From da3c9bb3c5c3b1f2e6e67a3695ce39b17bf68d5b Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Mon, 4 Sep 2023 02:36:41 +0100 Subject: merge config/ and resources/ Signed-off-by: Leah Rowe --- ...swell-NRI-Add-timings-refresh-programming.patch | 541 +++++++++++++++++++++ 1 file changed, 541 insertions(+) create mode 100644 config/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch (limited to 'config/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch') diff --git a/config/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch b/config/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch new file mode 100644 index 00000000..1b88f350 --- /dev/null +++ b/config/coreboot/haswell/patches/0014-haswell-NRI-Add-timings-refresh-programming.patch @@ -0,0 +1,541 @@ +From b64d728bfe7c8ee44af252338257e95d87864659 Mon Sep 17 00:00:00 2001 +From: Angel Pons +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 +--- + .../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 ++#include ++#include ++#include ++#include ++#include ++ + #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 + -- cgit v1.2.1