coreboot/default: merge coreboot/haswell

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

1 files changed, 0 insertions, 541 deletions

diff --git a/config/coreboot/haswell/patches/0004-haswell-NRI-Add-timings-refresh-programming.patch b/config/coreboot/haswell/patches/0004-haswell-NRI-Add-timings-refresh-programming.patch
deleted file mode 100644
index 74c21227..00000000
--- a/config/coreboot/haswell/patches/0004-haswell-NRI-Add-timings-refresh-programming.patch
+++ /dev/null
@@ -1,541 +0,0 @@
-From d94843c7c0e25cb6da4040b845556034fdb0e2c3 Mon Sep 17 00:00:00 2001
-From: Angel Pons <th3fanbus@gmail.com>
-Date: Sat, 7 May 2022 20:59:58 +0200
-Subject: [PATCH 04/20] 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 8b81c7c341..b8d6c1ef40 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..54fee0121d 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/bsd/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", __func__);
-+
-+	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
-