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-rw-r--r--config/coreboot/haswell/patches/0004-haswell-NRI-Add-timings-refresh-programming.patch541
1 files changed, 541 insertions, 0 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
new file mode 100644
index 00000000..74c21227
--- /dev/null
+++ b/config/coreboot/haswell/patches/0004-haswell-NRI-Add-timings-refresh-programming.patch
@@ -0,0 +1,541 @@
+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
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-18 16:04:54 +0000