 }, -+ { 0xea002008, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002208, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002408, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002608, ~0xfffc6108, 0xea6c6108 }, -+ { 0xea002038, ~0x0000000f, 0x0000000d }, -+ { 0xea002238, ~0x0000000f, 0x0000000d }, -+ { 0xea002438, ~0x0000000f, 0x0000000d }, -+ { 0xea002638, ~0x0000000f, 0x0000000d }, -+ { 0xea00202c, ~0x00020f00, 0x00020100 }, -+ { 0xea00222c, ~0x00020f00, 0x00020100 }, -+ { 0xea00242c, ~0x00020f00, 0x00020100 }, -+ { 0xea00262c, ~0x00020f00, 0x00020100 }, -+ { 0xea002040, ~0x1f000000, 0x01000000 }, -+ { 0xea002240, ~0x1f000000, 0x01000000 }, -+ { 0xea002440, ~0x1f000000, 0x01000000 }, -+ { 0xea002640, ~0x1f000000, 0x01000000 }, -+ { 0xea002010, ~0xffff0000, 0x55510000 }, -+ { 0xea002210, ~0xffff0000, 0x55510000 }, -+ { 0xea002410, ~0xffff0000, 0x55510000 }, -+ { 0xea002610, ~0xffff0000, 0x55510000 }, -+ { 0xea002140, ~0x00ffffff, 0x00140718 }, -+ { 0xea002340, ~0x00ffffff, 0x00140718 }, -+ { 0xea002540, ~0x00ffffff, 0x00140718 }, -+ { 0xea002740, ~0x00ffffff, 0x00140718 }, -+ { 0xea002144, ~0x00ffffff, 0x00140998 }, -+ { 0xea002344, ~0x00ffffff, 0x00140998 }, -+ { 0xea002544, ~0x00ffffff, 0x00140998 }, -+ { 0xea002744, ~0x00ffffff, 0x00140998 }, -+ { 0xea002148, ~0x00ffffff, 0x00140998 }, -+ { 0xea002348, ~0x00ffffff, 0x00140998 }, -+ { 0xea002548, ~0x00ffffff, 0x00140998 }, -+ { 0xea002748, ~0x00ffffff, 0x00140998 }, -+ { 0xea00217c, ~0x03000000, 0x03000000 }, -+ { 0xea00237c, ~0x03000000, 0x03000000 }, -+ { 0xea00257c, ~0x03000000, 0x03000000 }, -+ { 0xea00277c, ~0x03000000, 0x03000000 }, -+ { 0xea00208c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00228c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00248c, ~0x00ff0000, 0x00800000 }, -+ { 0xea00268c, ~0x00ff0000, 0x00800000 }, -+ { 0xea0020a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0022a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0024a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0026a4, ~0x0030ff00, 0x00308300 }, -+ { 0xea0020ac, ~0x00000030, 0x00000020 }, -+ { 0xea0022ac, ~0x00000030, 0x00000020 }, -+ { 0xea0024ac, ~0x00000030, 0x00000020 }, -+ { 0xea0026ac, ~0x00000030, 0x00000020 }, -+ { 0xea002018, ~0xffff0300, 0x38250100 }, -+ { 0xea002218, ~0xffff0300, 0x38250100 }, -+ { 0xea002418, ~0xffff0300, 0x38250100 }, -+ { 0xea002618, ~0xffff0300, 0x38250100 }, -+ { 0xea002000, ~0xcf030000, 0xcf030000 }, -+ { 0xea002200, ~0xcf030000, 0xcf030000 }, -+ { 0xea002400, ~0xcf030000, 0xcf030000 }, -+ { 0xea002600, ~0xcf030000, 0xcf030000 }, -+ { 0xea002028, ~0xff1f0000, 0x580e0000 }, -+ { 0xea002228, ~0xff1f0000, 0x580e0000 }, -+ { 0xea002428, ~0xff1f0000, 0x580e0000 }, -+ { 0xea002628, ~0xff1f0000, 0x580e0000 }, -+ { 0xea00201c, ~0x00007c00, 0x00002400 }, -+ { 0xea00221c, ~0x00007c00, 0x00002400 }, -+ { 0xea00241c, ~0x00007c00, 0x00002400 }, -+ { 0xea00261c, ~0x00007c00, 0x00002400 }, -+ { 0xea002178, ~0x00001f00, 0x00001800 }, -+ { 0xea002378, ~0x00001f00, 0x00001800 }, -+ { 0xea002578, ~0x00001f00, 0x00001800 }, -+ { 0xea002778, ~0x00001f00, 0x00001800 }, -+ { 0xea00210c, ~0x0038000f, 0x00000005 }, -+ { 0xea00230c, ~0x0038000f, 0x00000005 }, -+ { 0xea00250c, ~0x0038000f, 0x00000005 }, -+ { 0xea00270c, ~0x0038000f, 0x00000005 }, -+}; -+ -+const struct hsio_table_row hsio_xhci_shared_lpt_lp_bx[] = { -+ { 0xe90025cc, ~0x00001407, 0x00001407 }, -+ { 0xe90027cc, ~0x00001407, 0x00001407 }, -+ { 0xe9002568, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9002768, ~0x01000f3c, 0x00000a28 }, -+ { 0xe900242c, ~0x00000700, 0x00000100 }, -+ { 0xe900262c, ~0x00000700, 0x00000100 }, -+ { 0xe900256c, ~0x000000ff, 0x0000003f }, -+ { 0xe900276c, ~0x000000ff, 0x0000003f }, -+ { 0xe900254c, ~0x00ffff00, 0x00120500 }, -+ { 0xe900274c, ~0x00ffff00, 0x00120500 }, -+ { 0xe9002564, ~0x0000f000, 0x00005000 }, -+ { 0xe9002764, ~0x0000f000, 0x00005000 }, -+ { 0xe9002570, ~0x00000018, 0x00000000 }, -+ { 0xe9002770, ~0x00000018, 0x00000000 }, -+ { 0xe9002514, ~0x38000700, 0x00000100 }, -+ { 0xe9002714, ~0x38000700, 0x00000100 }, -+ { 0xe9002438, ~0x0000000f, 0x0000000b }, -+ { 0xe9002638, ~0x0000000f, 0x0000000b }, -+ { 0xe9002414, ~0x0000fe00, 0x00006600 }, -+ { 0xe9002614, ~0x0000fe00, 0x00006600 }, -+ { 0xe9002540, ~0x00800000, 0x00000000 }, -+ { 0xe9002740, ~0x00800000, 0x00000000 }, -+}; -+ -+const struct hsio_table_row hsio_xhci_lpt_lp_bx[] = { -+ { 0xe90021cc, ~0x00001407, 0x00001407 }, -+ { 0xe90023cc, ~0x00001407, 0x00001407 }, -+ { 0xe9002168, ~0x01000f3c, 0x00000a28 }, -+ { 0xe9002368, ~0x01000f3c, 0x00000a28 }, -+ { 0xe900216c, ~0x000000ff, 0x0000003f }, -+ { 0xe900236c, ~0x000000ff, 0x0000003f }, -+ { 0xe900214c, ~0x00ffff00, 0x00120500 }, -+ { 0xe900234c, ~0x00ffff00, 0x00120500 }, -+ { 0xe9002164, ~0x0000f000, 0x00005000 }, -+ { 0xe9002364, ~0x0000f000, 0x00005000 }, -+ { 0xe9002170, ~0x00000018, 0x00000000 }, -+ { 0xe9002370, ~0x00000018, 0x00000000 }, -+ { 0xe9002114, ~0x38000700, 0x00000100 }, -+ { 0xe9002314, ~0x38000700, 0x00000100 }, -+ { 0xe9002038, ~0x0000000f, 0x0000000b }, -+ { 0xe9002238, ~0x0000000f, 0x0000000b }, -+ { 0xe9002014, ~0x0000fe00, 0x00006600 }, -+ { 0xe9002214, ~0x0000fe00, 0x00006600 }, -+ { 0xe9002140, ~0x00800000, 0x00000000 }, -+ { 0xe9002340, ~0x00800000, 0x00000000 }, -+}; -+ -+void program_hsio_sata_lpt_lp_bx(const bool is_mobile) -+{ -+ const struct hsio_table_row *pch_hsio_table; -+ size_t len; -+ -+ pch_hsio_table = hsio_sata_shared_lpt_lp_bx; -+ len = ARRAY_SIZE(hsio_sata_shared_lpt_lp_bx); -+ for (size_t i = 0; i < len; i++) -+ hsio_sata_shared_update_row(pch_hsio_table[i]); -+ -+ const uint32_t hsio_sata_value = is_mobile ? 0x00004c5a : 0x00003e67; -+ -+ hsio_sata_shared_update(0xea002090, ~0x0000ffff, hsio_sata_value); -+ hsio_sata_shared_update(0xea002290, ~0x0000ffff, hsio_sata_value); -+ hsio_sata_shared_update(0xea002490, ~0x0000ffff, hsio_sata_value); -+ hsio_sata_shared_update(0xea002690, ~0x0000ffff, hsio_sata_value); -+} -+ -+void program_hsio_xhci_lpt_lp_bx(void) -+{ -+ const struct hsio_table_row *pch_hsio_table; -+ size_t len; -+ -+ pch_hsio_table = hsio_xhci_lpt_lp_bx; -+ len = ARRAY_SIZE(hsio_xhci_lpt_lp_bx); -+ -+ for (size_t i = 0; i < len; i++) -+ hsio_update_row(pch_hsio_table[i]); -+ -+ pch_hsio_table = hsio_xhci_shared_lpt_lp_bx; -+ len = ARRAY_SIZE(hsio_xhci_shared_lpt_lp_bx); -+ -+ for (size_t i = 0; i < len; i++) -+ hsio_xhci_shared_update_row(pch_hsio_table[i]); -+} -+ -+void program_hsio_igbe_lpt_lp_bx(void) -+{ -+ const uint32_t strpfusecfg1 = pci_read_config32(PCI_DEV(0, 0x1c, 0), 0xfc); -+ if (!(strpfusecfg1 & (1 << 19))) -+ return; -+ -+ const uint8_t gbe_port = (strpfusecfg1 >> 16) & 0x7; -+ if (gbe_port > 5) -+ return; -+ -+ const uint32_t gbe_hsio_base = 0xe900 << 16 | (0x08 + 2 * gbe_port) << 8; -+ hsio_update(gbe_hsio_base + 0x08, ~0xf0000100, 0xe0000100); -+} -diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h -index 38a9349220..74b4d50017 100644 ---- a/src/southbridge/intel/lynxpoint/pch.h -+++ b/src/southbridge/intel/lynxpoint/pch.h -@@ -117,6 +117,7 @@ void pch_dmi_setup_physical_layer(void); - void pch_dmi_tc_vc_mapping(u32 vc0, u32 vc1, u32 vcp, u32 vcm); - void early_usb_init(void); - void early_thermal_init(void); -+void early_pch_init_native(int s3resume); - - void usb_ehci_sleep_prepare(pci_devfn_t dev, u8 slp_typ); - void usb_ehci_disable(pci_devfn_t dev); -@@ -271,6 +272,10 @@ void mainboard_config_rcba(void); - #define IDE_DECODE_ENABLE (1 << 15) - #define IDE_TIM_SEC 0x42 /* IDE timings, secondary */ - -+#define SATA_MAP 0x90 -+#define SATA_PCS 0x92 -+#define SATA_SCLKG 0x94 -+ - #define SATA_SIRI 0xa0 /* SATA Indexed Register Index */ - #define SATA_SIRD 0xa4 /* SATA Indexed Register Data */ - #define SATA_SP 0xd0 /* Scratchpad */ -@@ -580,6 +585,7 @@ void mainboard_config_rcba(void); - #define D19IR 0x3168 /* 16bit */ - #define ACPIIRQEN 0x31e0 /* 32bit */ - #define OIC 0x31fe /* 16bit */ -+#define PRSTS 0x3310 /* 32bit */ - #define PMSYNC_CONFIG 0x33c4 /* 32bit */ - #define PMSYNC_CONFIG2 0x33cc /* 32bit */ - #define SOFT_RESET_CTRL 0x38f4 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0008-nb-intel-haswell-Add-native-raminit-scaffolding.patch b/resources/coreboot/haswell/patches/0008-nb-intel-haswell-Add-native-raminit-scaffolding.patch deleted file mode 100644 index 6df828eb..00000000 --- a/resources/coreboot/haswell/patches/0008-nb-intel-haswell-Add-native-raminit-scaffolding.patch +++ /dev/null @@ -1,407 +0,0 @@ -From 46cdec8cbce15ca11ad9a49a3ee415a78f781997 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 00:26:10 +0200 -Subject: [PATCH 08/26] nb/intel/haswell: Add native raminit scaffolding - -Implement some scaffolding for Haswell native raminit, like bootmode -selection, handling of MRC cache and CPU detection. - -Change-Id: Icd96649fa045ea7f0f32ae9bfe1e60498d93975b -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 104 ++++++++++ - .../haswell/native_raminit/raminit_native.c | 189 +++++++++++++++++- - .../haswell/native_raminit/raminit_native.h | 34 ++++ - 4 files changed, 322 insertions(+), 6 deletions(-) - create mode 100644 src/northbridge/intel/haswell/native_raminit/raminit_main.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/raminit_native.h - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 8cfb4fb33e..90af951c5a 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,3 +1,4 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += raminit_main.c - romstage-y += raminit_native.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -new file mode 100644 -index 0000000000..9b42c25b40 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -0,0 +1,104 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <assert.h> -+#include <console/console.h> -+#include <cpu/intel/haswell/haswell.h> -+#include <delay.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/chip.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <northbridge/intel/haswell/raminit.h> -+#include <string.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+struct task_entry { -+ enum raminit_status (*task)(struct sysinfo *); -+ bool is_enabled; -+ const char *name; -+}; -+ -+static const struct task_entry cold_boot[] = { -+}; -+ -+/* Return a generic stepping value to make stepping checks simpler */ -+static enum generic_stepping get_stepping(const uint32_t cpuid) -+{ -+ switch (cpuid) { -+ case CPUID_HASWELL_A0: -+ die("Haswell stepping A0 is not supported\n"); -+ case CPUID_HASWELL_B0: -+ case CPUID_HASWELL_ULT_B0: -+ case CPUID_CRYSTALWELL_B0: -+ return STEPPING_B0; -+ case CPUID_HASWELL_C0: -+ case CPUID_HASWELL_ULT_C0: -+ case CPUID_CRYSTALWELL_C0: -+ return STEPPING_C0; -+ default: -+ /** TODO: Add Broadwell support someday **/ -+ die("Unknown CPUID 0x%x\n", cpuid); -+ } -+} -+ -+static void initialize_ctrl(struct sysinfo *ctrl) -+{ -+ const struct northbridge_intel_haswell_config *cfg = config_of_soc(); -+ const enum raminit_boot_mode bootmode = ctrl->bootmode; -+ -+ memset(ctrl, 0, sizeof(*ctrl)); -+ -+ ctrl->cpu = cpu_get_cpuid(); -+ ctrl->stepping = get_stepping(ctrl->cpu); -+ ctrl->dq_pins_interleaved = cfg->dq_pins_interleaved; -+ ctrl->bootmode = bootmode; -+} -+ -+static enum raminit_status try_raminit(struct sysinfo *ctrl) -+{ -+ const struct task_entry *const schedule = cold_boot; -+ const size_t length = ARRAY_SIZE(cold_boot); -+ -+ enum raminit_status status = RAMINIT_STATUS_UNSPECIFIED_ERROR; -+ -+ for (size_t i = 0; i < length; i++) { -+ const struct task_entry *const entry = &schedule[i]; -+ assert(entry); -+ assert(entry->name); -+ if (!entry->is_enabled) -+ continue; -+ -+ assert(entry->task); -+ printk(RAM_DEBUG, "\nExecuting raminit task %s\n", entry->name); -+ status = entry->task(ctrl); -+ printk(RAM_DEBUG, "\n"); -+ if (status) { -+ printk(BIOS_ERR, "raminit failed on step %s\n", entry->name); -+ break; -+ } -+ } -+ -+ return status; -+} -+ -+void raminit_main(const enum raminit_boot_mode bootmode) -+{ -+ /* -+ * The mighty_ctrl struct. Will happily nuke the pre-RAM stack -+ * if left unattended. Make it static and pass pointers to it. -+ */ -+ static struct sysinfo mighty_ctrl; -+ -+ mighty_ctrl.bootmode = bootmode; -+ initialize_ctrl(&mighty_ctrl); -+ -+ /** TODO: Try more than once **/ -+ enum raminit_status status = try_raminit(&mighty_ctrl); -+ -+ if (status != RAMINIT_STATUS_SUCCESS) -+ die("Memory initialization was met with utmost failure and misery\n"); -+ -+ /** TODO: Implement the required magic **/ -+ die("NATIVE RAMINIT: More Magic (tm) required.\n"); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index b6efb6b40d..0869db3902 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -1,13 +1,45 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - -+#include <arch/cpu.h> -+#include <assert.h> -+#include <cbmem.h> -+#include <cf9_reset.h> - #include <console/console.h> -+#include <cpu/x86/msr.h> - #include <delay.h> -+#include <device/pci_ops.h> -+#include <mrc_cache.h> - #include <northbridge/intel/haswell/haswell.h> - #include <northbridge/intel/haswell/raminit.h> - #include <southbridge/intel/lynxpoint/me.h> - #include <southbridge/intel/lynxpoint/pch.h> - #include <types.h> - -+#include "raminit_native.h" -+ -+static void wait_txt_clear(void) -+{ -+ const struct cpuid_result cpuid = cpuid_ext(1, 0); -+ -+ /* Check if TXT is supported */ -+ if (!(cpuid.ecx & BIT(6))) -+ return; -+ -+ /* Some TXT public bit */ -+ if (!(read32p(0xfed30010) & 1)) -+ return; -+ -+ /* Wait for TXT clear */ -+ do {} while (!(read8p(0xfed40000) & (1 << 7))); -+} -+ -+static enum raminit_boot_mode get_boot_mode(void) -+{ -+ const uint16_t pmcon_2 = pci_read_config16(PCH_LPC_DEV, GEN_PMCON_2); -+ const uint16_t bitmask = GEN_PMCON_2_DISB | GEN_PMCON_2_MEM_SR; -+ return (pmcon_2 & bitmask) == bitmask ? BOOTMODE_WARM : BOOTMODE_COLD; -+} -+ - static bool early_init_native(int s3resume) - { - printk(BIOS_DEBUG, "Starting native platform initialisation\n"); -@@ -24,6 +56,120 @@ static bool early_init_native(int s3resume) - return cpu_replaced; - } - -+#define MRC_CACHE_VERSION 1 -+ -+struct mrc_data { -+ const void *buffer; -+ size_t buffer_len; -+}; -+ -+static void save_mrc_data(struct mrc_data *md) -+{ -+ mrc_cache_stash_data(MRC_TRAINING_DATA, MRC_CACHE_VERSION, md->buffer, md->buffer_len); -+} -+ -+static struct mrc_data prepare_mrc_cache(void) -+{ -+ struct mrc_data md = {0}; -+ md.buffer = mrc_cache_current_mmap_leak(MRC_TRAINING_DATA, -+ MRC_CACHE_VERSION, -+ &md.buffer_len); -+ return md; -+} -+ -+static const char *const bm_names[] = { -+ "BOOTMODE_COLD", -+ "BOOTMODE_WARM", -+ "BOOTMODE_S3", -+ "BOOTMODE_FAST", -+}; -+ -+static void clear_disb(void) -+{ -+ pci_and_config16(PCH_LPC_DEV, GEN_PMCON_2, ~GEN_PMCON_2_DISB); -+} -+ -+static void raminit_reset(void) -+{ -+ clear_disb(); -+ system_reset(); -+} -+ -+static enum raminit_boot_mode do_actual_raminit( -+ struct mrc_data *md, -+ const bool s3resume, -+ const bool cpu_replaced, -+ const enum raminit_boot_mode orig_bootmode) -+{ -+ enum raminit_boot_mode bootmode = orig_bootmode; -+ -+ bool save_data_valid = md->buffer && md->buffer_len == USHRT_MAX; /** TODO: sizeof() **/ -+ -+ if (s3resume) { -+ if (bootmode == BOOTMODE_COLD) { -+ printk(BIOS_EMERG, "Memory may not be in self-refresh for S3 resume\n"); -+ printk(BIOS_EMERG, "S3 resume and cold boot are mutually exclusive\n"); -+ raminit_reset(); -+ } -+ /* Only a true mad hatter would replace a CPU in S3 */ -+ if (cpu_replaced) { -+ printk(BIOS_EMERG, "Oh no, CPU was replaced during S3\n"); -+ /* -+ * No reason to continue, memory consistency is most likely lost -+ * and ME will probably request a reset through DID response too. -+ */ -+ /** TODO: Figure out why past self commented this out **/ -+ //raminit_reset(); -+ } -+ bootmode = BOOTMODE_S3; -+ if (!save_data_valid) { -+ printk(BIOS_EMERG, "No training data, S3 resume is impossible\n"); -+ /* Failed S3 resume, reset to come up cleanly */ -+ raminit_reset(); -+ } -+ } -+ if (!s3resume && cpu_replaced) { -+ printk(BIOS_NOTICE, "CPU was replaced, forcing a cold boot\n"); -+ /* -+ * Looks like the ME will get angry if raminit takes too long. -+ * It will report that the CPU has been replaced on next boot. -+ * Try to continue anyway. This should not happen in most cases. -+ */ -+ /** TODO: Figure out why past self commented this out **/ -+ //save_data_valid = false; -+ } -+ if (bootmode == BOOTMODE_COLD) { -+ /* If possible, promote to a fast boot */ -+ if (save_data_valid) -+ bootmode = BOOTMODE_FAST; -+ -+ clear_disb(); -+ } else if (bootmode == BOOTMODE_WARM) { -+ /* If a warm reset happened before raminit is done, force a cold boot */ -+ if (mchbar_read32(SSKPD) == 0 && mchbar_read32(SSKPD + 4) == 0) { -+ printk(BIOS_NOTICE, "Warm reset occurred early in cold boot\n"); -+ save_data_valid = false; -+ } -+ if (!save_data_valid) -+ bootmode = BOOTMODE_COLD; -+ } -+ assert(save_data_valid != (bootmode == BOOTMODE_COLD)); -+ if (save_data_valid) { -+ printk(BIOS_INFO, "Using cached memory parameters\n"); -+ die("RAMINIT: Fast boot is not yet implemented\n"); -+ } -+ printk(RAM_DEBUG, "Initial bootmode: %s\n", bm_names[orig_bootmode]); -+ printk(RAM_DEBUG, "Current bootmode: %s\n", bm_names[bootmode]); -+ -+ /* -+ * And now, the actual memory initialization thing. -+ */ -+ printk(RAM_DEBUG, "\nStarting native raminit\n"); -+ raminit_main(bootmode); -+ -+ return bootmode; -+} -+ - void perform_raminit(const int s3resume) - { - /* -@@ -32,17 +178,48 @@ void perform_raminit(const int s3resume) - */ - const bool cpu_replaced = early_init_native(s3resume); - -- (void)cpu_replaced; -+ wait_txt_clear(); -+ wrmsr(0x2e6, (msr_t) {.lo = 0, .hi = 0}); -+ -+ const enum raminit_boot_mode orig_bootmode = get_boot_mode(); -+ -+ struct mrc_data md = prepare_mrc_cache(); -+ -+ const enum raminit_boot_mode bootmode = -+ do_actual_raminit(&md, s3resume, cpu_replaced, orig_bootmode); -+ -+ /** TODO: report_memory_config **/ - -- /** TODO: Move after raminit */ - if (intel_early_me_uma_size() > 0) { -- /** TODO: Update status once raminit is implemented **/ -- uint8_t me_status = ME_INIT_STATUS_ERROR; -+ /* -+ * The 'other' success value is to report loss of memory -+ * consistency to ME if warm boot was downgraded to cold. -+ */ -+ uint8_t me_status; -+ if (BOOTMODE_WARM == orig_bootmode && BOOTMODE_COLD == bootmode) -+ me_status = ME_INIT_STATUS_SUCCESS_OTHER; -+ else -+ me_status = ME_INIT_STATUS_SUCCESS; -+ -+ /** TODO: Remove this once raminit is implemented **/ -+ me_status = ME_INIT_STATUS_ERROR; - intel_early_me_init_done(me_status); - } - -+ post_code(0x3b); -+ - intel_early_me_status(); - -- /** TODO: Implement the required magic **/ -- die("NATIVE RAMINIT: More Magic (tm) required.\n"); -+ const bool cbmem_was_initted = !cbmem_recovery(s3resume); -+ if (s3resume && !cbmem_was_initted) { -+ /* Failed S3 resume, reset to come up cleanly */ -+ printk(BIOS_CRIT, "Failed to recover CBMEM in S3 resume.\n"); -+ system_reset(); -+ } -+ -+ /* Save training data on non-S3 resumes */ -+ if (!s3resume) -+ save_mrc_data(&md); -+ -+ /** TODO: setup_sdram_meminfo **/ - } -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -new file mode 100644 -index 0000000000..885f0184f4 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -0,0 +1,34 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#ifndef HASWELL_RAMINIT_NATIVE_H -+#define HASWELL_RAMINIT_NATIVE_H -+ -+enum raminit_boot_mode { -+ BOOTMODE_COLD, -+ BOOTMODE_WARM, -+ BOOTMODE_S3, -+ BOOTMODE_FAST, -+}; -+ -+enum raminit_status { -+ RAMINIT_STATUS_SUCCESS = 0, -+ RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ -+}; -+ -+enum generic_stepping { -+ STEPPING_A0 = 1, -+ STEPPING_B0 = 2, -+ STEPPING_C0 = 3, -+}; -+ -+struct sysinfo { -+ enum raminit_boot_mode bootmode; -+ enum generic_stepping stepping; -+ uint32_t cpu; /* CPUID value */ -+ -+ bool dq_pins_interleaved; -+}; -+ -+void raminit_main(enum raminit_boot_mode bootmode); -+ -+#endif --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0009-nb-intel-haswell-nri-Only-do-CPU-replacement-check-o.patch b/resources/coreboot/haswell/patches/0009-nb-intel-haswell-nri-Only-do-CPU-replacement-check-o.patch deleted file mode 100644 index 07525d18..00000000 --- a/resources/coreboot/haswell/patches/0009-nb-intel-haswell-nri-Only-do-CPU-replacement-check-o.patch +++ /dev/null @@ -1,57 +0,0 @@ -From 731216aef3129ae27ad5adc7266cb8a58090c9fc Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 26 Jun 2022 10:32:12 +0200 -Subject: [PATCH 09/26] nb/intel/haswell/nri: Only do CPU replacement check on - cold boots - -CPU replacement check should only be done on cold boots. - -Change-Id: I98efa105f4df755b23febe12dd7b356787847852 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/raminit_native.c | 13 ++++++------- - 1 file changed, 6 insertions(+), 7 deletions(-) - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index 0869db3902..bd9bc8e692 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -40,15 +40,14 @@ static enum raminit_boot_mode get_boot_mode(void) - return (pmcon_2 & bitmask) == bitmask ? BOOTMODE_WARM : BOOTMODE_COLD; - } - --static bool early_init_native(int s3resume) -+static bool early_init_native(enum raminit_boot_mode bootmode) - { - printk(BIOS_DEBUG, "Starting native platform initialisation\n"); - - intel_early_me_init(); -- /** TODO: CPU replacement check must be skipped in warm boots and S3 resumes **/ -- const bool cpu_replaced = !s3resume && intel_early_me_cpu_replacement_check(); -+ bool cpu_replaced = bootmode == BOOTMODE_COLD && intel_early_me_cpu_replacement_check(); - -- early_pch_init_native(s3resume); -+ early_pch_init_native(bootmode == BOOTMODE_S3); - - if (!CONFIG(INTEL_LYNXPOINT_LP)) - dmi_early_init(); -@@ -176,13 +175,13 @@ void perform_raminit(const int s3resume) - * See, this function's name is a lie. There are more things to - * do that memory initialisation, but they are relatively easy. - */ -- const bool cpu_replaced = early_init_native(s3resume); -+ const enum raminit_boot_mode orig_bootmode = get_boot_mode(); -+ -+ const bool cpu_replaced = early_init_native(s3resume ? BOOTMODE_S3 : orig_bootmode); - - wait_txt_clear(); - wrmsr(0x2e6, (msr_t) {.lo = 0, .hi = 0}); - -- const enum raminit_boot_mode orig_bootmode = get_boot_mode(); -- - struct mrc_data md = prepare_mrc_cache(); - - const enum raminit_boot_mode bootmode = --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0010-haswell-NRI-Collect-SPD-info.patch b/resources/coreboot/haswell/patches/0010-haswell-NRI-Collect-SPD-info.patch deleted file mode 100644 index 4c2a2670..00000000 --- a/resources/coreboot/haswell/patches/0010-haswell-NRI-Collect-SPD-info.patch +++ /dev/null @@ -1,344 +0,0 @@ -From 354969af4361bcc7dc240ef5871d169728f7f0cc Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 13:48:53 +0200 -Subject: [PATCH 10/26] haswell NRI: Collect SPD info - -Collect SPD data from DIMMs and memory-down, and find the common -supported settings. - -Change-Id: I4e6a1408a638a463ecae37a447cfed1d6556e44a -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 57 +++++ - .../haswell/native_raminit/spd_bitmunching.c | 206 ++++++++++++++++++ - 4 files changed, 265 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 90af951c5a..ebf7abc6ec 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -2,3 +2,4 @@ - - romstage-y += raminit_main.c - romstage-y += raminit_native.c -+romstage-y += spd_bitmunching.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 9b42c25b40..2d2cfa48bb 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -20,6 +20,7 @@ struct task_entry { - }; - - static const struct task_entry cold_boot[] = { -+ { collect_spd_info, true, "PROCSPD", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 885f0184f4..1a0793947e 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -3,6 +3,15 @@ - #ifndef HASWELL_RAMINIT_NATIVE_H - #define HASWELL_RAMINIT_NATIVE_H - -+#include <device/dram/ddr3.h> -+#include <northbridge/intel/haswell/haswell.h> -+ -+#define SPD_LEN 256 -+ -+/* 8 data lanes + 1 ECC lane */ -+#define NUM_LANES 9 -+#define NUM_LANES_NO_ECC 8 -+ - enum raminit_boot_mode { - BOOTMODE_COLD, - BOOTMODE_WARM, -@@ -12,6 +21,8 @@ enum raminit_boot_mode { - - enum raminit_status { - RAMINIT_STATUS_SUCCESS = 0, -+ RAMINIT_STATUS_NO_MEMORY_INSTALLED, -+ RAMINIT_STATUS_UNSUPPORTED_MEMORY, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -21,14 +32,60 @@ enum generic_stepping { - STEPPING_C0 = 3, - }; - -+struct raminit_dimm_info { -+ spd_raw_data raw_spd; -+ struct dimm_attr_ddr3_st data; -+ uint8_t spd_addr; -+ bool valid; -+}; -+ - struct sysinfo { - enum raminit_boot_mode bootmode; - enum generic_stepping stepping; - uint32_t cpu; /* CPUID value */ - - bool dq_pins_interleaved; -+ -+ /** TODO: ECC support untested **/ -+ bool is_ecc; -+ -+ /** -+ * FIXME: LPDDR support is incomplete. The largest chunks are missing, -+ * but some LPDDR-specific variations in algorithms have been handled. -+ * LPDDR-specific functions have stubs which will halt upon execution. -+ */ -+ bool lpddr; -+ -+ struct raminit_dimm_info dimms[NUM_CHANNELS][NUM_SLOTS]; -+ union dimm_flags_ddr3_st flags; -+ uint16_t cas_supported; -+ -+ /* Except for tCK, everything is eventually stored in DCLKs */ -+ uint32_t tCK; -+ uint32_t tAA; /* Also known as tCL */ -+ uint32_t tWR; -+ uint32_t tRCD; -+ uint32_t tRRD; -+ uint32_t tRP; -+ uint32_t tRAS; -+ uint32_t tRC; -+ uint32_t tRFC; -+ uint32_t tWTR; -+ uint32_t tRTP; -+ uint32_t tFAW; -+ uint32_t tCWL; -+ uint32_t tCMD; -+ -+ uint8_t lanes; /* 8 or 9 */ -+ uint8_t chanmap; -+ uint8_t dpc[NUM_CHANNELS]; /* DIMMs per channel */ -+ uint8_t rankmap[NUM_CHANNELS]; -+ uint8_t rank_mirrored[NUM_CHANNELS]; -+ uint32_t channel_size_mb[NUM_CHANNELS]; - }; - - void raminit_main(enum raminit_boot_mode bootmode); - -+enum raminit_status collect_spd_info(struct sysinfo *ctrl); -+ - #endif -diff --git a/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c b/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c -new file mode 100644 -index 0000000000..dbe02c72d0 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c -@@ -0,0 +1,206 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <cbfs.h> -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <device/dram/ddr3.h> -+#include <device/smbus_host.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <northbridge/intel/haswell/raminit.h> -+#include <string.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static const uint8_t *get_spd_data_from_cbfs(struct spd_info *spdi) -+{ -+ if (!CONFIG(HAVE_SPD_IN_CBFS)) -+ return NULL; -+ -+ printk(RAM_DEBUG, "SPD index %u\n", spdi->spd_index); -+ -+ size_t spd_file_len; -+ uint8_t *spd_file = cbfs_map("spd.bin", &spd_file_len); -+ -+ if (!spd_file) { -+ printk(BIOS_ERR, "SPD data not found in CBFS\n"); -+ return NULL; -+ } -+ -+ if (spd_file_len < ((spdi->spd_index + 1) * SPD_LEN)) { -+ printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n"); -+ spdi->spd_index = 0; -+ } -+ -+ if (spd_file_len < SPD_LEN) { -+ printk(BIOS_ERR, "Invalid SPD data in CBFS\n"); -+ return NULL; -+ } -+ -+ return spd_file + (spdi->spd_index * SPD_LEN); -+} -+ -+static void get_spd_for_dimm(struct raminit_dimm_info *const dimm, const uint8_t *cbfs_spd) -+{ -+ if (dimm->spd_addr == SPD_MEMORY_DOWN) { -+ if (cbfs_spd) { -+ memcpy(dimm->raw_spd, cbfs_spd, SPD_LEN); -+ dimm->valid = true; -+ printk(RAM_DEBUG, "memory-down\n"); -+ return; -+ } else { -+ printk(RAM_DEBUG, "memory-down but no CBFS SPD data, ignoring\n"); -+ return; -+ } -+ } -+ printk(RAM_DEBUG, "slotted "); -+ const uint8_t spd_mem_type = smbus_read_byte(dimm->spd_addr, SPD_MEMORY_TYPE); -+ if (spd_mem_type != SPD_MEMORY_TYPE_SDRAM_DDR3) { -+ printk(RAM_DEBUG, "and not DDR3, ignoring\n"); -+ return; -+ } -+ printk(RAM_DEBUG, "and DDR3\n"); -+ if (i2c_eeprom_read(dimm->spd_addr, 0, SPD_LEN, dimm->raw_spd) != SPD_LEN) { -+ printk(BIOS_WARNING, "I2C block read failed, trying SMBus byte reads\n"); -+ for (uint32_t i = 0; i < SPD_LEN; i++) -+ dimm->raw_spd[i] = smbus_read_byte(dimm->spd_addr, i); -+ } -+ dimm->valid = true; -+} -+ -+static void get_spd_data(struct sysinfo *ctrl) -+{ -+ struct spd_info spdi = {0}; -+ mb_get_spd_map(&spdi); -+ const uint8_t *cbfs_spd = get_spd_data_from_cbfs(&spdi); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ struct raminit_dimm_info *const dimm = &ctrl->dimms[channel][slot]; -+ dimm->spd_addr = spdi.addresses[channel + channel + slot]; -+ if (!dimm->spd_addr) -+ continue; -+ -+ printk(RAM_DEBUG, "CH%uS%u is ", channel, slot); -+ get_spd_for_dimm(dimm, cbfs_spd); -+ } -+ } -+} -+ -+static void decode_spd(struct raminit_dimm_info *const dimm) -+{ -+ /** TODO: Hook up somewhere, and handle lack of XMP data **/ -+ const bool enable_xmp = false; -+ memset(&dimm->data, 0, sizeof(dimm->data)); -+ if (enable_xmp) -+ spd_xmp_decode_ddr3(&dimm->data, dimm->raw_spd, DDR3_XMP_PROFILE_1); -+ else -+ spd_decode_ddr3(&dimm->data, dimm->raw_spd); -+ -+ if (CONFIG(DEBUG_RAM_SETUP)) -+ dram_print_spd_ddr3(&dimm->data); -+} -+ -+static enum raminit_status find_common_spd_parameters(struct sysinfo *ctrl) -+{ -+ ctrl->cas_supported = 0xffff; -+ ctrl->flags.raw = 0xffffffff; -+ -+ ctrl->tCK = 0; -+ ctrl->tAA = 0; -+ ctrl->tWR = 0; -+ ctrl->tRCD = 0; -+ ctrl->tRRD = 0; -+ ctrl->tRP = 0; -+ ctrl->tRAS = 0; -+ ctrl->tRC = 0; -+ ctrl->tRFC = 0; -+ ctrl->tWTR = 0; -+ ctrl->tRTP = 0; -+ ctrl->tFAW = 0; -+ ctrl->tCWL = 0; -+ ctrl->tCMD = 0; -+ ctrl->chanmap = 0; -+ -+ bool yes_ecc = false; -+ bool not_ecc = false; -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ ctrl->dpc[channel] = 0; -+ ctrl->rankmap[channel] = 0; -+ ctrl->rank_mirrored[channel] = 0; -+ ctrl->channel_size_mb[channel] = 0; -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ struct raminit_dimm_info *const dimm = &ctrl->dimms[channel][slot]; -+ if (!dimm->valid) -+ continue; -+ -+ printk(RAM_DEBUG, "\nCH%uS%u SPD:\n", channel, slot); -+ decode_spd(dimm); -+ -+ ctrl->chanmap |= BIT(channel); -+ ctrl->dpc[channel]++; -+ ctrl->channel_size_mb[channel] += dimm->data.size_mb; -+ -+ /* The first rank of a populated slot is always present */ -+ const uint8_t rank = slot + slot; -+ assert(dimm->data.ranks); -+ ctrl->rankmap[channel] |= (BIT(dimm->data.ranks) - 1) << rank; -+ -+ if (dimm->data.flags.pins_mirrored) -+ ctrl->rank_mirrored[channel] |= BIT(rank + 1); -+ -+ /* Find common settings */ -+ ctrl->cas_supported &= dimm->data.cas_supported; -+ ctrl->flags.raw &= dimm->data.flags.raw; -+ ctrl->tCK = MAX(ctrl->tCK, dimm->data.tCK); -+ ctrl->tAA = MAX(ctrl->tAA, dimm->data.tAA); -+ ctrl->tWR = MAX(ctrl->tWR, dimm->data.tWR); -+ ctrl->tRCD = MAX(ctrl->tRCD, dimm->data.tRCD); -+ ctrl->tRRD = MAX(ctrl->tRRD, dimm->data.tRRD); -+ ctrl->tRP = MAX(ctrl->tRP, dimm->data.tRP); -+ ctrl->tRAS = MAX(ctrl->tRAS, dimm->data.tRAS); -+ ctrl->tRC = MAX(ctrl->tRC, dimm->data.tRC); -+ ctrl->tRFC = MAX(ctrl->tRFC, dimm->data.tRFC); -+ ctrl->tWTR = MAX(ctrl->tWTR, dimm->data.tWTR); -+ ctrl->tRTP = MAX(ctrl->tRTP, dimm->data.tRTP); -+ ctrl->tFAW = MAX(ctrl->tFAW, dimm->data.tFAW); -+ ctrl->tCWL = MAX(ctrl->tCWL, dimm->data.tCWL); -+ ctrl->tCMD = MAX(ctrl->tCMD, dimm->data.tCMD); -+ -+ yes_ecc |= dimm->data.flags.is_ecc; -+ not_ecc |= !dimm->data.flags.is_ecc; -+ } -+ } -+ -+ if (!ctrl->chanmap) { -+ printk(BIOS_ERR, "No DIMMs were found\n"); -+ return RAMINIT_STATUS_NO_MEMORY_INSTALLED; -+ } -+ if (!ctrl->cas_supported) { -+ printk(BIOS_ERR, "Could not resolve common CAS latency\n"); -+ return RAMINIT_STATUS_UNSUPPORTED_MEMORY; -+ } -+ /** TODO: Properly handle ECC support and ECC forced **/ -+ if (yes_ecc && not_ecc) { -+ /** TODO: Test if the ECC DIMMs can be operated as non-ECC DIMMs **/ -+ printk(BIOS_ERR, "Both ECC and non-ECC DIMMs present, this is unsupported\n"); -+ return RAMINIT_STATUS_UNSUPPORTED_MEMORY; -+ } -+ if (yes_ecc) -+ ctrl->lanes = NUM_LANES; -+ else -+ ctrl->lanes = NUM_LANES_NO_ECC; -+ -+ ctrl->is_ecc = yes_ecc; -+ -+ /** TODO: Complete LPDDR support **/ -+ ctrl->lpddr = false; -+ -+ return RAMINIT_STATUS_SUCCESS; -+} -+ -+enum raminit_status collect_spd_info(struct sysinfo *ctrl) -+{ -+ get_spd_data(ctrl); -+ return find_common_spd_parameters(ctrl); -+} --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0011-haswell-NRI-Initialise-MPLL.patch b/resources/coreboot/haswell/patches/0011-haswell-NRI-Initialise-MPLL.patch deleted file mode 100644 index 1fec2e38..00000000 --- a/resources/coreboot/haswell/patches/0011-haswell-NRI-Initialise-MPLL.patch +++ /dev/null @@ -1,346 +0,0 @@ -From 77a89d55ab7a715dc20c34a6edacaaf781b56087 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 14:36:10 +0200 -Subject: [PATCH 11/26] haswell NRI: Initialise MPLL - -Add code to initialise the MPLL (Memory PLL). The procedure is similar -to the one for Sandy/Ivy Bridge, but it is not worth factoring out. - -Change-Id: I978c352de68f6d8cecc76f4ae3c12daaf4be9ed6 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 2 + - .../intel/haswell/native_raminit/init_mpll.c | 210 ++++++++++++++++++ - .../haswell/native_raminit/io_comp_control.c | 22 ++ - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 11 + - .../intel/haswell/registers/mchbar.h | 3 + - 6 files changed, 249 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/init_mpll.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/io_comp_control.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index ebf7abc6ec..c125d84f0b 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,5 +1,7 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += init_mpll.c -+romstage-y += io_comp_control.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c - romstage-y += spd_bitmunching.c -diff --git a/src/northbridge/intel/haswell/native_raminit/init_mpll.c b/src/northbridge/intel/haswell/native_raminit/init_mpll.c -new file mode 100644 -index 0000000000..2faa183724 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/init_mpll.c -@@ -0,0 +1,210 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <delay.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static uint32_t get_mem_multiplier(const struct sysinfo *ctrl) -+{ -+ const uint32_t mult = NS2MHZ_DIV256 / (ctrl->tCK * ctrl->base_freq); -+ -+ if (ctrl->base_freq == 100) -+ return clamp_u32(7, mult, 12); -+ -+ if (ctrl->base_freq == 133) -+ return clamp_u32(3, mult, 10); -+ -+ die("Unsupported base frequency\n"); -+} -+ -+static void normalize_tck(struct sysinfo *ctrl, const bool pll_ref100) -+{ -+ /** TODO: Haswell supports up to DDR3-2600 **/ -+ if (ctrl->tCK <= TCK_1200MHZ) { -+ ctrl->tCK = TCK_1200MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 1200; -+ -+ } else if (ctrl->tCK <= TCK_1100MHZ) { -+ ctrl->tCK = TCK_1100MHZ; -+ ctrl->base_freq = 100; -+ ctrl->mem_clock_mhz = 1100; -+ -+ } else if (ctrl->tCK <= TCK_1066MHZ) { -+ ctrl->tCK = TCK_1066MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 1066; -+ -+ } else if (ctrl->tCK <= TCK_1000MHZ) { -+ ctrl->tCK = TCK_1000MHZ; -+ ctrl->base_freq = 100; -+ ctrl->mem_clock_mhz = 1000; -+ -+ } else if (ctrl->tCK <= TCK_933MHZ) { -+ ctrl->tCK = TCK_933MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 933; -+ -+ } else if (ctrl->tCK <= TCK_900MHZ) { -+ ctrl->tCK = TCK_900MHZ; -+ ctrl->base_freq = 100; -+ ctrl->mem_clock_mhz = 900; -+ -+ } else if (ctrl->tCK <= TCK_800MHZ) { -+ ctrl->tCK = TCK_800MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 800; -+ -+ } else if (ctrl->tCK <= TCK_700MHZ) { -+ ctrl->tCK = TCK_700MHZ; -+ ctrl->base_freq = 100; -+ ctrl->mem_clock_mhz = 700; -+ -+ } else if (ctrl->tCK <= TCK_666MHZ) { -+ ctrl->tCK = TCK_666MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 666; -+ -+ } else if (ctrl->tCK <= TCK_533MHZ) { -+ ctrl->tCK = TCK_533MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 533; -+ -+ } else if (ctrl->tCK <= TCK_400MHZ) { -+ ctrl->tCK = TCK_400MHZ; -+ ctrl->base_freq = 133; -+ ctrl->mem_clock_mhz = 400; -+ -+ } else { -+ ctrl->tCK = 0; -+ ctrl->base_freq = 1; -+ ctrl->mem_clock_mhz = 0; -+ return; -+ } -+ if (!pll_ref100 && ctrl->base_freq == 100) { -+ /* Skip unsupported frequency */ -+ ctrl->tCK++; -+ normalize_tck(ctrl, pll_ref100); -+ } -+} -+ -+#define MIN_CAS 4 -+#define MAX_CAS 24 -+ -+static uint8_t find_compatible_cas(struct sysinfo *ctrl) -+{ -+ printk(RAM_DEBUG, "With tCK %u, try CAS: ", ctrl->tCK); -+ const uint8_t cas_lower = MAX(MIN_CAS, DIV_ROUND_UP(ctrl->tAA, ctrl->tCK)); -+ const uint8_t cas_upper = MIN(MAX_CAS, 19); /* JEDEC MR0 limit */ -+ -+ if (!(ctrl->cas_supported >> (cas_lower - MIN_CAS))) { -+ printk(RAM_DEBUG, "DIMMs do not support CAS >= %u\n", cas_lower); -+ ctrl->tCK++; -+ return 0; -+ } -+ for (uint8_t cas = cas_lower; cas <= cas_upper; cas++) { -+ printk(RAM_DEBUG, "%u ", cas); -+ if (ctrl->cas_supported & BIT(cas - MIN_CAS)) { -+ printk(RAM_DEBUG, "OK\n"); -+ return cas; -+ } -+ } -+ return 0; -+} -+ -+static enum raminit_status find_cas_tck(struct sysinfo *ctrl) -+{ -+ /** TODO: Honor all possible PLL_REF100_CFG values **/ -+ uint8_t pll_ref100 = (pci_read_config32(HOST_BRIDGE, CAPID0_B) >> 21) & 0x7; -+ printk(RAM_DEBUG, "PLL_REF100_CFG value: 0x%x\n", pll_ref100); -+ printk(RAM_DEBUG, "100MHz reference clock support: %s\n", pll_ref100 ? "yes" : "no"); -+ -+ uint8_t selected_cas; -+ while (true) { -+ /* Round tCK up so that it is a multiple of either 133 or 100 MHz */ -+ normalize_tck(ctrl, pll_ref100); -+ if (!ctrl->tCK) { -+ printk(BIOS_ERR, "Couldn't find compatible clock / CAS settings\n"); -+ return RAMINIT_STATUS_MPLL_INIT_FAILURE; -+ } -+ selected_cas = find_compatible_cas(ctrl); -+ if (selected_cas) -+ break; -+ -+ ctrl->tCK++; -+ } -+ printk(BIOS_DEBUG, "Found compatible clock / CAS settings\n"); -+ printk(BIOS_DEBUG, "Selected DRAM frequency: %u MHz\n", NS2MHZ_DIV256 / ctrl->tCK); -+ printk(BIOS_DEBUG, "Selected CAS latency : %uT\n", selected_cas); -+ ctrl->multiplier = get_mem_multiplier(ctrl); -+ return RAMINIT_STATUS_SUCCESS; -+} -+ -+enum raminit_status initialise_mpll(struct sysinfo *ctrl) -+{ -+ if (ctrl->tCK > TCK_400MHZ) { -+ printk(BIOS_ERR, "tCK is too slow. Increasing to 400 MHz as last resort\n"); -+ ctrl->tCK = TCK_400MHZ; -+ } -+ while (true) { -+ if (!ctrl->qclkps) { -+ const enum raminit_status status = find_cas_tck(ctrl); -+ if (status) -+ return status; -+ } -+ -+ /* -+ * Unlike previous generations, Haswell's MPLL won't shut down if the -+ * requested frequency isn't supported. But we cannot reinitialize it. -+ * Another different thing: MPLL registers are 4-bit instead of 8-bit. -+ */ -+ -+ /** FIXME: Obtain current clock frequency if we want to skip this **/ -+ //if (mchbar_read32(MC_BIOS_DATA) != 0) -+ // break; -+ -+ uint32_t mc_bios_req = ctrl->multiplier; -+ if (ctrl->base_freq == 100) { -+ /* Use 100 MHz reference clock */ -+ mc_bios_req |= BIT(4); -+ } -+ mc_bios_req |= BIT(31); -+ printk(RAM_DEBUG, "MC_BIOS_REQ = 0x%08x\n", mc_bios_req); -+ printk(BIOS_DEBUG, "MPLL busy... "); -+ mchbar_write32(MC_BIOS_REQ, mc_bios_req); -+ -+ for (unsigned int i = 0; i <= 5000; i++) { -+ if (!(mchbar_read32(MC_BIOS_REQ) & BIT(31))) { -+ printk(BIOS_DEBUG, "done in %u us\n", i); -+ break; -+ } -+ udelay(1); -+ } -+ if (mchbar_read32(MC_BIOS_REQ) & BIT(31)) -+ printk(BIOS_DEBUG, "did not lock\n"); -+ -+ /* Verify locked frequency */ -+ const uint32_t mc_bios_data = mchbar_read32(MC_BIOS_DATA); -+ printk(RAM_DEBUG, "MC_BIOS_DATA = 0x%08x\n", mc_bios_data); -+ if ((mc_bios_data & 0xf) >= ctrl->multiplier) -+ break; -+ -+ printk(BIOS_DEBUG, "Retrying at a lower frequency\n\n"); -+ ctrl->tCK++; -+ } -+ if (!ctrl->mem_clock_mhz) { -+ printk(BIOS_ERR, "Could not program MPLL frequency\n"); -+ return RAMINIT_STATUS_MPLL_INIT_FAILURE; -+ } -+ printk(BIOS_DEBUG, "MPLL frequency is set to: %u MHz ", ctrl->mem_clock_mhz); -+ ctrl->mem_clock_fs = 1000000000 / ctrl->mem_clock_mhz; -+ printk(BIOS_DEBUG, "(period: %u femtoseconds)\n", ctrl->mem_clock_fs); -+ ctrl->qclkps = ctrl->mem_clock_fs / 2000; -+ printk(BIOS_DEBUG, "Quadrature clock period: %u picoseconds\n", ctrl->qclkps); -+ return wait_for_first_rcomp(); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/io_comp_control.c b/src/northbridge/intel/haswell/native_raminit/io_comp_control.c -new file mode 100644 -index 0000000000..7e96c08938 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/io_comp_control.c -@@ -0,0 +1,22 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <timer.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+enum raminit_status wait_for_first_rcomp(void) -+{ -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 2000); -+ do { -+ if (mchbar_read32(RCOMP_TIMER) & BIT(16)) -+ return RAMINIT_STATUS_SUCCESS; -+ -+ } while (!stopwatch_expired(&timer)); -+ printk(BIOS_ERR, "Timed out waiting for RCOMP to complete\n"); -+ return RAMINIT_STATUS_POLL_TIMEOUT; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 2d2cfa48bb..09545422c0 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -21,6 +21,7 @@ struct task_entry { - - static const struct task_entry cold_boot[] = { - { collect_spd_info, true, "PROCSPD", }, -+ { initialise_mpll, true, "INITMPLL", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 1a0793947e..a54581abc7 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -23,6 +23,8 @@ enum raminit_status { - RAMINIT_STATUS_SUCCESS = 0, - RAMINIT_STATUS_NO_MEMORY_INSTALLED, - RAMINIT_STATUS_UNSUPPORTED_MEMORY, -+ RAMINIT_STATUS_MPLL_INIT_FAILURE, -+ RAMINIT_STATUS_POLL_TIMEOUT, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -82,10 +84,19 @@ struct sysinfo { - uint8_t rankmap[NUM_CHANNELS]; - uint8_t rank_mirrored[NUM_CHANNELS]; - uint32_t channel_size_mb[NUM_CHANNELS]; -+ -+ uint8_t base_freq; /* Memory base frequency, either 100 or 133 MHz */ -+ uint32_t multiplier; -+ uint32_t mem_clock_mhz; -+ uint32_t mem_clock_fs; /* Memory clock period in femtoseconds */ -+ uint32_t qclkps; /* Quadrature clock period in picoseconds */ - }; - - void raminit_main(enum raminit_boot_mode bootmode); - - enum raminit_status collect_spd_info(struct sysinfo *ctrl); -+enum raminit_status initialise_mpll(struct sysinfo *ctrl); -+ -+enum raminit_status wait_for_first_rcomp(void); - - #endif -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 5610e7089a..45f8174995 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -13,6 +13,8 @@ - #define MC_INIT_STATE_G 0x5030 - #define MRC_REVISION 0x5034 /* MRC Revision */ - -+#define RCOMP_TIMER 0x5084 -+ - #define MC_LOCK 0x50fc /* Memory Controller Lock register */ - - #define GFXVTBAR 0x5400 /* Base address for IGD */ -@@ -61,6 +63,7 @@ - - #define BIOS_RESET_CPL 0x5da8 /* 8-bit */ - -+#define MC_BIOS_REQ 0x5e00 /* Memory frequency request register */ - #define MC_BIOS_DATA 0x5e04 /* Miscellaneous information for BIOS */ - #define SAPMCTL 0x5f00 - --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0012-haswell-NRI-Post-process-selected-timings.patch b/resources/coreboot/haswell/patches/0012-haswell-NRI-Post-process-selected-timings.patch deleted file mode 100644 index e38f8e57..00000000 --- a/resources/coreboot/haswell/patches/0012-haswell-NRI-Post-process-selected-timings.patch +++ /dev/null @@ -1,249 +0,0 @@ -From faabed9ca8974b2e7192c55b59a9d28d75e72df6 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 16:29:55 +0200 -Subject: [PATCH 12/26] haswell NRI: Post-process selected timings - -Once the MPLL has been initialised, convert the timings from the SPD to -be in DCLKs, which is what the hardware expects. In addition, calculate -the values for tREFI and tXP. - -Change-Id: Id02caf858f75b9e08016762b3aefda282b274386 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/lookup_timings.c | 62 +++++++++++ - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 8 ++ - .../haswell/native_raminit/spd_bitmunching.c | 100 ++++++++++++++++++ - 5 files changed, 172 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/lookup_timings.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index c125d84f0b..2769e0bbb4 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,5 +1,6 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += lookup_timings.c - romstage-y += init_mpll.c - romstage-y += io_comp_control.c - romstage-y += raminit_main.c -diff --git a/src/northbridge/intel/haswell/native_raminit/lookup_timings.c b/src/northbridge/intel/haswell/native_raminit/lookup_timings.c -new file mode 100644 -index 0000000000..038686c844 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/lookup_timings.c -@@ -0,0 +1,62 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <commonlib/clamp.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+struct timing_lookup { -+ uint32_t clock; -+ uint32_t value; -+}; -+ -+static uint32_t lookup_timing( -+ const uint32_t mem_clock_mhz, -+ const struct timing_lookup *const lookup, -+ const size_t length) -+{ -+ /* Fall back to the last index */ -+ size_t i; -+ for (i = 0; i < length - 1; i++) { -+ /* Account for imprecise frequency values */ -+ if ((mem_clock_mhz - 5) <= lookup[i].clock) -+ break; -+ } -+ return lookup[i].value; -+} -+ -+static const uint32_t fmax = UINT32_MAX; -+ -+uint8_t get_tCWL(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 400, 5 }, -+ { 533, 6 }, -+ { 666, 7 }, -+ { 800, 8 }, -+ { 933, 9 }, -+ { 1066, 10 }, -+ { 1200, 11 }, -+ { fmax, 12 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+/* tREFI = 7800 ns * DDR MHz */ -+uint32_t get_tREFI(const uint32_t mem_clock_mhz) -+{ -+ return (mem_clock_mhz * 7800) / 1000; -+} -+ -+uint32_t get_tXP(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 400, 3 }, -+ { 666, 4 }, -+ { 800, 5 }, -+ { 933, 6 }, -+ { 1066, 7 }, -+ { fmax, 8 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 09545422c0..5f2be980d4 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -22,6 +22,7 @@ struct task_entry { - static const struct task_entry cold_boot[] = { - { collect_spd_info, true, "PROCSPD", }, - { initialise_mpll, true, "INITMPLL", }, -+ { convert_timings, true, "CONVTIM", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index a54581abc7..01e5ed1bd6 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -78,6 +78,9 @@ struct sysinfo { - uint32_t tCWL; - uint32_t tCMD; - -+ uint32_t tREFI; -+ uint32_t tXP; -+ - uint8_t lanes; /* 8 or 9 */ - uint8_t chanmap; - uint8_t dpc[NUM_CHANNELS]; /* DIMMs per channel */ -@@ -96,7 +99,12 @@ void raminit_main(enum raminit_boot_mode bootmode); - - enum raminit_status collect_spd_info(struct sysinfo *ctrl); - enum raminit_status initialise_mpll(struct sysinfo *ctrl); -+enum raminit_status convert_timings(struct sysinfo *ctrl); - - enum raminit_status wait_for_first_rcomp(void); - -+uint8_t get_tCWL(uint32_t mem_clock_mhz); -+uint32_t get_tREFI(uint32_t mem_clock_mhz); -+uint32_t get_tXP(uint32_t mem_clock_mhz); -+ - #endif -diff --git a/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c b/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c -index dbe02c72d0..becbea0725 100644 ---- a/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c -+++ b/src/northbridge/intel/haswell/native_raminit/spd_bitmunching.c -@@ -204,3 +204,103 @@ enum raminit_status collect_spd_info(struct sysinfo *ctrl) - get_spd_data(ctrl); - return find_common_spd_parameters(ctrl); - } -+ -+#define MIN_CWL 5 -+#define MAX_CWL 12 -+ -+/* Except for tCK, hardware expects all timing values in DCLKs, not nanoseconds */ -+enum raminit_status convert_timings(struct sysinfo *ctrl) -+{ -+ /* -+ * Obtain all required timing values, in DCLKs. -+ */ -+ -+ /* Convert primary timings from nanoseconds to DCLKs */ -+ ctrl->tAA = DIV_ROUND_UP(ctrl->tAA, ctrl->tCK); -+ ctrl->tWR = DIV_ROUND_UP(ctrl->tWR, ctrl->tCK); -+ ctrl->tRCD = DIV_ROUND_UP(ctrl->tRCD, ctrl->tCK); -+ ctrl->tRRD = DIV_ROUND_UP(ctrl->tRRD, ctrl->tCK); -+ ctrl->tRP = DIV_ROUND_UP(ctrl->tRP, ctrl->tCK); -+ ctrl->tRAS = DIV_ROUND_UP(ctrl->tRAS, ctrl->tCK); -+ ctrl->tRC = DIV_ROUND_UP(ctrl->tRC, ctrl->tCK); -+ ctrl->tRFC = DIV_ROUND_UP(ctrl->tRFC, ctrl->tCK); -+ ctrl->tWTR = DIV_ROUND_UP(ctrl->tWTR, ctrl->tCK); -+ ctrl->tRTP = DIV_ROUND_UP(ctrl->tRTP, ctrl->tCK); -+ ctrl->tFAW = DIV_ROUND_UP(ctrl->tFAW, ctrl->tCK); -+ ctrl->tCWL = DIV_ROUND_UP(ctrl->tCWL, ctrl->tCK); -+ ctrl->tCMD = DIV_ROUND_UP(ctrl->tCMD, ctrl->tCK); -+ -+ /* Constrain primary timings to hardware limits */ -+ /** TODO: complain when clamping? **/ -+ ctrl->tAA = clamp_u32(4, ctrl->tAA, 24); -+ ctrl->tWR = clamp_u32(5, ctrl->tWR, 16); -+ ctrl->tRCD = clamp_u32(4, ctrl->tRCD, 20); -+ ctrl->tRRD = clamp_u32(4, ctrl->tRRD, 65535); -+ ctrl->tRP = clamp_u32(4, ctrl->tRP, 15); -+ ctrl->tRAS = clamp_u32(10, ctrl->tRAS, 40); -+ ctrl->tRC = clamp_u32(1, ctrl->tRC, 4095); -+ ctrl->tRFC = clamp_u32(1, ctrl->tRFC, 511); -+ ctrl->tWTR = clamp_u32(4, ctrl->tWTR, 10); -+ ctrl->tRTP = clamp_u32(4, ctrl->tRTP, 15); -+ ctrl->tFAW = clamp_u32(10, ctrl->tFAW, 54); -+ -+ /** TODO: Honor tREFI from XMP **/ -+ ctrl->tREFI = get_tREFI(ctrl->mem_clock_mhz); -+ ctrl->tXP = get_tXP(ctrl->mem_clock_mhz); -+ -+ /* -+ * Check some values, and adjust them if necessary. -+ */ -+ -+ /* If tWR cannot be written into DDR3 MR0, adjust it */ -+ switch (ctrl->tWR) { -+ case 9: -+ case 11: -+ case 13: -+ case 15: -+ ctrl->tWR++; -+ } -+ -+ /* If tCWL is not supported or unspecified, look up a reasonable default */ -+ if (ctrl->tCWL < MIN_CWL || ctrl->tCWL > MAX_CWL) -+ ctrl->tCWL = get_tCWL(ctrl->mem_clock_mhz); -+ -+ /* This is needed to support ODT properly on 2DPC */ -+ if (ctrl->tAA - ctrl->tCWL > 4) -+ ctrl->tCWL = ctrl->tAA - 4; -+ -+ /* If tCMD is invalid, use a guesstimate default */ -+ if (!ctrl->tCMD) { -+ ctrl->tCMD = MAX(ctrl->dpc[0], ctrl->dpc[1]); -+ printk(RAM_DEBUG, "tCMD was zero, picking a guesstimate value\n"); -+ } -+ ctrl->tCMD = clamp_u32(1, ctrl->tCMD, 3); -+ -+ /* -+ * Print final timings. -+ */ -+ -+ /* tCK is special */ -+ printk(BIOS_DEBUG, "Selected tCK : %u ns\n", ctrl->tCK / 256); -+ -+ /* Primary timings */ -+ printk(BIOS_DEBUG, "Selected tAA : %uT\n", ctrl->tAA); -+ printk(BIOS_DEBUG, "Selected tWR : %uT\n", ctrl->tWR); -+ printk(BIOS_DEBUG, "Selected tRCD : %uT\n", ctrl->tRCD); -+ printk(BIOS_DEBUG, "Selected tRRD : %uT\n", ctrl->tRRD); -+ printk(BIOS_DEBUG, "Selected tRP : %uT\n", ctrl->tRP); -+ printk(BIOS_DEBUG, "Selected tRAS : %uT\n", ctrl->tRAS); -+ printk(BIOS_DEBUG, "Selected tRC : %uT\n", ctrl->tRC); -+ printk(BIOS_DEBUG, "Selected tRFC : %uT\n", ctrl->tRFC); -+ printk(BIOS_DEBUG, "Selected tWTR : %uT\n", ctrl->tWTR); -+ printk(BIOS_DEBUG, "Selected tRTP : %uT\n", ctrl->tRTP); -+ printk(BIOS_DEBUG, "Selected tFAW : %uT\n", ctrl->tFAW); -+ printk(BIOS_DEBUG, "Selected tCWL : %uT\n", ctrl->tCWL); -+ printk(BIOS_DEBUG, "Selected tCMD : %uT\n", ctrl->tCMD); -+ -+ /* Derived timings */ -+ printk(BIOS_DEBUG, "Selected tREFI : %uT\n", ctrl->tREFI); -+ printk(BIOS_DEBUG, "Selected tXP : %uT\n", ctrl->tXP); -+ -+ return RAMINIT_STATUS_SUCCESS; -+} --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0013-haswell-NRI-Configure-initial-MC-settings.patch b/resources/coreboot/haswell/patches/0013-haswell-NRI-Configure-initial-MC-settings.patch deleted file mode 100644 index b1c33328..00000000 --- a/resources/coreboot/haswell/patches/0013-haswell-NRI-Configure-initial-MC-settings.patch +++ /dev/null @@ -1,1593 +0,0 @@ -From 1b0b17d85256193de825fa7ff0e04767c818f2fc Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 17:22:07 +0200 -Subject: [PATCH 13/26] haswell NRI: Configure initial MC settings - -Program initial memory controller settings. Many of these values will be -adjusted later during training. - -Change-Id: If33846b51cb1bab5d0458fe626e13afb1bdc900e -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 2 + - .../haswell/native_raminit/configure_mc.c | 822 ++++++++++++++++++ - .../haswell/native_raminit/raminit_main.c | 2 + - .../haswell/native_raminit/raminit_native.h | 101 +++ - .../haswell/native_raminit/reg_structs.h | 405 +++++++++ - .../haswell/native_raminit/timings_refresh.c | 13 + - .../intel/haswell/registers/mchbar.h | 94 ++ - 7 files changed, 1439 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/configure_mc.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/reg_structs.h - create mode 100644 src/northbridge/intel/haswell/native_raminit/timings_refresh.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 2769e0bbb4..fc55277a65 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,8 +1,10 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += configure_mc.c - romstage-y += lookup_timings.c - romstage-y += init_mpll.c - romstage-y += io_comp_control.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c - romstage-y += spd_bitmunching.c -+romstage-y += timings_refresh.c -diff --git a/src/northbridge/intel/haswell/native_raminit/configure_mc.c b/src/northbridge/intel/haswell/native_raminit/configure_mc.c -new file mode 100644 -index 0000000000..2a667b075b ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/configure_mc.c -@@ -0,0 +1,822 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <assert.h> -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <delay.h> -+#include <lib.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <string.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static void program_misc_control(struct sysinfo *ctrl) -+{ -+ if (!is_hsw_ult()) -+ return; -+ -+ const union ddr_scram_misc_control_reg ddr_scram_misc_ctrl = { -+ .ddr_no_ch_interleave = !ctrl->dq_pins_interleaved, -+ .lpddr_mode = ctrl->lpddr, -+ .cke_mapping_ch0 = ctrl->lpddr ? ctrl->lpddr_cke_rank_map[0] : 0, -+ .cke_mapping_ch1 = ctrl->lpddr ? ctrl->lpddr_cke_rank_map[1] : 0, -+ }; -+ mchbar_write32(DDR_SCRAM_MISC_CONTROL, ddr_scram_misc_ctrl.raw); -+} -+ -+static void program_mrc_revision(void) -+{ -+ mchbar_write32(MRC_REVISION, 0x01090000); /* MRC 1.9.0 Build 0 */ -+} -+ -+static void program_ranks_used(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ mchbar_write8(MC_INIT_STATE_ch(channel), ctrl->rankmap[channel]); -+ if (!does_ch_exist(ctrl, channel)) { -+ mchbar_write32(DDR_CLK_ch_RANKS_USED(channel), 0); -+ mchbar_write32(DDR_CTL_ch_CTL_RANKS_USED(channel), 0); -+ mchbar_write32(DDR_CKE_ch_CTL_RANKS_USED(channel), 0); -+ continue; -+ } -+ uint32_t clk_ranks_used = ctrl->rankmap[channel]; -+ if (ctrl->lpddr) { -+ /* With LPDDR, the clock usage goes by group instead */ -+ clk_ranks_used = 0; -+ for (uint8_t group = 0; group < NUM_GROUPS; group++) { -+ if (ctrl->dq_byte_map[channel][CT_ITERATION_CLOCK][group]) -+ clk_ranks_used |= BIT(group); -+ } -+ } -+ mchbar_write32(DDR_CLK_ch_RANKS_USED(channel), clk_ranks_used); -+ -+ uint32_t ctl_ranks_used = ctrl->rankmap[channel]; -+ if (is_hsw_ult()) { -+ /* Set ODT disable bits */ -+ /** TODO: May need to do this after JEDEC reset/init **/ -+ if (ctrl->lpddr && ctrl->lpddr_dram_odt) -+ ctl_ranks_used |= 2 << 4; /* ODT is used on rank 0 */ -+ else -+ ctl_ranks_used |= 3 << 4; -+ } -+ mchbar_write32(DDR_CTL_ch_CTL_RANKS_USED(channel), ctl_ranks_used); -+ -+ uint32_t cke_ranks_used = ctrl->rankmap[channel]; -+ if (ctrl->lpddr) { -+ /* Use CKE-to-rank mapping for LPDDR */ -+ const uint8_t cke_rank_map = ctrl->lpddr_cke_rank_map[channel]; -+ cke_ranks_used = 0; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ /* ULT only has 2 ranks per channel */ -+ if (rank >= 2) -+ break; -+ -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t cke = 0; cke < 4; cke++) { -+ if (rank == ((cke_rank_map >> cke) & 1)) -+ cke_ranks_used |= BIT(cke); -+ } -+ } -+ } -+ mchbar_write32(DDR_CKE_ch_CTL_RANKS_USED(channel), cke_ranks_used); -+ } -+} -+ -+static const uint8_t rxb_trad[2][5][4] = { -+ { /* Vdd low */ -+ /* 1067 MHz, 1333 MHz, 1600 MHz, 1867 MHz, 2133 MHz, */ -+ {4, 3, 3, 2}, {4, 4, 3, 2}, {5, 4, 3, 3}, {5, 4, 4, 3}, {5, 4, 4, 3}, -+ }, -+ { /* Vdd hi */ -+ /* 1067 MHz, 1333 MHz, 1600 MHz, 1867 MHz, 2133 MHz, */ -+ {4, 3, 3, 2}, {4, 4, 3, 2}, {5, 4, 3, 3}, {5, 4, 4, 3}, {4, 4, 3, 3}, -+ }, -+}; -+ -+static const uint8_t rxb_ultx[2][3][4] = { -+ { /* Vdd low */ -+ /* 1067 MHz, 1333 MHz, 1600 MHz, */ -+ {5, 6, 6, 5}, {5, 6, 6, 5}, {4, 6, 6, 6}, -+ }, -+ { /* Vdd hi */ -+ /* 1067 MHz, 1333 MHz, 1600 MHz, */ -+ {7, 6, 6, 5}, {7, 6, 6, 5}, {7, 6, 6, 6}, -+ }, -+}; -+ -+uint8_t get_rx_bias(const struct sysinfo *ctrl) -+{ -+ const bool is_ult = is_hsw_ult(); -+ const bool vddhi = ctrl->vdd_mv > 1350; -+ const uint8_t max_rxf = is_ult ? ARRAY_SIZE(rxb_ultx[0]) : ARRAY_SIZE(rxb_trad[0]); -+ const uint8_t ref_clk = ctrl->base_freq == 133 ? 4 : 6; -+ const uint8_t rx_f = clamp_s8(0, ctrl->multiplier - ref_clk, max_rxf - 1); -+ const uint8_t rx_cb = mchbar_read32(DDR_CLK_CB_STATUS) & 0x3; -+ if (is_ult) -+ return rxb_ultx[vddhi][rx_f][rx_cb]; -+ else -+ return rxb_trad[vddhi][rx_f][rx_cb]; -+} -+ -+static void program_ddr_data(struct sysinfo *ctrl, const bool dis_odt_static, const bool vddhi) -+{ -+ const bool is_ult = is_hsw_ult(); -+ -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!does_rank_exist(ctrl, rank)) -+ continue; -+ -+ const union ddr_data_rx_train_rank_reg rx_train = { -+ .rcven = 64, -+ .dqs_p = 32, -+ .dqs_n = 32, -+ }; -+ mchbar_write32(DDR_DATA_RX_TRAIN_RANK(rank), rx_train.raw); -+ mchbar_write32(DDR_DATA_RX_PER_BIT_RANK(rank), 0x88888888); -+ -+ const union ddr_data_tx_train_rank_reg tx_train = { -+ .tx_eq = TXEQFULLDRV | 11, -+ .dq_delay = 96, -+ .dqs_delay = 64, -+ }; -+ mchbar_write32(DDR_DATA_TX_TRAIN_RANK(rank), tx_train.raw); -+ mchbar_write32(DDR_DATA_TX_PER_BIT_RANK(rank), 0x88888888); -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ ctrl->tx_dq[channel][rank][byte] = tx_train.dq_delay; -+ ctrl->txdqs[channel][rank][byte] = tx_train.dqs_delay; -+ ctrl->tx_eq[channel][rank][byte] = tx_train.tx_eq; -+ -+ ctrl->rcven[channel][rank][byte] = rx_train.rcven; -+ ctrl->rxdqsp[channel][rank][byte] = rx_train.dqs_p; -+ ctrl->rxdqsn[channel][rank][byte] = rx_train.dqs_n; -+ ctrl->rx_eq[channel][rank][byte] = rx_train.rx_eq; -+ } -+ } -+ } -+ mchbar_write32(DDR_DATA_TX_XTALK, 0); -+ mchbar_write32(DDR_DATA_RX_OFFSET_VDQ, 0x88888888); -+ mchbar_write32(DDR_DATA_OFFSET_TRAIN, 0); -+ mchbar_write32(DDR_DATA_OFFSET_COMP, 0); -+ -+ const union ddr_data_control_0_reg data_control_0 = { -+ .internal_clocks_on = !is_ult, -+ .data_vccddq_hi = vddhi, -+ .disable_odt_static = dis_odt_static, -+ .lpddr_mode = ctrl->lpddr, -+ .odt_samp_extend_en = ctrl->lpddr, -+ .early_rleak_en = ctrl->lpddr && ctrl->stepping >= STEPPING_C0, -+ }; -+ mchbar_write32(DDR_DATA_CONTROL_0, data_control_0.raw); -+ -+ const union ddr_data_control_1_reg data_control_1 = { -+ .dll_mask = 1, -+ .rx_bias_ctl = get_rx_bias(ctrl), -+ .odt_delay = -2, -+ .odt_duration = 7, -+ .sense_amp_delay = -2, -+ .sense_amp_duration = 7, -+ }; -+ mchbar_write32(DDR_DATA_CONTROL_1, data_control_1.raw); -+ -+ clear_data_offset_train_all(ctrl); -+ -+ /* Stagger byte turn-on to reduce dI/dT */ -+ const uint8_t byte_stagger[] = { 0, 4, 1, 5, 2, 6, 3, 7, 8 }; -+ const uint8_t latency = 2 * ctrl->tAA - 6; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ union ddr_data_control_2_reg data_control_2 = { -+ .raw = 0, -+ }; -+ if (is_ult) { -+ data_control_2.rx_dqs_amp_offset = 8; -+ data_control_2.rx_clk_stg_num = 0x1f; -+ data_control_2.leaker_comp = ctrl->lpddr ? 3 : 0; -+ } -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const uint8_t stg = latency * byte_stagger[byte] / ctrl->lanes; -+ data_control_2.rx_stagger_ctl = stg & 0x1f; -+ mchbar_write32(DQ_CONTROL_2(channel, byte), data_control_2.raw); -+ ctrl->data_offset_comp[channel][byte] = 0; -+ ctrl->dq_control_1[channel][byte] = data_control_1.raw; -+ ctrl->dq_control_2[channel][byte] = data_control_2.raw; -+ } -+ ctrl->dq_control_0[channel] = data_control_0.raw; -+ } -+} -+ -+static void program_vsshi_control(struct sysinfo *ctrl, const uint16_t vsshi_mv) -+{ -+ const uint32_t vsshi_control_reg = is_hsw_ult() ? 0x366c : 0x306c; -+ const union ddr_comp_vsshi_control_reg ddr_vsshi_control = { -+ .vsshi_target = (vsshi_mv * 192) / ctrl->vdd_mv - 20, -+ .hi_bw_divider = 1, -+ .lo_bw_divider = 1, -+ .bw_error = 2, -+ .panic_driver_en = 1, -+ .panic_voltage = 24 / 8, /* Voltage in 8mV steps */ -+ .gain_boost = 1, -+ }; -+ mchbar_write32(vsshi_control_reg, ddr_vsshi_control.raw); -+ mchbar_write32(DDR_COMP_VSSHI_CONTROL, ddr_vsshi_control.raw); -+} -+ -+static void calc_vt_slope_code(const uint16_t slope, uint8_t *best_a, uint8_t *best_b) -+{ -+ const int16_t coding[] = {0, -125, -62, -31, 250, 125, 62, 31}; -+ *best_a = 0; -+ *best_b = 0; -+ int16_t best_err = slope; -+ for (uint8_t b = 0; b < ARRAY_SIZE(coding); b++) { -+ for (uint8_t a = b; a < ARRAY_SIZE(coding); a++) { -+ int16_t error = slope - (coding[a] + coding[b]); -+ if (error < 0) -+ error = -error; -+ -+ if (error < best_err) { -+ best_err = error; -+ *best_a = a; -+ *best_b = b; -+ } -+ } -+ } -+} -+ -+static void program_dimm_vref(struct sysinfo *ctrl, const uint16_t vccio_mv, const bool vddhi) -+{ -+ const bool is_ult = is_hsw_ult(); -+ -+ /* Static values for ULT */ -+ uint8_t vt_slope_a = 4; -+ uint8_t vt_slope_b = 0; -+ if (!is_ult) { -+ /* On non-ULT, compute best slope code */ -+ const uint16_t vt_slope = 1500 * vccio_mv / ctrl->vdd_mv - 1000; -+ calc_vt_slope_code(vt_slope, &vt_slope_a, &vt_slope_b); -+ } -+ const union ddr_data_vref_control_reg ddr_vref_control = { -+ .hi_bw_divider = is_ult ? 0 : 3, -+ .lo_bw_divider = 3, -+ .sample_divider = is_ult ? 1 : 3, -+ .slow_bw_error = 1, -+ .hi_bw_enable = 1, -+ .vt_slope_b = vt_slope_b, -+ .vt_slope_a = vt_slope_a, -+ .vt_offset = 0, -+ }; -+ mchbar_write32(is_ult ? 0xf68 : 0xf6c, ddr_vref_control.raw); /* Use CH1 byte 7 */ -+ -+ const union ddr_data_vref_adjust_reg ddr_vref_adjust = { -+ .en_dimm_vref_ca = 1, -+ .en_dimm_vref_ch0 = 1, -+ .en_dimm_vref_ch1 = 1, -+ .vccddq_hi_qnnn_h = vddhi, -+ .hi_z_timer_ctrl = 3, -+ }; -+ ctrl->dimm_vref = ddr_vref_adjust; -+ mchbar_write32(DDR_DATA_VREF_ADJUST, ddr_vref_adjust.raw); -+} -+ -+static uint32_t pi_code(const uint32_t code) -+{ -+ return code << 21 | code << 14 | code << 7 | code << 0; -+} -+ -+static void program_ddr_ca(struct sysinfo *ctrl, const bool vddhi) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ const union ddr_clk_controls_reg ddr_clk_controls = { -+ .dll_mask = 1, -+ .vccddq_hi = vddhi, -+ .lpddr_mode = ctrl->lpddr, -+ }; -+ mchbar_write32(DDR_CLK_ch_CONTROLS(channel), ddr_clk_controls.raw); -+ -+ const union ddr_cmd_controls_reg ddr_cmd_controls = { -+ .dll_mask = 1, -+ .vccddq_hi = vddhi, -+ .lpddr_mode = ctrl->lpddr, -+ .early_weak_drive = 3, -+ .cmd_tx_eq = 1, -+ }; -+ mchbar_write32(DDR_CMD_ch_CONTROLS(channel), ddr_cmd_controls.raw); -+ -+ const union ddr_cke_ctl_controls_reg ddr_cke_controls = { -+ .dll_mask = 1, -+ .vccddq_hi = vddhi, -+ .lpddr_mode = ctrl->lpddr, -+ .early_weak_drive = 3, -+ .cmd_tx_eq = 1, -+ .ctl_tx_eq = 1, -+ .ctl_sr_drv = 2, -+ }; -+ mchbar_write32(DDR_CKE_ch_CTL_CONTROLS(channel), ddr_cke_controls.raw); -+ -+ const union ddr_cke_ctl_controls_reg ddr_ctl_controls = { -+ .dll_mask = 1, -+ .vccddq_hi = vddhi, -+ .lpddr_mode = ctrl->lpddr, -+ .ctl_tx_eq = 1, -+ .ctl_sr_drv = 2, -+ .la_drv_en_ovrd = 1, /* Must be set on ULT */ -+ }; -+ mchbar_write32(DDR_CTL_ch_CTL_CONTROLS(channel), ddr_ctl_controls.raw); -+ -+ const uint8_t cmd_pi = ctrl->lpddr ? 96 : 64; -+ mchbar_write32(DDR_CMD_ch_PI_CODING(channel), pi_code(cmd_pi)); -+ mchbar_write32(DDR_CKE_ch_CMD_PI_CODING(channel), pi_code(cmd_pi)); -+ mchbar_write32(DDR_CKE_CTL_ch_CTL_PI_CODING(channel), pi_code(64)); -+ mchbar_write32(DDR_CLK_ch_PI_CODING(channel), pi_code(64)); -+ -+ mchbar_write32(DDR_CMD_ch_COMP_OFFSET(channel), 0); -+ mchbar_write32(DDR_CLK_ch_COMP_OFFSET(channel), 0); -+ mchbar_write32(DDR_CKE_CTL_ch_CTL_COMP_OFFSET(channel), 0); -+ -+ for (uint8_t group = 0; group < NUM_GROUPS; group++) { -+ ctrl->cke_cmd_pi_code[channel][group] = cmd_pi; -+ ctrl->cmd_north_pi_code[channel][group] = cmd_pi; -+ ctrl->cmd_south_pi_code[channel][group] = cmd_pi; -+ } -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ ctrl->clk_pi_code[channel][rank] = 64; -+ ctrl->ctl_pi_code[channel][rank] = 64; -+ } -+ } -+} -+ -+enum { -+ RCOMP_RD_ODT = 0, -+ RCOMP_WR_DS_DQ, -+ RCOMP_WR_DS_CMD, -+ RCOMP_WR_DS_CTL, -+ RCOMP_WR_DS_CLK, -+ RCOMP_MAX_CODES, -+}; -+ -+struct rcomp_info { -+ uint8_t resistor; -+ uint8_t sz_steps; -+ uint8_t target_r; -+ int8_t result; -+}; -+ -+static void program_rcomp_vref(struct sysinfo *ctrl, const bool dis_odt_static) -+{ -+ const bool is_ult = is_hsw_ult(); -+ /* -+ * +-------------------------------+ -+ * | Rcomp resistor values in ohms | -+ * +-----------+------+------+-----+ -+ * | Ball name | Trad | ULTX | Use | -+ * +-----------+------+------+-----+ -+ * | SM_RCOMP0 | 100 | 200 | CMD | -+ * | SM_RCOMP1 | 75 | 120 | DQ | -+ * | SM_RCOMP2 | 100 | 100 | ODT | -+ * +-----------+------+------+-----+ -+ */ -+ struct rcomp_info rcomp_cfg[RCOMP_MAX_CODES] = { -+ [RCOMP_RD_ODT] = { -+ .resistor = 50, -+ .sz_steps = 96, -+ .target_r = 50, -+ }, -+ [RCOMP_WR_DS_DQ] = { -+ .resistor = 25, -+ .sz_steps = 64, -+ .target_r = 33, -+ }, -+ [RCOMP_WR_DS_CMD] = { -+ .resistor = 20, -+ .sz_steps = 64, -+ .target_r = 20, -+ }, -+ [RCOMP_WR_DS_CTL] = { -+ .resistor = 20, -+ .sz_steps = 64, -+ .target_r = 20, -+ }, -+ [RCOMP_WR_DS_CLK] = { -+ .resistor = 25, -+ .sz_steps = 64, -+ .target_r = 29, -+ }, -+ }; -+ if (is_ult) { -+ rcomp_cfg[RCOMP_WR_DS_DQ].resistor = 40; -+ rcomp_cfg[RCOMP_WR_DS_DQ].target_r = 40; -+ rcomp_cfg[RCOMP_WR_DS_CLK].resistor = 40; -+ } else if (ctrl->dpc[0] == 2 || ctrl->dpc[1] == 2) { -+ rcomp_cfg[RCOMP_RD_ODT].target_r = 60; -+ } -+ for (uint8_t i = 0; i < RCOMP_MAX_CODES; i++) { -+ struct rcomp_info *const r = &rcomp_cfg[i]; -+ const int32_t div = 2 * (r->resistor + r->target_r); -+ assert(div); -+ const int32_t vref = (r->sz_steps * (r->resistor - r->target_r)) / div; -+ -+ /* DqOdt is 5 bits wide, the other Rcomp targets are 4 bits wide */ -+ const int8_t comp_limit = i == RCOMP_RD_ODT ? 16 : 8; -+ r->result = clamp_s32(-comp_limit, vref, comp_limit - 1); -+ } -+ const union ddr_comp_ctl_0_reg ddr_comp_ctl_0 = { -+ .disable_odt_static = dis_odt_static, -+ .dq_drv_vref = rcomp_cfg[RCOMP_WR_DS_DQ].result, -+ .dq_odt_vref = rcomp_cfg[RCOMP_RD_ODT].result, -+ .cmd_drv_vref = rcomp_cfg[RCOMP_WR_DS_CMD].result, -+ .ctl_drv_vref = rcomp_cfg[RCOMP_WR_DS_CTL].result, -+ .clk_drv_vref = rcomp_cfg[RCOMP_WR_DS_CLK].result, -+ }; -+ ctrl->comp_ctl_0 = ddr_comp_ctl_0; -+ mchbar_write32(DDR_COMP_CTL_0, ctrl->comp_ctl_0.raw); -+} -+ -+enum { -+ SCOMP_DQ = 0, -+ SCOMP_CMD, -+ SCOMP_CTL, -+ SCOMP_CLK, -+ SCOMP_MAX_CODES, -+}; -+ -+static void program_slew_rates(struct sysinfo *ctrl, const bool vddhi) -+{ -+ const uint8_t min_cycle_delay[SCOMP_MAX_CODES] = { 46, 70, 70, 46 }; -+ uint8_t buffer_stage_delay_ps[SCOMP_MAX_CODES] = { 59, 53, 53, 53 }; -+ uint16_t comp_slew_rate_codes[SCOMP_MAX_CODES]; -+ -+ /* CMD Slew Rate = 1.8 for 2N */ -+ if (ctrl->tCMD == 2) -+ buffer_stage_delay_ps[SCOMP_CMD] = 89; -+ -+ /* CMD Slew Rate = 4 V/ns for double-pumped CMD bus */ -+ if (ctrl->lpddr) -+ buffer_stage_delay_ps[SCOMP_CMD] = 63; -+ -+ for (uint8_t i = 0; i < SCOMP_MAX_CODES; i++) { -+ uint16_t stages = DIV_ROUND_CLOSEST(ctrl->qclkps, buffer_stage_delay_ps[i]); -+ if (stages < 5) -+ stages = 5; -+ -+ bool dll_pc = buffer_stage_delay_ps[i] < min_cycle_delay[i] || stages > 16; -+ -+ /* Lock DLL... */ -+ if (dll_pc) -+ comp_slew_rate_codes[i] = stages / 2 - 1; /* to a phase */ -+ else -+ comp_slew_rate_codes[i] = (stages - 1) | BIT(4); /* to a cycle */ -+ } -+ union ddr_comp_ctl_1_reg ddr_comp_ctl_1 = { -+ .dq_scomp = comp_slew_rate_codes[SCOMP_DQ], -+ .cmd_scomp = comp_slew_rate_codes[SCOMP_CMD], -+ .ctl_scomp = comp_slew_rate_codes[SCOMP_CTL], -+ .clk_scomp = comp_slew_rate_codes[SCOMP_CLK], -+ .vccddq_hi = vddhi, -+ }; -+ ctrl->comp_ctl_1 = ddr_comp_ctl_1; -+ mchbar_write32(DDR_COMP_CTL_1, ctrl->comp_ctl_1.raw); -+} -+ -+static uint32_t ln_x100(const uint32_t input_x100) -+{ -+ uint32_t val = input_x100; -+ uint32_t ret = 0; -+ while (val > 271) { -+ val = (val * 1000) / 2718; -+ ret += 100; -+ } -+ return ret + (-16 * val * val + 11578 * val - 978860) / 10000; -+} -+ -+static uint32_t compute_vsshi_vref(struct sysinfo *ctrl, const uint32_t vsshi_tgt, bool up) -+{ -+ const uint32_t delta = 15; -+ const uint32_t c_die_vsshi = 2000; -+ const uint32_t r_cmd_ref = 100 * 10; -+ const uint32_t offset = up ? 64 : 0; -+ const uint32_t ln_vsshi = ln_x100((100 * vsshi_tgt) / (vsshi_tgt - delta)); -+ const uint32_t r_target = (ctrl->qclkps * 2000) / (c_die_vsshi * ln_vsshi); -+ const uint32_t r_dividend = 128 * (up ? r_cmd_ref : r_target); -+ return r_dividend / (r_cmd_ref + r_target) - offset; -+} -+ -+static void program_vsshi(struct sysinfo *ctrl, const uint16_t vccio_mv, const uint16_t vsshi) -+{ -+ const uint16_t vsshi_down = vsshi + 24; /* Panic threshold of 24 mV */ -+ const uint16_t vsshi_up = vccio_mv - vsshi_down; -+ const union ddr_comp_vsshi_reg ddr_comp_vsshi = { -+ .panic_drv_down_vref = compute_vsshi_vref(ctrl, vsshi_down, false), -+ .panic_drv_up_vref = compute_vsshi_vref(ctrl, vsshi_up, true), -+ .vt_offset = 128 * 450 / vccio_mv / 2, -+ .vt_slope_a = 4, -+ }; -+ mchbar_write32(DDR_COMP_VSSHI, ddr_comp_vsshi.raw); -+} -+ -+static void program_misc(struct sysinfo *ctrl) -+{ -+ ctrl->misc_control_0.raw = mchbar_read32(DDR_SCRAM_MISC_CONTROL); -+ ctrl->misc_control_0.weaklock_latency = 12; -+ ctrl->misc_control_0.wl_sleep_cycles = 5; -+ ctrl->misc_control_0.wl_wake_cycles = 2; -+ mchbar_write32(DDR_SCRAM_MISC_CONTROL, ctrl->misc_control_0.raw); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ /* Keep scrambling disabled for training */ -+ mchbar_write32(DDR_SCRAMBLE_ch(channel), 0); -+ } -+} -+ -+/* Very weird, application-specific function */ -+static void override_comp(uint32_t value, uint32_t width, uint32_t shift, uint32_t offset) -+{ -+ const uint32_t mask = (1 << width) - 1; -+ uint32_t reg32 = mchbar_read32(offset); -+ reg32 &= ~(mask << shift); -+ reg32 |= (value << shift); -+ mchbar_write32(offset, reg32); -+} -+ -+static void program_ls_comp(struct sysinfo *ctrl) -+{ -+ /* Disable periodic COMP */ -+ const union pcu_comp_reg m_comp = { -+ .comp_disable = 1, -+ .comp_interval = COMP_INT, -+ .comp_force = 1, -+ }; -+ mchbar_write32(M_COMP, m_comp.raw); -+ udelay(10); -+ -+ /* Override level shifter compensation */ -+ const uint32_t ls_comp = 2; -+ override_comp(ls_comp, 3, 28, DDR_DATA_RCOMP_DATA_1); -+ override_comp(ls_comp, 3, 24, DDR_CMD_COMP); -+ override_comp(ls_comp, 3, 24, DDR_CKE_CTL_COMP); -+ override_comp(ls_comp, 3, 23, DDR_CLK_COMP); -+ override_comp(ls_comp, 3, 28, DDR_COMP_DATA_COMP_1); -+ override_comp(ls_comp, 3, 24, DDR_COMP_CMD_COMP); -+ override_comp(ls_comp, 4, 24, DDR_COMP_CTL_COMP); -+ override_comp(ls_comp, 4, 23, DDR_COMP_CLK_COMP); -+ override_comp(ls_comp, 3, 24, DDR_COMP_OVERRIDE); -+ -+ /* Manually update the COMP values */ -+ union ddr_scram_misc_control_reg ddr_scram_misc_ctrl = ctrl->misc_control_0; -+ ddr_scram_misc_ctrl.force_comp_update = 1; -+ mchbar_write32(DDR_SCRAM_MISC_CONTROL, ddr_scram_misc_ctrl.raw); -+ -+ /* Use a fixed offset between ODT Up/Dn */ -+ const union ddr_comp_data_comp_1_reg data_comp_1 = { -+ .raw = mchbar_read32(DDR_COMP_DATA_COMP_1), -+ }; -+ const uint32_t odt_offset = data_comp_1.rcomp_odt_down - data_comp_1.rcomp_odt_up; -+ ctrl->comp_ctl_0.odt_up_down_off = odt_offset; -+ ctrl->comp_ctl_0.fixed_odt_offset = 1; -+ mchbar_write32(DDR_COMP_CTL_0, ctrl->comp_ctl_0.raw); -+} -+ -+/** TODO: Deduplicate PCODE stuff, it's already implemented in CPU code **/ -+static bool pcode_ready(void) -+{ -+ const unsigned int delay_step = 10; -+ for (unsigned int i = 0; i < 1000; i += delay_step) { -+ if (!(mchbar_read32(BIOS_MAILBOX_INTERFACE) & MAILBOX_RUN_BUSY)) -+ return true; -+ -+ udelay(delay_step); -+ }; -+ return false; -+} -+ -+static uint32_t pcode_mailbox_read(const uint32_t command) -+{ -+ if (!pcode_ready()) { -+ printk(BIOS_ERR, "PCODE: mailbox timeout on wait ready\n"); -+ return 0; -+ } -+ mchbar_write32(BIOS_MAILBOX_INTERFACE, command | MAILBOX_RUN_BUSY); -+ if (!pcode_ready()) { -+ printk(BIOS_ERR, "PCODE: mailbox timeout on completion\n"); -+ return 0; -+ } -+ return mchbar_read32(BIOS_MAILBOX_DATA); -+} -+ -+static int pcode_mailbox_write(const uint32_t command, const uint32_t data) -+{ -+ if (!pcode_ready()) { -+ printk(BIOS_ERR, "PCODE: mailbox timeout on wait ready\n"); -+ return -1; -+ } -+ mchbar_write32(BIOS_MAILBOX_DATA, data); -+ mchbar_write32(BIOS_MAILBOX_INTERFACE, command | MAILBOX_RUN_BUSY); -+ if (!pcode_ready()) { -+ printk(BIOS_ERR, "PCODE: mailbox timeout on completion\n"); -+ return -1; -+ } -+ return 0; -+} -+ -+static void enable_2x_refresh(struct sysinfo *ctrl) -+{ -+ if (!CONFIG(ENABLE_DDR_2X_REFRESH)) -+ return; -+ -+ printk(BIOS_DEBUG, "Enabling 2x Refresh\n"); -+ const bool asr = ctrl->flags.asr; -+ const bool lpddr = ctrl->lpddr; -+ -+ /* Mutually exclusive */ -+ assert(!asr || !lpddr); -+ if (!asr) { -+ uint32_t reg32 = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_DDR_2X_REFRESH); -+ if (!(reg32 & BIT(31))) { /** TODO: What to do if this is locked? **/ -+ reg32 |= BIT(0); /* Enable 2x refresh */ -+ reg32 |= BIT(31); /* Lock */ -+ -+ if (lpddr) -+ reg32 |= 4 << 1; /* LPDDR MR4 1/2 tREFI */ -+ -+ if (pcode_mailbox_write(MAILBOX_BIOS_CMD_WRITE_DDR_2X_REFRESH, reg32)) -+ printk(BIOS_ERR, "Could not enable Mailbox 2x Refresh\n"); -+ } -+ if (!lpddr) -+ return; -+ } -+ assert(asr || lpddr); -+ uint16_t refi_reduction = 50; -+ if (lpddr) { -+ refi_reduction = 97; -+ mchbar_clrbits32(PCU_DDR_PTM_CTL, 1 << 7); /* DISABLE_DRAM_TS */ -+ } -+ /** TODO: Remember why this is only done on cold boots **/ -+ if (ctrl->bootmode == BOOTMODE_COLD) { -+ ctrl->tREFI *= refi_reduction; -+ ctrl->tREFI /= 100; -+ } -+} -+ -+static void set_pcu_ddr_voltage(const uint16_t vdd_mv) -+{ -+ /** TODO: Handle other voltages? **/ -+ uint32_t pcu_ddr_voltage; -+ switch (vdd_mv) { -+ case 1200: -+ pcu_ddr_voltage = 3; -+ break; -+ case 1350: -+ pcu_ddr_voltage = 1; -+ break; -+ default: -+ case 1500: -+ pcu_ddr_voltage = 0; -+ break; -+ } -+ /* Set bits 0..2 */ -+ mchbar_write32(PCU_DDR_VOLTAGE, pcu_ddr_voltage); -+} -+ -+static void program_scheduler(struct sysinfo *ctrl) -+{ -+ /* -+ * ZQ calibration needs to be serialized for LPDDR3. Otherwise, -+ * the processor issues LPDDR3 ZQ calibration in parallel when -+ * exiting Package C7 or deeper. This causes problems for dual -+ * and quad die packages since all ranks share the same ZQ pin. -+ * -+ * Erratum HSM94: LPDDR3 ZQ Calibration Following Deep Package -+ * C-state Exit May Lead to Unpredictable System Behavior -+ */ -+ const union mcscheds_cbit_reg mcscheds_cbit = { -+ .dis_write_gap = 1, -+ .dis_odt = is_hsw_ult() && !(ctrl->lpddr && ctrl->lpddr_dram_odt), -+ .serialize_zq = ctrl->lpddr, -+ }; -+ mchbar_write32(MCSCHEDS_CBIT, mcscheds_cbit.raw); -+ mchbar_write32(MCMNTS_SC_WDBWM, 0x553c3038); -+ if (ctrl->lpddr) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ union mcmain_command_rate_limit_reg cmd_rate_limit = { -+ .raw = mchbar_read32(COMMAND_RATE_LIMIT_ch(channel)), -+ }; -+ cmd_rate_limit.enable_cmd_limit = 1; -+ cmd_rate_limit.cmd_rate_limit = 3; -+ mchbar_write32(COMMAND_RATE_LIMIT_ch(channel), cmd_rate_limit.raw); -+ } -+ } -+} -+ -+static uint8_t biggest_channel(const struct sysinfo *const ctrl) -+{ -+ _Static_assert(NUM_CHANNELS == 2, "Code assumes exactly two channels"); -+ return !!(ctrl->channel_size_mb[0] < ctrl->channel_size_mb[1]); -+} -+ -+static void dram_zones(struct sysinfo *ctrl) -+{ -+ /** TODO: Activate channel hash here, if enabled **/ -+ const uint8_t biggest = biggest_channel(ctrl); -+ const uint8_t smaller = !biggest; -+ -+ /** TODO: Use stacked mode if Memory Trace is enabled **/ -+ const union mad_chnl_reg mad_channel = { -+ .ch_a = biggest, -+ .ch_b = smaller, -+ .ch_c = 2, -+ .lpddr_mode = ctrl->lpddr, -+ }; -+ mchbar_write32(MAD_CHNL, mad_channel.raw); -+ -+ const uint8_t channel_b_zone_size = ctrl->channel_size_mb[smaller] / 256; -+ const union mad_zr_reg mad_zr = { -+ .ch_b_double = channel_b_zone_size * 2, -+ .ch_b_single = channel_b_zone_size, -+ }; -+ mchbar_write32(MAD_ZR, mad_zr.raw); -+} -+ -+static uint8_t biggest_dimm(const struct raminit_dimm_info *dimms) -+{ -+ _Static_assert(NUM_SLOTS <= 2, "Code assumes at most two DIMMs per channel."); -+ if (NUM_SLOTS == 1) -+ return 0; -+ -+ return !!(dimms[0].data.size_mb < dimms[1].data.size_mb); -+} -+ -+static void dram_dimm_mapping(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) { -+ const union mad_dimm_reg mad_dimm = { -+ .rank_interleave = 1, -+ .enh_interleave = 1, -+ }; -+ mchbar_write32(MAD_DIMM(channel), mad_dimm.raw); -+ continue; -+ } -+ const uint8_t biggest = biggest_dimm(ctrl->dimms[channel]); -+ const uint8_t smaller = !biggest; -+ const struct dimm_attr_ddr3_st *dimm_a = &ctrl->dimms[channel][biggest].data; -+ const struct dimm_attr_ddr3_st *dimm_b = &ctrl->dimms[channel][smaller].data; -+ union mad_dimm_reg mad_dimm = { -+ .dimm_a_size = dimm_a->size_mb / 256, -+ .dimm_b_size = dimm_b->size_mb / 256, -+ .dimm_a_sel = biggest, -+ .dimm_a_ranks = dimm_a->ranks == 2, -+ .dimm_b_ranks = dimm_b->ranks == 2, -+ .dimm_a_width = dimm_a->width == 16, -+ .dimm_b_width = dimm_b->width == 16, -+ .rank_interleave = 1, -+ .enh_interleave = 1, -+ .ecc_mode = 0, /* Do not enable ECC yet */ -+ }; -+ if (is_hsw_ult()) -+ mad_dimm.dimm_b_width = mad_dimm.dimm_a_width; -+ -+ mchbar_write32(MAD_DIMM(channel), mad_dimm.raw); -+ if (ctrl->lpddr) -+ die("%s: Missing LPDDR support (LPDDR_MR_PARAMS)\n", __func__); -+ } -+} -+ -+enum raminit_status configure_mc(struct sysinfo *ctrl) -+{ -+ const uint16_t vccio_mv = 1000; -+ const uint16_t vsshi_mv = ctrl->vdd_mv - 950; -+ const bool dis_odt_static = is_hsw_ult(); /* Disable static ODT legs on ULT */ -+ const bool vddhi = ctrl->vdd_mv > 1350; -+ -+ program_misc_control(ctrl); -+ program_mrc_revision(); -+ program_ranks_used(ctrl); -+ program_ddr_data(ctrl, dis_odt_static, vddhi); -+ program_vsshi_control(ctrl, vsshi_mv); -+ program_dimm_vref(ctrl, vccio_mv, vddhi); -+ program_ddr_ca(ctrl, vddhi); -+ program_rcomp_vref(ctrl, dis_odt_static); -+ program_slew_rates(ctrl, vddhi); -+ program_vsshi(ctrl, vccio_mv, vsshi_mv); -+ program_misc(ctrl); -+ program_ls_comp(ctrl); -+ enable_2x_refresh(ctrl); -+ set_pcu_ddr_voltage(ctrl->vdd_mv); -+ configure_timings(ctrl); -+ configure_refresh(ctrl); -+ program_scheduler(ctrl); -+ dram_zones(ctrl); -+ dram_dimm_mapping(ctrl); -+ -+ return RAMINIT_STATUS_SUCCESS; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 5f2be980d4..3a773cfa19 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -23,6 +23,7 @@ static const struct task_entry cold_boot[] = { - { collect_spd_info, true, "PROCSPD", }, - { initialise_mpll, true, "INITMPLL", }, - { convert_timings, true, "CONVTIM", }, -+ { configure_mc, true, "CONFMC", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -@@ -54,6 +55,7 @@ static void initialize_ctrl(struct sysinfo *ctrl) - - ctrl->cpu = cpu_get_cpuid(); - ctrl->stepping = get_stepping(ctrl->cpu); -+ ctrl->vdd_mv = is_hsw_ult() ? 1350 : 1500; /** FIXME: Hardcoded, does it matter? **/ - ctrl->dq_pins_interleaved = cfg->dq_pins_interleaved; - ctrl->bootmode = bootmode; - } -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 01e5ed1bd6..aa86b9aa39 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -3,15 +3,40 @@ - #ifndef HASWELL_RAMINIT_NATIVE_H - #define HASWELL_RAMINIT_NATIVE_H - -+#include <assert.h> - #include <device/dram/ddr3.h> - #include <northbridge/intel/haswell/haswell.h> -+#include <string.h> -+#include <types.h> -+ -+#include "reg_structs.h" - - #define SPD_LEN 256 - -+/* Each channel has 4 ranks, spread across 2 slots */ -+#define NUM_SLOTRANKS 4 -+ -+#define NUM_GROUPS 2 -+ - /* 8 data lanes + 1 ECC lane */ - #define NUM_LANES 9 - #define NUM_LANES_NO_ECC 8 - -+#define COMP_INT 10 -+ -+/* Always use 12 legs for emphasis (not trained) */ -+#define TXEQFULLDRV (3 << 4) -+ -+enum command_training_iteration { -+ CT_ITERATION_CLOCK = 0, -+ CT_ITERATION_CMD_NORTH, -+ CT_ITERATION_CMD_SOUTH, -+ CT_ITERATION_CKE, -+ CT_ITERATION_CTL, -+ CT_ITERATION_CMD_VREF, -+ MAX_CT_ITERATION, -+}; -+ - enum raminit_boot_mode { - BOOTMODE_COLD, - BOOTMODE_WARM, -@@ -57,6 +82,9 @@ struct sysinfo { - * LPDDR-specific functions have stubs which will halt upon execution. - */ - bool lpddr; -+ bool lpddr_dram_odt; -+ uint8_t lpddr_cke_rank_map[NUM_CHANNELS]; -+ uint8_t dq_byte_map[NUM_CHANNELS][MAX_CT_ITERATION][2]; - - struct raminit_dimm_info dimms[NUM_CHANNELS][NUM_SLOTS]; - union dimm_flags_ddr3_st flags; -@@ -93,16 +121,89 @@ struct sysinfo { - uint32_t mem_clock_mhz; - uint32_t mem_clock_fs; /* Memory clock period in femtoseconds */ - uint32_t qclkps; /* Quadrature clock period in picoseconds */ -+ -+ uint16_t vdd_mv; -+ -+ union ddr_scram_misc_control_reg misc_control_0; -+ -+ union ddr_comp_ctl_0_reg comp_ctl_0; -+ union ddr_comp_ctl_1_reg comp_ctl_1; -+ -+ union ddr_data_vref_adjust_reg dimm_vref; -+ -+ uint32_t data_offset_train[NUM_CHANNELS][NUM_LANES]; -+ uint32_t data_offset_comp[NUM_CHANNELS][NUM_LANES]; -+ -+ uint32_t dq_control_0[NUM_CHANNELS]; -+ uint32_t dq_control_1[NUM_CHANNELS][NUM_LANES]; -+ uint32_t dq_control_2[NUM_CHANNELS][NUM_LANES]; -+ -+ uint16_t tx_dq[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ uint16_t txdqs[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ uint8_t tx_eq[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ -+ uint16_t rcven[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ uint8_t rx_eq[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ uint8_t rxdqsp[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ uint8_t rxdqsn[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ int8_t rxvref[NUM_CHANNELS][NUM_SLOTRANKS][NUM_LANES]; -+ -+ uint8_t clk_pi_code[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint8_t ctl_pi_code[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint8_t cke_pi_code[NUM_CHANNELS][NUM_SLOTRANKS]; -+ -+ uint8_t cke_cmd_pi_code[NUM_CHANNELS][NUM_GROUPS]; -+ uint8_t cmd_north_pi_code[NUM_CHANNELS][NUM_GROUPS]; -+ uint8_t cmd_south_pi_code[NUM_CHANNELS][NUM_GROUPS]; - }; - -+static inline bool is_hsw_ult(void) -+{ -+ return CONFIG(INTEL_LYNXPOINT_LP); -+} -+ -+static inline bool rank_in_mask(uint8_t rank, uint8_t rankmask) -+{ -+ assert(rank < NUM_SLOTRANKS); -+ return !!(BIT(rank) & rankmask); -+} -+ -+static inline bool does_ch_exist(const struct sysinfo *ctrl, uint8_t channel) -+{ -+ return !!ctrl->dpc[channel]; -+} -+ -+static inline bool does_rank_exist(const struct sysinfo *ctrl, uint8_t rank) -+{ -+ return rank_in_mask(rank, ctrl->rankmap[0] | ctrl->rankmap[1]); -+} -+ -+static inline bool rank_in_ch(const struct sysinfo *ctrl, uint8_t rank, uint8_t channel) -+{ -+ assert(channel < NUM_CHANNELS); -+ return rank_in_mask(rank, ctrl->rankmap[channel]); -+} -+ -+/** TODO: Handling of data_offset_train could be improved, also coupled with reg updates **/ -+static inline void clear_data_offset_train_all(struct sysinfo *ctrl) -+{ -+ memset(ctrl->data_offset_train, 0, sizeof(ctrl->data_offset_train)); -+} -+ - void raminit_main(enum raminit_boot_mode bootmode); - - enum raminit_status collect_spd_info(struct sysinfo *ctrl); - enum raminit_status initialise_mpll(struct sysinfo *ctrl); - enum raminit_status convert_timings(struct sysinfo *ctrl); -+enum raminit_status configure_mc(struct sysinfo *ctrl); -+ -+void configure_timings(struct sysinfo *ctrl); -+void configure_refresh(struct sysinfo *ctrl); - - enum raminit_status wait_for_first_rcomp(void); - -+uint8_t get_rx_bias(const struct sysinfo *ctrl); -+ - uint8_t get_tCWL(uint32_t mem_clock_mhz); - uint32_t get_tREFI(uint32_t mem_clock_mhz); - uint32_t get_tXP(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -new file mode 100644 -index 0000000000..d11cda4b3d ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -0,0 +1,405 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#ifndef HASWELL_RAMINIT_REG_STRUCTS_H -+#define HASWELL_RAMINIT_REG_STRUCTS_H -+ -+union ddr_data_rx_train_rank_reg { -+ struct __packed { -+ uint32_t rcven : 9; // Bits 8:0 -+ uint32_t dqs_p : 6; // Bits 14:9 -+ uint32_t rx_eq : 5; // Bits 19:15 -+ uint32_t dqs_n : 6; // Bits 25:20 -+ int32_t vref : 6; // Bits 31:26 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_data_tx_train_rank_reg { -+ struct __packed { -+ uint32_t dq_delay : 9; // Bits 8:0 -+ uint32_t dqs_delay : 9; // Bits 17:9 -+ uint32_t : 2; // Bits 19:18 -+ uint32_t tx_eq : 6; // Bits 25:20 -+ uint32_t : 6; // Bits 31:26 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_data_control_0_reg { -+ struct __packed { -+ uint32_t rx_training_mode : 1; // Bits 0:0 -+ uint32_t wl_training_mode : 1; // Bits 1:1 -+ uint32_t rl_training_mode : 1; // Bits 2:2 -+ uint32_t samp_train_mode : 1; // Bits 3:3 -+ uint32_t tx_on : 1; // Bits 4:4 -+ uint32_t rf_on : 1; // Bits 5:5 -+ uint32_t rx_pi_on : 1; // Bits 6:6 -+ uint32_t tx_pi_on : 1; // Bits 7:7 -+ uint32_t internal_clocks_on : 1; // Bits 8:8 -+ uint32_t repeater_clocks_on : 1; // Bits 9:9 -+ uint32_t tx_disable : 1; // Bits 10:10 -+ uint32_t rx_disable : 1; // Bits 11:11 -+ uint32_t tx_long : 1; // Bits 12:12 -+ uint32_t rx_dqs_ctle : 2; // Bits 14:13 -+ uint32_t rx_read_pointer : 3; // Bits 17:15 -+ uint32_t driver_segment_enable : 1; // Bits 18:18 -+ uint32_t data_vccddq_hi : 1; // Bits 19:19 -+ uint32_t read_rf_rd : 1; // Bits 20:20 -+ uint32_t read_rf_wr : 1; // Bits 21:21 -+ uint32_t read_rf_rank : 2; // Bits 23:22 -+ uint32_t force_odt_on : 1; // Bits 24:24 -+ uint32_t odt_samp_off : 1; // Bits 25:25 -+ uint32_t disable_odt_static : 1; // Bits 26:26 -+ uint32_t ddr_cr_force_odt_on : 1; // Bits 27:27 -+ uint32_t lpddr_mode : 1; // Bits 28:28 -+ uint32_t en_read_preamble : 1; // Bits 29:29 -+ uint32_t odt_samp_extend_en : 1; // Bits 30:30 -+ uint32_t early_rleak_en : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_data_control_1_reg { -+ struct __packed { -+ int32_t ref_pi : 4; // Bits 3:0 -+ uint32_t dll_mask : 2; // Bits 5:4 -+ uint32_t dll_weaklock : 1; // Bits 6:6 -+ uint32_t sdll_segment_disable : 3; // Bits 9:7 -+ uint32_t rx_bias_ctl : 3; // Bits 12:10 -+ int32_t odt_delay : 4; // Bits 16:13 -+ uint32_t odt_duration : 3; // Bits 19:17 -+ int32_t sense_amp_delay : 4; // Bits 23:20 -+ uint32_t sense_amp_duration : 3; // Bits 26:24 -+ uint32_t burst_end_odt_delay : 3; // Bits 29:27 *** TODO: Check Broadwell *** -+ uint32_t lpddr_long_odt_en : 1; // Bits 30:30 -+ uint32_t : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+/* NOTE: Bits 31:19 are only valid for Broadwell onwards */ -+union ddr_data_control_2_reg { -+ struct __packed { -+ uint32_t rx_stagger_ctl : 5; // Bits 4:0 -+ uint32_t force_bias_on : 1; // Bits 5:5 -+ uint32_t force_rx_on : 1; // Bits 6:6 -+ uint32_t leaker_comp : 2; // Bits 8:7 -+ uint32_t rx_dqs_amp_offset : 4; // Bits 12:9 -+ uint32_t rx_clk_stg_num : 5; // Bits 17:13 -+ uint32_t wl_long_delay : 1; // Bits 18:18 -+ uint32_t enable_vref_pwrdn : 1; // Bits 19:19 -+ uint32_t ddr4_mode : 1; // Bits 20:20 -+ uint32_t en_vddq_odt : 1; // Bits 21:21 -+ uint32_t en_vtt_odt : 1; // Bits 22:22 -+ uint32_t en_const_z_eq_tx : 1; // Bits 23:23 -+ uint32_t tx_eq_dis : 1; // Bits 24:24 -+ uint32_t rx_vref_prog_mfc : 1; // Bits 25:25 -+ uint32_t cben : 3; // Bits 28:26 -+ uint32_t tx_deskew_disable : 1; // Bits 29:29 -+ uint32_t rx_deskew_disable : 1; // Bits 30:30 -+ uint32_t dq_slew_dly_byp : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_comp_data_comp_1_reg { -+ struct __packed { -+ uint32_t rcomp_odt_up : 6; // Bits 5:0 -+ uint32_t : 3; // Bits 8:6 -+ uint32_t rcomp_odt_down : 6; // Bits 14:9 -+ uint32_t : 1; // Bits 15:15 -+ uint32_t panic_drv_down : 6; // Bits 21:16 -+ uint32_t panic_drv_up : 6; // Bits 27:22 -+ uint32_t ls_comp : 3; // Bits 30:28 -+ uint32_t : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_comp_ctl_0_reg { -+ struct __packed { -+ uint32_t : 3; // Bits 2:0 -+ uint32_t disable_odt_static : 1; // Bits 3:3 -+ uint32_t odt_up_down_off : 6; // Bits 9:4 -+ uint32_t fixed_odt_offset : 1; // Bits 10:10 -+ int32_t dq_drv_vref : 4; // Bits 14:11 -+ int32_t dq_odt_vref : 5; // Bits 19:15 -+ int32_t cmd_drv_vref : 4; // Bits 23:20 -+ int32_t ctl_drv_vref : 4; // Bits 27:24 -+ int32_t clk_drv_vref : 4; // Bits 31:28 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_comp_ctl_1_reg { -+ struct __packed { -+ uint32_t dq_scomp : 5; // Bits 4:0 -+ uint32_t cmd_scomp : 5; // Bits 9:5 -+ uint32_t ctl_scomp : 5; // Bits 14:10 -+ uint32_t clk_scomp : 5; // Bits 19:15 -+ uint32_t tco_cmd_offset : 4; // Bits 23:20 -+ uint32_t comp_clk_on : 1; // Bits 24:24 -+ uint32_t vccddq_hi : 1; // Bits 25:25 -+ uint32_t : 3; // Bits 28:26 -+ uint32_t dis_quick_comp : 1; // Bits 29:29 -+ uint32_t sin_step : 1; // Bits 30:30 -+ uint32_t sin_step_adv : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_data_vref_adjust_reg { -+ struct __packed { -+ int32_t ca_vref_ctrl : 7;// Bits 6:0 -+ int32_t ch1_vref_ctrl : 7;// Bits 13:7 -+ int32_t ch0_vref_ctrl : 7;// Bits 20:14 -+ uint32_t en_dimm_vref_ca : 1;// Bits 21:21 -+ uint32_t en_dimm_vref_ch1 : 1;// Bits 22:22 -+ uint32_t en_dimm_vref_ch0 : 1;// Bits 23:23 -+ uint32_t hi_z_timer_ctrl : 2;// Bits 25:24 -+ uint32_t vccddq_hi_qnnn_h : 1;// Bits 26:26 -+ uint32_t : 2;// Bits 28:27 -+ uint32_t ca_slow_bw : 1;// Bits 29:29 -+ uint32_t ch0_slow_bw : 1;// Bits 30:30 -+ uint32_t ch1_slow_bw : 1;// Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_data_vref_control_reg { -+ struct __packed { -+ uint32_t hi_bw_divider : 2; // Bits 1:0 -+ uint32_t lo_bw_divider : 2; // Bits 3:2 -+ uint32_t sample_divider : 3; // Bits 6:4 -+ uint32_t open_loop : 1; // Bits 7:7 -+ uint32_t slow_bw_error : 2; // Bits 9:8 -+ uint32_t hi_bw_enable : 1; // Bits 10:10 -+ uint32_t : 1; // Bits 11:11 -+ uint32_t vt_slope_b : 3; // Bits 14:12 -+ uint32_t vt_slope_a : 3; // Bits 17:15 -+ uint32_t vt_offset : 3; // Bits 20:18 -+ uint32_t sel_code : 3; // Bits 23:21 -+ uint32_t output_code : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_comp_vsshi_reg { -+ struct __packed { -+ uint32_t panic_drv_down_vref : 6; // Bits 5:0 -+ uint32_t panic_drv_up_vref : 6; // Bits 11:6 -+ uint32_t vt_offset : 5; // Bits 16:12 -+ uint32_t vt_slope_a : 3; // Bits 19:17 -+ uint32_t vt_slope_b : 3; // Bits 22:20 -+ uint32_t : 9; // Bits 31:23 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_comp_vsshi_control_reg { -+ struct __packed { -+ uint32_t vsshi_target : 6; // Bits 5:0 -+ uint32_t hi_bw_divider : 2; // Bits 7:6 -+ uint32_t lo_bw_divider : 2; // Bits 9:8 -+ uint32_t sample_divider : 3; // Bits 12:10 -+ uint32_t open_loop : 1; // Bits 13:13 -+ uint32_t bw_error : 2; // Bits 15:14 -+ uint32_t panic_driver_en : 1; // Bits 16:16 -+ uint32_t : 1; // Bits 17:17 -+ uint32_t panic_voltage : 4; // Bits 21:18 -+ uint32_t gain_boost : 1; // Bits 22:22 -+ uint32_t sel_code : 1; // Bits 23:23 -+ uint32_t output_code : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_clk_controls_reg { -+ struct __packed { -+ uint32_t ref_pi : 4; // Bits 3:0 -+ uint32_t dll_mask : 2; // Bits 5:4 -+ uint32_t : 1; // Bits 6:6 -+ uint32_t tx_on : 1; // Bits 7:7 -+ uint32_t internal_clocks_on : 1; // Bits 8:8 -+ uint32_t repeater_clocks_on : 1; // Bits 9:9 -+ uint32_t io_lb_ctl : 2; // Bits 11:10 -+ uint32_t odt_mode : 1; // Bits 12:12 -+ uint32_t : 8; // Bits 20:13 -+ uint32_t rx_vref : 6; // Bits 26:21 -+ uint32_t vccddq_hi : 1; // Bits 27:27 -+ uint32_t dll_weaklock : 1; // Bits 28:28 -+ uint32_t lpddr_mode : 1; // Bits 29:29 -+ uint32_t : 2; // Bits 31:30 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_cmd_controls_reg { -+ struct __packed { -+ int32_t ref_pi : 4; // Bits 3:0 -+ uint32_t dll_mask : 2; // Bits 5:4 -+ uint32_t : 1; // Bits 6:6 -+ uint32_t tx_on : 1; // Bits 7:7 -+ uint32_t internal_clocks_on : 1; // Bits 8:8 -+ uint32_t repeater_clocks_on : 1; // Bits 9:9 -+ uint32_t io_lb_ctl : 2; // Bits 11:10 -+ uint32_t odt_mode : 1; // Bits 12:12 -+ uint32_t cmd_tx_eq : 2; // Bits 14:13 -+ uint32_t early_weak_drive : 2; // Bits 16:15 -+ uint32_t : 4; // Bits 20:17 -+ int32_t rx_vref : 6; // Bits 26:21 -+ uint32_t vccddq_hi : 1; // Bits 27:27 -+ uint32_t dll_weaklock : 1; // Bits 28:28 -+ uint32_t lpddr_mode : 1; // Bits 29:29 -+ uint32_t lpddr_ca_a_dis : 1; // Bits 30:30 -+ uint32_t lpddr_ca_b_dis : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+/* Same register definition for CKE and CTL fubs */ -+union ddr_cke_ctl_controls_reg { -+ struct __packed { -+ int32_t ref_pi : 4; // Bits 3:0 -+ uint32_t dll_mask : 2; // Bits 5:4 -+ uint32_t : 1; // Bits 6:6 -+ uint32_t tx_on : 1; // Bits 7:7 -+ uint32_t internal_clocks_on : 1; // Bits 8:8 -+ uint32_t repeater_clocks_on : 1; // Bits 9:9 -+ uint32_t io_lb_ctl : 2; // Bits 11:10 -+ uint32_t odt_mode : 1; // Bits 12:12 -+ uint32_t cmd_tx_eq : 2; // Bits 14:13 -+ uint32_t early_weak_drive : 2; // Bits 16:15 -+ uint32_t ctl_tx_eq : 2; // Bits 18:17 -+ uint32_t ctl_sr_drv : 2; // Bits 20:19 -+ int32_t rx_vref : 6; // Bits 26:21 -+ uint32_t vccddq_hi : 1; // Bits 27:27 -+ uint32_t dll_weaklock : 1; // Bits 28:28 -+ uint32_t lpddr_mode : 1; // Bits 29:29 -+ uint32_t la_drv_en_ovrd : 1; // Bits 30:30 -+ uint32_t lpddr_ca_a_dis : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union ddr_scram_misc_control_reg { -+ struct __packed { -+ uint32_t wl_wake_cycles : 2; // Bits 1:0 -+ uint32_t wl_sleep_cycles : 3; // Bits 4:2 -+ uint32_t force_comp_update : 1; // Bits 5:5 -+ uint32_t weaklock_latency : 4; // Bits 9:6 -+ uint32_t ddr_no_ch_interleave : 1; // Bits 10:10 -+ uint32_t lpddr_mode : 1; // Bits 11:11 -+ uint32_t cke_mapping_ch0 : 4; // Bits 15:12 -+ uint32_t cke_mapping_ch1 : 4; // Bits 19:16 -+ uint32_t : 12; // Bits 31:20 -+ }; -+ uint32_t raw; -+}; -+ -+union mcscheds_cbit_reg { -+ struct __packed { -+ uint32_t dis_opp_cas : 1; // Bits 0:0 -+ uint32_t dis_opp_is_cas : 1; // Bits 1:1 -+ uint32_t dis_opp_ras : 1; // Bits 2:2 -+ uint32_t dis_opp_is_ras : 1; // Bits 3:3 -+ uint32_t dis_1c_byp : 1; // Bits 4:4 -+ uint32_t dis_2c_byp : 1; // Bits 5:5 -+ uint32_t dis_deprd_opt : 1; // Bits 6:6 -+ uint32_t dis_pt_it : 1; // Bits 7:7 -+ uint32_t dis_prcnt_ring : 1; // Bits 8:8 -+ uint32_t dis_prcnt_sa : 1; // Bits 9:9 -+ uint32_t dis_blkr_ph : 1; // Bits 10:10 -+ uint32_t dis_blkr_pe : 1; // Bits 11:11 -+ uint32_t dis_blkr_pm : 1; // Bits 12:12 -+ uint32_t dis_odt : 1; // Bits 13:13 -+ uint32_t oe_always_off : 1; // Bits 14:14 -+ uint32_t : 1; // Bits 15:15 -+ uint32_t dis_aom : 1; // Bits 16:16 -+ uint32_t block_rpq : 1; // Bits 17:17 -+ uint32_t block_wpq : 1; // Bits 18:18 -+ uint32_t invert_align : 1; // Bits 19:19 -+ uint32_t dis_write_gap : 1; // Bits 20:20 -+ uint32_t dis_zq : 1; // Bits 21:21 -+ uint32_t dis_tt : 1; // Bits 22:22 -+ uint32_t dis_opp_ref : 1; // Bits 23:23 -+ uint32_t long_zq : 1; // Bits 24:24 -+ uint32_t dis_srx_zq : 1; // Bits 25:25 -+ uint32_t serialize_zq : 1; // Bits 26:26 -+ uint32_t zq_fast_exec : 1; // Bits 27:27 -+ uint32_t dis_drive_nop : 1; // Bits 28:28 -+ uint32_t pres_wdb_ent : 1; // Bits 29:29 -+ uint32_t dis_clk_gate : 1; // Bits 30:30 -+ uint32_t : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union mcmain_command_rate_limit_reg { -+ struct __packed { -+ uint32_t enable_cmd_limit : 1; // Bits 0:0 -+ uint32_t cmd_rate_limit : 3; // Bits 3:1 -+ uint32_t reset_on_command : 4; // Bits 7:4 -+ uint32_t reset_delay : 4; // Bits 11:8 -+ uint32_t ck_to_cke_delay : 2; // Bits 13:12 -+ uint32_t : 17; // Bits 30:14 -+ uint32_t init_mrw_2n_cs : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union mad_chnl_reg { -+ struct __packed { -+ uint32_t ch_a : 2; // Bits 1:0 -+ uint32_t ch_b : 2; // Bits 3:2 -+ uint32_t ch_c : 2; // Bits 5:4 -+ uint32_t stacked_mode : 1; // Bits 6:6 -+ uint32_t stkd_mode_bits : 3; // Bits 9:7 -+ uint32_t lpddr_mode : 1; // Bits 10:10 -+ uint32_t : 21; // Bits 31:11 -+ }; -+ uint32_t raw; -+}; -+ -+union mad_dimm_reg { -+ struct __packed { -+ uint32_t dimm_a_size : 8; // Bits 7:0 -+ uint32_t dimm_b_size : 8; // Bits 15:8 -+ uint32_t dimm_a_sel : 1; // Bits 16:16 -+ uint32_t dimm_a_ranks : 1; // Bits 17:17 -+ uint32_t dimm_b_ranks : 1; // Bits 18:18 -+ uint32_t dimm_a_width : 1; // Bits 19:19 -+ uint32_t dimm_b_width : 1; // Bits 20:20 -+ uint32_t rank_interleave : 1; // Bits 21:21 -+ uint32_t enh_interleave : 1; // Bits 22:22 -+ uint32_t : 1; // Bits 23:23 -+ uint32_t ecc_mode : 2; // Bits 25:24 -+ uint32_t hori_mode : 1; // Bits 26:26 -+ uint32_t hori_address : 3; // Bits 29:27 -+ uint32_t : 2; // Bits 31:30 -+ }; -+ uint32_t raw; -+}; -+ -+union mad_zr_reg { -+ struct __packed { -+ uint32_t : 16; // Bits 15:0 -+ uint32_t ch_b_double : 8; // Bits 23:16 -+ uint32_t ch_b_single : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ -+/* Same definition for P_COMP, M_COMP, D_COMP */ -+union pcu_comp_reg { -+ struct __packed { -+ uint32_t comp_disable : 1; // Bits 0:0 -+ uint32_t comp_interval : 4; // Bits 4:1 -+ uint32_t : 3; // Bits 7:5 -+ uint32_t comp_force : 1; // Bits 8:8 -+ uint32_t : 23; // Bits 31:9 -+ }; -+ uint32_t raw; -+}; -+ -+#endif -diff --git a/src/northbridge/intel/haswell/native_raminit/timings_refresh.c b/src/northbridge/intel/haswell/native_raminit/timings_refresh.c -new file mode 100644 -index 0000000000..a9d960f31b ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/timings_refresh.c -@@ -0,0 +1,13 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include "raminit_native.h" -+ -+void configure_timings(struct sysinfo *ctrl) -+{ -+ /** TODO: Stub **/ -+} -+ -+void configure_refresh(struct sysinfo *ctrl) -+{ -+ /** TODO: Stub **/ -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 45f8174995..4c3f399b5d 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -7,9 +7,98 @@ - #define NUM_CHANNELS 2 - #define NUM_SLOTS 2 - -+/* Indexed register helper macros */ -+#define _DDRIO_C_R_B(r, ch, rank, byte) ((r) + 0x100 * (ch) + 0x4 * (rank) + 0x200 * (byte)) -+#define _MCMAIN_C_X(r, ch, x) ((r) + 0x400 * (ch) + 0x4 * (x)) -+#define _MCMAIN_C(r, ch) ((r) + 0x400 * (ch)) -+ - /* Register definitions */ -+ -+/* DDR DATA per-channel per-bytelane */ -+#define DQ_CONTROL_2(ch, byte) _DDRIO_C_R_B(0x0064, ch, 0, byte) -+ -+/* DDR CKE per-channel */ -+#define DDR_CKE_ch_CMD_COMP_OFFSET(ch) _DDRIO_C_R_B(0x1204, ch, 0, 0) -+#define DDR_CKE_ch_CMD_PI_CODING(ch) _DDRIO_C_R_B(0x1208, ch, 0, 0) -+ -+#define DDR_CKE_ch_CTL_CONTROLS(ch) _DDRIO_C_R_B(0x121c, ch, 0, 0) -+#define DDR_CKE_ch_CTL_RANKS_USED(ch) _DDRIO_C_R_B(0x1220, ch, 0, 0) -+ -+/* DDR CTL per-channel */ -+#define DDR_CTL_ch_CTL_CONTROLS(ch) _DDRIO_C_R_B(0x1c1c, ch, 0, 0) -+#define DDR_CTL_ch_CTL_RANKS_USED(ch) _DDRIO_C_R_B(0x1c20, ch, 0, 0) -+ -+/* DDR CLK per-channel */ -+#define DDR_CLK_ch_RANKS_USED(ch) _DDRIO_C_R_B(0x1800, ch, 0, 0) -+#define DDR_CLK_ch_COMP_OFFSET(ch) _DDRIO_C_R_B(0x1808, ch, 0, 0) -+#define DDR_CLK_ch_PI_CODING(ch) _DDRIO_C_R_B(0x180c, ch, 0, 0) -+#define DDR_CLK_ch_CONTROLS(ch) _DDRIO_C_R_B(0x1810, ch, 0, 0) -+ -+/* DDR Scrambler */ -+#define DDR_SCRAMBLE_ch(ch) (0x2000 + 4 * (ch)) -+#define DDR_SCRAM_MISC_CONTROL 0x2008 -+ -+/* DDR CMDN/CMDS per-channel (writes go to both CMDN and CMDS fubs) */ -+#define DDR_CMD_ch_COMP_OFFSET(ch) _DDRIO_C_R_B(0x3204, ch, 0, 0) -+#define DDR_CMD_ch_PI_CODING(ch) _DDRIO_C_R_B(0x3208, ch, 0, 0) -+#define DDR_CMD_ch_CONTROLS(ch) _DDRIO_C_R_B(0x320c, ch, 0, 0) -+ -+/* DDR CKE/CTL per-channel (writes go to both CKE and CTL fubs) */ -+#define DDR_CKE_CTL_ch_CTL_COMP_OFFSET(ch) _DDRIO_C_R_B(0x3414, ch, 0, 0) -+#define DDR_CKE_CTL_ch_CTL_PI_CODING(ch) _DDRIO_C_R_B(0x3418, ch, 0, 0) -+ -+/* DDR DATA broadcast */ -+#define DDR_DATA_RX_TRAIN_RANK(rank) _DDRIO_C_R_B(0x3600, 0, rank, 0) -+#define DDR_DATA_RX_PER_BIT_RANK(rank) _DDRIO_C_R_B(0x3610, 0, rank, 0) -+#define DDR_DATA_TX_TRAIN_RANK(rank) _DDRIO_C_R_B(0x3620, 0, rank, 0) -+#define DDR_DATA_TX_PER_BIT_RANK(rank) _DDRIO_C_R_B(0x3630, 0, rank, 0) -+ -+#define DDR_DATA_RCOMP_DATA_1 0x3644 -+#define DDR_DATA_TX_XTALK 0x3648 -+#define DDR_DATA_RX_OFFSET_VDQ 0x364c -+#define DDR_DATA_OFFSET_COMP 0x365c -+#define DDR_DATA_CONTROL_1 0x3660 -+ -+#define DDR_DATA_OFFSET_TRAIN 0x3670 -+#define DDR_DATA_CONTROL_0 0x3674 -+#define DDR_DATA_VREF_ADJUST 0x3678 -+ -+/* DDR CMD broadcast */ -+#define DDR_CMD_COMP 0x3700 -+ -+/* DDR CKE/CTL broadcast */ -+#define DDR_CKE_CTL_COMP 0x3810 -+ -+/* DDR CLK broadcast */ -+#define DDR_CLK_COMP 0x3904 -+#define DDR_CLK_CONTROLS 0x3910 -+#define DDR_CLK_CB_STATUS 0x3918 -+ -+/* DDR COMP (global) */ -+#define DDR_COMP_DATA_COMP_1 0x3a04 -+#define DDR_COMP_CMD_COMP 0x3a08 -+#define DDR_COMP_CTL_COMP 0x3a0c -+#define DDR_COMP_CLK_COMP 0x3a10 -+#define DDR_COMP_CTL_0 0x3a14 -+#define DDR_COMP_CTL_1 0x3a18 -+#define DDR_COMP_VSSHI 0x3a1c -+#define DDR_COMP_OVERRIDE 0x3a20 -+#define DDR_COMP_VSSHI_CONTROL 0x3a24 -+ -+/* MCMAIN per-channel */ -+#define COMMAND_RATE_LIMIT_ch(ch) _MCMAIN_C(0x4010, ch) -+ -+#define MC_INIT_STATE_ch(ch) _MCMAIN_C(0x42a0, ch) -+ -+/* MCMAIN broadcast */ -+#define MCSCHEDS_CBIT 0x4c20 -+ -+#define MCMNTS_SC_WDBWM 0x4f8c -+ -+/* MCDECS */ - #define MAD_CHNL 0x5000 /* Address Decoder Channel Configuration */ - #define MAD_DIMM(ch) (0x5004 + (ch) * 4) -+#define MAD_ZR 0x5014 - #define MC_INIT_STATE_G 0x5030 - #define MRC_REVISION 0x5034 /* MRC Revision */ - -@@ -28,6 +117,8 @@ - - #define PCU_DDR_PTM_CTL 0x5880 - -+#define PCU_DDR_VOLTAGE 0x58a4 -+ - /* Some power MSRs are also represented in MCHBAR */ - #define MCH_PKG_POWER_LIMIT_LO 0x59a0 - #define MCH_PKG_POWER_LIMIT_HI 0x59a4 -@@ -48,6 +139,8 @@ - #define MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL 0x909 - #define MAILBOX_BIOS_CMD_READ_PCH_POWER 0xa - #define MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT 0xb -+#define MAILBOX_BIOS_CMD_READ_DDR_2X_REFRESH 0x17 -+#define MAILBOX_BIOS_CMD_WRITE_DDR_2X_REFRESH 0x18 - #define MAILBOX_BIOS_CMD_READ_C9C10_VOLTAGE 0x26 - #define MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE 0x27 - -@@ -66,6 +159,7 @@ - #define MC_BIOS_REQ 0x5e00 /* Memory frequency request register */ - #define MC_BIOS_DATA 0x5e04 /* Miscellaneous information for BIOS */ - #define SAPMCTL 0x5f00 -+#define M_COMP 0x5f08 - - #define HDAUDRID 0x6008 - #define UMAGFXCTL 0x6020 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch b/resources/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch deleted file mode 100644 index 1b88f350..00000000 --- a/resources/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch +++ /dev/null @@ -1,541 +0,0 @@ -From b64d728bfe7c8ee44af252338257e95d87864659 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 20:59:58 +0200 -Subject: [PATCH 14/26] haswell NRI: Add timings/refresh programming - -Program the registers with timing and refresh parameters. - -Change-Id: Id2ea339d2c9ea8b56c71d6e88ec76949653ff5c2 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/lookup_timings.c | 102 ++++++++ - .../haswell/native_raminit/raminit_native.h | 14 ++ - .../haswell/native_raminit/reg_structs.h | 93 +++++++ - .../haswell/native_raminit/timings_refresh.c | 233 +++++++++++++++++- - .../intel/haswell/registers/mchbar.h | 12 + - 5 files changed, 452 insertions(+), 2 deletions(-) - -diff --git a/src/northbridge/intel/haswell/native_raminit/lookup_timings.c b/src/northbridge/intel/haswell/native_raminit/lookup_timings.c -index 038686c844..afe2c615d2 100644 ---- a/src/northbridge/intel/haswell/native_raminit/lookup_timings.c -+++ b/src/northbridge/intel/haswell/native_raminit/lookup_timings.c -@@ -60,3 +60,105 @@ uint32_t get_tXP(const uint32_t mem_clock_mhz) - }; - return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); - } -+ -+static uint32_t get_lpddr_tCKE(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 533, 4 }, -+ { 666, 5 }, -+ { fmax, 6 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+static uint32_t get_ddr_tCKE(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 533, 3 }, -+ { 800, 4 }, -+ { 933, 5 }, -+ { 1200, 6 }, -+ { fmax, 7 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+uint32_t get_tCKE(const uint32_t mem_clock_mhz, const bool lpddr) -+{ -+ return lpddr ? get_lpddr_tCKE(mem_clock_mhz) : get_ddr_tCKE(mem_clock_mhz); -+} -+ -+uint32_t get_tXPDLL(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 400, 10 }, -+ { 533, 13 }, -+ { 666, 16 }, -+ { 800, 20 }, -+ { 933, 23 }, -+ { 1066, 26 }, -+ { 1200, 29 }, -+ { fmax, 32 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+uint32_t get_tAONPD(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 400, 4 }, -+ { 533, 5 }, -+ { 666, 6 }, -+ { 800, 7 }, /* SNB had 8 */ -+ { 933, 8 }, -+ { 1066, 10 }, -+ { 1200, 11 }, -+ { fmax, 12 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+uint32_t get_tMOD(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 800, 12 }, -+ { 933, 14 }, -+ { 1066, 16 }, -+ { 1200, 18 }, -+ { fmax, 20 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+uint32_t get_tXS_offset(const uint32_t mem_clock_mhz) -+{ -+ return DIV_ROUND_UP(mem_clock_mhz, 100); -+} -+ -+static uint32_t get_lpddr_tZQOPER(const uint32_t mem_clock_mhz) -+{ -+ return (mem_clock_mhz * 360) / 1000; -+} -+ -+static uint32_t get_ddr_tZQOPER(const uint32_t mem_clock_mhz) -+{ -+ const struct timing_lookup lut[] = { -+ { 800, 256 }, -+ { 933, 299 }, -+ { 1066, 342 }, -+ { 1200, 384 }, -+ { fmax, 427 }, -+ }; -+ return lookup_timing(mem_clock_mhz, lut, ARRAY_SIZE(lut)); -+} -+ -+/* tZQOPER defines the period required for ZQCL after SR exit */ -+uint32_t get_tZQOPER(const uint32_t mem_clock_mhz, const bool lpddr) -+{ -+ return lpddr ? get_lpddr_tZQOPER(mem_clock_mhz) : get_ddr_tZQOPER(mem_clock_mhz); -+} -+ -+uint32_t get_tZQCS(const uint32_t mem_clock_mhz, const bool lpddr) -+{ -+ return DIV_ROUND_UP(get_tZQOPER(mem_clock_mhz, lpddr), 4); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index aa86b9aa39..cd1f2eb2a5 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -155,6 +155,12 @@ struct sysinfo { - uint8_t cke_cmd_pi_code[NUM_CHANNELS][NUM_GROUPS]; - uint8_t cmd_north_pi_code[NUM_CHANNELS][NUM_GROUPS]; - uint8_t cmd_south_pi_code[NUM_CHANNELS][NUM_GROUPS]; -+ -+ union tc_bank_reg tc_bank[NUM_CHANNELS]; -+ union tc_bank_rank_a_reg tc_bankrank_a[NUM_CHANNELS]; -+ union tc_bank_rank_b_reg tc_bankrank_b[NUM_CHANNELS]; -+ union tc_bank_rank_c_reg tc_bankrank_c[NUM_CHANNELS]; -+ union tc_bank_rank_d_reg tc_bankrank_d[NUM_CHANNELS]; - }; - - static inline bool is_hsw_ult(void) -@@ -200,6 +206,14 @@ enum raminit_status configure_mc(struct sysinfo *ctrl); - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); - -+uint32_t get_tCKE(uint32_t mem_clock_mhz, bool lpddr); -+uint32_t get_tXPDLL(uint32_t mem_clock_mhz); -+uint32_t get_tAONPD(uint32_t mem_clock_mhz); -+uint32_t get_tMOD(uint32_t mem_clock_mhz); -+uint32_t get_tXS_offset(uint32_t mem_clock_mhz); -+uint32_t get_tZQOPER(uint32_t mem_clock_mhz, bool lpddr); -+uint32_t get_tZQCS(uint32_t mem_clock_mhz, bool lpddr); -+ - enum raminit_status wait_for_first_rcomp(void); - - uint8_t get_rx_bias(const struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index d11cda4b3d..70487e1640 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -335,6 +335,99 @@ union mcscheds_cbit_reg { - uint32_t raw; - }; - -+union tc_bank_reg { -+ struct __packed { -+ uint32_t tRCD : 5; // Bits 4:0 -+ uint32_t tRP : 5; // Bits 9:5 -+ uint32_t tRAS : 6; // Bits 15:10 -+ uint32_t tRDPRE : 4; // Bits 19:16 -+ uint32_t tWRPRE : 6; // Bits 25:20 -+ uint32_t tRRD : 4; // Bits 29:26 -+ uint32_t tRPab_ext : 2; // Bits 31:30 -+ }; -+ uint32_t raw; -+}; -+ -+union tc_bank_rank_a_reg { -+ struct __packed { -+ uint32_t tCKE : 4; // Bits 3:0 -+ uint32_t tFAW : 8; // Bits 11:4 -+ uint32_t tRDRD_sr : 3; // Bits 14:12 -+ uint32_t tRDRD_dr : 4; // Bits 18:15 -+ uint32_t tRDRD_dd : 4; // Bits 22:19 -+ uint32_t tRDPDEN : 5; // Bits 27:23 -+ uint32_t : 1; // Bits 28:28 -+ uint32_t cmd_3st_dis : 1; // Bits 29:29 -+ uint32_t cmd_stretch : 2; // Bits 31:30 -+ }; -+ uint32_t raw; -+}; -+ -+union tc_bank_rank_b_reg { -+ struct __packed { -+ uint32_t tWRRD_sr : 6; // Bits 5:0 -+ uint32_t tWRRD_dr : 4; // Bits 9:6 -+ uint32_t tWRRD_dd : 4; // Bits 13:10 -+ uint32_t tWRWR_sr : 3; // Bits 16:14 -+ uint32_t tWRWR_dr : 4; // Bits 20:17 -+ uint32_t tWRWR_dd : 4; // Bits 24:21 -+ uint32_t tWRPDEN : 6; // Bits 30:25 -+ uint32_t dec_wrd : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union tc_bank_rank_c_reg { -+ struct __packed { -+ uint32_t tXPDLL : 6; // Bits 5:0 -+ uint32_t tXP : 4; // Bits 9:6 -+ uint32_t tAONPD : 4; // Bits 13:10 -+ uint32_t tRDWR_sr : 5; // Bits 18:14 -+ uint32_t tRDWR_dr : 5; // Bits 23:19 -+ uint32_t tRDWR_dd : 5; // Bits 28:24 -+ uint32_t : 3; // Bits 31:29 -+ }; -+ uint32_t raw; -+}; -+ -+/* NOTE: Non-ULT only implements the lower 21 bits (odt_write_delay is 2 bits) */ -+union tc_bank_rank_d_reg { -+ struct __packed { -+ uint32_t tAA : 5; // Bits 4:0 -+ uint32_t tCWL : 5; // Bits 9:5 -+ uint32_t tCPDED : 2; // Bits 11:10 -+ uint32_t tPRPDEN : 2; // Bits 13:12 -+ uint32_t odt_read_delay : 3; // Bits 16:14 -+ uint32_t odt_read_duration : 2; // Bits 18:17 -+ uint32_t odt_write_duration : 3; // Bits 21:19 -+ uint32_t odt_write_delay : 3; // Bits 24:22 -+ uint32_t odt_always_rank_0 : 1; // Bits 25:25 -+ uint32_t cmd_delay : 2; // Bits 27:26 -+ uint32_t : 4; // Bits 31:28 -+ }; -+ uint32_t raw; -+}; -+ -+union tc_rftp_reg { -+ struct __packed { -+ uint32_t tREFI : 16; // Bits 15:0 -+ uint32_t tRFC : 9; // Bits 24:16 -+ uint32_t tREFIx9 : 7; // Bits 31:25 -+ }; -+ uint32_t raw; -+}; -+ -+union tc_srftp_reg { -+ struct __packed { -+ uint32_t tXSDLL : 12; // Bits 11:0 -+ uint32_t tXS_offset : 4; // Bits 15:12 -+ uint32_t tZQOPER : 10; // Bits 25:16 -+ uint32_t : 2; // Bits 27:26 -+ uint32_t tMOD : 4; // Bits 31:28 -+ }; -+ uint32_t raw; -+}; -+ - union mcmain_command_rate_limit_reg { - struct __packed { - uint32_t enable_cmd_limit : 1; // Bits 0:0 -diff --git a/src/northbridge/intel/haswell/native_raminit/timings_refresh.c b/src/northbridge/intel/haswell/native_raminit/timings_refresh.c -index a9d960f31b..20a05b359b 100644 ---- a/src/northbridge/intel/haswell/native_raminit/timings_refresh.c -+++ b/src/northbridge/intel/haswell/native_raminit/timings_refresh.c -@@ -1,13 +1,242 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - -+#include <assert.h> -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <delay.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+ - #include "raminit_native.h" - -+#define BL 8 /* Burst length */ -+#define tCCD 4 -+#define tRPRE 1 -+#define tWPRE 1 -+#define tDLLK 512 -+ -+static bool is_sodimm(const enum spd_dimm_type_ddr3 type) -+{ -+ return type == SPD_DDR3_DIMM_TYPE_SO_DIMM || type == SPD_DDR3_DIMM_TYPE_72B_SO_UDIMM; -+} -+ -+static uint8_t get_odt_stretch(const struct sysinfo *const ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ /* Only stretch with 2 DIMMs per channel */ -+ if (ctrl->dpc[channel] != 2) -+ continue; -+ -+ const struct raminit_dimm_info *dimms = ctrl->dimms[channel]; -+ -+ /* Only stretch when using SO-DIMMs */ -+ if (!is_sodimm(dimms[0].data.dimm_type) || !is_sodimm(dimms[1].data.dimm_type)) -+ continue; -+ -+ /* Only stretch with mismatched card types */ -+ if (dimms[0].data.reference_card == dimms[1].data.reference_card) -+ continue; -+ -+ /* Stretch if one SO-DIMM is card F */ -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (dimms[slot].data.reference_card == 5) -+ return 1; -+ } -+ } -+ return 0; -+} -+ -+static union tc_bank_reg make_tc_bank(struct sysinfo *const ctrl) -+{ -+ return (union tc_bank_reg) { -+ .tRCD = ctrl->tRCD, -+ .tRP = ctrl->tRP, -+ .tRAS = ctrl->tRAS, -+ .tRDPRE = ctrl->tRTP, -+ .tWRPRE = 4 + ctrl->tCWL + ctrl->tWR, -+ .tRRD = ctrl->tRRD, -+ .tRPab_ext = 0, /** TODO: For LPDDR, this is ctrl->tRPab - ctrl->tRP **/ -+ }; -+} -+ -+static union tc_bank_rank_a_reg make_tc_bankrank_a(struct sysinfo *ctrl, uint8_t odt_stretch) -+{ -+ /* Use 3N mode for DDR during training, but always use 1N mode for LPDDR */ -+ const uint32_t tCMD = ctrl->lpddr ? 0 : 3; -+ const uint32_t tRDRD_drdd = BL / 2 + 1 + tRPRE + odt_stretch + !!ctrl->lpddr; -+ -+ return (union tc_bank_rank_a_reg) { -+ .tCKE = get_tCKE(ctrl->mem_clock_mhz, ctrl->lpddr), -+ .tFAW = ctrl->tFAW, -+ .tRDRD_sr = tCCD, -+ .tRDRD_dr = tRDRD_drdd, -+ .tRDRD_dd = tRDRD_drdd, -+ .tRDPDEN = ctrl->tAA + BL / 2 + 1, -+ .cmd_3st_dis = 1, /* Disable command tri-state before training */ -+ .cmd_stretch = tCMD, -+ }; -+} -+ -+static union tc_bank_rank_b_reg make_tc_bankrank_b(struct sysinfo *const ctrl) -+{ -+ const uint8_t tWRRD_drdd = ctrl->tCWL - ctrl->tAA + BL / 2 + 2 + tRPRE; -+ const uint8_t tWRWR_drdd = BL / 2 + 2 + tWPRE; -+ -+ return (union tc_bank_rank_b_reg) { -+ .tWRRD_sr = tCCD + ctrl->tCWL + ctrl->tWTR + 2, -+ .tWRRD_dr = ctrl->lpddr ? 8 : tWRRD_drdd, -+ .tWRRD_dd = ctrl->lpddr ? 8 : tWRRD_drdd, -+ .tWRWR_sr = tCCD, -+ .tWRWR_dr = tWRWR_drdd, -+ .tWRWR_dd = tWRWR_drdd, -+ .tWRPDEN = ctrl->tWR + ctrl->tCWL + BL / 2, -+ .dec_wrd = ctrl->tCWL >= 6, -+ }; -+} -+ -+static uint32_t get_tRDWR_sr(const struct sysinfo *ctrl) -+{ -+ if (ctrl->lpddr) { -+ const uint32_t tdqsck_max = DIV_ROUND_UP(5500, ctrl->qclkps * 2); -+ return ctrl->tAA - ctrl->tCWL + tCCD + tWPRE + tdqsck_max + 1; -+ } else { -+ const bool fast_clock = ctrl->mem_clock_mhz > 666; -+ return ctrl->tAA - ctrl->tCWL + tCCD + tWPRE + 2 + fast_clock; -+ } -+} -+ -+static union tc_bank_rank_c_reg make_tc_bankrank_c(struct sysinfo *ctrl, uint8_t odt_stretch) -+{ -+ const uint32_t tRDWR_sr = get_tRDWR_sr(ctrl); -+ const uint32_t tRDWR_drdd = tRDWR_sr + odt_stretch; -+ -+ return (union tc_bank_rank_c_reg) { -+ .tXPDLL = get_tXPDLL(ctrl->mem_clock_mhz), -+ .tXP = MAX(ctrl->tXP, 7), /* Use a higher tXP for training */ -+ .tAONPD = get_tAONPD(ctrl->mem_clock_mhz), -+ .tRDWR_sr = tRDWR_sr, -+ .tRDWR_dr = tRDWR_drdd, -+ .tRDWR_dd = tRDWR_drdd, -+ }; -+} -+ -+static union tc_bank_rank_d_reg make_tc_bankrank_d(struct sysinfo *ctrl, uint8_t odt_stretch) -+{ -+ const uint32_t odt_rd_delay = ctrl->tAA - ctrl->tCWL; -+ if (!ctrl->lpddr) { -+ return (union tc_bank_rank_d_reg) { -+ .tAA = ctrl->tAA, -+ .tCWL = ctrl->tCWL, -+ .tCPDED = 1, -+ .tPRPDEN = 1, -+ .odt_read_delay = odt_rd_delay, -+ .odt_read_duration = odt_stretch, -+ }; -+ } -+ -+ /* tCWL has 1 extra clock because of tDQSS, subtract it here */ -+ const uint32_t tCWL_lpddr = ctrl->tCWL - 1; -+ const uint32_t odt_wr_delay = tCWL_lpddr + DIV_ROUND_UP(3500, ctrl->qclkps * 2); -+ const uint32_t odt_wr_duration = DIV_ROUND_UP(3500 - 1750, ctrl->qclkps * 2) + 1; -+ -+ return (union tc_bank_rank_d_reg) { -+ .tAA = ctrl->tAA, -+ .tCWL = tCWL_lpddr, -+ .tCPDED = 2, /* Required by JEDEC LPDDR3 spec */ -+ .tPRPDEN = 1, -+ .odt_read_delay = odt_rd_delay, -+ .odt_read_duration = odt_stretch, -+ .odt_write_delay = odt_wr_delay, -+ .odt_write_duration = odt_wr_duration, -+ .odt_always_rank_0 = ctrl->lpddr_dram_odt -+ }; -+} -+ -+/* ZQCS period values, in (tREFI * 128) units */ -+#define ZQCS_PERIOD_DDR3 128 /* tREFI * 128 = 7.8 us * 128 = 1ms */ -+#define ZQCS_PERIOD_LPDDR3 256 /* tREFI * 128 = 3.9 us * 128 = 0.5ms */ -+ -+static uint32_t make_tc_zqcal(const struct sysinfo *const ctrl) -+{ -+ const uint32_t zqcs_period = ctrl->lpddr ? ZQCS_PERIOD_LPDDR3 : ZQCS_PERIOD_DDR3; -+ const uint32_t tZQCS = get_tZQCS(ctrl->mem_clock_mhz, ctrl->lpddr); -+ return tZQCS << (is_hsw_ult() ? 10 : 8) | zqcs_period; -+} -+ -+static union tc_rftp_reg make_tc_rftp(const struct sysinfo *const ctrl) -+{ -+ /* -+ * The tREFIx9 field should be programmed to minimum of 8.9 * tREFI (to allow -+ * for possible delays from ZQ or isoc) and tRASmax (70us) divided by 1024. -+ */ -+ return (union tc_rftp_reg) { -+ .tREFI = ctrl->tREFI, -+ .tRFC = ctrl->tRFC, -+ .tREFIx9 = ctrl->tREFI * 89 / 10240, -+ }; -+} -+ -+static union tc_srftp_reg make_tc_srftp(const struct sysinfo *const ctrl) -+{ -+ return (union tc_srftp_reg) { -+ .tXSDLL = tDLLK, -+ .tXS_offset = get_tXS_offset(ctrl->mem_clock_mhz), -+ .tZQOPER = get_tZQOPER(ctrl->mem_clock_mhz, ctrl->lpddr), -+ .tMOD = get_tMOD(ctrl->mem_clock_mhz) - 8, -+ }; -+} -+ - void configure_timings(struct sysinfo *ctrl) - { -- /** TODO: Stub **/ -+ if (ctrl->lpddr) -+ die("%s: Missing support for LPDDR\n"); -+ -+ const uint8_t odt_stretch = get_odt_stretch(ctrl); -+ const union tc_bank_reg tc_bank = make_tc_bank(ctrl); -+ const union tc_bank_rank_a_reg tc_bank_rank_a = make_tc_bankrank_a(ctrl, odt_stretch); -+ const union tc_bank_rank_b_reg tc_bank_rank_b = make_tc_bankrank_b(ctrl); -+ const union tc_bank_rank_c_reg tc_bank_rank_c = make_tc_bankrank_c(ctrl, odt_stretch); -+ const union tc_bank_rank_d_reg tc_bank_rank_d = make_tc_bankrank_d(ctrl, odt_stretch); -+ -+ const uint8_t wr_delay = tc_bank_rank_b.dec_wrd + 1; -+ uint8_t sc_wr_add_delay = 0; -+ sc_wr_add_delay |= wr_delay << 0; -+ sc_wr_add_delay |= wr_delay << 2; -+ sc_wr_add_delay |= wr_delay << 4; -+ sc_wr_add_delay |= wr_delay << 6; -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ ctrl->tc_bank[channel] = tc_bank; -+ ctrl->tc_bankrank_a[channel] = tc_bank_rank_a; -+ ctrl->tc_bankrank_b[channel] = tc_bank_rank_b; -+ ctrl->tc_bankrank_c[channel] = tc_bank_rank_c; -+ ctrl->tc_bankrank_d[channel] = tc_bank_rank_d; -+ -+ mchbar_write32(TC_BANK_ch(channel), ctrl->tc_bank[channel].raw); -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), ctrl->tc_bankrank_a[channel].raw); -+ mchbar_write32(TC_BANK_RANK_B_ch(channel), ctrl->tc_bankrank_b[channel].raw); -+ mchbar_write32(TC_BANK_RANK_C_ch(channel), ctrl->tc_bankrank_c[channel].raw); -+ mchbar_write32(TC_BANK_RANK_D_ch(channel), ctrl->tc_bankrank_d[channel].raw); -+ mchbar_write8(SC_WR_ADD_DELAY_ch(channel), sc_wr_add_delay); -+ } - } - - void configure_refresh(struct sysinfo *ctrl) - { -- /** TODO: Stub **/ -+ const union tc_srftp_reg tc_srftp = make_tc_srftp(ctrl); -+ const union tc_rftp_reg tc_rftp = make_tc_rftp(ctrl); -+ const uint32_t tc_zqcal = make_tc_zqcal(ctrl); -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ mchbar_setbits32(TC_RFP_ch(channel), 0xff); -+ mchbar_write32(TC_RFTP_ch(channel), tc_rftp.raw); -+ mchbar_write32(TC_SRFTP_ch(channel), tc_srftp.raw); -+ mchbar_write32(TC_ZQCAL_ch(channel), tc_zqcal); -+ } - } -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 4c3f399b5d..2acc5cbbc8 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -86,9 +86,21 @@ - #define DDR_COMP_VSSHI_CONTROL 0x3a24 - - /* MCMAIN per-channel */ -+#define TC_BANK_ch(ch) _MCMAIN_C(0x4000, ch) -+#define TC_BANK_RANK_A_ch(ch) _MCMAIN_C(0x4004, ch) -+#define TC_BANK_RANK_B_ch(ch) _MCMAIN_C(0x4008, ch) -+#define TC_BANK_RANK_C_ch(ch) _MCMAIN_C(0x400c, ch) - #define COMMAND_RATE_LIMIT_ch(ch) _MCMAIN_C(0x4010, ch) -+#define TC_BANK_RANK_D_ch(ch) _MCMAIN_C(0x4014, ch) -+#define SC_ROUNDT_LAT_ch(ch) _MCMAIN_C(0x4024, ch) - -+#define SC_WR_ADD_DELAY_ch(ch) _MCMAIN_C(0x40d0, ch) -+ -+#define TC_ZQCAL_ch(ch) _MCMAIN_C(0x4290, ch) -+#define TC_RFP_ch(ch) _MCMAIN_C(0x4294, ch) -+#define TC_RFTP_ch(ch) _MCMAIN_C(0x4298, ch) - #define MC_INIT_STATE_ch(ch) _MCMAIN_C(0x42a0, ch) -+#define TC_SRFTP_ch(ch) _MCMAIN_C(0x42a4, ch) - - /* MCMAIN broadcast */ - #define MCSCHEDS_CBIT 0x4c20 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0015-haswell-NRI-Program-memory-map.patch b/resources/coreboot/haswell/patches/0015-haswell-NRI-Program-memory-map.patch deleted file mode 100644 index ad8527b2..00000000 --- a/resources/coreboot/haswell/patches/0015-haswell-NRI-Program-memory-map.patch +++ /dev/null @@ -1,263 +0,0 @@ -From 89ff35083af68d1b24c1633886202ecc153af67d Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 21:24:50 +0200 -Subject: [PATCH 15/26] haswell NRI: Program memory map - -This is very similar to Sandy/Ivy Bridge, except that there's several -registers to program in GDXCBAR. One of these GDXCBAR registers has a -lock bit that must be set in order for the memory controller to allow -normal access to DRAM. And it took me four months to realize this one -bit was the only reason why native raminit did not work. - -Change-Id: I3af73a018a7ba948701a542e661e7fefd57591fe -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../intel/haswell/native_raminit/memory_map.c | 183 ++++++++++++++++++ - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 1 + - .../intel/haswell/registers/host_bridge.h | 2 + - 5 files changed, 188 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/memory_map.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index fc55277a65..37d527e972 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -4,6 +4,7 @@ romstage-y += configure_mc.c - romstage-y += lookup_timings.c - romstage-y += init_mpll.c - romstage-y += io_comp_control.c -+romstage-y += memory_map.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c - romstage-y += spd_bitmunching.c -diff --git a/src/northbridge/intel/haswell/native_raminit/memory_map.c b/src/northbridge/intel/haswell/native_raminit/memory_map.c -new file mode 100644 -index 0000000000..e3aded2b37 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/memory_map.c -@@ -0,0 +1,183 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <southbridge/intel/lynxpoint/me.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+/* GDXCBAR */ -+#define MPCOHTRK_GDXC_MOT_ADDRESS_LO 0x10 -+#define MPCOHTRK_GDXC_MOT_ADDRESS_HI 0x14 -+#define MPCOHTRK_GDXC_MOT_REGION 0x18 -+ -+#define MPCOHTRK_GDXC_OCLA_ADDRESS_LO 0x20 -+#define MPCOHTRK_GDXC_OCLA_ADDRESS_HI 0x24 -+#define MPCOHTRK_GDXC_OCLA_REGION 0x28 -+ -+/* This lock bit made me lose what little sanity I had left. - Angel Pons */ -+#define MPCOHTRK_GDXC_OCLA_ADDRESS_HI_LOCK BIT(2) -+ -+static inline uint32_t gdxcbar_read32(const uintptr_t offset) -+{ -+ return read32p((mchbar_read32(GDXCBAR) & ~1) + offset); -+} -+ -+static inline void gdxcbar_write32(const uintptr_t offset, const uint32_t value) -+{ -+ write32p((mchbar_read32(GDXCBAR) & ~1) + offset, value); -+} -+ -+static inline void gdxcbar_clrsetbits32(const uintptr_t offset, uint32_t clear, uint32_t set) -+{ -+ const uintptr_t address = (mchbar_read32(GDXCBAR) & ~1) + offset; -+ clrsetbits32((void *)address, clear, set); -+} -+ -+#define gdxcbar_setbits32(offset, set) gdxcbar_clrsetbits32(offset, 0, set) -+#define gdxcbar_clrbits32(offset, clear) gdxcbar_clrsetbits32(offset, clear, 0) -+ -+/* All values stored in here (except the bool) are specified in MiB */ -+struct memory_map_data { -+ uint32_t dpr_size; -+ uint32_t tseg_size; -+ uint32_t gtt_size; -+ uint32_t gms_size; -+ uint32_t me_stolen_size; -+ uint32_t mmio_size; -+ uint32_t touud; -+ uint32_t remaplimit; -+ uint32_t remapbase; -+ uint32_t tom; -+ uint32_t tom_minus_me; -+ uint32_t tolud; -+ uint32_t bdsm_base; -+ uint32_t gtt_base; -+ uint32_t tseg_base; -+ bool reclaim_possible; -+}; -+ -+static void compute_memory_map(struct memory_map_data *map) -+{ -+ map->tom_minus_me = map->tom - map->me_stolen_size; -+ -+ /* -+ * MMIO size will actually be slightly smaller than computed, -+ * but matches what MRC does and is more MTRR-friendly given -+ * that TSEG is treated as WB, but SMRR makes TSEG UC anyway. -+ */ -+ const uint32_t mmio_size = MIN(map->tom_minus_me, 4096) / 2; -+ map->gtt_base = ALIGN_DOWN(mmio_size, map->tseg_size); -+ map->tseg_base = map->gtt_base - map->tseg_size; -+ map->bdsm_base = map->gtt_base + map->gtt_size; -+ map->tolud = map->bdsm_base + map->gms_size; -+ map->reclaim_possible = map->tom_minus_me > map->tolud; -+ -+ if (map->reclaim_possible) { -+ map->remapbase = MAX(4096, map->tom_minus_me); -+ map->touud = MIN(4096, map->tom_minus_me) + map->remapbase - map->tolud; -+ map->remaplimit = map->touud - 1; -+ } else { -+ map->remapbase = 0; -+ map->remaplimit = 0; -+ map->touud = map->tom_minus_me; -+ } -+} -+ -+static void display_memory_map(const struct memory_map_data *map) -+{ -+ if (!CONFIG(DEBUG_RAM_SETUP)) -+ return; -+ -+ printk(BIOS_DEBUG, "============ MEMORY MAP ============\n"); -+ printk(BIOS_DEBUG, "\n"); -+ printk(BIOS_DEBUG, "dpr_size = %u MiB\n", map->dpr_size); -+ printk(BIOS_DEBUG, "tseg_size = %u MiB\n", map->tseg_size); -+ printk(BIOS_DEBUG, "gtt_size = %u MiB\n", map->gtt_size); -+ printk(BIOS_DEBUG, "gms_size = %u MiB\n", map->gms_size); -+ printk(BIOS_DEBUG, "me_stolen_size = %u MiB\n", map->me_stolen_size); -+ printk(BIOS_DEBUG, "\n"); -+ printk(BIOS_DEBUG, "touud = %u MiB\n", map->touud); -+ printk(BIOS_DEBUG, "remaplimit = %u MiB\n", map->remaplimit); -+ printk(BIOS_DEBUG, "remapbase = %u MiB\n", map->remapbase); -+ printk(BIOS_DEBUG, "tom = %u MiB\n", map->tom); -+ printk(BIOS_DEBUG, "tom_minus_me = %u MiB\n", map->tom_minus_me); -+ printk(BIOS_DEBUG, "tolud = %u MiB\n", map->tolud); -+ printk(BIOS_DEBUG, "bdsm_base = %u MiB\n", map->bdsm_base); -+ printk(BIOS_DEBUG, "gtt_base = %u MiB\n", map->gtt_base); -+ printk(BIOS_DEBUG, "tseg_base = %u MiB\n", map->tseg_base); -+ printk(BIOS_DEBUG, "\n"); -+ printk(BIOS_DEBUG, "reclaim_possible = %s\n", map->reclaim_possible ? "Yes" : "No"); -+} -+ -+static void map_write_reg64(const uint16_t reg, const uint64_t size) -+{ -+ const uint64_t value = size << 20; -+ pci_write_config32(HOST_BRIDGE, reg + 4, value >> 32); -+ pci_write_config32(HOST_BRIDGE, reg + 0, value >> 0); -+} -+ -+static void map_write_reg32(const uint16_t reg, const uint32_t size) -+{ -+ const uint32_t value = size << 20; -+ pci_write_config32(HOST_BRIDGE, reg, value); -+} -+ -+static void program_memory_map(const struct memory_map_data *map) -+{ -+ map_write_reg64(TOUUD, map->touud); -+ map_write_reg64(TOM, map->tom); -+ if (map->reclaim_possible) { -+ map_write_reg64(REMAPBASE, map->remapbase); -+ map_write_reg64(REMAPLIMIT, map->remaplimit); -+ } -+ if (map->me_stolen_size) { -+ map_write_reg64(MESEG_LIMIT, 0x80000 - map->me_stolen_size); -+ map_write_reg64(MESEG_BASE, map->tom_minus_me); -+ pci_or_config32(HOST_BRIDGE, MESEG_LIMIT, ME_STLEN_EN); -+ } -+ map_write_reg32(TOLUD, map->tolud); -+ map_write_reg32(BDSM, map->bdsm_base); -+ map_write_reg32(BGSM, map->gtt_base); -+ map_write_reg32(TSEG, map->tseg_base); -+ -+ const uint32_t dpr_reg = map->tseg_base << 20 | map->dpr_size << 4; -+ pci_write_config32(HOST_BRIDGE, DPR, dpr_reg); -+ -+ const uint16_t gfx_stolen_size = GGC_IGD_MEM_IN_32MB_UNITS(map->gms_size / 32); -+ const uint16_t ggc = map->gtt_size << 8 | gfx_stolen_size; -+ pci_write_config16(HOST_BRIDGE, GGC, ggc); -+ -+ /** TODO: Do not hardcode these? GDXC has weird alignment requirements, though. **/ -+ gdxcbar_write32(MPCOHTRK_GDXC_MOT_ADDRESS_LO, 0); -+ gdxcbar_write32(MPCOHTRK_GDXC_MOT_ADDRESS_HI, 0); -+ gdxcbar_write32(MPCOHTRK_GDXC_MOT_REGION, 0); -+ -+ gdxcbar_write32(MPCOHTRK_GDXC_OCLA_ADDRESS_LO, 0); -+ gdxcbar_write32(MPCOHTRK_GDXC_OCLA_ADDRESS_HI, 0); -+ gdxcbar_write32(MPCOHTRK_GDXC_OCLA_REGION, 0); -+ -+ gdxcbar_setbits32(MPCOHTRK_GDXC_OCLA_ADDRESS_HI, MPCOHTRK_GDXC_OCLA_ADDRESS_HI_LOCK); -+} -+ -+enum raminit_status configure_memory_map(struct sysinfo *ctrl) -+{ -+ struct memory_map_data memory_map = { -+ .tom = ctrl->channel_size_mb[0] + ctrl->channel_size_mb[1], -+ .dpr_size = CONFIG_INTEL_TXT_DPR_SIZE, -+ .tseg_size = CONFIG_SMM_TSEG_SIZE >> 20, -+ .me_stolen_size = intel_early_me_uma_size(), -+ }; -+ /** FIXME: MRC hardcodes iGPU parameters, but we should not **/ -+ const bool igpu_on = pci_read_config32(HOST_BRIDGE, DEVEN) & DEVEN_D2EN; -+ if (CONFIG(ONBOARD_VGA_IS_PRIMARY) || igpu_on) { -+ memory_map.gtt_size = 2; -+ memory_map.gms_size = 64; -+ pci_or_config32(HOST_BRIDGE, DEVEN, DEVEN_D2EN); -+ } -+ compute_memory_map(&memory_map); -+ display_memory_map(&memory_map); -+ program_memory_map(&memory_map); -+ return 0; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 3a773cfa19..136a8ba989 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -24,6 +24,7 @@ static const struct task_entry cold_boot[] = { - { initialise_mpll, true, "INITMPLL", }, - { convert_timings, true, "CONVTIM", }, - { configure_mc, true, "CONFMC", }, -+ { configure_memory_map, true, "MEMMAP", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index cd1f2eb2a5..4763b25e8d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -202,6 +202,7 @@ enum raminit_status collect_spd_info(struct sysinfo *ctrl); - enum raminit_status initialise_mpll(struct sysinfo *ctrl); - enum raminit_status convert_timings(struct sysinfo *ctrl); - enum raminit_status configure_mc(struct sysinfo *ctrl); -+enum raminit_status configure_memory_map(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/registers/host_bridge.h b/src/northbridge/intel/haswell/registers/host_bridge.h -index 1ee0ab2890..0228cf6bb9 100644 ---- a/src/northbridge/intel/haswell/registers/host_bridge.h -+++ b/src/northbridge/intel/haswell/registers/host_bridge.h -@@ -34,6 +34,8 @@ - - #define MESEG_BASE 0x70 /* Management Engine Base */ - #define MESEG_LIMIT 0x78 /* Management Engine Limit */ -+#define MELCK (1 << 10) /* ME Range Lock */ -+#define ME_STLEN_EN (1 << 11) /* ME Stolen Memory Enable */ - - #define PAM0 0x80 - #define PAM1 0x81 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0016-haswell-NRI-Add-DDR3-JEDEC-reset-and-init.patch b/resources/coreboot/haswell/patches/0016-haswell-NRI-Add-DDR3-JEDEC-reset-and-init.patch deleted file mode 100644 index c321d239..00000000 --- a/resources/coreboot/haswell/patches/0016-haswell-NRI-Add-DDR3-JEDEC-reset-and-init.patch +++ /dev/null @@ -1,1038 +0,0 @@ -From d24def01ec15f41a48331ef1e236270b2df90b84 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 21:49:40 +0200 -Subject: [PATCH 16/26] haswell NRI: Add DDR3 JEDEC reset and init - -Implement JEDEC reset and init sequence for DDR3. The MRS commands are -issued through the REUT (Robust Electrical Unified Testing) hardware. - -Change-Id: I2a0c066537021b587599228086727cb1e041bff5 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 3 + - .../intel/haswell/native_raminit/ddr3.c | 217 ++++++++++++++++++ - .../haswell/native_raminit/io_comp_control.c | 19 ++ - .../haswell/native_raminit/jedec_reset.c | 120 ++++++++++ - .../haswell/native_raminit/raminit_main.c | 2 + - .../haswell/native_raminit/raminit_native.h | 101 ++++++++ - .../haswell/native_raminit/reg_structs.h | 154 +++++++++++++ - .../intel/haswell/native_raminit/reut.c | 196 ++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 21 ++ - src/southbridge/intel/lynxpoint/pch.h | 2 + - 10 files changed, 835 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/ddr3.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/jedec_reset.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/reut.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 37d527e972..e9212df9e6 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,11 +1,14 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - - romstage-y += configure_mc.c -+romstage-y += ddr3.c -+romstage-y += jedec_reset.c - romstage-y += lookup_timings.c - romstage-y += init_mpll.c - romstage-y += io_comp_control.c - romstage-y += memory_map.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c -+romstage-y += reut.c - romstage-y += spd_bitmunching.c - romstage-y += timings_refresh.c -diff --git a/src/northbridge/intel/haswell/native_raminit/ddr3.c b/src/northbridge/intel/haswell/native_raminit/ddr3.c -new file mode 100644 -index 0000000000..6ddb11488b ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/ddr3.c -@@ -0,0 +1,217 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <assert.h> -+#include <console/console.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+#define DDR3_RTTNOM(a, b, c) (((a) << 9) | ((b) << 6) | ((c) << 2)) -+ -+uint16_t encode_ddr3_rttnom(const uint32_t rttnom) -+{ -+ switch (rttnom) { -+ case 0: return DDR3_RTTNOM(0, 0, 0); /* RttNom is disabled */ -+ case 20: return DDR3_RTTNOM(1, 0, 0); /* RZQ/12 */ -+ case 30: return DDR3_RTTNOM(1, 0, 1); /* RZQ/8 */ -+ case 40: return DDR3_RTTNOM(0, 1, 1); /* RZQ/6 */ -+ case 60: return DDR3_RTTNOM(0, 0, 1); /* RZQ/4 */ -+ case 120: return DDR3_RTTNOM(0, 1, 0); /* RZQ/2 */ -+ } -+ printk(BIOS_ERR, "%s: Invalid rtt_nom value %u\n", __func__, rttnom); -+ return 0; -+} -+ -+static const uint8_t jedec_wr_t[12] = { 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0 }; -+ -+static void ddr3_program_mr0(struct sysinfo *ctrl, const uint8_t dll_reset) -+{ -+ assert(ctrl->tWR >= 5 && ctrl->tWR <= 16); -+ assert(ctrl->tAA >= 4); -+ const uint8_t jedec_cas = ctrl->tAA - 4; -+ const union { -+ struct __packed { -+ uint16_t burst_length : 2; // Bits 1:0 -+ uint16_t cas_latency_msb : 1; // Bits 2:2 -+ uint16_t read_burst_type : 1; // Bits 3:3 -+ uint16_t cas_latency_low : 3; // Bits 6:4 -+ uint16_t test_mode : 1; // Bits 7:7 -+ uint16_t dll_reset : 1; // Bits 8:8 -+ uint16_t write_recovery : 3; // Bits 11:9 -+ uint16_t precharge_pd_dll : 1; // Bits 12:12 -+ uint16_t : 3; // Bits 15:13 -+ }; -+ uint16_t raw; -+ } mr0reg = { -+ .burst_length = 0, -+ .cas_latency_msb = !!(jedec_cas & BIT(3)), -+ .read_burst_type = 0, -+ .cas_latency_low = jedec_cas & 0x7, -+ .dll_reset = 1, -+ .write_recovery = jedec_wr_t[ctrl->tWR - 5], -+ .precharge_pd_dll = 0, -+ }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ if (!ctrl->restore_mrs) -+ ctrl->mr0[channel][slot] = mr0reg.raw; -+ } -+ reut_issue_mrs_all(ctrl, channel, 0, ctrl->mr0[channel]); -+ } -+} -+ -+void ddr3_program_mr1(struct sysinfo *ctrl, const uint8_t wl_mode, const uint8_t q_off) -+{ -+ /* -+ * JESD79-3F (JEDEC DDR3 spec) refers to bit 0 of MR1 as 'DLL Enable'. -+ * However, its encoding is weird, and 'DLL Disable' makes more sense. -+ * -+ * Moreover, bit 5 is part of ODIC (Output Driver Impedance Control), -+ * but all encodings where MR1 bit 5 is 1 are reserved. Thus, omit it. -+ */ -+ union { -+ struct __packed { -+ uint16_t dll_disable : 1; // Bits 0:0 -+ uint16_t od_impedance_ctl : 1; // Bits 1:1 -+ uint16_t odt_rtt_nom_low : 1; // Bits 2:2 -+ uint16_t additive_latency : 2; // Bits 4:3 -+ uint16_t : 1; // Bits 5:5 -+ uint16_t odt_rtt_nom_mid : 1; // Bits 6:6 -+ uint16_t write_level_mode : 1; // Bits 7:7 -+ uint16_t : 1; // Bits 8:8 -+ uint16_t odt_rtt_nom_high : 1; // Bits 9:9 -+ uint16_t : 1; // Bits 10:10 -+ uint16_t t_dqs : 1; // Bits 11:11 -+ uint16_t q_off : 1; // Bits 12:12 -+ uint16_t : 3; // Bits 15:13 -+ }; -+ uint16_t raw; -+ } mr1reg = { -+ .dll_disable = 0, -+ .od_impedance_ctl = 1, /* RZQ/7 */ -+ .additive_latency = 0, -+ .write_level_mode = wl_mode, -+ .t_dqs = 0, -+ .q_off = q_off, -+ }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ mr1reg.raw &= ~RTTNOM_MASK; -+ mr1reg.raw |= encode_ddr3_rttnom(ctrl->dpc[channel] == 2 ? 60 : 0); -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ if (!ctrl->restore_mrs) -+ ctrl->mr1[channel][slot] = mr1reg.raw; -+ } -+ reut_issue_mrs_all(ctrl, channel, 1, ctrl->mr1[channel]); -+ } -+} -+ -+enum { -+ RTT_WR_OFF = 0, -+ RTT_WR_60 = 1, -+ RTT_WR_120 = 2, -+}; -+ -+static void ddr3_program_mr2(struct sysinfo *ctrl) -+{ -+ assert(ctrl->tCWL >= 5); -+ const bool dimm_srt = ctrl->flags.ext_temp_refresh && !ctrl->flags.asr; -+ -+ const union { -+ struct __packed { -+ uint16_t partial_array_sr : 3; // Bits 0:2 -+ uint16_t cas_write_latency : 3; // Bits 5:3 -+ uint16_t auto_self_refresh : 1; // Bits 6:6 -+ uint16_t self_refresh_temp : 1; // Bits 7:7 -+ uint16_t : 1; // Bits 8:8 -+ uint16_t odt_rtt_wr : 2; // Bits 10:9 -+ uint16_t : 5; // Bits 15:11 -+ }; -+ uint16_t raw; -+ } mr2reg = { -+ .partial_array_sr = 0, -+ .cas_write_latency = ctrl->tCWL - 5, -+ .auto_self_refresh = ctrl->flags.asr, -+ .self_refresh_temp = dimm_srt, -+ .odt_rtt_wr = is_hsw_ult() ? RTT_WR_120 : RTT_WR_60, -+ }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ if (!ctrl->restore_mrs) -+ ctrl->mr2[channel][slot] = mr2reg.raw; -+ } -+ /* MR2 shadow register is similar but not identical to MR2 */ -+ if (!ctrl->restore_mrs) { -+ union tc_mr2_shadow_reg tc_mr2_shadow = { -+ .raw = mr2reg.raw & 0x073f, -+ }; -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ if (dimm_srt) -+ tc_mr2_shadow.srt_available |= BIT(slot); -+ -+ if (ctrl->rank_mirrored[channel] & BIT(slot + slot + 1)) -+ tc_mr2_shadow.addr_bit_swizzle |= BIT(slot); -+ } -+ mchbar_write32(TC_MR2_SHADOW_ch(channel), tc_mr2_shadow.raw); -+ } -+ reut_issue_mrs_all(ctrl, channel, 2, ctrl->mr2[channel]); -+ } -+} -+ -+static void ddr3_program_mr3(struct sysinfo *ctrl, const uint8_t mpr_mode) -+{ -+ const union { -+ struct __packed { -+ uint16_t mpr_loc : 2; // Bits 1:0 -+ uint16_t mpr_mode : 1; // Bits 2:2 -+ uint16_t : 13; // Bits 15:3 -+ }; -+ uint16_t raw; -+ } mr3reg = { -+ .mpr_loc = 0, -+ .mpr_mode = mpr_mode, -+ }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ if (!ctrl->restore_mrs) -+ ctrl->mr3[channel][slot] = mr3reg.raw; -+ } -+ reut_issue_mrs_all(ctrl, channel, 3, ctrl->mr3[channel]); -+ } -+} -+ -+enum raminit_status ddr3_jedec_init(struct sysinfo *ctrl) -+{ -+ ddr3_program_mr2(ctrl); -+ ddr3_program_mr3(ctrl, 0); -+ ddr3_program_mr1(ctrl, 0, 0); -+ ddr3_program_mr0(ctrl, 1); -+ return reut_issue_zq(ctrl, ctrl->chanmap, ZQ_INIT); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/io_comp_control.c b/src/northbridge/intel/haswell/native_raminit/io_comp_control.c -index 7e96c08938..ad8c848e57 100644 ---- a/src/northbridge/intel/haswell/native_raminit/io_comp_control.c -+++ b/src/northbridge/intel/haswell/native_raminit/io_comp_control.c -@@ -8,6 +8,25 @@ - - #include "raminit_native.h" - -+enum raminit_status io_reset(void) -+{ -+ union mc_init_state_g_reg mc_init_state_g = { -+ .raw = mchbar_read32(MC_INIT_STATE_G), -+ }; -+ mc_init_state_g.reset_io = 1; -+ mchbar_write32(MC_INIT_STATE_G, mc_init_state_g.raw); -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 2000); -+ do { -+ mc_init_state_g.raw = mchbar_read32(MC_INIT_STATE_G); -+ if (mc_init_state_g.reset_io == 0) -+ return RAMINIT_STATUS_SUCCESS; -+ -+ } while (!stopwatch_expired(&timer)); -+ printk(BIOS_ERR, "Timed out waiting for DDR I/O reset to complete\n"); -+ return RAMINIT_STATUS_POLL_TIMEOUT; -+} -+ - enum raminit_status wait_for_first_rcomp(void) - { - struct stopwatch timer; -diff --git a/src/northbridge/intel/haswell/native_raminit/jedec_reset.c b/src/northbridge/intel/haswell/native_raminit/jedec_reset.c -new file mode 100644 -index 0000000000..de0f676758 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/jedec_reset.c -@@ -0,0 +1,120 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <southbridge/intel/lynxpoint/pch.h> -+#include <types.h> -+#include <timer.h> -+ -+#include "raminit_native.h" -+ -+static void assert_reset(const bool do_reset) -+{ -+ if (is_hsw_ult()) { -+ uint32_t pm_cfg2 = RCBA32(PM_CFG2); -+ if (do_reset) -+ pm_cfg2 &= ~PM_CFG2_DRAM_RESET_CTL; -+ else -+ pm_cfg2 |= PM_CFG2_DRAM_RESET_CTL; -+ RCBA32(PM_CFG2) = pm_cfg2; -+ } else { -+ union mc_init_state_g_reg mc_init_state_g = { -+ .raw = mchbar_read32(MC_INIT_STATE_G), -+ }; -+ mc_init_state_g.ddr_not_reset = !do_reset; -+ mchbar_write32(MC_INIT_STATE_G, mc_init_state_g.raw); -+ } -+} -+ -+/* -+ * Perform JEDEC reset. -+ * -+ * If RTT_NOM is to be enabled in MR1, the ODT input signal must be -+ * statically held low in our system since RTT_NOM is always enabled. -+ */ -+static void jedec_reset(struct sysinfo *ctrl) -+{ -+ if (is_hsw_ult()) -+ assert_reset(false); -+ -+ union mc_init_state_g_reg mc_init_state_g = { -+ .ddr_not_reset = 1, -+ .safe_self_refresh = 1, -+ }; -+ mchbar_write32(MC_INIT_STATE_G, mc_init_state_g.raw); -+ -+ union reut_misc_cke_ctrl_reg reut_misc_cke_ctrl = { -+ .cke_override = 0xf, -+ .cke_on = 0, -+ }; -+ mchbar_write32(REUT_MISC_CKE_CTRL, reut_misc_cke_ctrl.raw); -+ -+ assert_reset(true); -+ -+ /** TODO: check and switch DDR3 voltage here (mainboard-specific) **/ -+ -+ udelay(200); -+ -+ assert_reset(false); -+ -+ udelay(500); -+ -+ mc_init_state_g.dclk_enable = 1; -+ mchbar_write32(MC_INIT_STATE_G, mc_init_state_g.raw); -+ -+ /* Delay at least 20 nanoseconds for tCKSRX */ -+ tick_delay(1); -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ reut_misc_cke_ctrl.cke_on = ctrl->rankmap[channel]; -+ mchbar_write32(REUT_ch_MISC_CKE_CTRL(channel), reut_misc_cke_ctrl.raw); -+ } -+ -+ /* -+ * Wait minimum of reset CKE exit time, tXPR. -+ * Spec says MAX(tXS, 5 tCK). 5 tCK is 10 ns. -+ */ -+ tick_delay(1); -+} -+ -+enum raminit_status do_jedec_init(struct sysinfo *ctrl) -+{ -+ /* Never do a JEDEC reset in S3 resume */ -+ if (ctrl->bootmode == BOOTMODE_S3) -+ return RAMINIT_STATUS_SUCCESS; -+ -+ enum raminit_status status = io_reset(); -+ if (status) -+ return status; -+ -+ status = wait_for_first_rcomp(); -+ if (status) -+ return status; -+ -+ /* Force ODT low (JEDEC spec) */ -+ const union reut_misc_odt_ctrl_reg reut_misc_odt_ctrl = { -+ .odt_override = 0xf, -+ .odt_on = 0, -+ }; -+ mchbar_write32(REUT_MISC_ODT_CTRL, reut_misc_odt_ctrl.raw); -+ -+ /* -+ * Note: Haswell MRC does not clear ODT override for LPDDR3. However, -+ * Broadwell MRC does. Hell suspects this difference is important, as -+ * there is an erratum in the specification update for Broadwell: -+ * -+ * Erratum BDM74: LPDDR3 Memory Training May Cause Platform Boot Failure -+ */ -+ if (ctrl->lpddr) -+ die("%s: LPDDR-specific JEDEC init not implemented\n", __func__); -+ -+ jedec_reset(ctrl); -+ status = ddr3_jedec_init(ctrl); -+ if (!status) -+ ctrl->restore_mrs = true; -+ -+ /* Release ODT override */ -+ mchbar_write32(REUT_MISC_ODT_CTRL, 0); -+ return status; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 136a8ba989..73ff180b8c 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -25,6 +25,7 @@ static const struct task_entry cold_boot[] = { - { convert_timings, true, "CONVTIM", }, - { configure_mc, true, "CONFMC", }, - { configure_memory_map, true, "MEMMAP", }, -+ { do_jedec_init, true, "JEDECINIT", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -@@ -58,6 +59,7 @@ static void initialize_ctrl(struct sysinfo *ctrl) - ctrl->stepping = get_stepping(ctrl->cpu); - ctrl->vdd_mv = is_hsw_ult() ? 1350 : 1500; /** FIXME: Hardcoded, does it matter? **/ - ctrl->dq_pins_interleaved = cfg->dq_pins_interleaved; -+ ctrl->restore_mrs = false; - ctrl->bootmode = bootmode; - } - -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 4763b25e8d..e3cf4254a0 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -27,6 +27,30 @@ - /* Always use 12 legs for emphasis (not trained) */ - #define TXEQFULLDRV (3 << 4) - -+/* DDR3 mode register bits */ -+#define MR0_DLL_RESET BIT(8) -+ -+#define MR1_WL_ENABLE BIT(7) -+#define MR1_QOFF_ENABLE BIT(12) /* If set, output buffers disabled */ -+ -+#define RTTNOM_MASK (BIT(9) | BIT(6) | BIT(2)) -+ -+/* ZQ calibration types */ -+enum { -+ ZQ_INIT, /* DDR3: ZQCL with tZQinit, LPDDR3: ZQ Init with tZQinit */ -+ ZQ_LONG, /* DDR3: ZQCL with tZQoper, LPDDR3: ZQ Long with tZQCL */ -+ ZQ_SHORT, /* DDR3: ZQCS with tZQCS, LPDDR3: ZQ Short with tZQCS */ -+ ZQ_RESET, /* DDR3: not used, LPDDR3: ZQ Reset with tZQreset */ -+}; -+ -+/* REUT initialisation modes */ -+enum { -+ REUT_MODE_IDLE = 0, -+ REUT_MODE_TEST = 1, -+ REUT_MODE_MRS = 2, -+ REUT_MODE_NOP = 3, /* Normal operation mode */ -+}; -+ - enum command_training_iteration { - CT_ITERATION_CLOCK = 0, - CT_ITERATION_CMD_NORTH, -@@ -50,6 +74,7 @@ enum raminit_status { - RAMINIT_STATUS_UNSUPPORTED_MEMORY, - RAMINIT_STATUS_MPLL_INIT_FAILURE, - RAMINIT_STATUS_POLL_TIMEOUT, -+ RAMINIT_STATUS_REUT_ERROR, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -72,6 +97,7 @@ struct sysinfo { - uint32_t cpu; /* CPUID value */ - - bool dq_pins_interleaved; -+ bool restore_mrs; - - /** TODO: ECC support untested **/ - bool is_ecc; -@@ -161,6 +187,11 @@ struct sysinfo { - union tc_bank_rank_b_reg tc_bankrank_b[NUM_CHANNELS]; - union tc_bank_rank_c_reg tc_bankrank_c[NUM_CHANNELS]; - union tc_bank_rank_d_reg tc_bankrank_d[NUM_CHANNELS]; -+ -+ uint16_t mr0[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint16_t mr1[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint16_t mr2[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint16_t mr3[NUM_CHANNELS][NUM_SLOTRANKS]; - }; - - static inline bool is_hsw_ult(void) -@@ -196,6 +227,55 @@ static inline void clear_data_offset_train_all(struct sysinfo *ctrl) - memset(ctrl->data_offset_train, 0, sizeof(ctrl->data_offset_train)); - } - -+/* Number of ticks to wait in units of 69.841279 ns (citation needed) */ -+static inline void tick_delay(const uint32_t delay) -+{ -+ volatile uint32_t junk; -+ -+ /* Just perform reads to a random register */ -+ for (uint32_t start = 0; start <= delay; start++) -+ junk = mchbar_read32(REUT_ERR_DATA_STATUS); -+} -+ -+/* -+ * 64-bit MCHBAR registers need to be accessed atomically. If one uses -+ * two 32-bit ops instead, there will be problems with the REUT's CADB -+ * (Command Address Data Buffer): hardware automatically advances the -+ * pointer into the register file after a write to the input register. -+ */ -+static inline uint64_t mchbar_read64(const uintptr_t x) -+{ -+ const uint64_t *offset = (uint64_t *)(CONFIG_FIXED_MCHBAR_MMIO_BASE + x); -+ uint64_t mmxsave, v; -+ asm volatile ( -+ "\n\t movq %%mm0, %0" -+ "\n\t movq %2, %%mm0" -+ "\n\t movq %%mm0, %1" -+ "\n\t movq %3, %%mm0" -+ "\n\t emms" -+ : "=m"(mmxsave), -+ "=m"(v) -+ : "m"(offset[0]), -+ "m"(mmxsave)); -+ return v; -+} -+ -+static inline void mchbar_write64(const uintptr_t x, const uint64_t v) -+{ -+ const uint64_t *offset = (uint64_t *)(CONFIG_FIXED_MCHBAR_MMIO_BASE + x); -+ uint64_t mmxsave; -+ asm volatile ( -+ "\n\t movq %%mm0, %0" -+ "\n\t movq %2, %%mm0" -+ "\n\t movq %%mm0, %1" -+ "\n\t movq %3, %%mm0" -+ "\n\t emms" -+ : "=m"(mmxsave) -+ : "m"(offset[0]), -+ "m"(v), -+ "m"(mmxsave)); -+} -+ - void raminit_main(enum raminit_boot_mode bootmode); - - enum raminit_status collect_spd_info(struct sysinfo *ctrl); -@@ -203,6 +283,7 @@ enum raminit_status initialise_mpll(struct sysinfo *ctrl); - enum raminit_status convert_timings(struct sysinfo *ctrl); - enum raminit_status configure_mc(struct sysinfo *ctrl); - enum raminit_status configure_memory_map(struct sysinfo *ctrl); -+enum raminit_status do_jedec_init(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -@@ -215,8 +296,28 @@ uint32_t get_tXS_offset(uint32_t mem_clock_mhz); - uint32_t get_tZQOPER(uint32_t mem_clock_mhz, bool lpddr); - uint32_t get_tZQCS(uint32_t mem_clock_mhz, bool lpddr); - -+enum raminit_status io_reset(void); - enum raminit_status wait_for_first_rcomp(void); - -+uint16_t encode_ddr3_rttnom(uint32_t rttnom); -+void ddr3_program_mr1(struct sysinfo *ctrl, uint8_t wl_mode, uint8_t q_off); -+enum raminit_status ddr3_jedec_init(struct sysinfo *ctrl); -+ -+void reut_issue_mrs( -+ struct sysinfo *ctrl, -+ uint8_t channel, -+ uint8_t rankmask, -+ uint8_t mr, -+ uint16_t val); -+ -+void reut_issue_mrs_all( -+ struct sysinfo *ctrl, -+ uint8_t channel, -+ uint8_t mr, -+ const uint16_t val[NUM_SLOTS]); -+ -+enum raminit_status reut_issue_zq(struct sysinfo *ctrl, uint8_t chanmask, uint8_t zq_type); -+ - uint8_t get_rx_bias(const struct sysinfo *ctrl); - - uint8_t get_tCWL(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index 70487e1640..9929f617fe 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -335,6 +335,127 @@ union mcscheds_cbit_reg { - uint32_t raw; - }; - -+union reut_pat_cadb_prog_reg { -+ struct __packed { -+ uint32_t addr : 16; // Bits 15:0 -+ uint32_t : 8; // Bits 23:16 -+ uint32_t bank : 3; // Bits 26:24 -+ uint32_t : 5; // Bits 31:27 -+ uint32_t cs : 4; // Bits 35:32 -+ uint32_t : 4; // Bits 39:36 -+ uint32_t cmd : 3; // Bits 42:40 -+ uint32_t : 5; // Bits 47:43 -+ uint32_t odt : 4; // Bits 51:48 -+ uint32_t : 4; // Bits 55:52 -+ uint32_t cke : 4; // Bits 59:56 -+ uint32_t : 4; // Bits 63:60 -+ }; -+ uint64_t raw; -+ uint32_t raw32[2]; -+}; -+ -+union reut_pat_cadb_mrs_reg { -+ struct __packed { -+ uint32_t delay_gap : 3; // Bits 2:0 -+ uint32_t : 5; // Bits 7:3 -+ uint32_t start_ptr : 3; // Bits 10:8 -+ uint32_t : 5; // Bits 15:11 -+ uint32_t end_ptr : 3; // Bits 18:16 -+ uint32_t : 5; // Bits 23:19 -+ uint32_t curr_ptr : 3; // Bits 26:24 -+ uint32_t : 5; // Bits 31:27 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_seq_cfg_reg { -+ struct __packed { -+ uint32_t : 3; // Bits 2:0 -+ uint32_t stop_base_seq_on_wrap_trigger : 1; // Bits 3:3 -+ uint32_t : 1; // Bits 4:4 -+ uint32_t address_update_rate_mode : 1; // Bits 5:5 -+ uint32_t : 1; // Bits 6:6 -+ uint32_t enable_dummy_reads : 1; // Bits 7:7 -+ uint32_t : 2; // Bits 9:8 -+ uint32_t enable_constant_write_strobe : 1; // Bits 10:10 -+ uint32_t global_control : 1; // Bits 11:11 -+ uint32_t initialization_mode : 2; // Bits 13:12 -+ uint32_t : 2; // Bits 15:14 -+ uint32_t early_steppings_loop_count : 5; // Bits 20:16 *** Not on C0 *** -+ uint32_t : 3; // Bits 23:21 -+ uint32_t subsequence_start_pointer : 3; // Bits 26:24 -+ uint32_t : 1; // Bits 27:27 -+ uint32_t subsequence_end_pointer : 3; // Bits 30:28 -+ uint32_t : 1; // Bits 31:31 -+ uint32_t start_test_delay : 10; // Bits 41:32 -+ uint32_t : 22; // Bits 63:42 -+ }; -+ uint64_t raw; -+ uint32_t raw32[2]; -+}; -+ -+union reut_seq_ctl_reg { -+ struct __packed { -+ uint32_t start_test : 1; // Bits 0:0 -+ uint32_t stop_test : 1; // Bits 1:1 -+ uint32_t clear_errors : 1; // Bits 2:2 -+ uint32_t : 1; // Bits 3:3 -+ uint32_t stop_on_error : 1; // Bits 4:4 -+ uint32_t : 27; // Bits 31:5 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_global_err_reg { -+ struct __packed { -+ uint32_t ch_error : 2; // Bits 1:0 -+ uint32_t : 14; // Bits 15:2 -+ uint32_t ch_test_done : 2; // Bits 17:16 -+ uint32_t : 14; // Bits 31:18 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_misc_cke_ctrl_reg { -+ struct __packed { -+ uint32_t cke_override : 4; // Bits 3:0 -+ uint32_t : 4; // Bits 7:4 -+ uint32_t cke_en_start_test_sync : 1; // Bits 8:8 -+ uint32_t : 7; // Bits 15:9 -+ uint32_t cke_on : 4; // Bits 19:16 -+ uint32_t : 12; // Bits 31:20 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_misc_odt_ctrl_reg { -+ struct __packed { -+ uint32_t odt_override : 4; // Bits 3:0 -+ uint32_t : 12; // Bits 15:4 -+ uint32_t odt_on : 4; // Bits 19:16 -+ uint32_t : 11; // Bits 30:20 -+ uint32_t mpr_train_ddr_on : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union mcscheds_dft_misc_reg { -+ struct __packed { -+ uint32_t wdar : 1; // Bits 0:0 -+ uint32_t safe_mask_sel : 3; // Bits 3:1 -+ uint32_t force_rcv_en : 1; // Bits 4:4 -+ uint32_t : 3; // Bits 7:5 -+ uint32_t ddr_qualifier : 2; // Bits 9:8 -+ uint32_t qualifier_length : 2; // Bits 11:10 -+ uint32_t wdb_block_en : 1; // Bits 12:12 -+ uint32_t rt_dft_read_ptr : 4; // Bits 16:13 -+ uint32_t rt_dft_read_enable : 1; // Bits 17:17 -+ uint32_t rt_dft_read_sel_addr : 1; // Bits 18:18 -+ uint32_t : 13; // Bits 31:19 -+ }; -+ uint32_t raw; -+}; -+ - union tc_bank_reg { - struct __packed { - uint32_t tRCD : 5; // Bits 4:0 -@@ -428,6 +549,18 @@ union tc_srftp_reg { - uint32_t raw; - }; - -+union tc_mr2_shadow_reg { -+ struct __packed { -+ uint32_t mr2_shadow_low : 6; // Bits 5:0 -+ uint32_t srt_available : 2; // Bits 7:6 -+ uint32_t mr2_shadow_high : 3; // Bits 10:8 -+ uint32_t : 3; // Bits 13:11 -+ uint32_t addr_bit_swizzle : 2; // Bits 15:14 -+ uint32_t : 16; // Bits 31:16 -+ }; -+ uint32_t raw; -+}; -+ - union mcmain_command_rate_limit_reg { - struct __packed { - uint32_t enable_cmd_limit : 1; // Bits 0:0 -@@ -483,6 +616,27 @@ union mad_zr_reg { - uint32_t raw; - }; - -+union mc_init_state_g_reg { -+ struct __packed { -+ uint32_t pu_mrc_done : 1; // Bits 0:0 -+ uint32_t ddr_not_reset : 1; // Bits 1:1 -+ uint32_t : 1; // Bits 2:2 -+ uint32_t refresh_enable : 1; // Bits 3:3 -+ uint32_t : 1; // Bits 4:4 -+ uint32_t mc_init_done_ack : 1; // Bits 5:5 -+ uint32_t : 1; // Bits 6:6 -+ uint32_t mrc_done : 1; // Bits 7:7 -+ uint32_t safe_self_refresh : 1; // Bits 8:8 -+ uint32_t : 1; // Bits 9:9 -+ uint32_t hvm_gate_ddr_reset : 1; // Bits 10:10 -+ uint32_t : 11; // Bits 21:11 -+ uint32_t dclk_enable : 1; // Bits 22:22 -+ uint32_t reset_io : 1; // Bits 23:23 -+ uint32_t : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ - /* Same definition for P_COMP, M_COMP, D_COMP */ - union pcu_comp_reg { - struct __packed { -diff --git a/src/northbridge/intel/haswell/native_raminit/reut.c b/src/northbridge/intel/haswell/native_raminit/reut.c -new file mode 100644 -index 0000000000..c55cdd9c7e ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/reut.c -@@ -0,0 +1,196 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <timer.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+enum { -+ CADB_CMD_MRS = 0, -+ CADB_CMD_REF = 1, -+ CADB_CMD_PRE = 2, -+ CADB_CMD_ACT = 3, -+ CADB_CMD_WR = 4, -+ CADB_CMD_RD = 5, -+ CADB_CMD_ZQ = 6, -+ CADB_CMD_NOP = 7, -+}; -+ -+/* -+ * DDR3 rank mirror swaps the following pins: A3<->A4, A5<->A6, A7<->A8, BA0<->BA1 -+ * -+ * Note that the swapped bits are contiguous. We can use some XOR magic to swap the bits. -+ * Address lanes are at bits 0..15 and bank selects are at bits 24..26 on the REUT register. -+ */ -+#define MIRROR_BITS (BIT(24) | BIT(7) | BIT(5) | BIT(3)) -+static uint64_t cadb_prog_rank_mirror(const uint64_t cadb_prog) -+{ -+ /* First XOR: find which pairs of bits are different (need swapping) */ -+ const uint64_t tmp64 = (cadb_prog ^ (cadb_prog >> 1)) & MIRROR_BITS; -+ -+ /* Second XOR: invert the pairs of bits that have different values */ -+ return cadb_prog ^ (tmp64 | tmp64 << 1); -+} -+ -+static enum raminit_status reut_write_cadb_cmd( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t rankmask, -+ const uint8_t cmd, -+ const uint8_t bank, -+ const uint16_t valarr[NUM_SLOTRANKS], -+ const uint8_t delay) -+{ -+ union mcscheds_dft_misc_reg dft_misc = { -+ .raw = mchbar_read32(MCSCHEDS_DFT_MISC), -+ }; -+ dft_misc.ddr_qualifier = 0; -+ mchbar_write32(MCSCHEDS_DFT_MISC, dft_misc.raw); -+ -+ /* Pointer will be dynamically incremented after a write to CADB_PROG register */ -+ mchbar_write8(REUT_ch_PAT_CADB_WRITE_PTR(channel), 0); -+ -+ uint8_t count = 0; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!(ctrl->rankmap[channel] & BIT(rank) & rankmask)) -+ continue; -+ -+ union reut_pat_cadb_prog_reg reut_cadb_prog = { -+ .addr = valarr[rank], -+ .bank = bank, -+ .cs = ~BIT(rank), /* CS is active low */ -+ .cmd = cmd, -+ .cke = 0xf, -+ }; -+ if (ctrl->rank_mirrored[channel] & BIT(rank)) -+ reut_cadb_prog.raw = cadb_prog_rank_mirror(reut_cadb_prog.raw); -+ -+ mchbar_write64(REUT_ch_PAT_CADB_PROG(channel), reut_cadb_prog.raw); -+ count++; -+ } -+ if (!count) { -+ printk(BIOS_ERR, "%s: rankmask is invalid\n", __func__); -+ return RAMINIT_STATUS_UNSPECIFIED_ERROR; /** FIXME: Is this needed? **/ -+ } -+ const union reut_pat_cadb_mrs_reg reut_cadb_mrs = { -+ .delay_gap = delay ? delay : 3, -+ .end_ptr = count - 1, -+ }; -+ mchbar_write32(REUT_ch_PAT_CADB_MRS(channel), reut_cadb_mrs.raw); -+ -+ const uint32_t reut_seq_cfg_save = mchbar_read32(REUT_ch_SEQ_CFG(channel)); -+ union reut_seq_cfg_reg reut_seq_cfg = { -+ .raw = reut_seq_cfg_save, -+ }; -+ reut_seq_cfg.global_control = 0; -+ reut_seq_cfg.initialization_mode = REUT_MODE_MRS; -+ mchbar_write32(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ mchbar_write32(REUT_ch_SEQ_CTL(channel), (union reut_seq_ctl_reg) { -+ .start_test = 1, -+ .clear_errors = 1, -+ }.raw); -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ union reut_global_err_reg reut_global_err; -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 100); -+ do { -+ reut_global_err.raw = mchbar_read32(REUT_GLOBAL_ERR); -+ if (reut_global_err.ch_error & BIT(channel)) { -+ printk(BIOS_ERR, "Unexpected REUT error for channel %u\n", channel); -+ status = RAMINIT_STATUS_REUT_ERROR; -+ break; -+ } -+ if (stopwatch_expired(&timer)) { -+ printk(BIOS_ERR, "%s: REUT timed out!\n", __func__); -+ status = RAMINIT_STATUS_POLL_TIMEOUT; -+ break; -+ } -+ } while (!(reut_global_err.ch_test_done & BIT(channel))); -+ mchbar_write32(REUT_ch_SEQ_CTL(channel), (union reut_seq_ctl_reg) { -+ .clear_errors = 1, -+ }.raw); -+ mchbar_write32(REUT_ch_SEQ_CFG(channel), reut_seq_cfg_save); -+ return status; -+} -+ -+static enum raminit_status reut_write_cadb_cmd_all( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t rankmask, -+ const uint8_t cmd, -+ const uint8_t bank, -+ const uint16_t val, -+ const uint8_t delay) -+{ -+ const uint16_t valarr[NUM_SLOTRANKS] = { val, val, val, val }; -+ return reut_write_cadb_cmd(ctrl, channel, rankmask, cmd, bank, valarr, delay); -+} -+ -+void reut_issue_mrs( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t rankmask, -+ const uint8_t mr, -+ const uint16_t val) -+{ -+ reut_write_cadb_cmd_all(ctrl, channel, rankmask, CADB_CMD_MRS, mr, val, 0); -+} -+ -+void reut_issue_mrs_all( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t mr, -+ const uint16_t val[NUM_SLOTS]) -+{ -+ const uint16_t valarr[NUM_SLOTRANKS] = { val[0], val[0], val[1], val[1] }; -+ reut_write_cadb_cmd(ctrl, channel, 0xf, CADB_CMD_MRS, mr, valarr, 0); -+} -+ -+enum raminit_status reut_issue_zq(struct sysinfo *ctrl, uint8_t chanmask, uint8_t zq_type) -+{ -+ /** TODO: Issuing ZQ commands differs for LPDDR **/ -+ if (ctrl->lpddr) -+ die("%s: LPDDR not yet supported in ZQ calibration\n"); -+ -+ uint8_t opcode; /* NOTE: Only used for LPDDR */ -+ uint16_t zq = 0; -+ switch (zq_type) { -+ case ZQ_INIT: -+ zq = BIT(10); -+ opcode = 0xff; -+ break; -+ case ZQ_LONG: -+ zq = BIT(10); -+ opcode = 0xab; -+ break; -+ case ZQ_SHORT: -+ opcode = 0x56; -+ break; -+ case ZQ_RESET: -+ opcode = 0xc3; -+ break; -+ default: -+ die("%s: ZQ type %u is invalid\n", zq_type); -+ } -+ -+ /* ZQCS on single-channel needs a longer delay */ -+ const uint8_t delay = zq_type == ZQ_SHORT && (!ctrl->dpc[0] || !ctrl->dpc[1]) ? 7 : 1; -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(BIT(channel) & chanmask) || !does_ch_exist(ctrl, channel)) -+ continue; -+ -+ status = reut_write_cadb_cmd_all(ctrl, channel, 0xf, CADB_CMD_ZQ, 0, zq, delay); -+ if (status) -+ break; -+ } -+ -+ /* Wait a bit after ZQ INIT and ZQCL commands */ -+ if (zq) -+ udelay(1); -+ -+ return status; -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 2acc5cbbc8..4fc78a7f43 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -96,15 +96,36 @@ - - #define SC_WR_ADD_DELAY_ch(ch) _MCMAIN_C(0x40d0, ch) - -+#define REUT_ch_MISC_CKE_CTRL(ch) _MCMAIN_C(0x4190, ch) -+ -+#define REUT_ch_PAT_CADB_MRS(ch) _MCMAIN_C(0x419c, ch) -+ -+#define REUT_ch_PAT_CADB_WRITE_PTR(ch) _MCMAIN_C(0x41bc, ch) -+#define REUT_ch_PAT_CADB_PROG(ch) _MCMAIN_C(0x41c0, ch) -+ - #define TC_ZQCAL_ch(ch) _MCMAIN_C(0x4290, ch) - #define TC_RFP_ch(ch) _MCMAIN_C(0x4294, ch) - #define TC_RFTP_ch(ch) _MCMAIN_C(0x4298, ch) -+#define TC_MR2_SHADOW_ch(ch) _MCMAIN_C(0x429c, ch) - #define MC_INIT_STATE_ch(ch) _MCMAIN_C(0x42a0, ch) - #define TC_SRFTP_ch(ch) _MCMAIN_C(0x42a4, ch) - -+#define REUT_GLOBAL_ERR 0x4804 -+ -+#define REUT_ch_SEQ_CFG(ch) (0x48a8 + 8 * (ch)) -+ -+#define REUT_ch_SEQ_CTL(ch) (0x48b8 + 4 * (ch)) -+ - /* MCMAIN broadcast */ - #define MCSCHEDS_CBIT 0x4c20 - -+#define MCSCHEDS_DFT_MISC 0x4c30 -+ -+#define REUT_ERR_DATA_STATUS 0x4ce0 -+ -+#define REUT_MISC_CKE_CTRL 0x4d90 -+#define REUT_MISC_ODT_CTRL 0x4d94 -+ - #define MCMNTS_SC_WDBWM 0x4f8c - - /* MCDECS */ -diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h -index 74b4d50017..16bef5032a 100644 ---- a/src/southbridge/intel/lynxpoint/pch.h -+++ b/src/southbridge/intel/lynxpoint/pch.h -@@ -586,6 +586,8 @@ void mainboard_config_rcba(void); - #define ACPIIRQEN 0x31e0 /* 32bit */ - #define OIC 0x31fe /* 16bit */ - #define PRSTS 0x3310 /* 32bit */ -+#define PM_CFG2 0x333c /* 32bit */ -+#define PM_CFG2_DRAM_RESET_CTL (1 << 26) /* ULT only */ - #define PMSYNC_CONFIG 0x33c4 /* 32bit */ - #define PMSYNC_CONFIG2 0x33cc /* 32bit */ - #define SOFT_RESET_CTRL 0x38f4 --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch b/resources/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch deleted file mode 100644 index e4cea123..00000000 --- a/resources/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch +++ /dev/null @@ -1,384 +0,0 @@ -From 42e43eb210bbb172af8e5ad064326c4570be8654 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sat, 7 May 2022 23:12:18 +0200 -Subject: [PATCH 17/26] haswell NRI: Add pre-training steps - -Implement pre-training steps, which consist of enabling ECC I/O and -filling the WDB (Write Data Buffer, stores test patterns) through a -magic LDAT port. - -Change-Id: Ie2e09e3b218c4569ed8de5c5e1b05d491032e0f1 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 34 ++++ - .../haswell/native_raminit/raminit_native.h | 24 +++ - .../haswell/native_raminit/reg_structs.h | 45 +++++ - .../intel/haswell/native_raminit/setup_wdb.c | 159 ++++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 9 + - 6 files changed, 272 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/setup_wdb.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index e9212df9e6..8d7d4e4db0 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -10,5 +10,6 @@ romstage-y += memory_map.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c - romstage-y += reut.c -+romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c - romstage-y += timings_refresh.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 73ff180b8c..5e4674957d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -13,6 +13,39 @@ - - #include "raminit_native.h" - -+static enum raminit_status pre_training(struct sysinfo *ctrl) -+{ -+ /* Skip on S3 resume */ -+ if (ctrl->bootmode == BOOTMODE_S3) -+ return RAMINIT_STATUS_SUCCESS; -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ for (uint8_t slot = 0; slot < NUM_SLOTS; slot++) { -+ if (!rank_in_ch(ctrl, slot + slot, channel)) -+ continue; -+ -+ printk(RAM_DEBUG, "C%uS%u:\n", channel, slot); -+ printk(RAM_DEBUG, "\tMR0: 0x%04x\n", ctrl->mr0[channel][slot]); -+ printk(RAM_DEBUG, "\tMR1: 0x%04x\n", ctrl->mr1[channel][slot]); -+ printk(RAM_DEBUG, "\tMR2: 0x%04x\n", ctrl->mr2[channel][slot]); -+ printk(RAM_DEBUG, "\tMR3: 0x%04x\n", ctrl->mr3[channel][slot]); -+ printk(RAM_DEBUG, "\n"); -+ } -+ if (ctrl->is_ecc) { -+ union mad_dimm_reg mad_dimm = { -+ .raw = mchbar_read32(MAD_DIMM(channel)), -+ }; -+ /* Enable ECC I/O */ -+ mad_dimm.ecc_mode = 1; -+ mchbar_write32(MAD_DIMM(channel), mad_dimm.raw); -+ /* Wait 4 usec after enabling the ECC I/O, needed by HW */ -+ udelay(4); -+ } -+ } -+ setup_wdb(ctrl); -+ return RAMINIT_STATUS_SUCCESS; -+} -+ - struct task_entry { - enum raminit_status (*task)(struct sysinfo *); - bool is_enabled; -@@ -26,6 +59,7 @@ static const struct task_entry cold_boot[] = { - { configure_mc, true, "CONFMC", }, - { configure_memory_map, true, "MEMMAP", }, - { do_jedec_init, true, "JEDECINIT", }, -+ { pre_training, true, "PRETRAIN", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index e3cf4254a0..f29c2ec366 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -35,6 +35,13 @@ - - #define RTTNOM_MASK (BIT(9) | BIT(6) | BIT(2)) - -+#define BASIC_VA_PAT_SPREAD_8 0x01010101 -+ -+#define WDB_CACHE_LINE_SIZE 8 -+ -+#define NUM_WDB_CL_MUX_SEEDS 3 -+#define NUM_CADB_MUX_SEEDS 3 -+ - /* ZQ calibration types */ - enum { - ZQ_INIT, /* DDR3: ZQCL with tZQinit, LPDDR3: ZQ Init with tZQinit */ -@@ -318,6 +325,23 @@ void reut_issue_mrs_all( - - enum raminit_status reut_issue_zq(struct sysinfo *ctrl, uint8_t chanmask, uint8_t zq_type); - -+void write_wdb_fixed_pat( -+ const struct sysinfo *ctrl, -+ const uint8_t patterns[], -+ const uint8_t pat_mask[], -+ uint8_t spread, -+ uint16_t start); -+ -+void write_wdb_va_pat( -+ const struct sysinfo *ctrl, -+ uint32_t agg_mask, -+ uint32_t vic_mask, -+ uint8_t vic_rot, -+ uint16_t start); -+ -+void program_wdb_lfsr(const struct sysinfo *ctrl, bool cleanup); -+void setup_wdb(const struct sysinfo *ctrl); -+ - uint8_t get_rx_bias(const struct sysinfo *ctrl); - - uint8_t get_tCWL(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index 9929f617fe..7aa8d8c8b2 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -335,6 +335,18 @@ union mcscheds_cbit_reg { - uint32_t raw; - }; - -+union reut_pat_cl_mux_lmn_reg { -+ struct __packed { -+ uint32_t l_data_select : 1; // Bits 0:0 -+ uint32_t en_sweep_freq : 1; // Bits 1:1 -+ uint32_t : 6; // Bits 7:2 -+ uint32_t l_counter : 8; // Bits 15:8 -+ uint32_t m_counter : 8; // Bits 23:16 -+ uint32_t n_counter : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ - union reut_pat_cadb_prog_reg { - struct __packed { - uint32_t addr : 16; // Bits 15:0 -@@ -439,6 +451,39 @@ union reut_misc_odt_ctrl_reg { - uint32_t raw; - }; - -+union ldat_pdat_reg { -+ struct __packed { -+ uint32_t fast_addr : 12; // Bits 11:0 -+ uint32_t : 4; // Bits 15:12 -+ uint32_t addr_en : 1; // Bits 16:16 -+ uint32_t seq_en : 1; // Bits 17:17 -+ uint32_t pol_0 : 1; // Bits 18:18 -+ uint32_t pol_1 : 1; // Bits 19:19 -+ uint32_t cmd_a : 4; // Bits 23:20 -+ uint32_t cmd_b : 4; // Bits 27:24 -+ uint32_t cmd_c : 4; // Bits 31:28 -+ }; -+ uint32_t raw; -+}; -+ -+union ldat_sdat_reg { -+ struct __packed { -+ uint32_t bank_sel : 4; // Bits 3:0 -+ uint32_t : 1; // Bits 4:4 -+ uint32_t array_sel : 5; // Bits 9:5 -+ uint32_t cmp : 1; // Bits 10:10 -+ uint32_t replicate : 1; // Bits 11:11 -+ uint32_t dword : 4; // Bits 15:12 -+ uint32_t mode : 2; // Bits 17:16 -+ uint32_t mpmap : 6; // Bits 23:18 -+ uint32_t mpb_offset : 4; // Bits 27:24 -+ uint32_t stage_en : 1; // Bits 28:28 -+ uint32_t shadow : 2; // Bits 30:29 -+ uint32_t : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ - union mcscheds_dft_misc_reg { - struct __packed { - uint32_t wdar : 1; // Bits 0:0 -diff --git a/src/northbridge/intel/haswell/native_raminit/setup_wdb.c b/src/northbridge/intel/haswell/native_raminit/setup_wdb.c -new file mode 100644 -index 0000000000..ec37c48415 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/setup_wdb.c -@@ -0,0 +1,159 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static void ldat_write_cacheline( -+ const struct sysinfo *const ctrl, -+ const uint8_t chunk, -+ const uint16_t start, -+ const uint64_t data) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ /* -+ * Do not do a 64-bit write here. The register is not aligned -+ * to a 64-bit boundary, which could potentially cause issues. -+ */ -+ mchbar_write32(QCLK_ch_LDAT_DATA_IN_x(channel, 0), data & UINT32_MAX); -+ mchbar_write32(QCLK_ch_LDAT_DATA_IN_x(channel, 1), data >> 32); -+ /* -+ * Set REPLICATE = 0 as you don't want to replicate the data. -+ * Set BANK_SEL to the chunk you want to write the 64 bits to. -+ * Set ARRAY_SEL = 0 (the MC WDB) and MODE = 1. -+ */ -+ const union ldat_sdat_reg ldat_sdat = { -+ .bank_sel = chunk, -+ .mode = 1, -+ }; -+ mchbar_write32(QCLK_ch_LDAT_SDAT(channel), ldat_sdat.raw); -+ /* -+ * Finally, write the PDAT register indicating which cacheline -+ * of the WDB you want to write to by setting FAST_ADDR field -+ * to one of the 64 cache lines. Also set CMD_B in the PDAT -+ * register to 4'b1000, indicating that this is a LDAT write. -+ */ -+ const union ldat_pdat_reg ldat_pdat = { -+ .fast_addr = MIN(start, 0xfff), -+ .cmd_b = 8, -+ }; -+ mchbar_write32(QCLK_ch_LDAT_PDAT(channel), ldat_pdat.raw); -+ } -+} -+ -+static void clear_ldat_mode(const struct sysinfo *const ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) -+ mchbar_write32(QCLK_ch_LDAT_SDAT(channel), 0); -+} -+ -+void write_wdb_fixed_pat( -+ const struct sysinfo *const ctrl, -+ const uint8_t patterns[], -+ const uint8_t pat_mask[], -+ const uint8_t spread, -+ const uint16_t start) -+{ -+ for (uint8_t chunk = 0; chunk < WDB_CACHE_LINE_SIZE; chunk++) { -+ uint64_t data = 0; -+ for (uint8_t b = 0; b < 64; b++) { -+ const uint8_t beff = b % spread; -+ const uint8_t burst = patterns[pat_mask[beff]]; -+ if (burst & BIT(chunk)) -+ data |= 1ULL << b; -+ } -+ ldat_write_cacheline(ctrl, chunk, start, data); -+ } -+ clear_ldat_mode(ctrl); -+} -+ -+static inline uint32_t rol_u32(const uint32_t val) -+{ -+ return (val << 1) | ((val >> 31) & 1); -+} -+ -+void write_wdb_va_pat( -+ const struct sysinfo *const ctrl, -+ const uint32_t agg_mask, -+ const uint32_t vic_mask, -+ const uint8_t vic_rot, -+ const uint16_t start) -+{ -+ static const uint8_t va_mask_to_compressed[4] = {0xaa, 0xc0, 0xcc, 0xf0}; -+ uint32_t v_mask = vic_mask; -+ uint32_t a_mask = agg_mask; -+ for (uint8_t v = 0; v < vic_rot; v++) { -+ uint8_t compressed[32] = {0}; -+ /* Iterate through all 32 bits and create a compressed version of cacheline */ -+ for (uint8_t b = 0; b < ARRAY_SIZE(compressed); b++) { -+ const uint8_t vic = !!(v_mask & BIT(b)); -+ const uint8_t agg = !!(a_mask & BIT(b)); -+ const uint8_t index = !vic << 1 | agg << 0; -+ compressed[b] = va_mask_to_compressed[index]; -+ } -+ for (uint8_t chunk = 0; chunk < WDB_CACHE_LINE_SIZE; chunk++) { -+ uint32_t data = 0; -+ for (uint8_t b = 0; b < ARRAY_SIZE(compressed); b++) -+ data |= !!(compressed[b] & BIT(chunk)) << b; -+ -+ const uint64_t data64 = (uint64_t)data << 32 | data; -+ ldat_write_cacheline(ctrl, chunk, start + v, data64); -+ } -+ v_mask = rol_u32(v_mask); -+ a_mask = rol_u32(a_mask); -+ } -+ clear_ldat_mode(ctrl); -+} -+ -+void program_wdb_lfsr(const struct sysinfo *ctrl, const bool cleanup) -+{ -+ /* Cleanup LFSR seeds are sequential */ -+ const uint32_t cleanup_seeds[NUM_WDB_CL_MUX_SEEDS] = { 0xaaaaaa, 0xcccccc, 0xf0f0f0 }; -+ const uint32_t regular_seeds[NUM_WDB_CL_MUX_SEEDS] = { 0xa10ca1, 0xef0d08, 0xad0a1e }; -+ const uint32_t *seeds = cleanup ? cleanup_seeds : regular_seeds; -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t i = 0; i < NUM_WDB_CL_MUX_SEEDS; i++) { -+ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_RD_x(channel, i), seeds[i]); -+ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_WR_x(channel, i), seeds[i]); -+ } -+ } -+} -+ -+void setup_wdb(const struct sysinfo *ctrl) -+{ -+ const uint32_t amask[9] = { -+ 0x86186186, 0x18618618, 0x30c30c30, -+ 0xa28a28a2, 0x8a28a28a, 0x14514514, -+ 0x28a28a28, 0x92492492, 0x24924924, -+ }; -+ const uint32_t vmask = 0x41041041; -+ -+ /* Fill first 8 entries with simple 2-LFSR VA pattern */ -+ write_wdb_va_pat(ctrl, 0, BASIC_VA_PAT_SPREAD_8, 8, 0); -+ -+ /* Fill next 54 entries with 3-LFSR VA pattern */ -+ for (uint8_t a = 0; a < ARRAY_SIZE(amask); a++) -+ write_wdb_va_pat(ctrl, amask[a], vmask, 6, 8 + a * 6); -+ -+ program_wdb_lfsr(ctrl, false); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ const union reut_pat_cl_mux_lmn_reg wdb_cl_mux_lmn = { -+ .en_sweep_freq = 1, -+ .l_counter = 1, -+ .m_counter = 1, -+ .n_counter = 10, -+ }; -+ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_LMN(channel), wdb_cl_mux_lmn.raw); -+ } -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 4fc78a7f43..f8408e51a0 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -94,6 +94,11 @@ - #define TC_BANK_RANK_D_ch(ch) _MCMAIN_C(0x4014, ch) - #define SC_ROUNDT_LAT_ch(ch) _MCMAIN_C(0x4024, ch) - -+#define REUT_ch_PAT_WDB_CL_MUX_WR_x(ch, x) _MCMAIN_C_X(0x4048, ch, x) /* x in 0 .. 2 */ -+#define REUT_ch_PAT_WDB_CL_MUX_RD_x(ch, x) _MCMAIN_C_X(0x4054, ch, x) /* x in 0 .. 2 */ -+ -+#define REUT_ch_PAT_WDB_CL_MUX_LMN(ch) _MCMAIN_C(0x4078, ch) -+ - #define SC_WR_ADD_DELAY_ch(ch) _MCMAIN_C(0x40d0, ch) - - #define REUT_ch_MISC_CKE_CTRL(ch) _MCMAIN_C(0x4190, ch) -@@ -110,6 +115,10 @@ - #define MC_INIT_STATE_ch(ch) _MCMAIN_C(0x42a0, ch) - #define TC_SRFTP_ch(ch) _MCMAIN_C(0x42a4, ch) - -+#define QCLK_ch_LDAT_PDAT(ch) _MCMAIN_C(0x42d0, ch) -+#define QCLK_ch_LDAT_SDAT(ch) _MCMAIN_C(0x42d4, ch) -+#define QCLK_ch_LDAT_DATA_IN_x(ch, x) _MCMAIN_C_X(0x42dc, ch, x) /* x in 0 .. 1 */ -+ - #define REUT_GLOBAL_ERR 0x4804 - - #define REUT_ch_SEQ_CFG(ch) (0x48a8 + 8 * (ch)) --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0018-haswell-NRI-Add-REUT-I-O-test-library.patch b/resources/coreboot/haswell/patches/0018-haswell-NRI-Add-REUT-I-O-test-library.patch deleted file mode 100644 index 5df22ed3..00000000 --- a/resources/coreboot/haswell/patches/0018-haswell-NRI-Add-REUT-I-O-test-library.patch +++ /dev/null @@ -1,1128 +0,0 @@ -From f4dd460d609276de7cb7db91f145a404451a2301 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 00:11:29 +0200 -Subject: [PATCH 18/26] haswell NRI: Add REUT I/O test library - -Implement a library to run I/O tests using the REUT hardware. - -Change-Id: Id7b207cd0a3989ddd23c88c6b1f0cfa79d2c861f -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_native.h | 110 +++ - .../haswell/native_raminit/reg_structs.h | 121 +++ - .../intel/haswell/native_raminit/testing_io.c | 742 ++++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 30 + - 5 files changed, 1004 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/testing_io.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 8d7d4e4db0..6e1b365602 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -12,4 +12,5 @@ romstage-y += raminit_native.c - romstage-y += reut.c - romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c -+romstage-y += testing_io.c - romstage-y += timings_refresh.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index f29c2ec366..56df36ca8d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -58,6 +58,88 @@ enum { - REUT_MODE_NOP = 3, /* Normal operation mode */ - }; - -+/* REUT error counter control */ -+enum { -+ COUNT_ERRORS_PER_CHANNEL = 0, -+ COUNT_ERRORS_PER_LANE = 1, -+ COUNT_ERRORS_PER_BYTE_GROUP = 2, -+ COUNT_ERRORS_PER_CHUNK = 3, -+}; -+ -+enum wdb_dq_pattern { -+ BASIC_VA = 0, -+ SEGMENT_WDB, -+ CADB, -+ TURN_AROUND, -+ LMN_VA, -+ TURN_AROUND_WR, -+ TURN_AROUND_ODT, -+ RD_RD_TA, -+ RD_RD_TA_ALL, -+}; -+ -+enum reut_cmd_pat { -+ PAT_WR_RD, -+ PAT_WR, -+ PAT_RD, -+ PAT_RD_WR_TA, -+ PAT_WR_RD_TA, -+ PAT_ODT_TA, -+}; -+ -+/* REUT subsequence types (B = Base, O = Offset) */ -+enum { -+ SUBSEQ_B_RD = 0 << 22, -+ SUBSEQ_B_WR = 1 << 22, -+ SUBSEQ_B_RD_WR = 2 << 22, -+ SUBSEQ_B_WR_RD = 3 << 22, -+ SUBSEQ_O_RD = 4 << 22, -+ SUBSEQ_O_WR = 5 << 22, -+}; -+ -+/* REUT mux control */ -+enum { -+ REUT_MUX_LMN = 0, -+ REUT_MUX_BTBUFFER = 1, -+ REUT_MUX_LFSR = 2, -+}; -+ -+/* Increment scale */ -+enum { -+ SCALE_LOGARITHM = 0, -+ SCALE_LINEAR = 1, -+}; -+ -+enum test_stop { -+ NSOE = 0, /* Never stop on error */ -+ NTHSOE = 1, /* Stop on the nth error (we use n = 1) */ -+ ABGSOE = 2, /* Stop on all byte groups error */ -+ ALSOE = 3, /* Stop on all lanes error */ -+}; -+ -+struct wdb_pat { -+ uint32_t start_ptr; /* Starting pointer in WDB */ -+ uint32_t stop_ptr; /* Stopping pointer in WDB */ -+ uint16_t inc_rate; /* How quickly the WDB walks through cachelines */ -+ uint8_t dq_pattern; /* DQ pattern to use (see enum wdb_dq_pattern above) */ -+}; -+ -+struct reut_pole { -+ uint16_t start; -+ uint16_t stop; -+ uint16_t order; -+ uint32_t inc_rate; -+ uint16_t inc_val; -+ bool wrap_trigger; -+}; -+ -+struct reut_box { -+ struct reut_pole rank; -+ struct reut_pole bank; -+ struct reut_pole row; -+ struct reut_pole col; -+}; -+ - enum command_training_iteration { - CT_ITERATION_CLOCK = 0, - CT_ITERATION_CMD_NORTH, -@@ -199,6 +281,10 @@ struct sysinfo { - uint16_t mr1[NUM_CHANNELS][NUM_SLOTRANKS]; - uint16_t mr2[NUM_CHANNELS][NUM_SLOTRANKS]; - uint16_t mr3[NUM_CHANNELS][NUM_SLOTRANKS]; -+ -+ uint8_t dq_pat; -+ -+ uint8_t dq_pat_lc; - }; - - static inline bool is_hsw_ult(void) -@@ -342,6 +428,30 @@ void write_wdb_va_pat( - void program_wdb_lfsr(const struct sysinfo *ctrl, bool cleanup); - void setup_wdb(const struct sysinfo *ctrl); - -+void program_seq_addr(uint8_t channel, const struct reut_box *reut_addr, bool log_seq_addr); -+void program_loop_count(const struct sysinfo *ctrl, uint8_t channel, uint8_t lc_exp); -+ -+void setup_io_test( -+ struct sysinfo *ctrl, -+ uint8_t chanmask, -+ enum reut_cmd_pat cmd_pat, -+ uint16_t num_cl, -+ uint8_t lc, -+ const struct reut_box *reut_addr, -+ enum test_stop soe, -+ const struct wdb_pat *pat, -+ uint8_t en_cadb, -+ uint8_t subseq_wait); -+ -+void setup_io_test_cadb(struct sysinfo *ctrl, uint8_t chanmask, uint8_t lc, enum test_stop soe); -+void setup_io_test_basic_va(struct sysinfo *ctrl, uint8_t chm, uint8_t lc, enum test_stop soe); -+void setup_io_test_mpr(struct sysinfo *ctrl, uint8_t chanmask, uint8_t lc, enum test_stop soe); -+ -+uint8_t select_reut_ranks(struct sysinfo *ctrl, uint8_t channel, uint8_t rankmask); -+ -+void run_mpr_io_test(bool clear_errors); -+uint8_t run_io_test(struct sysinfo *ctrl, uint8_t chanmask, uint8_t dq_pat, bool clear_errors); -+ - uint8_t get_rx_bias(const struct sysinfo *ctrl); - - uint8_t get_tCWL(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index 7aa8d8c8b2..b943259b91 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -347,6 +347,54 @@ union reut_pat_cl_mux_lmn_reg { - uint32_t raw; - }; - -+union reut_err_ctl_reg { -+ struct __packed { -+ uint32_t stop_on_nth_error : 6; // Bits 5:0 -+ uint32_t : 6; // Bits 11:6 -+ uint32_t stop_on_error_control : 2; // Bits 13:12 -+ uint32_t : 2; // Bits 15:14 -+ uint32_t selective_err_enable_chunk : 8; // Bits 23:16 -+ uint32_t selective_err_enable_cacheline : 8; // Bits 31:24 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_pat_cadb_mux_ctrl_reg { -+ struct __packed { -+ uint32_t mux_0_ctrl : 2; // Bits 1:0 -+ uint32_t : 2; // Bits 3:2 -+ uint32_t mux_1_ctrl : 2; // Bits 5:4 -+ uint32_t : 2; // Bits 7:6 -+ uint32_t mux_2_ctrl : 2; // Bits 9:8 -+ uint32_t : 6; // Bits 15:10 -+ uint32_t sel_mux_0_ctrl : 2; // Bits 17:16 -+ uint32_t : 2; // Bits 19:18 -+ uint32_t sel_mux_1_ctrl : 2; // Bits 21:20 -+ uint32_t : 2; // Bits 23:22 -+ uint32_t sel_mux_2_ctrl : 2; // Bits 25:24 -+ uint32_t : 6; // Bits 31:26 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_pat_wdb_cl_mux_cfg_reg { -+ struct __packed { -+ uint32_t mux_0_control : 2; // Bits 1:0 -+ uint32_t : 1; // Bits 2:2 -+ uint32_t mux_1_control : 2; // Bits 4:3 -+ uint32_t : 1; // Bits 5:5 -+ uint32_t mux_2_control : 2; // Bits 7:6 -+ uint32_t : 6; // Bits 13:8 -+ uint32_t ecc_replace_byte_ctl : 1; // Bits 14:14 -+ uint32_t ecc_data_source_sel : 1; // Bits 15:15 -+ uint32_t save_lfsr_seed_rate : 6; // Bits 21:16 -+ uint32_t : 2; // Bits 23:22 -+ uint32_t reload_lfsr_seed_rate : 3; // Bits 26:24 -+ uint32_t : 5; // Bits 31:27 -+ }; -+ uint32_t raw; -+}; -+ - union reut_pat_cadb_prog_reg { - struct __packed { - uint32_t addr : 16; // Bits 15:0 -@@ -366,6 +414,19 @@ union reut_pat_cadb_prog_reg { - uint32_t raw32[2]; - }; - -+union reut_pat_wdb_cl_ctrl_reg { -+ struct __packed { -+ uint32_t inc_rate : 5; // Bits 4:0 -+ uint32_t inc_scale : 1; // Bits 5:5 -+ uint32_t : 2; // Bits 7:6 -+ uint32_t start_ptr : 6; // Bits 13:8 -+ uint32_t : 2; // Bits 15:14 -+ uint32_t end_ptr : 6; // Bits 21:16 -+ uint32_t : 10; // Bits 31:22 -+ }; -+ uint32_t raw; -+}; -+ - union reut_pat_cadb_mrs_reg { - struct __packed { - uint32_t delay_gap : 3; // Bits 2:0 -@@ -406,6 +467,66 @@ union reut_seq_cfg_reg { - uint32_t raw32[2]; - }; - -+union reut_seq_base_addr_reg { -+ struct __packed { -+ uint32_t : 3; // Bits 2:0 -+ uint32_t col_addr : 8; // Bits 10:3 -+ uint32_t : 13; // Bits 23:11 -+ uint32_t row_addr : 16; // Bits 39:24 -+ uint32_t : 8; // Bits 47:40 -+ uint32_t bank_addr : 3; // Bits 50:48 -+ uint32_t : 5; // Bits 55:51 -+ uint32_t rank_addr : 3; // Bits 58:56 -+ uint32_t : 5; // Bits 63:59 -+ }; -+ uint32_t raw32[2]; -+ uint64_t raw; -+}; -+ -+union reut_seq_misc_ctl_reg { -+ struct __packed { -+ uint32_t col_addr_order : 2; // Bits 1:0 -+ uint32_t row_addr_order : 2; // Bits 3:2 -+ uint32_t bank_addr_order : 2; // Bits 5:4 -+ uint32_t rank_addr_order : 2; // Bits 7:6 -+ uint32_t : 5; // Bits 12:8 -+ uint32_t addr_invert_rate : 3; // Bits 15:13 -+ uint32_t : 4; // Bits 19:16 -+ uint32_t col_addr_invert_en : 1; // Bits 20:20 -+ uint32_t row_addr_invert_en : 1; // Bits 21:21 -+ uint32_t bank_addr_invert_en : 1; // Bits 22:22 -+ uint32_t rank_addr_invert_en : 1; // Bits 23:23 -+ uint32_t col_wrap_trigger_en : 1; // Bits 24:24 -+ uint32_t row_wrap_trigger_en : 1; // Bits 25:25 -+ uint32_t bank_wrap_trigger_en : 1; // Bits 26:26 -+ uint32_t rank_wrap_trigger_en : 1; // Bits 27:27 -+ uint32_t col_wrap_carry_en : 1; // Bits 28:28 -+ uint32_t row_wrap_carry_en : 1; // Bits 29:29 -+ uint32_t bank_wrap_carry_en : 1; // Bits 30:30 -+ uint32_t rank_wrap_carry_en : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ -+union reut_seq_addr_inc_ctl_reg { -+ struct __packed { -+ uint32_t : 3; // Bits 2:0 -+ uint32_t col_addr_increment : 8; // Bits 10:3 -+ uint32_t : 1; // Bits 11:11 -+ uint32_t col_addr_update : 8; // Bits 19:12 -+ uint32_t row_addr_increment : 12; // Bits 31:20 -+ uint32_t row_addr_update : 6; // Bits 37:32 -+ uint32_t bank_addr_increment : 3; // Bits 40:38 -+ uint32_t : 3; // Bits 43:41 -+ uint32_t bank_addr_update : 8; // Bits 53:44 -+ uint32_t rank_addr_increment : 3; // Bits 54:52 -+ uint32_t : 1; // Bits 55:55 -+ uint32_t rank_addr_update : 8; // Bits 63:56 -+ }; -+ uint64_t raw; -+ uint32_t raw32[2]; -+}; -+ - union reut_seq_ctl_reg { - struct __packed { - uint32_t start_test : 1; // Bits 0:0 -diff --git a/src/northbridge/intel/haswell/native_raminit/testing_io.c b/src/northbridge/intel/haswell/native_raminit/testing_io.c -new file mode 100644 -index 0000000000..7716fc4285 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/testing_io.c -@@ -0,0 +1,742 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <delay.h> -+#include <lib.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <timer.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static void set_cadb_patterns(const uint8_t channel, const uint16_t seeds[NUM_CADB_MUX_SEEDS]) -+{ -+ for (uint8_t i = 0; i < NUM_CADB_MUX_SEEDS; i++) -+ mchbar_write32(REUT_ch_PAT_CADB_MUX_x(channel, i), seeds[i]); -+} -+ -+static void setup_cadb( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t vic_spread, -+ const uint8_t vic_bit) -+{ -+ const bool lmn_en = false; -+ -+ /* -+ * Currently, always start writing at CADB row 0. -+ * Could add a start point parameter in the future. -+ */ -+ mchbar_write8(REUT_ch_PAT_CADB_WRITE_PTR(channel), 0); -+ const uint8_t num_cadb_rows = 8; -+ for (uint8_t row = 0; row < num_cadb_rows; row++) { -+ const uint8_t lfsr0 = (row >> 0) & 1; -+ const uint8_t lfsr1 = (row >> 1) & 1; -+ uint64_t reg64 = 0; -+ for (uint8_t bit = 0; bit < 22; bit++) { -+ uint8_t bremap; -+ if (bit >= 19) { -+ /* (bremap in 40 .. 42) => CADB data control */ -+ bremap = bit + 21; -+ } else if (bit >= 16) { -+ /* (bremap in 24 .. 26) => CADB data bank */ -+ bremap = bit + 8; -+ } else { -+ /* (bremap in 0 .. 15) => CADB data address */ -+ bremap = bit; -+ } -+ const uint8_t fine = bit % vic_spread; -+ reg64 |= ((uint64_t)(fine == vic_bit ? lfsr0 : lfsr1)) << bremap; -+ } -+ /* -+ * Write row. CADB pointer is auto incremented after every write. This must be -+ * a single 64-bit write, otherwise the CADB pointer will auto-increment twice. -+ */ -+ mchbar_write64(REUT_ch_PAT_CADB_PROG(channel), reg64); -+ } -+ const union reut_pat_cadb_mux_ctrl_reg cadb_mux_ctrl = { -+ .mux_0_ctrl = lmn_en ? REUT_MUX_LMN : REUT_MUX_LFSR, -+ .mux_1_ctrl = REUT_MUX_LFSR, -+ .mux_2_ctrl = REUT_MUX_LFSR, -+ }; -+ mchbar_write32(REUT_ch_PAT_CADB_MUX_CTRL(channel), cadb_mux_ctrl.raw); -+ const union reut_pat_cl_mux_lmn_reg cadb_cl_mux_lmn = { -+ .en_sweep_freq = 1, -+ .l_counter = 1, -+ .m_counter = 1, -+ .n_counter = 6, -+ }; -+ mchbar_write32(REUT_ch_PAT_CADB_CL_MUX_LMN(channel), cadb_cl_mux_lmn.raw); -+ const uint16_t cadb_mux_seeds[NUM_CADB_MUX_SEEDS] = { 0x0ea1, 0xbeef, 0xdead }; -+ set_cadb_patterns(channel, cadb_mux_seeds); -+} -+ -+static uint32_t calc_rate(const uint32_t rate, const uint32_t lim, const uint8_t scale_bit) -+{ -+ return rate > lim ? log2_ceil(rate - 1) : BIT(scale_bit) | rate; -+} -+ -+void program_seq_addr( -+ const uint8_t channel, -+ const struct reut_box *reut_addr, -+ const bool log_seq_addr) -+{ -+ const int loglevel = log_seq_addr ? BIOS_ERR : BIOS_NEVER; -+ const uint32_t div = 8; -+ union reut_seq_base_addr_reg reut_seq_addr_start = { -+ .col_addr = reut_addr->col.start / div, -+ .row_addr = reut_addr->row.start, -+ .bank_addr = reut_addr->bank.start, -+ .rank_addr = reut_addr->rank.start, -+ }; -+ mchbar_write64(REUT_ch_SEQ_ADDR_START(channel), reut_seq_addr_start.raw); -+ reut_seq_addr_start.raw = mchbar_read64(REUT_ch_SEQ_ADDR_START(channel)); -+ printk(loglevel, "\tStart column: %u\n", reut_seq_addr_start.col_addr); -+ printk(loglevel, "\tStart row: %u\n", reut_seq_addr_start.row_addr); -+ printk(loglevel, "\tStart bank: %u\n", reut_seq_addr_start.bank_addr); -+ printk(loglevel, "\tStart rank: %u\n", reut_seq_addr_start.rank_addr); -+ printk(loglevel, "\n"); -+ -+ union reut_seq_base_addr_reg reut_seq_addr_stop = { -+ .col_addr = reut_addr->col.stop / div, -+ .row_addr = reut_addr->row.stop, -+ .bank_addr = reut_addr->bank.stop, -+ .rank_addr = reut_addr->rank.stop, -+ }; -+ mchbar_write64(REUT_ch_SEQ_ADDR_WRAP(channel), reut_seq_addr_stop.raw); -+ reut_seq_addr_stop.raw = mchbar_read64(REUT_ch_SEQ_ADDR_WRAP(channel)); -+ printk(loglevel, "\tStop column: %u\n", reut_seq_addr_stop.col_addr); -+ printk(loglevel, "\tStop row: %u\n", reut_seq_addr_stop.row_addr); -+ printk(loglevel, "\tStop bank: %u\n", reut_seq_addr_stop.bank_addr); -+ printk(loglevel, "\tStop rank: %u\n", reut_seq_addr_stop.rank_addr); -+ printk(loglevel, "\n"); -+ -+ union reut_seq_misc_ctl_reg reut_seq_misc_ctl = { -+ .col_wrap_trigger_en = reut_addr->col.wrap_trigger, -+ .row_wrap_trigger_en = reut_addr->row.wrap_trigger, -+ .bank_wrap_trigger_en = reut_addr->bank.wrap_trigger, -+ .rank_wrap_trigger_en = reut_addr->rank.wrap_trigger, -+ }; -+ mchbar_write32(REUT_ch_SEQ_MISC_CTL(channel), reut_seq_misc_ctl.raw); -+ printk(loglevel, "\tWrap column: %u\n", reut_addr->col.wrap_trigger); -+ printk(loglevel, "\tWrap row: %u\n", reut_addr->row.wrap_trigger); -+ printk(loglevel, "\tWrap bank: %u\n", reut_addr->bank.wrap_trigger); -+ printk(loglevel, "\tWrap rank: %u\n", reut_addr->rank.wrap_trigger); -+ printk(loglevel, "\n"); -+ -+ union reut_seq_addr_inc_ctl_reg reut_seq_addr_inc_ctl = { -+ .col_addr_update = calc_rate(reut_addr->col.inc_rate, 31, 7), -+ .row_addr_update = calc_rate(reut_addr->row.inc_rate, 15, 5), -+ .bank_addr_update = calc_rate(reut_addr->bank.inc_rate, 31, 7), -+ .rank_addr_update = calc_rate(reut_addr->rank.inc_rate, 31, 7), -+ .col_addr_increment = reut_addr->col.inc_val, -+ .row_addr_increment = reut_addr->row.inc_val, -+ .bank_addr_increment = reut_addr->bank.inc_val, -+ .rank_addr_increment = reut_addr->rank.inc_val, -+ }; -+ printk(loglevel, "\tUpdRate column: %u\n", reut_addr->col.inc_rate); -+ printk(loglevel, "\tUpdRate row: %u\n", reut_addr->row.inc_rate); -+ printk(loglevel, "\tUpdRate bank: %u\n", reut_addr->bank.inc_rate); -+ printk(loglevel, "\tUpdRate rank: %u\n", reut_addr->rank.inc_rate); -+ printk(loglevel, "\n"); -+ printk(loglevel, "\tUpdRateCR column: %u\n", reut_seq_addr_inc_ctl.col_addr_update); -+ printk(loglevel, "\tUpdRateCR row: %u\n", reut_seq_addr_inc_ctl.row_addr_update); -+ printk(loglevel, "\tUpdRateCR bank: %u\n", reut_seq_addr_inc_ctl.bank_addr_update); -+ printk(loglevel, "\tUpdRateCR rank: %u\n", reut_seq_addr_inc_ctl.rank_addr_update); -+ printk(loglevel, "\n"); -+ printk(loglevel, "\tUpdInc column: %u\n", reut_seq_addr_inc_ctl.col_addr_increment); -+ printk(loglevel, "\tUpdInc row: %u\n", reut_seq_addr_inc_ctl.row_addr_increment); -+ printk(loglevel, "\tUpdInc bank: %u\n", reut_seq_addr_inc_ctl.bank_addr_increment); -+ printk(loglevel, "\tUpdInc rank: %u\n", reut_seq_addr_inc_ctl.rank_addr_increment); -+ printk(loglevel, "\n"); -+ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel), reut_seq_addr_inc_ctl.raw); -+} -+ -+/* -+ * Early steppings take exponential (base 2) loopcount values, -+ * but later steppings take linear loopcount values elsewhere. -+ * Address the differences in register offset and format here. -+ */ -+void program_loop_count(const struct sysinfo *ctrl, const uint8_t channel, const uint8_t lc_exp) -+{ -+ if (ctrl->stepping >= STEPPING_C0) { -+ const uint32_t loopcount = lc_exp >= 32 ? 0 : BIT(lc_exp); -+ mchbar_write32(HSW_REUT_ch_SEQ_LOOP_COUNT(channel), loopcount); -+ } else { -+ const uint8_t loopcount = lc_exp >= 32 ? 0 : lc_exp + 1; -+ union reut_seq_cfg_reg reut_seq_cfg = { -+ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)), -+ }; -+ reut_seq_cfg.early_steppings_loop_count = loopcount; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ } -+} -+ -+static inline void write_subseq(const uint8_t channel, const uint8_t idx, const uint32_t ssq) -+{ -+ mchbar_write32(REUT_ch_SUBSEQ_x_CTL(channel, idx), ssq); -+} -+ -+static void program_subseq( -+ struct sysinfo *const ctrl, -+ const uint8_t channel, -+ const enum reut_cmd_pat cmd_pat, -+ const uint32_t ss_a, -+ const uint32_t ss_b) -+{ -+ switch (cmd_pat) { -+ case PAT_WR_RD_TA: -+ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR); -+ for (uint8_t i = 1; i < 7; i++) -+ write_subseq(channel, i, ss_b | SUBSEQ_B_RD_WR); -+ -+ write_subseq(channel, 7, ss_a | SUBSEQ_B_RD); -+ break; -+ case PAT_RD_WR_TA: -+ write_subseq(channel, 0, ss_b | SUBSEQ_B_WR_RD); -+ break; -+ case PAT_ODT_TA: -+ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR); -+ write_subseq(channel, 1, ss_b | SUBSEQ_B_RD_WR); -+ write_subseq(channel, 2, ss_a | SUBSEQ_B_RD); -+ write_subseq(channel, 3, ss_b | SUBSEQ_B_WR_RD); -+ break; -+ default: -+ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR); -+ write_subseq(channel, 1, ss_a | SUBSEQ_B_RD); -+ break; -+ } -+} -+ -+void setup_io_test( -+ struct sysinfo *ctrl, -+ const uint8_t chanmask, -+ const enum reut_cmd_pat cmd_pat, -+ const uint16_t num_cl, -+ const uint8_t lc, -+ const struct reut_box *const reut_addr, -+ const enum test_stop soe, -+ const struct wdb_pat *const pat, -+ const uint8_t en_cadb, -+ const uint8_t subseq_wait) -+{ -+ if (!chanmask) -+ die("\n%s: invalid chanmask\n", __func__, chanmask); -+ -+ /* -+ * Prepare variables needed for both channels. -+ * Check for the cases where this MUST be 1: when -+ * we manually walk through subseq ODT and TA Wr. -+ */ -+ uint8_t lc_exp = MAX(lc - log2_ceil(num_cl), 0); -+ if (cmd_pat == PAT_WR_RD_TA || cmd_pat == PAT_ODT_TA) -+ lc_exp = 0; -+ -+ uint8_t num_clcr; -+ if (num_cl > 127) { -+ /* Assume exponential number */ -+ num_clcr = log2_ceil(num_cl); -+ } else { -+ /* Set number of cache lines as linear number */ -+ num_clcr = num_cl | BIT(7); -+ } -+ -+ const uint16_t num_cl2 = 2 * num_cl; -+ uint8_t num_cl2cr; -+ if (num_cl2 > 127) { -+ /* Assume exponential number */ -+ num_cl2cr = log2_ceil(num_cl2); -+ } else { -+ /* Set number of cache lines as linear number */ -+ num_cl2cr = num_cl2 | BIT(7); -+ } -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(chanmask & BIT(channel))) { -+ union reut_seq_cfg_reg reut_seq_cfg = { -+ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)), -+ }; -+ reut_seq_cfg.global_control = 0; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ continue; -+ } -+ -+ /* -+ * Program CADB -+ */ -+ mchbar_write8(REUT_ch_MISC_PAT_CADB_CTRL(channel), !!en_cadb); -+ if (en_cadb) -+ setup_cadb(ctrl, channel, 7, 8); -+ -+ /* -+ * Program sequence -+ */ -+ uint8_t subseq_start = 0; -+ uint8_t subseq_end = 0; -+ switch (cmd_pat) { -+ case PAT_WR_RD: -+ subseq_end = 1; -+ break; -+ case PAT_WR: -+ break; -+ case PAT_RD: -+ subseq_start = 1; -+ subseq_end = 1; -+ break; -+ case PAT_RD_WR_TA: -+ break; -+ case PAT_WR_RD_TA: -+ subseq_end = 7; -+ break; -+ case PAT_ODT_TA: -+ subseq_end = 3; -+ break; -+ default: -+ die("\n%s: Pattern type %u is invalid\n", __func__, cmd_pat); -+ } -+ const union reut_seq_cfg_reg reut_seq_cfg = { -+ .global_control = 1, -+ .initialization_mode = REUT_MODE_TEST, -+ .subsequence_start_pointer = subseq_start, -+ .subsequence_end_pointer = subseq_end, -+ .start_test_delay = 2, -+ }; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ program_loop_count(ctrl, channel, lc_exp); -+ mchbar_write32(REUT_ch_SEQ_CTL(channel), (union reut_seq_ctl_reg) { -+ .clear_errors = 1, -+ }.raw); -+ -+ /* -+ * Program subsequences -+ */ -+ uint32_t subseq_a = 0; -+ -+ /* Number of cachelines and scale */ -+ subseq_a |= (num_clcr & 0x00ff) << 0; -+ subseq_a |= (subseq_wait & 0x3fff) << 8; -+ -+ /* Reset current base address to start */ -+ subseq_a |= BIT(27); -+ -+ uint32_t subseq_b = 0; -+ -+ /* Number of cachelines and scale */ -+ subseq_b |= (num_cl2cr & 0x00ff) << 0; -+ subseq_b |= (subseq_wait & 0x3fff) << 8; -+ -+ /* Reset current base address to start */ -+ subseq_b |= BIT(27); -+ -+ program_subseq(ctrl, channel, cmd_pat, subseq_a, subseq_b); -+ -+ /* Program sequence address */ -+ program_seq_addr(channel, reut_addr, false); -+ -+ /* Program WDB */ -+ const bool is_linear = pat->inc_rate < 32; -+ mchbar_write32(REUT_ch_WDB_CL_CTRL(channel), (union reut_pat_wdb_cl_ctrl_reg) { -+ .start_ptr = pat->start_ptr, -+ .end_ptr = pat->stop_ptr, -+ .inc_rate = is_linear ? pat->inc_rate : log2_ceil(pat->inc_rate), -+ .inc_scale = is_linear, -+ }.raw); -+ -+ /* Enable LMN in LMN or CADB modes, used to create lots of supply noise */ -+ const bool use_lmn = pat->dq_pattern == LMN_VA || pat->dq_pattern == CADB; -+ union reut_pat_wdb_cl_mux_cfg_reg pat_wdb_cl_mux_cfg = { -+ .mux_0_control = use_lmn ? REUT_MUX_LMN : REUT_MUX_LFSR, -+ .mux_1_control = REUT_MUX_LFSR, -+ .mux_2_control = REUT_MUX_LFSR, -+ .ecc_data_source_sel = 1, -+ }; -+ -+ /* Program LFSR save/restore, too complex unless everything is power of 2 */ -+ if (cmd_pat == PAT_ODT_TA || cmd_pat == PAT_WR_RD_TA) { -+ pat_wdb_cl_mux_cfg.reload_lfsr_seed_rate = log2_ceil(num_cl) + 1; -+ pat_wdb_cl_mux_cfg.save_lfsr_seed_rate = 1; -+ } -+ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_CFG(channel), pat_wdb_cl_mux_cfg.raw); -+ -+ /* Inversion mask is not used */ -+ mchbar_write32(REUT_ch_PAT_WDB_INV(channel), 0); -+ -+ /* Program error checking */ -+ const union reut_err_ctl_reg reut_err_ctl = { -+ .selective_err_enable_cacheline = 0xff, -+ .selective_err_enable_chunk = 0xff, -+ .stop_on_error_control = soe, -+ .stop_on_nth_error = 1, -+ }; -+ mchbar_write32(REUT_ch_ERR_CONTROL(channel), reut_err_ctl.raw); -+ mchbar_write64(REUT_ch_ERR_DATA_MASK(channel), 0); -+ mchbar_write8(REUT_ch_ERR_ECC_MASK(channel), 0); -+ } -+ -+ /* Always do a ZQ short before the beginning of a test */ -+ reut_issue_zq(ctrl, chanmask, ZQ_SHORT); -+} -+ -+void setup_io_test_cadb( -+ struct sysinfo *ctrl, -+ const uint8_t chanmask, -+ const uint8_t lc, -+ const enum test_stop soe) -+{ -+ const struct reut_box reut_addr = { -+ .rank = { -+ .start = 0, -+ .stop = 0, -+ .inc_rate = 32, -+ .inc_val = 1, -+ }, -+ .bank = { -+ .start = 0, -+ .stop = 7, -+ .inc_rate = 3, -+ .inc_val = 1, -+ }, -+ .row = { -+ .start = 0, -+ .stop = 2047, -+ .inc_rate = 3, -+ .inc_val = 73, -+ }, -+ .col = { -+ .start = 0, -+ .stop = 1023, -+ .inc_rate = 0, -+ .inc_val = 53, -+ }, -+ }; -+ const struct wdb_pat pattern = { -+ .start_ptr = 0, -+ .stop_ptr = 9, -+ .inc_rate = 4, -+ .dq_pattern = CADB, -+ }; -+ setup_io_test( -+ ctrl, -+ chanmask, -+ PAT_WR_RD, -+ 128, -+ lc, -+ &reut_addr, -+ soe, -+ &pattern, -+ 1, -+ 0); -+ -+ ctrl->dq_pat_lc = MAX(lc - 2 - 3, 0) + 1; -+ ctrl->dq_pat = CADB; -+} -+ -+void setup_io_test_basic_va( -+ struct sysinfo *ctrl, -+ const uint8_t chanmask, -+ const uint8_t lc, -+ const enum test_stop soe) -+{ -+ const uint32_t spread = 8; -+ const struct reut_box reut_addr = { -+ .rank = { -+ .start = 0, -+ .stop = 0, -+ .inc_rate = 32, -+ .inc_val = 1, -+ }, -+ .col = { -+ .start = 0, -+ .stop = 1023, -+ .inc_rate = 0, -+ .inc_val = 1, -+ }, -+ }; -+ const struct wdb_pat pattern = { -+ .start_ptr = 0, -+ .stop_ptr = spread - 1, -+ .inc_rate = 4, -+ .dq_pattern = BASIC_VA, -+ }; -+ setup_io_test( -+ ctrl, -+ chanmask, -+ PAT_WR_RD, -+ 128, -+ lc, -+ &reut_addr, -+ soe, -+ &pattern, -+ 0, -+ 0); -+ -+ ctrl->dq_pat_lc = MAX(lc - 8, 0) + 1; -+ ctrl->dq_pat = BASIC_VA; -+} -+ -+void setup_io_test_mpr( -+ struct sysinfo *ctrl, -+ const uint8_t chanmask, -+ const uint8_t lc, -+ const enum test_stop soe) -+{ -+ const struct reut_box reut_addr_ddr = { -+ .rank = { -+ .start = 0, -+ .stop = 0, -+ .inc_rate = 32, -+ .inc_val = 1, -+ }, -+ .col = { -+ .start = 0, -+ .stop = 1023, -+ .inc_rate = 0, -+ .inc_val = 1, -+ }, -+ }; -+ const struct reut_box reut_addr_lpddr = { -+ .bank = { -+ .start = 4, -+ .stop = 4, -+ .inc_rate = 0, -+ .inc_val = 0, -+ }, -+ }; -+ const struct wdb_pat pattern = { -+ .start_ptr = 0, -+ .stop_ptr = 9, -+ .inc_rate = 4, -+ .dq_pattern = BASIC_VA, -+ }; -+ setup_io_test( -+ ctrl, -+ chanmask, -+ PAT_RD, -+ 128, -+ lc, -+ ctrl->lpddr ? &reut_addr_lpddr : &reut_addr_ddr, -+ soe, -+ &pattern, -+ 0, -+ 0); -+ -+ ctrl->dq_pat_lc = 1; -+ ctrl->dq_pat = BASIC_VA; -+} -+ -+uint8_t select_reut_ranks(struct sysinfo *ctrl, const uint8_t channel, uint8_t rankmask) -+{ -+ rankmask &= ctrl->rankmap[channel]; -+ -+ uint8_t rank_count = 0; -+ uint32_t rank_log_to_phys = 0; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_mask(rank, rankmask)) -+ continue; -+ -+ rank_log_to_phys |= rank << (4 * rank_count); -+ rank_count++; -+ } -+ mchbar_write32(REUT_ch_RANK_LOG_TO_PHYS(channel), rank_log_to_phys); -+ -+ union reut_seq_cfg_reg reut_seq_cfg = { -+ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)), -+ }; -+ if (!rank_count) { -+ reut_seq_cfg.global_control = 0; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ return 0; -+ } -+ union reut_seq_base_addr_reg reut_seq_addr_stop = { -+ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_WRAP(channel)), -+ }; -+ reut_seq_addr_stop.rank_addr = rank_count - 1; -+ mchbar_write64(REUT_ch_SEQ_ADDR_WRAP(channel), reut_seq_addr_stop.raw); -+ -+ reut_seq_cfg.global_control = 1; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ return BIT(channel); -+} -+ -+void run_mpr_io_test(const bool clear_errors) -+{ -+ io_reset(); -+ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) { -+ .start_test = 1, -+ .clear_errors = clear_errors, -+ }.raw); -+ tick_delay(2); -+ io_reset(); -+ tick_delay(2); -+ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) { -+ .stop_test = 1, -+ }.raw); -+} -+ -+static uint8_t get_num_tests(const uint8_t dq_pat) -+{ -+ switch (dq_pat) { -+ case SEGMENT_WDB: return 4; -+ case CADB: return 7; -+ case TURN_AROUND_WR: return 8; -+ case TURN_AROUND_ODT: return 4; -+ case RD_RD_TA: return 2; -+ case RD_RD_TA_ALL: return 8; -+ default: return 1; -+ } -+} -+ -+uint8_t run_io_test( -+ struct sysinfo *const ctrl, -+ const uint8_t chanmask, -+ const uint8_t dq_pat, -+ const bool clear_errors) -+{ -+ /* SEGMENT_WDB only runs 4 tests */ -+ const uint8_t segment_wdb_lc[4] = { 0, 0, 4, 2 }; -+ const union reut_pat_wdb_cl_ctrl_reg pat_wdb_cl[4] = { -+ [0] = { -+ .start_ptr = 0, -+ .end_ptr = 9, -+ .inc_rate = 25, -+ .inc_scale = SCALE_LINEAR, -+ }, -+ [1] = { -+ .start_ptr = 0, -+ .end_ptr = 9, -+ .inc_rate = 25, -+ .inc_scale = SCALE_LINEAR, -+ }, -+ [2] = { -+ .start_ptr = 10, -+ .end_ptr = 63, -+ .inc_rate = 19, -+ .inc_scale = SCALE_LINEAR, -+ }, -+ [3] = { -+ .start_ptr = 10, -+ .end_ptr = 63, -+ .inc_rate = 10, -+ .inc_scale = SCALE_LINEAR, -+ }, -+ }; -+ const bool is_turnaround = dq_pat == RD_RD_TA || dq_pat == RD_RD_TA_ALL; -+ const uint8_t num_tests = get_num_tests(dq_pat); -+ union tc_bank_rank_a_reg tc_bank_rank_a[NUM_CHANNELS] = { 0 }; -+ if (is_turnaround) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(chanmask & BIT(channel))) -+ continue; -+ -+ tc_bank_rank_a[channel].raw = ctrl->tc_bankrank_a[channel].raw; -+ } -+ } -+ for (uint8_t t = 0; t < num_tests; t++) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(chanmask & BIT(channel))) -+ continue; -+ -+ if (dq_pat == SEGMENT_WDB) { -+ mchbar_write32(REUT_ch_WDB_CL_CTRL(channel), pat_wdb_cl[t].raw); -+ /* -+ * Skip programming LFSR save/restore. Too complex -+ * unless power of 2. Program desired loopcount. -+ */ -+ const uint8_t pat_lc = ctrl->dq_pat_lc + segment_wdb_lc[t]; -+ program_loop_count(ctrl, channel, pat_lc); -+ } else if (dq_pat == CADB) { -+ setup_cadb(ctrl, channel, num_tests, t); -+ } else if (dq_pat == TURN_AROUND_WR || dq_pat == TURN_AROUND_ODT) { -+ union reut_seq_cfg_reg reut_seq_cfg = { -+ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)), -+ }; -+ reut_seq_cfg.subsequence_start_pointer = t; -+ reut_seq_cfg.subsequence_end_pointer = t; -+ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw); -+ union reut_seq_addr_inc_ctl_reg addr_inc_ctl = { -+ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_INC_CTL(channel)), -+ }; -+ uint8_t ta_inc_rate = 1; -+ if (dq_pat == TURN_AROUND_WR && (t == 0 || t == 7)) -+ ta_inc_rate = 0; -+ else if (dq_pat == TURN_AROUND_ODT && (t == 0 || t == 2)) -+ ta_inc_rate = 0; -+ -+ /* Program increment rate as linear value */ -+ addr_inc_ctl.rank_addr_update = BIT(7) | ta_inc_rate; -+ addr_inc_ctl.col_addr_update = BIT(7) | ta_inc_rate; -+ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel), -+ addr_inc_ctl.raw); -+ } else if (dq_pat == RD_RD_TA) { -+ tc_bank_rank_a[channel].tRDRD_sr = (t == 0) ? 4 : 5; -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), -+ tc_bank_rank_a[channel].raw); -+ } else if (dq_pat == RD_RD_TA_ALL) { -+ /* -+ * Program tRDRD for SR and DR. Run 8 tests, covering -+ * tRDRD_sr = 4, 5, 6, 7 and tRDRD_dr = min, +1, +2, +3 -+ */ -+ const uint32_t tRDRD_dr = ctrl->tc_bankrank_a[channel].tRDRD_dr; -+ tc_bank_rank_a[channel].tRDRD_sr = (t % 4) + 4; -+ tc_bank_rank_a[channel].tRDRD_dr = (t % 4) + tRDRD_dr; -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), -+ tc_bank_rank_a[channel].raw); -+ -+ /* Program linear rank increment rate */ -+ union reut_seq_addr_inc_ctl_reg addr_inc_ctl = { -+ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_INC_CTL(channel)), -+ }; -+ addr_inc_ctl.rank_addr_update = BIT(7) | (t / 4) ? 0 : 31; -+ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel), -+ addr_inc_ctl.raw); -+ } -+ } -+ bool test_soe = false; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(chanmask & BIT(channel))) -+ continue; -+ -+ const union reut_err_ctl_reg reut_err_ctl = { -+ .raw = mchbar_read32(REUT_ch_ERR_CONTROL(channel)), -+ }; -+ const uint8_t soe = reut_err_ctl.stop_on_error_control; -+ if (soe != NSOE) { -+ test_soe = true; -+ break; -+ } -+ } -+ io_reset(); -+ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) { -+ .start_test = 1, -+ .clear_errors = clear_errors && t == 0, -+ }.raw); -+ struct mono_time prev, curr; -+ timer_monotonic_get(&prev); -+ union reut_global_err_reg global_err; -+ do { -+ global_err.raw = mchbar_read32(REUT_GLOBAL_ERR); -+ /** TODO: Clean up this mess **/ -+ timer_monotonic_get(&curr); -+ if (mono_time_diff_microseconds(&prev, &curr) > 1000 * 1000) { -+ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) { -+ .stop_test = 1, -+ }.raw); -+ printk(BIOS_ERR, "REUT timed out, ch_done: %x\n", -+ global_err.ch_test_done); -+ break; -+ } -+ } while ((global_err.ch_test_done & chanmask) != chanmask); -+ if (test_soe && global_err.ch_error & chanmask) -+ break; -+ } -+ if (is_turnaround) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!(chanmask & BIT(channel))) -+ continue; -+ -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), -+ ctrl->tc_bankrank_a[channel].raw); -+ } -+ } -+ return ((union reut_global_err_reg)mchbar_read32(REUT_GLOBAL_ERR)).ch_error; -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index f8408e51a0..817a9f8bf8 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -94,20 +94,35 @@ - #define TC_BANK_RANK_D_ch(ch) _MCMAIN_C(0x4014, ch) - #define SC_ROUNDT_LAT_ch(ch) _MCMAIN_C(0x4024, ch) - -+#define REUT_ch_PAT_WDB_CL_MUX_CFG(ch) _MCMAIN_C(0x4040, ch) -+ - #define REUT_ch_PAT_WDB_CL_MUX_WR_x(ch, x) _MCMAIN_C_X(0x4048, ch, x) /* x in 0 .. 2 */ - #define REUT_ch_PAT_WDB_CL_MUX_RD_x(ch, x) _MCMAIN_C_X(0x4054, ch, x) /* x in 0 .. 2 */ - - #define REUT_ch_PAT_WDB_CL_MUX_LMN(ch) _MCMAIN_C(0x4078, ch) - -+#define REUT_ch_PAT_WDB_INV(ch) _MCMAIN_C(0x4084, ch) -+ -+#define REUT_ch_ERR_CONTROL(ch) _MCMAIN_C(0x4098, ch) -+#define REUT_ch_ERR_ECC_MASK(ch) _MCMAIN_C(0x409c, ch) -+ - #define SC_WR_ADD_DELAY_ch(ch) _MCMAIN_C(0x40d0, ch) - -+#define REUT_ch_ERR_DATA_MASK(ch) _MCMAIN_C(0x40d8, ch) -+ - #define REUT_ch_MISC_CKE_CTRL(ch) _MCMAIN_C(0x4190, ch) - -+#define REUT_ch_MISC_PAT_CADB_CTRL(ch) _MCMAIN_C(0x4198, ch) - #define REUT_ch_PAT_CADB_MRS(ch) _MCMAIN_C(0x419c, ch) -+#define REUT_ch_PAT_CADB_MUX_CTRL(ch) _MCMAIN_C(0x41a0, ch) -+#define REUT_ch_PAT_CADB_MUX_x(ch, x) _MCMAIN_C_X(0x41a4, ch, x) /* x in 0 .. 2 */ - -+#define REUT_ch_PAT_CADB_CL_MUX_LMN(ch) _MCMAIN_C(0x41b0, ch) - #define REUT_ch_PAT_CADB_WRITE_PTR(ch) _MCMAIN_C(0x41bc, ch) - #define REUT_ch_PAT_CADB_PROG(ch) _MCMAIN_C(0x41c0, ch) - -+#define REUT_ch_WDB_CL_CTRL(ch) _MCMAIN_C(0x4200, ch) -+ - #define TC_ZQCAL_ch(ch) _MCMAIN_C(0x4290, ch) - #define TC_RFP_ch(ch) _MCMAIN_C(0x4294, ch) - #define TC_RFTP_ch(ch) _MCMAIN_C(0x4298, ch) -@@ -119,12 +134,27 @@ - #define QCLK_ch_LDAT_SDAT(ch) _MCMAIN_C(0x42d4, ch) - #define QCLK_ch_LDAT_DATA_IN_x(ch, x) _MCMAIN_C_X(0x42dc, ch, x) /* x in 0 .. 1 */ - -+#define REUT_GLOBAL_CTL 0x4800 - #define REUT_GLOBAL_ERR 0x4804 - -+#define REUT_ch_SUBSEQ_x_CTL(ch, x) (0x4808 + 40 * (ch) + 4 * (x)) -+ - #define REUT_ch_SEQ_CFG(ch) (0x48a8 + 8 * (ch)) - - #define REUT_ch_SEQ_CTL(ch) (0x48b8 + 4 * (ch)) - -+#define REUT_ch_SEQ_ADDR_START(ch) (0x48d8 + 8 * (ch)) -+ -+#define REUT_ch_SEQ_ADDR_WRAP(ch) (0x48e8 + 8 * (ch)) -+ -+#define REUT_ch_SEQ_MISC_CTL(ch) (0x4908 + 4 * (ch)) -+ -+#define REUT_ch_SEQ_ADDR_INC_CTL(ch) (0x4910 + 8 * (ch)) -+ -+#define REUT_ch_RANK_LOG_TO_PHYS(ch) (0x4930 + 4 * (ch)) /* 4 bits per rank */ -+ -+#define HSW_REUT_ch_SEQ_LOOP_COUNT(ch) (0x4980 + 4 * (ch)) /* *** only on C0 *** */ -+ - /* MCMAIN broadcast */ - #define MCSCHEDS_CBIT 0x4c20 - --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0019-haswell-NRI-Add-range-tracking-library.patch b/resources/coreboot/haswell/patches/0019-haswell-NRI-Add-range-tracking-library.patch deleted file mode 100644 index f433b043..00000000 --- a/resources/coreboot/haswell/patches/0019-haswell-NRI-Add-range-tracking-library.patch +++ /dev/null @@ -1,222 +0,0 @@ -From 9fba0468e75877cbda62f5eaeef1946d6489a8f9 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 00:56:00 +0200 -Subject: [PATCH 19/26] haswell NRI: Add range tracking library - -Implement a small library used to keep track of passing ranges. This -will be used by 1D training algorithms when margining some parameter. - -Change-Id: I8718e85165160afd7c0c8e730b5ce6c9c00f8a60 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../intel/haswell/native_raminit/ranges.c | 109 ++++++++++++++++++ - .../intel/haswell/native_raminit/ranges.h | 68 +++++++++++ - 3 files changed, 178 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/ranges.c - create mode 100644 src/northbridge/intel/haswell/native_raminit/ranges.h - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 6e1b365602..2da950771d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -9,6 +9,7 @@ romstage-y += io_comp_control.c - romstage-y += memory_map.c - romstage-y += raminit_main.c - romstage-y += raminit_native.c -+romstage-y += ranges.c - romstage-y += reut.c - romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c -diff --git a/src/northbridge/intel/haswell/native_raminit/ranges.c b/src/northbridge/intel/haswell/native_raminit/ranges.c -new file mode 100644 -index 0000000000..cdebc1fa66 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/ranges.c -@@ -0,0 +1,109 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <types.h> -+ -+#include "ranges.h" -+ -+void linear_record_pass( -+ struct linear_train_data *const data, -+ const bool pass, -+ const int32_t value, -+ const int32_t start, -+ const int32_t step) -+{ -+ /* If this is the first time, initialize all values */ -+ if (value == start) { -+ /* -+ * If value passed, create a zero-length region for the current value, -+ * which may be extended as long as the successive values are passing. -+ * -+ * Otherwise, create a zero-length range for the preceding value. This -+ * range cannot be extended by other passing values, which is desired. -+ */ -+ data->current.start = start - (pass ? 0 : step); -+ data->current.end = data->current.start; -+ data->largest = data->current; -+ } else if (pass) { -+ /* If this pass is not contiguous, it belongs to a new region */ -+ if (data->current.end != (value - step)) -+ data->current.start = value; -+ -+ /* Update end of current region */ -+ data->current.end = value; -+ -+ /* Update largest region */ -+ if (range_width(data->current) > range_width(data->largest)) -+ data->largest = data->current; -+ } -+} -+ -+void phase_record_pass( -+ struct phase_train_data *const data, -+ const bool pass, -+ const int32_t value, -+ const int32_t start, -+ const int32_t step) -+{ -+ /* If this is the first time, initialize all values */ -+ if (value == start) { -+ /* -+ * If value passed, create a zero-length region for the current value, -+ * which may be extended as long as the successive values are passing. -+ * -+ * Otherwise, create a zero-length range for the preceding value. This -+ * range cannot be extended by other passing values, which is desired. -+ */ -+ data->current.start = start - (pass ? 0 : step); -+ data->current.end = data->current.start; -+ data->largest = data->current; -+ data->initial = data->current; -+ return; -+ } -+ if (!pass) -+ return; -+ -+ /* Update initial region */ -+ if (data->initial.end == (value - step)) -+ data->initial.end = value; -+ -+ /* If this pass is not contiguous, it belongs to a new region */ -+ if (data->current.end != (value - step)) -+ data->current.start = value; -+ -+ /* Update end of current region */ -+ data->current.end = value; -+ -+ /* Update largest region */ -+ if (range_width(data->current) > range_width(data->largest)) -+ data->largest = data->current; -+} -+ -+void phase_append_initial_to_current( -+ struct phase_train_data *const data, -+ const int32_t start, -+ const int32_t step) -+{ -+ /* If initial region is valid and does not overlap, append it */ -+ if (data->initial.start == start && data->initial.end != data->current.end) -+ data->current.end += step + range_width(data->initial); -+ -+ /* Update largest region */ -+ if (range_width(data->current) > range_width(data->largest)) -+ data->largest = data->current; -+} -+ -+void phase_append_current_to_initial( -+ struct phase_train_data *const data, -+ const int32_t start, -+ const int32_t step) -+{ -+ /* If initial region is valid and does not overlap, append it */ -+ if (data->initial.start == start && data->initial.end != data->current.end) { -+ data->initial.start -= (step + range_width(data->current)); -+ data->current = data->initial; -+ } -+ -+ /* Update largest region */ -+ if (range_width(data->current) > range_width(data->largest)) -+ data->largest = data->current; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/ranges.h b/src/northbridge/intel/haswell/native_raminit/ranges.h -new file mode 100644 -index 0000000000..235392df96 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/ranges.h -@@ -0,0 +1,68 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#ifndef HASWELL_RAMINIT_RANGES_H -+#define HASWELL_RAMINIT_RANGES_H -+ -+#include <types.h> -+ -+/* -+ * Many algorithms shmoo some parameter to determine the largest passing -+ * range. Provide a common implementation to avoid redundant boilerplate. -+ */ -+struct passing_range { -+ int32_t start; -+ int32_t end; -+}; -+ -+/* Structure for linear parameters, such as roundtrip delays */ -+struct linear_train_data { -+ struct passing_range current; -+ struct passing_range largest; -+}; -+ -+/* -+ * Phase ranges are "circular": the first and last indices are contiguous. -+ * To correctly determine the largest passing range, one has to combine -+ * the initial range and the current range when processing the last index. -+ */ -+struct phase_train_data { -+ struct passing_range initial; -+ struct passing_range current; -+ struct passing_range largest; -+}; -+ -+static inline int32_t range_width(const struct passing_range range) -+{ -+ return range.end - range.start; -+} -+ -+static inline int32_t range_center(const struct passing_range range) -+{ -+ return range.start + range_width(range) / 2; -+} -+ -+void linear_record_pass( -+ struct linear_train_data *data, -+ bool pass, -+ int32_t value, -+ int32_t start, -+ int32_t step); -+ -+void phase_record_pass( -+ struct phase_train_data *data, -+ bool pass, -+ int32_t value, -+ int32_t start, -+ int32_t step); -+ -+void phase_append_initial_to_current( -+ struct phase_train_data *data, -+ int32_t start, -+ int32_t step); -+ -+void phase_append_current_to_initial( -+ struct phase_train_data *data, -+ int32_t start, -+ int32_t step); -+ -+#endif --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0020-haswell-NRI-Add-library-to-change-margins.patch b/resources/coreboot/haswell/patches/0020-haswell-NRI-Add-library-to-change-margins.patch deleted file mode 100644 index 30926494..00000000 --- a/resources/coreboot/haswell/patches/0020-haswell-NRI-Add-library-to-change-margins.patch +++ /dev/null @@ -1,294 +0,0 @@ -From 54cfbe4cf53d16f747bfcfadd20445a0f5f1e5db Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 01:11:03 +0200 -Subject: [PATCH 20/26] haswell NRI: Add library to change margins - -Implement a library to change Rx/Tx margins. It will be expanded later. - -Change-Id: I0b55aba428d8b4d4e16d2fbdec57235ce3ce8adf -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/change_margin.c | 154 ++++++++++++++++++ - .../haswell/native_raminit/raminit_native.h | 50 ++++++ - .../intel/haswell/registers/mchbar.h | 9 + - 4 files changed, 214 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/change_margin.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 2da950771d..ebe9e9b762 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,5 +1,6 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += change_margin.c - romstage-y += configure_mc.c - romstage-y += ddr3.c - romstage-y += jedec_reset.c -diff --git a/src/northbridge/intel/haswell/native_raminit/change_margin.c b/src/northbridge/intel/haswell/native_raminit/change_margin.c -new file mode 100644 -index 0000000000..12da59580f ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/change_margin.c -@@ -0,0 +1,154 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <timer.h> -+ -+#include "raminit_native.h" -+ -+void update_rxt( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t rank, -+ const uint8_t byte, -+ const enum rxt_subfield subfield, -+ const int32_t value) -+{ -+ union ddr_data_rx_train_rank_reg rxt = { -+ .rcven = ctrl->rcven[channel][rank][byte], -+ .dqs_p = ctrl->rxdqsp[channel][rank][byte], -+ .rx_eq = ctrl->rx_eq[channel][rank][byte], -+ .dqs_n = ctrl->rxdqsn[channel][rank][byte], -+ .vref = ctrl->rxvref[channel][rank][byte], -+ }; -+ int32_t new_value; -+ switch (subfield) { -+ case RXT_RCVEN: -+ new_value = clamp_s32(0, value, 511); -+ rxt.rcven = new_value; -+ break; -+ case RXT_RXDQS_P: -+ new_value = clamp_s32(0, value, 63); -+ rxt.dqs_p = new_value; -+ break; -+ case RXT_RX_EQ: -+ new_value = clamp_s32(0, value, 31); -+ rxt.rx_eq = new_value; -+ break; -+ case RXT_RXDQS_N: -+ new_value = clamp_s32(0, value, 63); -+ rxt.dqs_n = new_value; -+ break; -+ case RXT_RX_VREF: -+ new_value = clamp_s32(-32, value, 31); -+ rxt.vref = new_value; -+ break; -+ case RXT_RXDQS_BOTH: -+ new_value = clamp_s32(0, value, 63); -+ rxt.dqs_p = new_value; -+ rxt.dqs_n = new_value; -+ break; -+ case RXT_RESTORE: -+ new_value = value; -+ break; -+ default: -+ die("%s: Unhandled subfield index %u\n", __func__, subfield); -+ } -+ -+ if (new_value != value) { -+ printk(BIOS_ERR, "%s: Overflow for subfield %u: %d ---> %d\n", -+ __func__, subfield, value, new_value); -+ } -+ mchbar_write32(RX_TRAIN_ch_r_b(channel, rank, byte), rxt.raw); -+ download_regfile(ctrl, channel, false, rank, REG_FILE_USE_RANK, byte, true, false); -+} -+ -+void update_txt( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const uint8_t rank, -+ const uint8_t byte, -+ const enum txt_subfield subfield, -+ const int32_t value) -+{ -+ union ddr_data_tx_train_rank_reg txt = { -+ .dq_delay = ctrl->tx_dq[channel][rank][byte], -+ .dqs_delay = ctrl->txdqs[channel][rank][byte], -+ .tx_eq = ctrl->tx_eq[channel][rank][byte], -+ }; -+ int32_t new_value; -+ switch (subfield) { -+ case TXT_TX_DQ: -+ new_value = clamp_s32(0, value, 511); -+ txt.dq_delay = new_value; -+ break; -+ case TXT_TXDQS: -+ new_value = clamp_s32(0, value, 511); -+ txt.dqs_delay = new_value; -+ break; -+ case TXT_TX_EQ: -+ new_value = clamp_s32(0, value, 63); -+ txt.tx_eq = new_value; -+ break; -+ case TXT_DQDQS_OFF: -+ new_value = value; -+ txt.dqs_delay += new_value; -+ txt.dq_delay += new_value; -+ break; -+ case TXT_RESTORE: -+ new_value = value; -+ break; -+ default: -+ die("%s: Unhandled subfield index %u\n", __func__, subfield); -+ } -+ if (new_value != value) { -+ printk(BIOS_ERR, "%s: Overflow for subfield %u: %d ---> %d\n", -+ __func__, subfield, value, new_value); -+ } -+ mchbar_write32(TX_TRAIN_ch_r_b(channel, rank, byte), txt.raw); -+ download_regfile(ctrl, channel, false, rank, REG_FILE_USE_RANK, byte, false, true); -+} -+ -+void download_regfile( -+ struct sysinfo *ctrl, -+ const uint8_t channel, -+ const bool multicast, -+ const uint8_t rank, -+ const enum regfile_mode regfile, -+ const uint8_t byte, -+ const bool read_rf_rd, -+ const bool read_rf_wr) -+{ -+ union reut_seq_base_addr_reg reut_seq_base_addr; -+ switch (regfile) { -+ case REG_FILE_USE_START: -+ reut_seq_base_addr.raw = mchbar_read64(REUT_ch_SEQ_ADDR_START(channel)); -+ break; -+ case REG_FILE_USE_CURRENT: -+ reut_seq_base_addr.raw = mchbar_read64(REUT_ch_SEQ_ADDR_CURRENT(channel)); -+ break; -+ case REG_FILE_USE_RANK: -+ reut_seq_base_addr.raw = 0; -+ if (rank >= NUM_SLOTRANKS) -+ die("%s: bad rank %u\n", __func__, rank); -+ break; -+ default: -+ die("%s: Invalid regfile param %u\n", __func__, regfile); -+ } -+ uint8_t phys_rank = rank; -+ if (reut_seq_base_addr.raw != 0) { -+ /* Map REUT logical rank to physical rank */ -+ const uint32_t log_to_phys = mchbar_read32(REUT_ch_RANK_LOG_TO_PHYS(channel)); -+ phys_rank = log_to_phys >> (reut_seq_base_addr.rank_addr * 4) & 0x3; -+ } -+ uint32_t reg = multicast ? DDR_DATA_ch_CONTROL_0(channel) : DQ_CONTROL_0(channel, byte); -+ union ddr_data_control_0_reg ddr_data_control_0 = { -+ .raw = mchbar_read32(reg), -+ }; -+ ddr_data_control_0.read_rf_rd = read_rf_rd; -+ ddr_data_control_0.read_rf_wr = read_rf_wr; -+ ddr_data_control_0.read_rf_rank = phys_rank; -+ mchbar_write32(reg, ddr_data_control_0.raw); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 56df36ca8d..7c1a786780 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -117,6 +117,30 @@ enum test_stop { - ALSOE = 3, /* Stop on all lanes error */ - }; - -+enum rxt_subfield { -+ RXT_RCVEN = 0, -+ RXT_RXDQS_P = 1, -+ RXT_RX_EQ = 2, -+ RXT_RXDQS_N = 3, -+ RXT_RX_VREF = 4, -+ RXT_RXDQS_BOTH = 5, -+ RXT_RESTORE = 255, -+}; -+ -+enum txt_subfield { -+ TXT_TX_DQ = 0, -+ TXT_TXDQS = 1, -+ TXT_TX_EQ = 2, -+ TXT_DQDQS_OFF = 3, -+ TXT_RESTORE = 255, -+}; -+ -+enum regfile_mode { -+ REG_FILE_USE_RANK, /* Used when changing parameters for each rank */ -+ REG_FILE_USE_START, /* Used when changing parameters before the test */ -+ REG_FILE_USE_CURRENT, /* Used when changing parameters after the test */ -+}; -+ - struct wdb_pat { - uint32_t start_ptr; /* Starting pointer in WDB */ - uint32_t stop_ptr; /* Stopping pointer in WDB */ -@@ -452,6 +476,32 @@ uint8_t select_reut_ranks(struct sysinfo *ctrl, uint8_t channel, uint8_t rankmas - void run_mpr_io_test(bool clear_errors); - uint8_t run_io_test(struct sysinfo *ctrl, uint8_t chanmask, uint8_t dq_pat, bool clear_errors); - -+void update_rxt( -+ struct sysinfo *ctrl, -+ uint8_t channel, -+ uint8_t rank, -+ uint8_t byte, -+ enum rxt_subfield subfield, -+ int32_t value); -+ -+void update_txt( -+ struct sysinfo *ctrl, -+ uint8_t channel, -+ uint8_t rank, -+ uint8_t byte, -+ enum txt_subfield subfield, -+ int32_t value); -+ -+void download_regfile( -+ struct sysinfo *ctrl, -+ uint8_t channel, -+ bool multicast, -+ uint8_t rank, -+ enum regfile_mode regfile, -+ uint8_t byte, -+ bool read_rf_rd, -+ bool read_rf_wr); -+ - uint8_t get_rx_bias(const struct sysinfo *ctrl); - - uint8_t get_tCWL(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 817a9f8bf8..a81559bb1e 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -15,7 +15,11 @@ - /* Register definitions */ - - /* DDR DATA per-channel per-bytelane */ -+#define RX_TRAIN_ch_r_b(ch, rank, byte) _DDRIO_C_R_B(0x0000, ch, rank, byte) -+#define TX_TRAIN_ch_r_b(ch, rank, byte) _DDRIO_C_R_B(0x0020, ch, rank, byte) -+ - #define DQ_CONTROL_2(ch, byte) _DDRIO_C_R_B(0x0064, ch, 0, byte) -+#define DQ_CONTROL_0(ch, byte) _DDRIO_C_R_B(0x0074, ch, 0, byte) - - /* DDR CKE per-channel */ - #define DDR_CKE_ch_CMD_COMP_OFFSET(ch) _DDRIO_C_R_B(0x1204, ch, 0, 0) -@@ -38,6 +42,9 @@ - #define DDR_SCRAMBLE_ch(ch) (0x2000 + 4 * (ch)) - #define DDR_SCRAM_MISC_CONTROL 0x2008 - -+/* DDR DATA per-channel multicast */ -+#define DDR_DATA_ch_CONTROL_0(ch) _DDRIO_C_R_B(0x3074, ch, 0, 0) -+ - /* DDR CMDN/CMDS per-channel (writes go to both CMDN and CMDS fubs) */ - #define DDR_CMD_ch_COMP_OFFSET(ch) _DDRIO_C_R_B(0x3204, ch, 0, 0) - #define DDR_CMD_ch_PI_CODING(ch) _DDRIO_C_R_B(0x3208, ch, 0, 0) -@@ -147,6 +154,8 @@ - - #define REUT_ch_SEQ_ADDR_WRAP(ch) (0x48e8 + 8 * (ch)) - -+#define REUT_ch_SEQ_ADDR_CURRENT(ch) (0x48f8 + 8 * (ch)) -+ - #define REUT_ch_SEQ_MISC_CTL(ch) (0x4908 + 4 * (ch)) - - #define REUT_ch_SEQ_ADDR_INC_CTL(ch) (0x4910 + 8 * (ch)) --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0021-haswell-NRI-Add-RcvEn-training.patch b/resources/coreboot/haswell/patches/0021-haswell-NRI-Add-RcvEn-training.patch deleted file mode 100644 index 9139a67e..00000000 --- a/resources/coreboot/haswell/patches/0021-haswell-NRI-Add-RcvEn-training.patch +++ /dev/null @@ -1,708 +0,0 @@ -From ac8843553af34855d0331554c03280e66c4ea582 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 00:05:41 +0200 -Subject: [PATCH 21/26] haswell NRI: Add RcvEn training - -Implement the RcvEn (Receive Enable) calibration procedure. - -Change-Id: Ifbfa520f3e0486c56d0988ce67af2ddb9cf29888 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 14 + - .../haswell/native_raminit/reg_structs.h | 13 + - .../native_raminit/train_receive_enable.c | 561 ++++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 3 + - 6 files changed, 593 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/train_receive_enable.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index ebe9e9b762..e2fbfb4211 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -16,3 +16,4 @@ romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c - romstage-y += testing_io.c - romstage-y += timings_refresh.c -+romstage-y += train_receive_enable.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 5e4674957d..7d444659c3 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -60,6 +60,7 @@ static const struct task_entry cold_boot[] = { - { configure_memory_map, true, "MEMMAP", }, - { do_jedec_init, true, "JEDECINIT", }, - { pre_training, true, "PRETRAIN", }, -+ { train_receive_enable, true, "RCVET", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 7c1a786780..a36ebfacd1 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -42,6 +42,9 @@ - #define NUM_WDB_CL_MUX_SEEDS 3 - #define NUM_CADB_MUX_SEEDS 3 - -+/* Specified in PI ticks. 64 PI ticks == 1 qclk */ -+#define tDQSCK_DRIFT 64 -+ - /* ZQ calibration types */ - enum { - ZQ_INIT, /* DDR3: ZQCL with tZQinit, LPDDR3: ZQ Init with tZQinit */ -@@ -188,6 +191,7 @@ enum raminit_status { - RAMINIT_STATUS_MPLL_INIT_FAILURE, - RAMINIT_STATUS_POLL_TIMEOUT, - RAMINIT_STATUS_REUT_ERROR, -+ RAMINIT_STATUS_RCVEN_FAILURE, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -270,6 +274,10 @@ struct sysinfo { - - union ddr_data_vref_adjust_reg dimm_vref; - -+ uint8_t io_latency[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint8_t rt_latency[NUM_CHANNELS][NUM_SLOTRANKS]; -+ uint32_t rt_io_comp[NUM_CHANNELS]; -+ - uint32_t data_offset_train[NUM_CHANNELS][NUM_LANES]; - uint32_t data_offset_comp[NUM_CHANNELS][NUM_LANES]; - -@@ -344,6 +352,11 @@ static inline void clear_data_offset_train_all(struct sysinfo *ctrl) - memset(ctrl->data_offset_train, 0, sizeof(ctrl->data_offset_train)); - } - -+static inline uint32_t get_data_train_feedback(const uint8_t channel, const uint8_t byte) -+{ -+ return mchbar_read32(DDR_DATA_TRAIN_FEEDBACK(channel, byte)); -+} -+ - /* Number of ticks to wait in units of 69.841279 ns (citation needed) */ - static inline void tick_delay(const uint32_t delay) - { -@@ -401,6 +414,7 @@ enum raminit_status convert_timings(struct sysinfo *ctrl); - enum raminit_status configure_mc(struct sysinfo *ctrl); - enum raminit_status configure_memory_map(struct sysinfo *ctrl); - enum raminit_status do_jedec_init(struct sysinfo *ctrl); -+enum raminit_status train_receive_enable(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index b943259b91..b099f4bb82 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -297,6 +297,19 @@ union ddr_scram_misc_control_reg { - uint32_t raw; - }; - -+union sc_io_latency_reg { -+ struct __packed { -+ uint32_t iolat_rank0 : 4; // Bits 3:0 -+ uint32_t iolat_rank1 : 4; // Bits 7:4 -+ uint32_t iolat_rank2 : 4; // Bits 11:8 -+ uint32_t iolat_rank3 : 4; // Bits 15:12 -+ uint32_t rt_iocomp : 6; // Bits 21:16 -+ uint32_t : 9; // Bits 30:22 -+ uint32_t dis_rt_clk_gate : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ - union mcscheds_cbit_reg { - struct __packed { - uint32_t dis_opp_cas : 1; // Bits 0:0 -diff --git a/src/northbridge/intel/haswell/native_raminit/train_receive_enable.c b/src/northbridge/intel/haswell/native_raminit/train_receive_enable.c -new file mode 100644 -index 0000000000..576c6bc21e ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/train_receive_enable.c -@@ -0,0 +1,561 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+#include "ranges.h" -+ -+#define RCVEN_PLOT RAM_DEBUG -+ -+static enum raminit_status change_rcven_timing(struct sysinfo *ctrl, const uint8_t channel) -+{ -+ int16_t max_rcven = -4096; -+ int16_t min_rcven = 4096; -+ int16_t max_rcven_rank[NUM_SLOTRANKS]; -+ int16_t min_rcven_rank[NUM_SLOTRANKS]; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ max_rcven_rank[rank] = max_rcven; -+ min_rcven_rank[rank] = min_rcven; -+ } -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ int16_t new_rcven = ctrl->rcven[channel][rank][byte]; -+ new_rcven -= ctrl->io_latency[channel][rank] * 64; -+ if (max_rcven_rank[rank] < new_rcven) -+ max_rcven_rank[rank] = new_rcven; -+ -+ if (min_rcven_rank[rank] > new_rcven) -+ min_rcven_rank[rank] = new_rcven; -+ } -+ if (max_rcven < max_rcven_rank[rank]) -+ max_rcven = max_rcven_rank[rank]; -+ -+ if (min_rcven > min_rcven_rank[rank]) -+ min_rcven = min_rcven_rank[rank]; -+ } -+ -+ /* -+ * Determine how far we are from the ideal center point for RcvEn timing. -+ * (PiIdeal - AveRcvEn) / 64 is the ideal number of cycles we should have -+ * for IO latency. command training will reduce this by 64, so plan for -+ * that now in the ideal value. Round to closest integer. -+ */ -+ const int16_t rre_pi_ideal = 256 + 64; -+ const int16_t pi_reserve = 64; -+ const int16_t rcven_center = (max_rcven + min_rcven) / 2; -+ const int8_t iolat_target = DIV_ROUND_CLOSEST(rre_pi_ideal - rcven_center, 64); -+ -+ int8_t io_g_offset = 0; -+ int8_t io_lat[NUM_SLOTRANKS] = { 0 }; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ io_lat[rank] = iolat_target; -+ -+ /* Check for RcvEn underflow/overflow */ -+ const int16_t rcven_lower = 64 * io_lat[rank] + min_rcven_rank[rank]; -+ if (rcven_lower < pi_reserve) -+ io_lat[rank] += DIV_ROUND_UP(pi_reserve - rcven_lower, 64); -+ -+ const int16_t rcven_upper = 64 * io_lat[rank] + max_rcven_rank[rank]; -+ if (rcven_upper > 511 - pi_reserve) -+ io_lat[rank] -= DIV_ROUND_UP(rcven_upper - (511 - pi_reserve), 64); -+ -+ /* Check for IO latency over/underflow */ -+ if (io_lat[rank] - io_g_offset > 14) -+ io_g_offset = io_lat[rank] - 14; -+ -+ if (io_lat[rank] - io_g_offset < 1) -+ io_g_offset = io_lat[rank] - 1; -+ -+ const int8_t cycle_offset = io_lat[rank] - ctrl->io_latency[channel][rank]; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ ctrl->rcven[channel][rank][byte] += 64 * cycle_offset; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ } -+ } -+ -+ /* Calculate new IO comp latency */ -+ union sc_io_latency_reg sc_io_lat = { -+ .raw = mchbar_read32(SC_IO_LATENCY_ch(channel)), -+ }; -+ -+ /* Check if we are underflowing or overflowing this field */ -+ if (io_g_offset < 0 && sc_io_lat.rt_iocomp < -io_g_offset) { -+ printk(BIOS_ERR, "%s: IO COMP underflow\n", __func__); -+ printk(BIOS_ERR, "io_g_offset: %d\n", io_g_offset); -+ printk(BIOS_ERR, "rt_iocomp: %u\n", sc_io_lat.rt_iocomp); -+ return RAMINIT_STATUS_RCVEN_FAILURE; -+ } -+ if (io_g_offset > 0 && io_g_offset > 0x3f - sc_io_lat.rt_iocomp) { -+ printk(BIOS_ERR, "%s: IO COMP overflow\n", __func__); -+ printk(BIOS_ERR, "io_g_offset: %d\n", io_g_offset); -+ printk(BIOS_ERR, "rt_iocomp: %u\n", sc_io_lat.rt_iocomp); -+ return RAMINIT_STATUS_RCVEN_FAILURE; -+ } -+ sc_io_lat.rt_iocomp += io_g_offset; -+ ctrl->rt_io_comp[channel] = sc_io_lat.rt_iocomp; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (ctrl->rankmap[channel] & BIT(rank)) -+ ctrl->io_latency[channel][rank] = io_lat[rank] - io_g_offset; -+ -+ const uint8_t shift = rank * 4; -+ sc_io_lat.raw &= ~(0xf << shift); -+ sc_io_lat.raw |= ctrl->io_latency[channel][rank] << shift; -+ } -+ mchbar_write32(SC_IO_LATENCY_ch(channel), sc_io_lat.raw); -+ return RAMINIT_STATUS_SUCCESS; -+} -+ -+#define RL_START (256 + 24) -+#define RL_STOP (384 + 24) -+#define RL_STEP 8 -+ -+#define RE_NUM_SAMPLES 6 -+ -+static enum raminit_status verify_high_region(const int32_t center, const int32_t lwidth) -+{ -+ if (center > RL_STOP) { -+ /* Check if center of high was found where it should be */ -+ printk(BIOS_ERR, "RcvEn: Center of high (%d) higher than expected\n", center); -+ return RAMINIT_STATUS_RCVEN_FAILURE; -+ } -+ if (lwidth <= 32) { -+ /* Check if width is large enough */ -+ printk(BIOS_ERR, "RcvEn: Width of high region (%d) too small\n", lwidth); -+ return RAMINIT_STATUS_RCVEN_FAILURE; -+ } -+ if (lwidth >= 96) { -+ /* Since we're calibrating a phase, a too large region is a problem */ -+ printk(BIOS_ERR, "RcvEn: Width of high region (%d) too large\n", lwidth); -+ return RAMINIT_STATUS_RCVEN_FAILURE; -+ } -+ return RAMINIT_STATUS_SUCCESS; -+} -+ -+static void program_io_latency(struct sysinfo *ctrl, const uint8_t channel, const uint8_t rank) -+{ -+ const uint8_t shift = rank * 4; -+ const uint8_t iolat = ctrl->io_latency[channel][rank]; -+ mchbar_clrsetbits32(SC_IO_LATENCY_ch(channel), 0xf << shift, iolat << shift); -+} -+ -+static void program_rl_delays(struct sysinfo *ctrl, const uint8_t rank, const uint16_t rl_delay) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ update_rxt(ctrl, channel, rank, byte, RXT_RCVEN, rl_delay); -+ } -+} -+ -+static bool sample_dqs(const uint8_t channel, const uint8_t byte) -+{ -+ return (get_data_train_feedback(channel, byte) & 0x1ff) >= BIT(RE_NUM_SAMPLES - 1); -+} -+ -+enum raminit_status train_receive_enable(struct sysinfo *ctrl) -+{ -+ const struct reut_box reut_addr = { -+ .col = { -+ .start = 0, -+ .stop = 1023, -+ .inc_rate = 0, -+ .inc_val = 1, -+ }, -+ }; -+ const struct wdb_pat wdb_pattern = { -+ .start_ptr = 0, -+ .stop_ptr = 9, -+ .inc_rate = 32, -+ .dq_pattern = BASIC_VA, -+ }; -+ -+ const uint16_t bytemask = BIT(ctrl->lanes) - 1; -+ const uint8_t fine_step = 1; -+ -+ const uint8_t rt_delta = is_hsw_ult() ? 4 : 2; -+ const uint8_t rt_io_comp = 21 + rt_delta; -+ const uint8_t rt_latency = 16 + rt_delta; -+ setup_io_test( -+ ctrl, -+ ctrl->chanmap, -+ PAT_RD, -+ 2, -+ RE_NUM_SAMPLES + 1, -+ &reut_addr, -+ 0, -+ &wdb_pattern, -+ 0, -+ 8); -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ union ddr_data_control_2_reg data_control_2 = { -+ .raw = ctrl->dq_control_2[channel][byte], -+ }; -+ data_control_2.force_rx_on = 1; -+ mchbar_write32(DQ_CONTROL_2(channel, byte), data_control_2.raw); -+ } -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ if (ctrl->lpddr) { -+ /** -+ * W/A for b4618574 - @todo: remove for HSW ULT C0 -+ * Can't have force_odt_on together with leaker, disable LPDDR -+ * mode during this training step. lpddr_mode is restored -+ * at the end of this function from the host structure. -+ */ -+ data_control_0.lpddr_mode = 0; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ } -+ data_control_0.force_odt_on = 1; -+ data_control_0.rl_training_mode = 1; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ mchbar_write32(SC_IO_LATENCY_ch(channel), (union sc_io_latency_reg) { -+ .rt_iocomp = rt_io_comp, -+ }.raw); -+ } -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!does_rank_exist(ctrl, rank)) -+ continue; -+ -+ /* -+ * Set initial roundtrip latency values. Assume -4 QCLK for worst board -+ * layout. This is calculated as HW_ROUNDT_LAT_DEFAULT_VALUE plus: -+ * -+ * DDR3: Default + (2 * tAA) + 4 QCLK + PI_CLK + N-mode value * 2 -+ * LPDDR3: Default + (2 * tAA) + 4 QCLK + PI_CLK + tDQSCK_max -+ * -+ * N-mode is 3 during training mode. Both channels use the same timings. -+ */ -+ /** TODO: differs for LPDDR **/ -+ const uint32_t tmp = MAX(ctrl->multiplier, 4) + 5 + 2 * ctrl->tAA; -+ const uint32_t initial_rt_latency = MIN(rt_latency + tmp, 0x3f); -+ -+ uint8_t chanmask = 0; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ chanmask |= select_reut_ranks(ctrl, channel, BIT(rank)); -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ ctrl->io_latency[channel][rank] = 0; -+ mchbar_write8(SC_ROUNDT_LAT_ch(channel) + rank, initial_rt_latency); -+ ctrl->rt_latency[channel][rank] = initial_rt_latency; -+ } -+ -+ printk(BIOS_DEBUG, "Rank %u\n", rank); -+ printk(BIOS_DEBUG, "Steps 1 and 2: Find middle of high region\n"); -+ printk(RCVEN_PLOT, "Byte"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RCVEN_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(RCVEN_PLOT, "%u ", byte); -+ } -+ printk(RCVEN_PLOT, "\nRcvEn\n"); -+ struct phase_train_data region_data[NUM_CHANNELS][NUM_LANES] = { 0 }; -+ for (uint16_t rl_delay = RL_START; rl_delay < RL_STOP; rl_delay += RL_STEP) { -+ printk(RCVEN_PLOT, " % 3d", rl_delay); -+ program_rl_delays(ctrl, rank, rl_delay); -+ run_io_test(ctrl, chanmask, BASIC_VA, true); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RCVEN_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const bool high = sample_dqs(channel, byte); -+ printk(RCVEN_PLOT, high ? ". " : "# "); -+ phase_record_pass( -+ ®ion_data[channel][byte], -+ high, -+ rl_delay, -+ RL_START, -+ RL_STEP); -+ } -+ } -+ printk(RCVEN_PLOT, "\n"); -+ } -+ printk(RCVEN_PLOT, "\n"); -+ printk(BIOS_DEBUG, "Update RcvEn timing to be in the center of high region\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_DEBUG, "C%u.R%u: \tLeft\tRight\tWidth\tCenter\n", -+ channel, rank); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ struct phase_train_data *const curr_data = -+ ®ion_data[channel][byte]; -+ phase_append_current_to_initial(curr_data, RL_START, RL_STEP); -+ const int32_t lwidth = range_width(curr_data->largest); -+ const int32_t center = range_center(curr_data->largest); -+ printk(BIOS_DEBUG, " B%u: \t%d\t%d\t%d\t%d\n", -+ byte, -+ curr_data->largest.start, -+ curr_data->largest.end, -+ lwidth, -+ center); -+ -+ status = verify_high_region(center, lwidth); -+ if (status) { -+ printk(BIOS_ERR, -+ "RcvEn problems on channel %u, byte %u\n", -+ channel, byte); -+ goto clean_up; -+ } -+ ctrl->rcven[channel][rank][byte] = center; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ -+ printk(BIOS_DEBUG, "Step 3: Quarter preamble - Walk backwards\n"); -+ printk(RCVEN_PLOT, "Byte"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RCVEN_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(RCVEN_PLOT, "%u ", byte); -+ } -+ printk(RCVEN_PLOT, "\nIOLAT\n"); -+ bool done = false; -+ while (!done) { -+ run_io_test(ctrl, chanmask, BASIC_VA, true); -+ done = true; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RCVEN_PLOT, " %2u\t", ctrl->io_latency[channel][rank]); -+ uint16_t highs = 0; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const bool high = sample_dqs(channel, byte); -+ printk(RCVEN_PLOT, high ? "H " : "L "); -+ if (high) -+ highs |= BIT(byte); -+ } -+ if (!highs) -+ continue; -+ -+ done = false; -+ -+ /* If all bytes sample high, adjust timing globally */ -+ if (highs == bytemask && ctrl->io_latency[channel][rank] < 14) { -+ ctrl->io_latency[channel][rank] += 2; -+ ctrl->io_latency[channel][rank] %= 16; -+ program_io_latency(ctrl, channel, rank); -+ continue; -+ } -+ -+ /* Otherwise, adjust individual bytes */ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ if (!(highs & BIT(byte))) -+ continue; -+ -+ if (ctrl->rcven[channel][rank][byte] < 128) { -+ printk(BIOS_ERR, -+ "RcvEn underflow: walking backwards\n"); -+ printk(BIOS_ERR, -+ "For channel %u, rank %u, byte %u\n", -+ channel, rank, byte); -+ status = RAMINIT_STATUS_RCVEN_FAILURE; -+ goto clean_up; -+ } -+ ctrl->rcven[channel][rank][byte] -= 128; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ } -+ } -+ printk(RCVEN_PLOT, "\n"); -+ } -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_DEBUG, "\nC%u: Preamble\n", channel); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ printk(BIOS_DEBUG, -+ " B%u: %u\n", byte, ctrl->rcven[channel][rank][byte]); -+ } -+ } -+ printk(BIOS_DEBUG, "\n"); -+ -+ printk(BIOS_DEBUG, "Step 4: Add 1 qclk\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ ctrl->rcven[channel][rank][byte] += 64; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ } -+ } -+ printk(BIOS_DEBUG, "\n"); -+ -+ printk(BIOS_DEBUG, "Step 5: Walk forward to find rising edge\n"); -+ printk(RCVEN_PLOT, "Byte"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RCVEN_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(RCVEN_PLOT, "%u ", byte); -+ } -+ printk(RCVEN_PLOT, "\n inc\n"); -+ uint16_t ch_result[NUM_CHANNELS] = { 0 }; -+ uint8_t inc_preamble[NUM_CHANNELS][NUM_LANES] = { 0 }; -+ for (uint8_t inc = 0; inc < 64; inc += fine_step) { -+ printk(RCVEN_PLOT, " %2u\t", inc); -+ run_io_test(ctrl, chanmask, BASIC_VA, true); -+ done = true; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ if (ch_result[channel] & BIT(byte)) { -+ /* Skip bytes that are already done */ -+ printk(RCVEN_PLOT, ". "); -+ continue; -+ } -+ const bool pass = sample_dqs(channel, byte); -+ printk(RCVEN_PLOT, pass ? ". " : "# "); -+ if (pass) { -+ ch_result[channel] |= BIT(byte); -+ continue; -+ } -+ ctrl->rcven[channel][rank][byte] += fine_step; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ inc_preamble[channel][byte] = inc; -+ } -+ printk(RCVEN_PLOT, "\t"); -+ if (ch_result[channel] != bytemask) -+ done = false; -+ } -+ printk(RCVEN_PLOT, "\n"); -+ if (done) -+ break; -+ } -+ printk(BIOS_DEBUG, "\n"); -+ if (!done) { -+ printk(BIOS_ERR, "Error: Preamble edge not found for all bytes\n"); -+ printk(BIOS_ERR, "The final RcvEn results are as follows:\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_ERR, "Channel %u Rank %u: preamble\n", -+ channel, rank); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ printk(BIOS_ERR, " Byte %u: %u%s\n", byte, -+ ctrl->rcven[channel][rank][byte], -+ (ch_result[channel] ^ bytemask) & BIT(byte) -+ ? "" -+ : " *** Check this byte! ***"); -+ } -+ } -+ status = RAMINIT_STATUS_RCVEN_FAILURE; -+ goto clean_up; -+ } -+ -+ printk(BIOS_DEBUG, "Step 6: center on preamble and clean up rank\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_DEBUG, "C%u: Preamble increment\n", channel); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ /* -+ * For Traditional, pull in RcvEn by 64. For ULT, take the DQS -+ * drift into account to the specified guardband: tDQSCK_DRIFT. -+ */ -+ ctrl->rcven[channel][rank][byte] -= tDQSCK_DRIFT; -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ printk(BIOS_DEBUG, " B%u: %u %u\n", byte, -+ ctrl->rcven[channel][rank][byte], -+ inc_preamble[channel][byte]); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ -+clean_up: -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ if (ctrl->lpddr) { -+ /** -+ * W/A for b4618574 - @todo: remove for HSW ULT C0 -+ * Can't have force_odt_on together with leaker, disable LPDDR mode for -+ * this training step. This write will disable force_odt_on while still -+ * keeping LPDDR mode disabled. Second write will restore LPDDR mode. -+ */ -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ data_control_0.lpddr_mode = 0; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ } -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), ctrl->dq_control_0[channel]); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ mchbar_write32(DQ_CONTROL_2(channel, byte), -+ ctrl->dq_control_2[channel][byte]); -+ } -+ } -+ io_reset(); -+ if (status) -+ return status; -+ -+ printk(BIOS_DEBUG, "Step 7: Sync IO latency across all ranks\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ status = change_rcven_timing(ctrl, channel); -+ if (status) -+ return status; -+ } -+ printk(BIOS_DEBUG, "\nFinal Receive Enable and IO latency settings:\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ const union sc_io_latency_reg sc_io_latency = { -+ .raw = mchbar_read32(SC_IO_LATENCY_ch(channel)), -+ }; -+ printk(BIOS_DEBUG, " C%u.R%u: IOLAT = %u rt_iocomp = %u\n", channel, -+ rank, ctrl->io_latency[channel][rank], sc_io_latency.rt_iocomp); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ printk(BIOS_DEBUG, " B%u: %u\n", byte, -+ ctrl->rcven[channel][rank][byte]); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ } -+ return status; -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index a81559bb1e..9172d4f2b0 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -18,6 +18,8 @@ - #define RX_TRAIN_ch_r_b(ch, rank, byte) _DDRIO_C_R_B(0x0000, ch, rank, byte) - #define TX_TRAIN_ch_r_b(ch, rank, byte) _DDRIO_C_R_B(0x0020, ch, rank, byte) - -+#define DDR_DATA_TRAIN_FEEDBACK(ch, byte) _DDRIO_C_R_B(0x0054, ch, 0, byte) -+ - #define DQ_CONTROL_2(ch, byte) _DDRIO_C_R_B(0x0064, ch, 0, byte) - #define DQ_CONTROL_0(ch, byte) _DDRIO_C_R_B(0x0074, ch, 0, byte) - -@@ -100,6 +102,7 @@ - #define COMMAND_RATE_LIMIT_ch(ch) _MCMAIN_C(0x4010, ch) - #define TC_BANK_RANK_D_ch(ch) _MCMAIN_C(0x4014, ch) - #define SC_ROUNDT_LAT_ch(ch) _MCMAIN_C(0x4024, ch) -+#define SC_IO_LATENCY_ch(ch) _MCMAIN_C(0x4028, ch) - - #define REUT_ch_PAT_WDB_CL_MUX_CFG(ch) _MCMAIN_C(0x4040, ch) - --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0022-haswell-NRI-Add-function-to-change-margins.patch b/resources/coreboot/haswell/patches/0022-haswell-NRI-Add-function-to-change-margins.patch deleted file mode 100644 index 2e6de17c..00000000 --- a/resources/coreboot/haswell/patches/0022-haswell-NRI-Add-function-to-change-margins.patch +++ /dev/null @@ -1,272 +0,0 @@ -From 8c3874195c0fc1af9d0b84611496689da1c19d8c Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 11:58:59 +0200 -Subject: [PATCH 22/26] haswell NRI: Add function to change margins - -Implement a function to change margin parameters. Haswell provides a -register to apply an offset to margin parameters during training, so -make use of it. There are other margin parameters that have not been -implemented yet, as they are not needed for now and special handling -is needed to provide offset training functionality. - -Change-Id: I5392380e13de3c44e77b7bc9f3b819e2661d1e2d -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../haswell/native_raminit/change_margin.c | 136 ++++++++++++++++++ - .../haswell/native_raminit/raminit_native.h | 39 +++++ - .../haswell/native_raminit/reg_structs.h | 12 ++ - .../intel/haswell/registers/mchbar.h | 1 + - 4 files changed, 188 insertions(+) - -diff --git a/src/northbridge/intel/haswell/native_raminit/change_margin.c b/src/northbridge/intel/haswell/native_raminit/change_margin.c -index 12da59580f..4ba9cfa5c6 100644 ---- a/src/northbridge/intel/haswell/native_raminit/change_margin.c -+++ b/src/northbridge/intel/haswell/native_raminit/change_margin.c -@@ -1,5 +1,6 @@ - /* SPDX-License-Identifier: GPL-2.0-or-later */ - -+#include <assert.h> - #include <commonlib/clamp.h> - #include <console/console.h> - #include <delay.h> -@@ -152,3 +153,138 @@ void download_regfile( - ddr_data_control_0.read_rf_rank = phys_rank; - mchbar_write32(reg, ddr_data_control_0.raw); - } -+ -+static void update_data_offset_train( -+ struct sysinfo *ctrl, -+ const uint8_t param, -+ const uint8_t en_multicast, -+ const uint8_t channel_in, -+ const uint8_t rank, -+ const uint8_t byte_in, -+ const bool update_ctrl, -+ const enum regfile_mode regfile, -+ const uint32_t value) -+{ -+ bool is_rd = false; -+ bool is_wr = false; -+ switch (param) { -+ case RdT: -+ case RdV: -+ case RcvEna: -+ is_rd = true; -+ break; -+ case WrT: -+ case WrDqsT: -+ is_wr = true; -+ break; -+ default: -+ die("%s: Invalid margin parameter %u\n", __func__, param); -+ } -+ if (en_multicast) { -+ mchbar_write32(DDR_DATA_OFFSET_TRAIN, value); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ download_regfile(ctrl, channel, true, rank, regfile, 0, is_rd, is_wr); -+ if (update_ctrl) { -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ ctrl->data_offset_train[channel][byte] = value; -+ } -+ } -+ } else { -+ mchbar_write32(DDR_DATA_OFFSET_TRAIN_ch_b(channel_in, byte_in), value); -+ download_regfile(ctrl, channel_in, false, rank, regfile, byte_in, is_rd, is_wr); -+ if (update_ctrl) -+ ctrl->data_offset_train[channel_in][byte_in] = value; -+ } -+} -+ -+static uint32_t get_max_margin(const enum margin_parameter param) -+{ -+ switch (param) { -+ case RcvEna: -+ case RdT: -+ case WrT: -+ case WrDqsT: -+ return MAX_POSSIBLE_TIME; -+ case RdV: -+ return MAX_POSSIBLE_VREF; -+ default: -+ die("%s: Invalid margin parameter %u\n", __func__, param); -+ } -+} -+ -+void change_margin( -+ struct sysinfo *ctrl, -+ const enum margin_parameter param, -+ const int32_t value0, -+ const bool en_multicast, -+ const uint8_t channel, -+ const uint8_t rank, -+ const uint8_t byte, -+ const bool update_ctrl, -+ const enum regfile_mode regfile) -+{ -+ /** FIXME: Remove this **/ -+ if (rank == 0xff) -+ die("%s: rank is 0xff\n", __func__); -+ -+ if (!en_multicast && !does_ch_exist(ctrl, channel)) -+ die("%s: Tried to change margin of empty channel %u\n", __func__, channel); -+ -+ const uint32_t max_value = get_max_margin(param); -+ const int32_t v0 = clamp_s32(-max_value, value0, max_value); -+ -+ union ddr_data_offset_train_reg ddr_data_offset_train = { -+ .raw = en_multicast ? 0 : ctrl->data_offset_train[channel][byte], -+ }; -+ bool update_offset_train = false; -+ switch (param) { -+ case RcvEna: -+ ddr_data_offset_train.rcven = v0; -+ update_offset_train = true; -+ break; -+ case RdT: -+ ddr_data_offset_train.rx_dqs = v0; -+ update_offset_train = true; -+ break; -+ case WrT: -+ ddr_data_offset_train.tx_dq = v0; -+ update_offset_train = true; -+ break; -+ case WrDqsT: -+ ddr_data_offset_train.tx_dqs = v0; -+ update_offset_train = true; -+ break; -+ case RdV: -+ ddr_data_offset_train.vref = v0; -+ update_offset_train = true; -+ break; -+ default: -+ die("%s: Invalid margin parameter %u\n", __func__, param); -+ } -+ if (update_offset_train) { -+ update_data_offset_train( -+ ctrl, -+ param, -+ en_multicast, -+ channel, -+ rank, -+ byte, -+ update_ctrl, -+ regfile, -+ ddr_data_offset_train.raw); -+ } -+} -+ -+void change_1d_margin_multicast( -+ struct sysinfo *ctrl, -+ const enum margin_parameter param, -+ const int32_t value0, -+ const uint8_t rank, -+ const bool update_ctrl, -+ const enum regfile_mode regfile) -+{ -+ change_margin(ctrl, param, value0, true, 0, rank, 0, update_ctrl, regfile); -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index a36ebfacd1..500fc28909 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -35,6 +35,18 @@ - - #define RTTNOM_MASK (BIT(9) | BIT(6) | BIT(2)) - -+/* Margin parameter limits */ -+#define MAX_POSSIBLE_TIME 31 -+#define MAX_POSSIBLE_VREF 54 -+ -+#define MAX_POSSIBLE_BOTH MAX_POSSIBLE_VREF -+ -+#define MIN_TIME (-MAX_POSSIBLE_TIME) -+#define MAX_TIME (MAX_POSSIBLE_TIME) -+ -+#define MIN_VREF (-MAX_POSSIBLE_VREF) -+#define MAX_VREF (MAX_POSSIBLE_VREF) -+ - #define BASIC_VA_PAT_SPREAD_8 0x01010101 - - #define WDB_CACHE_LINE_SIZE 8 -@@ -45,6 +57,14 @@ - /* Specified in PI ticks. 64 PI ticks == 1 qclk */ - #define tDQSCK_DRIFT 64 - -+enum margin_parameter { -+ RcvEna, -+ RdT, -+ WrT, -+ WrDqsT, -+ RdV, -+}; -+ - /* ZQ calibration types */ - enum { - ZQ_INIT, /* DDR3: ZQCL with tZQinit, LPDDR3: ZQ Init with tZQinit */ -@@ -516,6 +536,25 @@ void download_regfile( - bool read_rf_rd, - bool read_rf_wr); - -+void change_margin( -+ struct sysinfo *ctrl, -+ const enum margin_parameter param, -+ const int32_t value0, -+ const bool en_multicast, -+ const uint8_t channel, -+ const uint8_t rank, -+ const uint8_t byte, -+ const bool update_ctrl, -+ const enum regfile_mode regfile); -+ -+void change_1d_margin_multicast( -+ struct sysinfo *ctrl, -+ const enum margin_parameter param, -+ const int32_t value0, -+ const uint8_t rank, -+ const bool update_ctrl, -+ const enum regfile_mode regfile); -+ - uint8_t get_rx_bias(const struct sysinfo *ctrl); - - uint8_t get_tCWL(uint32_t mem_clock_mhz); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index b099f4bb82..a0e36ed082 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -25,6 +25,18 @@ union ddr_data_tx_train_rank_reg { - uint32_t raw; - }; - -+union ddr_data_offset_train_reg { -+ struct __packed { -+ int32_t rcven : 6; // Bits 5:0 -+ int32_t rx_dqs : 6; // Bits 11:6 -+ int32_t tx_dq : 6; // Bits 17:12 -+ int32_t tx_dqs : 6; // Bits 23:18 -+ int32_t vref : 7; // Bits 30:24 -+ int32_t : 1; // Bits 31:31 -+ }; -+ uint32_t raw; -+}; -+ - union ddr_data_control_0_reg { - struct __packed { - uint32_t rx_training_mode : 1; // Bits 0:0 -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 9172d4f2b0..0acafbc826 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -21,6 +21,7 @@ - #define DDR_DATA_TRAIN_FEEDBACK(ch, byte) _DDRIO_C_R_B(0x0054, ch, 0, byte) - - #define DQ_CONTROL_2(ch, byte) _DDRIO_C_R_B(0x0064, ch, 0, byte) -+#define DDR_DATA_OFFSET_TRAIN_ch_b(ch, byte) _DDRIO_C_R_B(0x0070, ch, 0, byte) - #define DQ_CONTROL_0(ch, byte) _DDRIO_C_R_B(0x0074, ch, 0, byte) - - /* DDR CKE per-channel */ --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0023-haswell-NRI-Add-read-MPR-training.patch b/resources/coreboot/haswell/patches/0023-haswell-NRI-Add-read-MPR-training.patch deleted file mode 100644 index b13eb2db..00000000 --- a/resources/coreboot/haswell/patches/0023-haswell-NRI-Add-read-MPR-training.patch +++ /dev/null @@ -1,331 +0,0 @@ -From 6781cec818501f7afd6ee26464fd4556ac3068cb Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 11:35:49 +0200 -Subject: [PATCH 23/26] haswell NRI: Add read MPR training - -Implement read training using DDR3 MPR (Multi-Purpose Register). - -Change-Id: Id17cb2c4c399ac9bcc937b595b58f863c152461b -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 4 + - .../haswell/native_raminit/train_read_mpr.c | 240 ++++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 2 +- - 5 files changed, 247 insertions(+), 1 deletion(-) - create mode 100644 src/northbridge/intel/haswell/native_raminit/train_read_mpr.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index e2fbfb4211..c442be0728 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -16,4 +16,5 @@ romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c - romstage-y += testing_io.c - romstage-y += timings_refresh.c -+romstage-y += train_read_mpr.c - romstage-y += train_receive_enable.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 7d444659c3..264d1468f5 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -61,6 +61,7 @@ static const struct task_entry cold_boot[] = { - { do_jedec_init, true, "JEDECINIT", }, - { pre_training, true, "PRETRAIN", }, - { train_receive_enable, true, "RCVET", }, -+ { train_read_mpr, true, "RDMPRT", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 500fc28909..a7551ad63c 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -27,6 +27,8 @@ - /* Always use 12 legs for emphasis (not trained) */ - #define TXEQFULLDRV (3 << 4) - -+#define LOOPCOUNT_INFINITE 0xff -+ - /* DDR3 mode register bits */ - #define MR0_DLL_RESET BIT(8) - -@@ -212,6 +214,7 @@ enum raminit_status { - RAMINIT_STATUS_POLL_TIMEOUT, - RAMINIT_STATUS_REUT_ERROR, - RAMINIT_STATUS_RCVEN_FAILURE, -+ RAMINIT_STATUS_RMPR_FAILURE, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -435,6 +438,7 @@ enum raminit_status configure_mc(struct sysinfo *ctrl); - enum raminit_status configure_memory_map(struct sysinfo *ctrl); - enum raminit_status do_jedec_init(struct sysinfo *ctrl); - enum raminit_status train_receive_enable(struct sysinfo *ctrl); -+enum raminit_status train_read_mpr(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/native_raminit/train_read_mpr.c b/src/northbridge/intel/haswell/native_raminit/train_read_mpr.c -new file mode 100644 -index 0000000000..0225e1a384 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/train_read_mpr.c -@@ -0,0 +1,240 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <commonlib/clamp.h> -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+#include "ranges.h" -+ -+#define RMPR_START (-32) -+#define RMPR_STOP (32) -+#define RMPR_STEP 1 -+ -+#define RMPR_MIN_WIDTH 12 -+ -+#define RMPR_PLOT RAM_DEBUG -+ -+/* -+ * Clear rx_training_mode. For LPDDR, we first need to disable odt_samp_extend_en, -+ * then disable rx_training_mode, and finally re-enable odt_samp_extend_en. -+ */ -+static void clear_rx_training_mode(struct sysinfo *ctrl, const uint8_t channel) -+{ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ mchbar_write32(DQ_CONTROL_2(channel, byte), ctrl->dq_control_2[channel][byte]); -+ -+ if (ctrl->lpddr) { -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = mchbar_read32(DDR_DATA_ch_CONTROL_0(channel)), -+ }; -+ data_control_0.odt_samp_extend_en = 0; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ tick_delay(1); -+ data_control_0.rx_training_mode = 0; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ tick_delay(1); -+ } -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), ctrl->dq_control_0[channel]); -+} -+ -+static void set_rxdqs_edges_to_midpoint(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ update_rxt(ctrl, channel, rank, byte, RXT_RXDQS_BOTH, 32); -+ } -+ } -+} -+ -+static void enter_mpr_train_ddr_mode(struct sysinfo *ctrl, const uint8_t rank) -+{ -+ /* Program MR3 and mask RAS/WE to prevent scheduler from issuing non-read commands */ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ if (!ctrl->lpddr) -+ reut_issue_mrs(ctrl, channel, BIT(rank), 3, 1 << 2); -+ -+ union reut_misc_odt_ctrl_reg reut_misc_odt_ctrl = { -+ .raw = mchbar_read32(REUT_ch_MISC_ODT_CTRL(channel)), -+ }; -+ reut_misc_odt_ctrl.mpr_train_ddr_on = 1; -+ mchbar_write32(REUT_ch_MISC_ODT_CTRL(channel), reut_misc_odt_ctrl.raw); -+ } -+} -+ -+static void leave_mpr_train_ddr_mode(struct sysinfo *ctrl, const uint8_t rank) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ /* -+ * The mpr_train_ddr_on bit will force a special command. -+ * Therefore, clear it before issuing the MRS command. -+ */ -+ union reut_misc_odt_ctrl_reg reut_misc_odt_ctrl = { -+ .raw = mchbar_read32(REUT_ch_MISC_ODT_CTRL(channel)), -+ }; -+ reut_misc_odt_ctrl.mpr_train_ddr_on = 0; -+ mchbar_write32(REUT_ch_MISC_ODT_CTRL(channel), reut_misc_odt_ctrl.raw); -+ if (!ctrl->lpddr) -+ reut_issue_mrs(ctrl, channel, BIT(rank), 3, 0 << 2); -+ } -+} -+ -+enum raminit_status train_read_mpr(struct sysinfo *ctrl) -+{ -+ set_rxdqs_edges_to_midpoint(ctrl); -+ clear_data_offset_train_all(ctrl); -+ setup_io_test_mpr(ctrl, ctrl->chanmap, LOOPCOUNT_INFINITE, NSOE); -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!does_rank_exist(ctrl, rank)) -+ continue; -+ -+ printk(BIOS_DEBUG, "Rank %u\n", rank); -+ printk(RMPR_PLOT, "Channel"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RMPR_PLOT, "\t%u\t\t", channel); -+ } -+ printk(RMPR_PLOT, "\nByte"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RMPR_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(RMPR_PLOT, "%u ", byte); -+ } -+ enter_mpr_train_ddr_mode(ctrl, rank); -+ struct linear_train_data region_data[NUM_CHANNELS][NUM_LANES] = { 0 }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) -+ select_reut_ranks(ctrl, channel, BIT(rank)); -+ -+ printk(RMPR_PLOT, "\nDqsDelay\n"); -+ int8_t dqs_delay; -+ for (dqs_delay = RMPR_START; dqs_delay < RMPR_STOP; dqs_delay += RMPR_STEP) { -+ printk(RMPR_PLOT, "% 5d", dqs_delay); -+ const enum regfile_mode regfile = REG_FILE_USE_START; -+ change_1d_margin_multicast(ctrl, RdT, dqs_delay, 0, false, regfile); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ union ddr_data_control_2_reg data_control_2 = { -+ .raw = ctrl->dq_control_2[channel][byte], -+ }; -+ data_control_2.force_bias_on = 1; -+ data_control_2.force_rx_on = 1; -+ data_control_2.leaker_comp = 0; -+ mchbar_write32(DQ_CONTROL_2(channel, byte), -+ data_control_2.raw); -+ } -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ data_control_0.rx_training_mode = 1; -+ data_control_0.force_odt_on = !ctrl->lpddr; -+ data_control_0.en_read_preamble = 0; -+ data_control_0.odt_samp_extend_en = ctrl->lpddr; -+ const uint32_t reg_offset = DDR_DATA_ch_CONTROL_0(channel); -+ mchbar_write32(reg_offset, data_control_0.raw); -+ } -+ run_mpr_io_test(false); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(RMPR_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ uint32_t fb = get_data_train_feedback(channel, byte); -+ const bool pass = fb == 1; -+ printk(RMPR_PLOT, pass ? ". " : "# "); -+ linear_record_pass( -+ ®ion_data[channel][byte], -+ pass, -+ dqs_delay, -+ RMPR_START, -+ RMPR_STEP); -+ } -+ } -+ printk(RMPR_PLOT, "\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ clear_rx_training_mode(ctrl, channel); -+ } -+ io_reset(); -+ } -+ printk(RMPR_PLOT, "\n"); -+ leave_mpr_train_ddr_mode(ctrl, rank); -+ clear_data_offset_train_all(ctrl); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_DEBUG, "C%u.R%u: \tLeft\tRight\tWidth\tCenter\tRxDqsPN\n", -+ channel, rank); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ struct linear_train_data *data = ®ion_data[channel][byte]; -+ const int32_t lwidth = range_width(data->largest); -+ if (lwidth <= RMPR_MIN_WIDTH) { -+ printk(BIOS_ERR, -+ "Bad eye (lwidth %d <= min %d) for byte %u\n", -+ lwidth, RMPR_MIN_WIDTH, byte); -+ status = RAMINIT_STATUS_RMPR_FAILURE; -+ } -+ /* -+ * The MPR center may not be ideal on certain platforms for -+ * unknown reasons. If so, adjust it with a magical number. -+ * For Haswell, the magical number is zero. Hell knows why. -+ */ -+ const int32_t center = range_center(data->largest); -+ ctrl->rxdqsp[channel][rank][byte] = center - RMPR_START; -+ ctrl->rxdqsn[channel][rank][byte] = center - RMPR_START; -+ printk(BIOS_DEBUG, " B%u: \t%d\t%d\t%d\t%d\t%u\n", byte, -+ data->largest.start, data->largest.end, lwidth, -+ center, ctrl->rxdqsp[channel][rank][byte]); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ } -+ -+ /* -+ * Now program the DQS center values on populated ranks. data is taken from -+ * the host struct. We need to do it after all ranks are trained, because we -+ * need to keep the same DQS value on all ranks during the training procedure. -+ */ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ update_rxt(ctrl, channel, rank, byte, RXT_RESTORE, 0); -+ } -+ } -+ change_1d_margin_multicast(ctrl, RdT, 0, 0, false, REG_FILE_USE_CURRENT); -+ io_reset(); -+ return status; -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 0acafbc826..6a31d3a32c 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -122,7 +122,7 @@ - #define REUT_ch_ERR_DATA_MASK(ch) _MCMAIN_C(0x40d8, ch) - - #define REUT_ch_MISC_CKE_CTRL(ch) _MCMAIN_C(0x4190, ch) -- -+#define REUT_ch_MISC_ODT_CTRL(ch) _MCMAIN_C(0x4194, ch) - #define REUT_ch_MISC_PAT_CADB_CTRL(ch) _MCMAIN_C(0x4198, ch) - #define REUT_ch_PAT_CADB_MRS(ch) _MCMAIN_C(0x419c, ch) - #define REUT_ch_PAT_CADB_MUX_CTRL(ch) _MCMAIN_C(0x41a0, ch) --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0024-haswell-NRI-Add-write-leveling.patch b/resources/coreboot/haswell/patches/0024-haswell-NRI-Add-write-leveling.patch deleted file mode 100644 index 59e9af9d..00000000 --- a/resources/coreboot/haswell/patches/0024-haswell-NRI-Add-write-leveling.patch +++ /dev/null @@ -1,688 +0,0 @@ -From 20fe4fa852d3e13851a01b51dc984ec5976c864e Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 12:56:04 +0200 -Subject: [PATCH 24/26] haswell NRI: Add write leveling - -Implement JEDEC write leveling, which is done in two steps. The first -step uses the JEDEC procedure to do "fine" write leveling, i.e. align -the DQS phase to the clock signal. The second step performs a regular -read-write test to correct "coarse" cycle errors. - -Change-Id: I27678523fe22c38173a688e2a4751c259a20f009 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/raminit_main.c | 1 + - .../haswell/native_raminit/raminit_native.h | 10 + - .../train_jedec_write_leveling.c | 580 ++++++++++++++++++ - .../intel/haswell/registers/mchbar.h | 2 + - 5 files changed, 594 insertions(+) - create mode 100644 src/northbridge/intel/haswell/native_raminit/train_jedec_write_leveling.c - -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index c442be0728..40c2f5e014 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -16,5 +16,6 @@ romstage-y += setup_wdb.c - romstage-y += spd_bitmunching.c - romstage-y += testing_io.c - romstage-y += timings_refresh.c -+romstage-y += train_jedec_write_leveling.c - romstage-y += train_read_mpr.c - romstage-y += train_receive_enable.c -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 264d1468f5..1ff23be615 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -62,6 +62,7 @@ static const struct task_entry cold_boot[] = { - { pre_training, true, "PRETRAIN", }, - { train_receive_enable, true, "RCVET", }, - { train_read_mpr, true, "RDMPRT", }, -+ { train_jedec_write_leveling, true, "JWRL", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index a7551ad63c..666b233c45 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -59,6 +59,9 @@ - /* Specified in PI ticks. 64 PI ticks == 1 qclk */ - #define tDQSCK_DRIFT 64 - -+/* Maximum additional latency */ -+#define MAX_ADD_DELAY 2 -+ - enum margin_parameter { - RcvEna, - RdT, -@@ -215,6 +218,7 @@ enum raminit_status { - RAMINIT_STATUS_REUT_ERROR, - RAMINIT_STATUS_RCVEN_FAILURE, - RAMINIT_STATUS_RMPR_FAILURE, -+ RAMINIT_STATUS_JWRL_FAILURE, - RAMINIT_STATUS_UNSPECIFIED_ERROR, /** TODO: Deprecated in favor of specific values **/ - }; - -@@ -380,6 +384,11 @@ static inline uint32_t get_data_train_feedback(const uint8_t channel, const uint - return mchbar_read32(DDR_DATA_TRAIN_FEEDBACK(channel, byte)); - } - -+static inline uint16_t get_byte_group_errors(const uint8_t channel) -+{ -+ return mchbar_read32(4 + REUT_ch_ERR_MISC_STATUS(channel)) & 0x1ff; -+} -+ - /* Number of ticks to wait in units of 69.841279 ns (citation needed) */ - static inline void tick_delay(const uint32_t delay) - { -@@ -439,6 +448,7 @@ enum raminit_status configure_memory_map(struct sysinfo *ctrl); - enum raminit_status do_jedec_init(struct sysinfo *ctrl); - enum raminit_status train_receive_enable(struct sysinfo *ctrl); - enum raminit_status train_read_mpr(struct sysinfo *ctrl); -+enum raminit_status train_jedec_write_leveling(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/native_raminit/train_jedec_write_leveling.c b/src/northbridge/intel/haswell/native_raminit/train_jedec_write_leveling.c -new file mode 100644 -index 0000000000..1ba28a3bd4 ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/train_jedec_write_leveling.c -@@ -0,0 +1,580 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <assert.h> -+#include <console/console.h> -+#include <delay.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+#include "ranges.h" -+ -+#define JWLC_PLOT RAM_DEBUG -+#define JWRL_PLOT RAM_DEBUG -+ -+static void reset_dram_dll(struct sysinfo *ctrl, const uint8_t channel, const uint8_t rank) -+{ -+ reut_issue_mrs(ctrl, channel, BIT(rank), 0, ctrl->mr0[channel][rank] | MR0_DLL_RESET); -+} -+ -+static void program_wdb_pattern(struct sysinfo *ctrl, const bool invert) -+{ -+ /* Pattern to keep DQ-DQS simple but detect any failures. Same as NHM/WSM. */ -+ const uint8_t pat[4][2] = { -+ { 0x00, 0xff }, -+ { 0xff, 0x00 }, -+ { 0xc3, 0x3c }, -+ { 0x3c, 0xc3 }, -+ }; -+ const uint8_t pmask[2][8] = { -+ { 0, 0, 1, 1, 1, 1, 0, 0 }, -+ { 1, 1, 0, 0, 0, 0, 1, 1 }, -+ }; -+ for (uint8_t s = 0; s < ARRAY_SIZE(pat); s++) -+ write_wdb_fixed_pat(ctrl, pat[s], pmask[invert], ARRAY_SIZE(pmask[invert]), s); -+} -+ -+static int16_t set_add_delay(uint32_t *add_delay, uint8_t rank, int8_t target_off) -+{ -+ const uint8_t shift = rank * 2; -+ if (target_off > MAX_ADD_DELAY) { -+ *add_delay &= ~(3 << shift); -+ *add_delay |= MAX_ADD_DELAY << shift; -+ return 128 * (target_off - MAX_ADD_DELAY); -+ } else if (target_off < 0) { -+ *add_delay &= ~(3 << shift); -+ *add_delay |= 0 << shift; -+ return 128 * target_off; -+ } else { -+ *add_delay &= ~(3 << shift); -+ *add_delay |= target_off << shift; -+ return 0; -+ } -+} -+ -+static enum raminit_status train_jedec_write_leveling_cleanup(struct sysinfo *ctrl) -+{ -+ const struct reut_box reut_addr = { -+ .col = { -+ .start = 0, -+ .stop = 1023, -+ .inc_val = 1, -+ }, -+ }; -+ const struct wdb_pat wdb_pattern = { -+ .start_ptr = 0, -+ .stop_ptr = 3, -+ .inc_rate = 1, -+ .dq_pattern = BASIC_VA, -+ }; -+ const int8_t offsets[] = { 0, 1, -1, 2, 3 }; -+ const int8_t dq_offsets[] = { 0, -10, 10, -5, 5, -15, 15 }; -+ const uint8_t dq_offset_max = ARRAY_SIZE(dq_offsets); -+ -+ /* Set LFSR seeds to be sequential */ -+ program_wdb_lfsr(ctrl, true); -+ setup_io_test( -+ ctrl, -+ ctrl->chanmap, -+ PAT_WR_RD, -+ 2, -+ 4, -+ &reut_addr, -+ NSOE, -+ &wdb_pattern, -+ 0, -+ 0); -+ -+ const union reut_pat_wdb_cl_mux_cfg_reg reut_wdb_cl_mux_cfg = { -+ .mux_0_control = REUT_MUX_BTBUFFER, -+ .mux_1_control = REUT_MUX_BTBUFFER, -+ .mux_2_control = REUT_MUX_BTBUFFER, -+ .ecc_data_source_sel = 1, -+ }; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_CFG(channel), reut_wdb_cl_mux_cfg.raw); -+ } -+ -+ int8_t byte_off[NUM_CHANNELS][NUM_LANES] = { 0 }; -+ uint32_t add_delay[NUM_CHANNELS] = { 0 }; -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ bool invert = false; -+ const uint16_t valid_byte_mask = BIT(ctrl->lanes) - 1; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ uint8_t chanmask = 0; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) -+ chanmask |= select_reut_ranks(ctrl, channel, BIT(rank)); -+ -+ if (!chanmask) -+ continue; -+ -+ printk(BIOS_DEBUG, "Rank %u\n", rank); -+ printk(JWLC_PLOT, "Channel"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(JWLC_PLOT, "\t\t%u\t", channel); -+ } -+ printk(JWLC_PLOT, "\nByte\t"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(JWLC_PLOT, "\t"); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(JWLC_PLOT, "%u ", byte); -+ } -+ printk(JWLC_PLOT, "\nDelay DqOffset"); -+ bool done = false; -+ int8_t byte_sum[NUM_CHANNELS] = { 0 }; -+ uint16_t byte_pass[NUM_CHANNELS] = { 0 }; -+ for (uint8_t off = 0; off < ARRAY_SIZE(offsets); off++) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ const int16_t global_byte_off = -+ set_add_delay(&add_delay[channel], rank, offsets[off]); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ update_txt(ctrl, channel, rank, byte, TXT_DQDQS_OFF, -+ global_byte_off); -+ } -+ mchbar_write32(SC_WR_ADD_DELAY_ch(channel), -+ add_delay[channel]); -+ } -+ /* Reset FIFOs and DRAM DLL (Micron workaround) */ -+ if (!ctrl->lpddr) { -+ io_reset(); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ reset_dram_dll(ctrl, channel, rank); -+ } -+ udelay(1); -+ } -+ for (uint8_t dq_offset = 0; dq_offset < dq_offset_max; dq_offset++) { -+ printk(JWLC_PLOT, "\n% 3d\t% 3d", -+ offsets[off], dq_offsets[dq_offset]); -+ change_1d_margin_multicast( -+ ctrl, -+ WrT, -+ dq_offsets[dq_offset], -+ rank, -+ false, -+ REG_FILE_USE_RANK); -+ -+ /* -+ * Re-program the WDB pattern. Change the pattern -+ * for the next test to avoid false pass issues. -+ */ -+ program_wdb_pattern(ctrl, invert); -+ invert = !invert; -+ run_io_test(ctrl, chanmask, BASIC_VA, true); -+ done = true; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(JWLC_PLOT, "\t"); -+ uint16_t result = get_byte_group_errors(channel); -+ result &= valid_byte_mask; -+ -+ /* Skip bytes that have failed or already passed */ -+ const uint16_t skip_me = result | byte_pass[channel]; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const bool pass = result & BIT(byte); -+ printk(JWLC_PLOT, pass ? "# " : ". "); -+ if (skip_me & BIT(byte)) -+ continue; -+ -+ byte_pass[channel] |= BIT(byte); -+ byte_off[channel][byte] = offsets[off]; -+ byte_sum[channel] += offsets[off]; -+ } -+ if (byte_pass[channel] != valid_byte_mask) -+ done = false; -+ } -+ if (done) -+ break; -+ } -+ if (done) -+ break; -+ } -+ printk(BIOS_DEBUG, "\n\n"); -+ if (!done) { -+ printk(BIOS_ERR, "JWLC: Could not find a pass for all bytes\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_ERR, "Channel %u, rank %u fail:", channel, rank); -+ const uint16_t passing_mask = byte_pass[channel]; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ if (BIT(byte) & passing_mask) -+ continue; -+ -+ printk(BIOS_ERR, " %u", byte); -+ } -+ printk(BIOS_ERR, "\n"); -+ } -+ status = RAMINIT_STATUS_JWRL_FAILURE; -+ break; -+ } -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ /* Refine target offset to make sure it works for all bytes */ -+ int8_t target_off = DIV_ROUND_CLOSEST(byte_sum[channel], ctrl->lanes); -+ int16_t global_byte_off = 0; -+ uint8_t all_good_loops = 0; -+ bool all_good = 0; -+ while (!all_good) { -+ global_byte_off = -+ set_add_delay(&add_delay[channel], rank, target_off); -+ all_good = true; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ int16_t local_offset; -+ local_offset = byte_off[channel][byte] - target_off; -+ local_offset = local_offset * 128 + global_byte_off; -+ const uint16_t tx_dq = ctrl->tx_dq[channel][rank][byte]; -+ if (tx_dq + local_offset >= (512 - 64)) { -+ all_good = false; -+ all_good_loops++; -+ target_off++; -+ break; -+ } -+ const uint16_t txdqs = ctrl->tx_dq[channel][rank][byte]; -+ if (txdqs + local_offset < 96) { -+ all_good = false; -+ all_good_loops++; -+ target_off--; -+ break; -+ } -+ } -+ /* Avoid an infinite loop */ -+ if (all_good_loops > 3) -+ break; -+ } -+ if (!all_good) { -+ printk(BIOS_ERR, "JWLC: Target offset refining failed\n"); -+ status = RAMINIT_STATUS_JWRL_FAILURE; -+ break; -+ } -+ printk(BIOS_DEBUG, "C%u.R%u: Offset\tFinalEdge\n", channel, rank); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ int16_t local_offset; -+ local_offset = byte_off[channel][byte] - target_off; -+ local_offset = local_offset * 128 + global_byte_off; -+ ctrl->tx_dq[channel][rank][byte] += local_offset; -+ ctrl->txdqs[channel][rank][byte] += local_offset; -+ update_txt(ctrl, channel, rank, byte, TXT_RESTORE, 0); -+ printk(BIOS_DEBUG, " B%u: %d\t%d\n", byte, local_offset, -+ ctrl->txdqs[channel][rank][byte]); -+ } -+ mchbar_write32(SC_WR_ADD_DELAY_ch(channel), add_delay[channel]); -+ if (!ctrl->lpddr) { -+ reset_dram_dll(ctrl, channel, rank); -+ udelay(1); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ -+ /* Restore WDB after test */ -+ write_wdb_va_pat(ctrl, 0, BASIC_VA_PAT_SPREAD_8, 8, 0); -+ program_wdb_lfsr(ctrl, false); -+ mchbar_write32(DDR_DATA_OFFSET_TRAIN, 0); -+ -+ /** TODO: Do full JEDEC init instead? **/ -+ io_reset(); -+ return status; -+} -+ -+static enum raminit_status verify_wl_width(const int32_t lwidth) -+{ -+ if (lwidth <= 32) { -+ /* Check if width is valid */ -+ printk(BIOS_ERR, "WrLevel: Width region (%d) too small\n", lwidth); -+ return RAMINIT_STATUS_JWRL_FAILURE; -+ } -+ if (lwidth >= 96) { -+ /* Since we're calibrating a phase, a too large region is a problem */ -+ printk(BIOS_ERR, "WrLevel: Width region (%d) too large\n", lwidth); -+ return RAMINIT_STATUS_JWRL_FAILURE; -+ } -+ return 0; -+} -+ -+enum raminit_status train_jedec_write_leveling(struct sysinfo *ctrl) -+{ -+ /* -+ * Enabling WL mode causes DQS to toggle for 1024 QCLK. -+ * Wait for this to stop. Round up to nearest microsecond. -+ */ -+ const bool wl_long_delay = ctrl->lpddr; -+ const uint32_t dqs_toggle_time = wl_long_delay ? 2048 : 1024; -+ const uint32_t wait_time_us = DIV_ROUND_UP(ctrl->qclkps * dqs_toggle_time, 1000 * 1000); -+ -+ const uint16_t wl_start = 192; -+ const uint16_t wl_stop = 192 + 128; -+ const uint16_t wl_step = 2; -+ -+ /* Do not use cached MR values */ -+ const bool save_restore_mrs = ctrl->restore_mrs; -+ ctrl->restore_mrs = 0; -+ -+ /* Propagate delay values (without a write command) */ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ /* Propagate delay values from rank 0 to prevent assertion failures in RTL */ -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ data_control_0.read_rf_rd = 0; -+ data_control_0.read_rf_wr = 1; -+ data_control_0.read_rf_rank = 0; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ union ddr_data_control_2_reg data_control_2 = { -+ .raw = ctrl->dq_control_2[channel][byte], -+ }; -+ data_control_2.force_bias_on = 1; -+ data_control_2.force_rx_on = 0; -+ data_control_2.wl_long_delay = wl_long_delay; -+ mchbar_write32(DQ_CONTROL_2(channel, byte), data_control_2.raw); -+ } -+ } -+ -+ if (ctrl->lpddr) -+ die("%s: Missing LPDDR support\n", __func__); -+ -+ if (!ctrl->lpddr) -+ ddr3_program_mr1(ctrl, 0, 1); -+ -+ enum raminit_status status = RAMINIT_STATUS_SUCCESS; -+ struct phase_train_data region_data[NUM_CHANNELS][NUM_LANES] = { 0 }; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!does_rank_exist(ctrl, rank)) -+ continue; -+ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ /** TODO: Differs for LPDDR **/ -+ uint16_t mr1reg = ctrl->mr1[channel][rank]; -+ mr1reg &= ~MR1_QOFF_ENABLE; -+ mr1reg |= MR1_WL_ENABLE; -+ if (is_hsw_ult()) { -+ mr1reg &= ~RTTNOM_MASK; -+ mr1reg |= encode_ddr3_rttnom(120); -+ } else if (ctrl->dpc[channel] == 2) { -+ mr1reg &= ~RTTNOM_MASK; -+ mr1reg |= encode_ddr3_rttnom(60); -+ } -+ reut_issue_mrs(ctrl, channel, BIT(rank), 1, mr1reg); -+ -+ /* Assert ODT for myself */ -+ uint8_t odt_matrix = BIT(rank); -+ if (ctrl->dpc[channel] == 2) { -+ /* Assert ODT for non-target DIMM */ -+ const uint8_t other_dimm = ((rank + 2) / 2) & 1; -+ odt_matrix |= BIT(2 * other_dimm); -+ } -+ -+ union reut_misc_odt_ctrl_reg reut_misc_odt_ctrl = { -+ .raw = 0, -+ }; -+ if (ctrl->lpddr) { -+ /* Only one ODT pin for ULT */ -+ reut_misc_odt_ctrl.odt_on = 1; -+ reut_misc_odt_ctrl.odt_override = 1; -+ } else if (!is_hsw_ult()) { -+ reut_misc_odt_ctrl.odt_on = odt_matrix; -+ reut_misc_odt_ctrl.odt_override = 0xf; -+ } -+ mchbar_write32(REUT_ch_MISC_ODT_CTRL(channel), reut_misc_odt_ctrl.raw); -+ } -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ /* -+ * Enable write leveling mode in DDR and propagate delay -+ * values (without a write command). Stay in WL mode. -+ */ -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ data_control_0.wl_training_mode = 1; -+ data_control_0.tx_pi_on = 1; -+ data_control_0.read_rf_rd = 0; -+ data_control_0.read_rf_wr = 1; -+ data_control_0.read_rf_rank = rank; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ } -+ printk(BIOS_DEBUG, "\nRank %u\n", rank); -+ printk(JWRL_PLOT, "Channel\t"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(JWRL_PLOT, "%u", channel); -+ if (channel > 0) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(JWRL_PLOT, "\t"); -+ } -+ printk(JWRL_PLOT, "\nByte"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ printk(JWRL_PLOT, "\t%u", byte); -+ } -+ printk(JWRL_PLOT, "\nWlDelay"); -+ for (uint16_t wl_delay = wl_start; wl_delay < wl_stop; wl_delay += wl_step) { -+ printk(JWRL_PLOT, "\n %3u:", wl_delay); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ update_txt(ctrl, channel, rank, byte, TXT_TXDQS, -+ wl_delay); -+ } -+ } -+ /* Wait for the first burst to finish */ -+ if (wl_delay == wl_start) -+ udelay(wait_time_us); -+ -+ io_reset(); -+ udelay(wait_time_us); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const uint32_t feedback = -+ get_data_train_feedback(channel, byte); -+ const bool pass = (feedback & 0x1ff) >= 16; -+ printk(JWRL_PLOT, "\t%c%u", pass ? '.' : '#', feedback); -+ phase_record_pass( -+ ®ion_data[channel][byte], -+ pass, -+ wl_delay, -+ wl_start, -+ wl_step); -+ } -+ } -+ } -+ printk(JWRL_PLOT, "\n"); -+ printk(BIOS_DEBUG, "\n\tInitSt\tInitEn\tCurrSt\tCurrEn\tLargSt\tLargEn\n"); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ printk(BIOS_DEBUG, "C%u\n", channel); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ struct phase_train_data *data = ®ion_data[channel][byte]; -+ -+ phase_append_initial_to_current(data, wl_start, wl_step); -+ printk(BIOS_DEBUG, " B%u:\t%d\t%d\t%d\t%d\t%d\t%d\n", -+ byte, -+ data->initial.start, -+ data->initial.end, -+ data->current.start, -+ data->current.end, -+ data->largest.start, -+ data->largest.end); -+ } -+ } -+ -+ /* -+ * Clean up after test. Very coarsely adjust for -+ * any cycle errors. Program values for TxDQS. -+ */ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ /* Clear ODT before MRS (JEDEC spec) */ -+ mchbar_write32(REUT_ch_MISC_ODT_CTRL(channel), 0); -+ -+ /** TODO: Differs for LPDDR **/ -+ const uint16_t mr1reg = ctrl->mr1[channel][rank] | MR1_QOFF_ENABLE; -+ reut_issue_mrs(ctrl, channel, BIT(rank), 1, mr1reg); -+ -+ printk(BIOS_DEBUG, "\nC%u.R%u: LftEdge Width\n", channel, rank); -+ const bool rank_x16 = ctrl->dimms[channel][rank / 2].data.width == 16; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ struct phase_train_data *data = ®ion_data[channel][byte]; -+ const int32_t lwidth = range_width(data->largest); -+ int32_t tx_start = data->largest.start; -+ printk(BIOS_DEBUG, " B%u: %d\t%d\n", byte, tx_start, lwidth); -+ status = verify_wl_width(lwidth); -+ if (status) { -+ printk(BIOS_ERR, -+ "WrLevel problems on channel %u, byte %u\n", -+ channel, byte); -+ goto clean_up; -+ } -+ -+ /* Align byte pairs if DIMM is x16 */ -+ if (rank_x16 && (byte & 1)) { -+ const struct phase_train_data *const ref_data = -+ ®ion_data[channel][byte - 1]; -+ -+ if (tx_start > ref_data->largest.start + 64) -+ tx_start -= 128; -+ -+ if (tx_start < ref_data->largest.start - 64) -+ tx_start += 128; -+ } -+ -+ /* Fix for b4618067 - need to add 1 QCLK to DQS PI */ -+ if (is_hsw_ult()) -+ tx_start += 64; -+ -+ assert(tx_start >= 0); -+ ctrl->txdqs[channel][rank][byte] = tx_start; -+ ctrl->tx_dq[channel][rank][byte] = tx_start + 32; -+ update_txt(ctrl, channel, rank, byte, TXT_RESTORE, 0); -+ } -+ } -+ printk(BIOS_DEBUG, "\n"); -+ } -+ -+clean_up: -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), ctrl->dq_control_0[channel]); -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ mchbar_write32(DQ_CONTROL_2(channel, byte), -+ ctrl->dq_control_2[channel][byte]); -+ } -+ } -+ if (!ctrl->lpddr) -+ ddr3_program_mr1(ctrl, 0, 0); -+ -+ ctrl->restore_mrs = save_restore_mrs; -+ -+ if (status) -+ return status; -+ -+ /** TODO: If this step fails and dec_wrd is set, clear it and try again **/ -+ return train_jedec_write_leveling_cleanup(ctrl); -+} -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 6a31d3a32c..7c0b5a49de 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -121,6 +121,8 @@ - - #define REUT_ch_ERR_DATA_MASK(ch) _MCMAIN_C(0x40d8, ch) - -+#define REUT_ch_ERR_MISC_STATUS(ch) _MCMAIN_C(0x40e8, ch) -+ - #define REUT_ch_MISC_CKE_CTRL(ch) _MCMAIN_C(0x4190, ch) - #define REUT_ch_MISC_ODT_CTRL(ch) _MCMAIN_C(0x4194, ch) - #define REUT_ch_MISC_PAT_CADB_CTRL(ch) _MCMAIN_C(0x4198, ch) --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0025-haswell-NRI-Add-final-raminit-steps.patch b/resources/coreboot/haswell/patches/0025-haswell-NRI-Add-final-raminit-steps.patch deleted file mode 100644 index d15ea5d1..00000000 --- a/resources/coreboot/haswell/patches/0025-haswell-NRI-Add-final-raminit-steps.patch +++ /dev/null @@ -1,570 +0,0 @@ -From d041b14f3af69db5f4598c84e3f53c9cd572ffb5 Mon Sep 17 00:00:00 2001 -From: Angel Pons <th3fanbus@gmail.com> -Date: Sun, 8 May 2022 14:29:05 +0200 -Subject: [PATCH 25/26] haswell NRI: Add final raminit steps - -Implement the remaining raminit steps. Although many training steps are -missing, this is enough to boot on the Asrock B85M Pro4. - -Change-Id: I94f3b65f0218d4da4fda4d84592dfd91f77f8f21 -Signed-off-by: Angel Pons <th3fanbus@gmail.com> ---- - src/northbridge/intel/haswell/Kconfig | 4 +- - .../intel/haswell/native_raminit/Makefile.inc | 1 + - .../haswell/native_raminit/activate_mc.c | 388 ++++++++++++++++++ - .../haswell/native_raminit/raminit_main.c | 5 +- - .../haswell/native_raminit/raminit_native.c | 5 +- - .../haswell/native_raminit/raminit_native.h | 2 + - .../haswell/native_raminit/reg_structs.h | 12 + - .../intel/haswell/registers/mchbar.h | 7 + - 8 files changed, 416 insertions(+), 8 deletions(-) - create mode 100644 src/northbridge/intel/haswell/native_raminit/activate_mc.c - -diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig -index b659bf6d98..61f2a3c64c 100644 ---- a/src/northbridge/intel/haswell/Kconfig -+++ b/src/northbridge/intel/haswell/Kconfig -@@ -10,12 +10,12 @@ config NORTHBRIDGE_INTEL_HASWELL - if NORTHBRIDGE_INTEL_HASWELL - - config USE_NATIVE_RAMINIT -- bool "[NOT WORKING] Use native raminit" -+ bool "[NOT COMPLETE] Use native raminit" - default n - select HAVE_DEBUG_RAM_SETUP - help - Select if you want to use coreboot implementation of raminit rather than -- MRC.bin. Currently incomplete and does not boot. -+ MRC.bin. Currently incomplete and does not support S3 resume. - - config HASWELL_VBOOT_IN_BOOTBLOCK - depends on VBOOT -diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -index 40c2f5e014..d97da72890 100644 ---- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc -+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc -@@ -1,5 +1,6 @@ - ## SPDX-License-Identifier: GPL-2.0-or-later - -+romstage-y += activate_mc.c - romstage-y += change_margin.c - romstage-y += configure_mc.c - romstage-y += ddr3.c -diff --git a/src/northbridge/intel/haswell/native_raminit/activate_mc.c b/src/northbridge/intel/haswell/native_raminit/activate_mc.c -new file mode 100644 -index 0000000000..78a7ad27ef ---- /dev/null -+++ b/src/northbridge/intel/haswell/native_raminit/activate_mc.c -@@ -0,0 +1,388 @@ -+/* SPDX-License-Identifier: GPL-2.0-or-later */ -+ -+#include <console/console.h> -+#include <delay.h> -+#include <device/pci_ops.h> -+#include <northbridge/intel/haswell/haswell.h> -+#include <timer.h> -+#include <types.h> -+ -+#include "raminit_native.h" -+ -+static void update_internal_clocks_on(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ bool clocks_on = false; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ const union ddr_data_control_1_reg data_control_1 = { -+ .raw = ctrl->dq_control_1[channel][byte], -+ }; -+ const int8_t o_on = data_control_1.odt_delay; -+ const int8_t s_on = data_control_1.sense_amp_delay; -+ const int8_t o_off = data_control_1.odt_duration; -+ const int8_t s_off = data_control_1.sense_amp_duration; -+ if (o_on + o_off >= 7 || s_on + s_off >= 7) { -+ clocks_on = true; -+ break; -+ } -+ } -+ union ddr_data_control_0_reg data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ data_control_0.internal_clocks_on = clocks_on; -+ ctrl->dq_control_0[channel] = data_control_0.raw; -+ mchbar_write32(DDR_DATA_ch_CONTROL_0(channel), data_control_0.raw); -+ } -+} -+ -+/* Switch off unused segments of the SDLL to save power */ -+static void update_sdll_length(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ uint8_t max_pi = 0; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ const uint8_t rx_dqs_p = ctrl->rxdqsp[channel][rank][byte]; -+ const uint8_t rx_dqs_n = ctrl->rxdqsn[channel][rank][byte]; -+ max_pi = MAX(max_pi, MAX(rx_dqs_p, rx_dqs_n)); -+ } -+ /* Update SDLL length for power savings */ -+ union ddr_data_control_1_reg data_control_1 = { -+ .raw = ctrl->dq_control_1[channel][byte], -+ }; -+ /* Calculate which segments to turn off */ -+ data_control_1.sdll_segment_disable = (7 - (max_pi >> 3)) & ~1; -+ ctrl->dq_control_1[channel][byte] = data_control_1.raw; -+ mchbar_write32(DQ_CONTROL_1(channel, byte), data_control_1.raw); -+ } -+ } -+} -+ -+static void set_rx_clk_stg_num(struct sysinfo *ctrl, const uint8_t channel) -+{ -+ const uint8_t rcven_drift = ctrl->lpddr ? DIV_ROUND_UP(tDQSCK_DRIFT, ctrl->qclkps) : 1; -+ uint8_t max_rcven = 0; -+ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) { -+ if (!rank_in_ch(ctrl, rank, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) -+ max_rcven = MAX(max_rcven, ctrl->rcven[channel][rank][byte] / 64); -+ } -+ const union ddr_data_control_1_reg ddr_data_control_1 = { -+ .raw = ctrl->dq_control_1[channel][0], -+ }; -+ const bool lpddr_long_odt = ddr_data_control_1.lpddr_long_odt_en; -+ const uint8_t rcven_turnoff = max_rcven + 18 + 2 * rcven_drift + lpddr_long_odt; -+ const union ddr_data_control_0_reg ddr_data_control_0 = { -+ .raw = ctrl->dq_control_0[channel], -+ }; -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ union ddr_data_control_2_reg ddr_data_control_2 = { -+ .raw = ctrl->dq_control_2[channel][byte], -+ }; -+ if (ddr_data_control_0.odt_samp_extend_en) { -+ if (ddr_data_control_2.rx_clk_stg_num < rcven_turnoff) -+ ddr_data_control_2.rx_clk_stg_num = rcven_turnoff; -+ } else { -+ const int8_t o_on = ddr_data_control_1.odt_delay; -+ const int8_t o_off = ddr_data_control_1.odt_duration; -+ ddr_data_control_2.rx_clk_stg_num = MAX(17, o_on + o_off + 14); -+ } -+ ctrl->dq_control_2[channel][byte] = ddr_data_control_2.raw; -+ mchbar_write32(DQ_CONTROL_2(channel, byte), ddr_data_control_2.raw); -+ } -+} -+ -+#define SELF_REFRESH_IDLE_COUNT 0x200 -+ -+static void enter_sr(void) -+{ -+ mchbar_write32(PM_SREF_CONFIG, SELF_REFRESH_IDLE_COUNT | BIT(16)); -+ udelay(1); -+} -+ -+enum power_down_mode { -+ PDM_NO_PD = 0, -+ PDM_APD = 1, -+ PDM_PPD = 2, -+ PDM_PPD_DLL_OFF = 6, -+}; -+ -+static void power_down_config(struct sysinfo *ctrl) -+{ -+ const enum power_down_mode pd_mode = ctrl->lpddr ? PDM_PPD : PDM_PPD_DLL_OFF; -+ mchbar_write32(PM_PDWN_CONFIG, pd_mode << 12 | 0x40); -+} -+ -+static void train_power_modes_post(struct sysinfo *ctrl) -+{ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ /* Adjust tCPDED and tPRPDEN */ -+ if (ctrl->mem_clock_mhz >= 933) -+ ctrl->tc_bankrank_d[channel].tCPDED = 2; -+ -+ if (ctrl->mem_clock_mhz >= 1066) -+ ctrl->tc_bankrank_d[channel].tPRPDEN = 2; -+ -+ mchbar_write32(TC_BANK_RANK_D_ch(channel), ctrl->tc_bankrank_d[channel].raw); -+ } -+ power_down_config(ctrl); -+ mchbar_write32(MCDECS_CBIT, BIT(30)); /* dis_msg_clk_gate */ -+} -+ -+static uint8_t compute_burst_end_odt_delay(const struct sysinfo *const ctrl) -+{ -+ /* Must be disabled for LPDDR */ -+ if (ctrl->lpddr) -+ return 0; -+ -+ const uint8_t beod = MIN(7, DIV_ROUND_CLOSEST(14300 * 20 / 100, ctrl->qclkps)); -+ if (beod < 3) -+ return 0; -+ -+ if (beod < 4) -+ return 4; -+ -+ return beod; -+} -+ -+static void program_burst_end_odt_delay(struct sysinfo *ctrl) -+{ -+ /* Program burst_end_odt_delay - it should be zero during training steps */ -+ const uint8_t beod = compute_burst_end_odt_delay(ctrl); -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ for (uint8_t byte = 0; byte < ctrl->lanes; byte++) { -+ union ddr_data_control_1_reg ddr_data_control_1 = { -+ .raw = ctrl->dq_control_1[channel][byte], -+ }; -+ ddr_data_control_1.burst_end_odt_delay = beod; -+ ctrl->dq_control_1[channel][byte] = ddr_data_control_1.raw; -+ mchbar_write32(DQ_CONTROL_1(channel, byte), ddr_data_control_1.raw); -+ } -+ } -+} -+ -+/* -+ * Return a random value to use for scrambler seeds. Try to use RDRAND -+ * first and fall back to hardcoded values if RDRAND does not succeed. -+ */ -+static uint16_t get_random_number(const uint8_t channel) -+{ -+ /* The RDRAND instruction is only available 100k cycles after reset */ -+ for (size_t i = 0; i < 100000; i++) { -+ uint32_t status; -+ uint32_t random; -+ /** TODO: Clean up asm **/ -+ __asm__ __volatile__( -+ "\n\t .byte 0x0F, 0xC7, 0xF0" -+ "\n\t movl %%eax, %0" -+ "\n\t pushf" -+ "\n\t pop %%eax" -+ "\n\t movl %%eax, %1" -+ : "=m"(random), -+ "=m"(status) -+ : /* No inputs */ -+ : "eax", "cc"); -+ -+ /* Only consider non-zero random values as valid */ -+ if (status & 1 && random) -+ return random; -+ } -+ -+ /* https://xkcd.com/221 */ -+ if (channel) -+ return 0x28f4; -+ else -+ return 0x893e; -+} -+ -+/* Work around "error: 'typeof' applied to a bit-field" */ -+static inline uint32_t max(const uint32_t a, const uint32_t b) -+{ -+ return MAX(a, b); -+} -+ -+enum raminit_status activate_mc(struct sysinfo *ctrl) -+{ -+ const bool enable_scrambling = true; -+ const bool enable_cmd_tristate = true; -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ if (enable_scrambling && ctrl->stepping < STEPPING_C0) { -+ /* Make sure tRDRD_(sr, dr, dd) are at least 6 for scrambler W/A */ -+ union tc_bank_rank_a_reg tc_bank_rank_a = { -+ .raw = mchbar_read32(TC_BANK_RANK_A_ch(channel)), -+ }; -+ tc_bank_rank_a.tRDRD_sr = max(tc_bank_rank_a.tRDRD_sr, 6); -+ tc_bank_rank_a.tRDRD_dr = max(tc_bank_rank_a.tRDRD_dr, 6); -+ tc_bank_rank_a.tRDRD_dd = max(tc_bank_rank_a.tRDRD_dd, 6); -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), tc_bank_rank_a.raw); -+ } -+ if (enable_scrambling) { -+ const union ddr_scramble_reg ddr_scramble = { -+ .scram_key = get_random_number(channel), -+ .scram_en = 1, -+ }; -+ mchbar_write32(DDR_SCRAMBLE_ch(channel), ddr_scramble.raw); -+ } -+ if (ctrl->tCMD == 1) { -+ /* If we are in 1N mode, enable and set command rate limit to 3 */ -+ union mcmain_command_rate_limit_reg cmd_rate_limit = { -+ .raw = mchbar_read32(COMMAND_RATE_LIMIT_ch(channel)), -+ }; -+ cmd_rate_limit.enable_cmd_limit = 1; -+ cmd_rate_limit.cmd_rate_limit = 3; -+ mchbar_write32(COMMAND_RATE_LIMIT_ch(channel), cmd_rate_limit.raw); -+ } -+ if (enable_cmd_tristate) { -+ /* Enable command tri-state at the end of training */ -+ union tc_bank_rank_a_reg tc_bank_rank_a = { -+ .raw = mchbar_read32(TC_BANK_RANK_A_ch(channel)), -+ }; -+ tc_bank_rank_a.cmd_3st_dis = 0; -+ mchbar_write32(TC_BANK_RANK_A_ch(channel), tc_bank_rank_a.raw); -+ } -+ /* Set MC to normal mode and clean the ODT and CKE */ -+ mchbar_write32(REUT_ch_SEQ_CFG(channel), REUT_MODE_NOP << 12); -+ /* Set again the rank occupancy */ -+ mchbar_write8(MC_INIT_STATE_ch(channel), ctrl->rankmap[channel]); -+ if (ctrl->is_ecc) { -+ /* Enable ECC I/O and logic */ -+ union mad_dimm_reg mad_dimm = { -+ .raw = mchbar_read32(MAD_DIMM(channel)), -+ }; -+ mad_dimm.ecc_mode = 3; -+ mchbar_write32(MAD_DIMM(channel), mad_dimm.raw); -+ } -+ } -+ -+ if (!is_hsw_ult()) -+ update_internal_clocks_on(ctrl); -+ -+ update_sdll_length(ctrl); -+ -+ program_burst_end_odt_delay(ctrl); -+ -+ if (is_hsw_ult()) { -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ if (!does_ch_exist(ctrl, channel)) -+ continue; -+ -+ set_rx_clk_stg_num(ctrl, channel); -+ } -+ /** TODO: Program DDRPL_CR_DDR_TX_DELAY if Memory Trace is enabled **/ -+ } -+ -+ /* Enable periodic COMP */ -+ mchbar_write32(M_COMP, (union pcu_comp_reg) { -+ .comp_interval = COMP_INT, -+ }.raw); -+ -+ /* Enable the power mode before PCU starts working */ -+ train_power_modes_post(ctrl); -+ -+ /* Set idle timer and self refresh enable bits */ -+ enter_sr(); -+ -+ /** FIXME: Do not hardcode power weights and RAPL settings **/ -+ mchbar_write32(0x5888, 0x00000d0d); -+ mchbar_write32(0x5884, 0x00000004); /* 58.2 pJ */ -+ -+ mchbar_write32(0x58e0, 0); -+ mchbar_write32(0x58e4, 0); -+ -+ mchbar_write32(0x5890, 0xffff); -+ mchbar_write32(0x5894, 0xffff); -+ mchbar_write32(0x5898, 0xffff); -+ mchbar_write32(0x589c, 0xffff); -+ mchbar_write32(0x58d0, 0xffff); -+ mchbar_write32(0x58d4, 0xffff); -+ mchbar_write32(0x58d8, 0xffff); -+ mchbar_write32(0x58dc, 0xffff); -+ -+ /* Overwrite thermal parameters */ -+ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) { -+ mchbar_write32(_MCMAIN_C(0x42ec, channel), 0x0000000f); -+ mchbar_write32(_MCMAIN_C(0x42f0, channel), 0x00000009); -+ mchbar_write32(_MCMAIN_C(0x42f4, channel), 0x00000093); -+ mchbar_write32(_MCMAIN_C(0x42f8, channel), 0x00000087); -+ mchbar_write32(_MCMAIN_C(0x42fc, channel), 0x000000de); -+ -+ /** TODO: Differs for LPDDR **/ -+ mchbar_write32(PM_THRT_CKE_MIN_ch(channel), 0x30); -+ } -+ mchbar_write32(PCU_DDR_PTM_CTL, 0x40); -+ return RAMINIT_STATUS_SUCCESS; -+} -+ -+static void mc_lockdown(void) -+{ -+ /* Lock memory controller registers */ -+ mchbar_write32(MC_LOCK, 0x8f); -+ -+ /* MPCOHTRK_GDXC_OCLA_ADDRESS_HI_LOCK is set when programming the memory map */ -+ -+ /* Lock memory map registers */ -+ pci_or_config16(HOST_BRIDGE, GGC, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, DPR, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, MESEG_LIMIT, 1 << 10); -+ pci_or_config32(HOST_BRIDGE, REMAPBASE, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, REMAPLIMIT, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, TOM, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, TOUUD, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, BDSM, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, BGSM, 1 << 0); -+ pci_or_config32(HOST_BRIDGE, TOLUD, 1 << 0); -+} -+ -+enum raminit_status raminit_done(struct sysinfo *ctrl) -+{ -+ union mc_init_state_g_reg mc_init_state_g = { -+ .raw = mchbar_read32(MC_INIT_STATE_G), -+ }; -+ mc_init_state_g.refresh_enable = 1; -+ mc_init_state_g.pu_mrc_done = 1; -+ mc_init_state_g.mrc_done = 1; -+ mchbar_write32(MC_INIT_STATE_G, mc_init_state_g.raw); -+ -+ /* Lock the memory controller to enable normal operation */ -+ mc_lockdown(); -+ -+ /* Poll for mc_init_done_ack to make sure memory initialization is complete */ -+ printk(BIOS_DEBUG, "Waiting for mc_init_done acknowledgement... "); -+ -+ struct stopwatch timer; -+ stopwatch_init_msecs_expire(&timer, 2000); -+ do { -+ mc_init_state_g.raw = mchbar_read32(MC_INIT_STATE_G); -+ -+ /* DRAM will NOT work without the acknowledgement. There is no hope. */ -+ if (stopwatch_expired(&timer)) -+ die("\nTimed out waiting for mc_init_done acknowledgement\n"); -+ -+ } while (mc_init_state_g.mc_init_done_ack == 0); -+ printk(BIOS_DEBUG, "DONE!\n"); -+ -+ /* Provide some data for the graphics driver. Yes, it's hardcoded. */ -+ mchbar_write32(SSKPD + 0, 0x05a2404f); -+ mchbar_write32(SSKPD + 4, 0x140000a0); -+ return RAMINIT_STATUS_SUCCESS; -+} -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_main.c b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -index 1ff23be615..3a65fb01fb 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_main.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_main.c -@@ -63,6 +63,8 @@ static const struct task_entry cold_boot[] = { - { train_receive_enable, true, "RCVET", }, - { train_read_mpr, true, "RDMPRT", }, - { train_jedec_write_leveling, true, "JWRL", }, -+ { activate_mc, true, "ACTIVATE", }, -+ { raminit_done, true, "RAMINITEND", }, - }; - - /* Return a generic stepping value to make stepping checks simpler */ -@@ -143,7 +145,4 @@ void raminit_main(const enum raminit_boot_mode bootmode) - - if (status != RAMINIT_STATUS_SUCCESS) - die("Memory initialization was met with utmost failure and misery\n"); -- -- /** TODO: Implement the required magic **/ -- die("NATIVE RAMINIT: More Magic (tm) required.\n"); - } -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.c b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -index bd9bc8e692..1ea729b23d 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.c -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.c -@@ -200,8 +200,6 @@ void perform_raminit(const int s3resume) - else - me_status = ME_INIT_STATUS_SUCCESS; - -- /** TODO: Remove this once raminit is implemented **/ -- me_status = ME_INIT_STATUS_ERROR; - intel_early_me_init_done(me_status); - } - -@@ -217,7 +215,8 @@ void perform_raminit(const int s3resume) - } - - /* Save training data on non-S3 resumes */ -- if (!s3resume) -+ /** TODO: Enable this once training data is populated **/ -+ if (0 && !s3resume) - save_mrc_data(&md); - - /** TODO: setup_sdram_meminfo **/ -diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -index 666b233c45..98e39cb76e 100644 ---- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h -+++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h -@@ -449,6 +449,8 @@ enum raminit_status do_jedec_init(struct sysinfo *ctrl); - enum raminit_status train_receive_enable(struct sysinfo *ctrl); - enum raminit_status train_read_mpr(struct sysinfo *ctrl); - enum raminit_status train_jedec_write_leveling(struct sysinfo *ctrl); -+enum raminit_status activate_mc(struct sysinfo *ctrl); -+enum raminit_status raminit_done(struct sysinfo *ctrl); - - void configure_timings(struct sysinfo *ctrl); - void configure_refresh(struct sysinfo *ctrl); -diff --git a/src/northbridge/intel/haswell/native_raminit/reg_structs.h b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -index a0e36ed082..0d9aaa1f7c 100644 ---- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h -+++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h -@@ -294,6 +294,18 @@ union ddr_cke_ctl_controls_reg { - uint32_t raw; - }; - -+union ddr_scramble_reg { -+ struct __packed { -+ uint32_t scram_en : 1; // Bits 0:0 -+ uint32_t scram_key : 16; // Bits 16:1 -+ uint32_t clk_gate_ab : 2; // Bits 18:17 -+ uint32_t clk_gate_c : 2; // Bits 20:19 -+ uint32_t en_dbi_ab : 1; // Bits 21:21 -+ uint32_t : 10; // Bits 31:17 -+ }; -+ uint32_t raw; -+}; -+ - union ddr_scram_misc_control_reg { - struct __packed { - uint32_t wl_wake_cycles : 2; // Bits 1:0 -diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h -index 7c0b5a49de..49a215aa71 100644 ---- a/src/northbridge/intel/haswell/registers/mchbar.h -+++ b/src/northbridge/intel/haswell/registers/mchbar.h -@@ -20,6 +20,7 @@ - - #define DDR_DATA_TRAIN_FEEDBACK(ch, byte) _DDRIO_C_R_B(0x0054, ch, 0, byte) - -+#define DQ_CONTROL_1(ch, byte) _DDRIO_C_R_B(0x0060, ch, 0, byte) - #define DQ_CONTROL_2(ch, byte) _DDRIO_C_R_B(0x0064, ch, 0, byte) - #define DDR_DATA_OFFSET_TRAIN_ch_b(ch, byte) _DDRIO_C_R_B(0x0070, ch, 0, byte) - #define DQ_CONTROL_0(ch, byte) _DDRIO_C_R_B(0x0074, ch, 0, byte) -@@ -147,6 +148,8 @@ - #define QCLK_ch_LDAT_SDAT(ch) _MCMAIN_C(0x42d4, ch) - #define QCLK_ch_LDAT_DATA_IN_x(ch, x) _MCMAIN_C_X(0x42dc, ch, x) /* x in 0 .. 1 */ - -+#define PM_THRT_CKE_MIN_ch(ch) _MCMAIN_C(0x4328, ch) -+ - #define REUT_GLOBAL_CTL 0x4800 - #define REUT_GLOBAL_ERR 0x4804 - -@@ -175,6 +178,8 @@ - - #define MCSCHEDS_DFT_MISC 0x4c30 - -+#define PM_PDWN_CONFIG 0x4cb0 -+ - #define REUT_ERR_DATA_STATUS 0x4ce0 - - #define REUT_MISC_CKE_CTRL 0x4d90 -@@ -186,8 +191,10 @@ - #define MAD_CHNL 0x5000 /* Address Decoder Channel Configuration */ - #define MAD_DIMM(ch) (0x5004 + (ch) * 4) - #define MAD_ZR 0x5014 -+#define MCDECS_CBIT 0x501c - #define MC_INIT_STATE_G 0x5030 - #define MRC_REVISION 0x5034 /* MRC Revision */ -+#define PM_SREF_CONFIG 0x5060 - - #define RCOMP_TIMER 0x5084 - --- -2.39.2 - diff --git a/resources/coreboot/haswell/patches/0026-Remove-warning-for-coreboot-images-built-without-a-p.patch b/resources/coreboot/haswell/patches/0026-Remove-warning-for-coreboot-images-built-without-a-p.patch deleted file mode 100644 index 547c6392..00000000 --- a/resources/coreboot/haswell/patches/0026-Remove-warning-for-coreboot-images-built-without-a-p.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 1ce4f118b024a6367382b46016781f30fe622e3e Mon Sep 17 00:00:00 2001 -From: Nicholas Chin <nic.c3.14@gmail.com> -Date: Fri, 12 May 2023 19:55:15 -0600 -Subject: [PATCH] Remove warning for coreboot images built without a payload - -I added this in upstream to prevent people from accidentally flashing -roms without a payload resulting in a no boot situation, but in -libreboot lbmk handles the payload and thus this warning always comes -up. This has caused confusion and concern so just patch it out. ---- - payloads/Makefile.inc | 13 +------------ - 1 file changed, 1 insertion(+), 12 deletions(-) - -diff --git a/payloads/Makefile.inc b/payloads/Makefile.inc -index e735443a76..4f1692a873 100644 ---- a/payloads/Makefile.inc -+++ b/payloads/Makefile.inc -@@ -49,16 +49,5 @@ distclean-payloads: - print-repo-info-payloads: - -$(foreach payload, $(PAYLOADS_LIST), $(MAKE) -C $(payload) print-repo-info 2>/dev/null; ) - --ifeq ($(CONFIG_PAYLOAD_NONE),y) --files_added:: warn_no_payload --endif -- --warn_no_payload: -- printf "\n\t** WARNING **\n" -- printf "coreboot has been built without a payload. Writing\n" -- printf "a coreboot image without a payload to your board's\n" -- printf "flash chip will result in a non-booting system. You\n" -- printf "can use cbfstool to add a payload to the image.\n\n" -- - .PHONY: force-payload coreinfo nvramcui --.PHONY: clean-payloads distclean-payloads print-repo-info-payloads warn_no_payload -+.PHONY: clean-payloads distclean-payloads print-repo-info-payloads --- -2.40.1 - diff --git a/resources/coreboot/haswell/patches/0027-coreboot-haswell-fix-acpica-downloads.patch b/resources/coreboot/haswell/patches/0027-coreboot-haswell-fix-acpica-downloads.patch deleted file mode 100644 index 292d60e9..00000000 --- a/resources/coreboot/haswell/patches/0027-coreboot-haswell-fix-acpica-downloads.patch +++ /dev/null @@ -1,30 +0,0 @@ -From 29c1116ebd5879568010a8386e4838294a78b408 Mon Sep 17 00:00:00 2001 -From: Leah Rowe <leah@libreboot.org> -Date: Sun, 16 Jul 2023 03:48:23 +0100 -Subject: [PATCH 1/1] coreboot/haswell: fix acpica downloads - -the upstream link died. i now host the relevant acpica -tarball myself, on libreboot rsync. this patch makes -coreboot crossgcc use that - -Signed-off-by: Leah Rowe <leah@libreboot.org> ---- - util/crossgcc/buildgcc | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc -index 3c4b10cc92..0c4262b7b1 100755 ---- a/util/crossgcc/buildgcc -+++ b/util/crossgcc/buildgcc -@@ -52,7 +52,7 @@ MPFR_ARCHIVE="https://ftpmirror.gnu.org/mpfr/mpfr-${MPFR_VERSION}.tar.xz" - MPC_ARCHIVE="https://ftpmirror.gnu.org/mpc/mpc-${MPC_VERSION}.tar.gz" - GCC_ARCHIVE="https://ftpmirror.gnu.org/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.xz" - BINUTILS_ARCHIVE="https://ftpmirror.gnu.org/binutils/binutils-${BINUTILS_VERSION}.tar.xz" --IASL_ARCHIVE="https://acpica.org/sites/acpica/files/acpica-unix2-${IASL_VERSION}.tar.gz" -+IASL_ARCHIVE="https://mirror.math.princeton.edu/pub/libreboot/misc/acpica/acpica-unix2-${IASL_VERSION}.tar.gz" - # CLANG toolchain archive locations - LLVM_ARCHIVE="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}/llvm-${CLANG_VERSION}.src.tar.xz" - CLANG_ARCHIVE="https://github.com/llvm/llvm-project/releases/download/llvmorg-${CLANG_VERSION}/clang-${CLANG_VERSION}.src.tar.xz" --- -2.40.1 - diff --git a/resources/coreboot/haswell/target.cfg b/resources/coreboot/haswell/target.cfg deleted file mode 100644 index f96c5fc2..00000000 --- a/resources/coreboot/haswell/target.cfg +++ /dev/null @@ -1,4 +0,0 @@ -tree="haswell" -romtype="normal" -rev="1411ecf6f0b2c7395bcb96b856dcfdddb1b0c81b" -arch="x86_64" |