From 9e3b217cfdce5e32c6c6d6e1c79786555ee4eb1c Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Sat, 20 Apr 2024 21:50:56 +0100 Subject: update coreboot/haswell (NRI) the t440p/w541 configs were re-done from scratch, because the coreboot revisions are nearly two years apart. i also added corebootfb configs. hell updated their patchset. this patchset uses the following patch: https://review.coreboot.org/c/coreboot/+/81948/1 it uses this, along with parent patches in the haswell nri patch series Signed-off-by: Leah Rowe --- .../0017-haswell-NRI-Add-pre-training-steps.patch | 384 --------------------- 1 file changed, 384 deletions(-) delete mode 100644 config/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch (limited to 'config/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch') diff --git a/config/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch b/config/coreboot/haswell/patches/0017-haswell-NRI-Add-pre-training-steps.patch deleted file mode 100644 index e4cea123..00000000 --- a/config/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 -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 ---- - .../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 -+#include -+ -+#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 - -- cgit v1.2.1