coreboot/default: merge coreboot/haswell

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 0 insertions, 332 deletions

diff --git a/config/coreboot/haswell/patches/0013-haswell-NRI-Add-read-MPR-training.patch b/config/coreboot/haswell/patches/0013-haswell-NRI-Add-read-MPR-training.patch
deleted file mode 100644
index 5f154bcc..00000000
--- a/config/coreboot/haswell/patches/0013-haswell-NRI-Add-read-MPR-training.patch
+++ /dev/null
@@ -1,332 +0,0 @@
-From e263f0d2e9d6d016d603342651da261bbcb6af1f Mon Sep 17 00:00:00 2001
-From: Angel Pons <th3fanbus@gmail.com>
-Date: Sun, 8 May 2022 11:35:49 +0200
-Subject: [PATCH 13/20] 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.mk  |   1 +
- .../haswell/native_raminit/raminit_main.c     |   1 +
- .../haswell/native_raminit/raminit_native.h   |   4 +
- .../haswell/native_raminit/train_read_mpr.c   | 241 ++++++++++++++++++
- .../intel/haswell/registers/mchbar.h          |   2 +-
- 5 files changed, 248 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.mk b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-index e2fbfb4211..c442be0728 100644
---- a/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-@@ -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 5242b16f28..49e9214656 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 **/
- };
- 
-@@ -433,6 +436,7 @@ 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..ade1e36148
---- /dev/null
-+++ b/src/northbridge/intel/haswell/native_raminit/train_read_mpr.c
-@@ -0,0 +1,241 @@
-+/* SPDX-License-Identifier: GPL-2.0-or-later */
-+
-+#include <commonlib/bsd/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;
-+			/* Looks like MRC uses rank 0 here, but it feels wrong */
-+			change_1d_margin_multicast(ctrl, RdT, dqs_delay, rank, 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(
-+						&region_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 = &region_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
-