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-rw-r--r--config/coreboot/default/patches/0050-haswell-NRI-Add-REUT-I-O-test-library.patch1130
1 files changed, 1130 insertions, 0 deletions
diff --git a/config/coreboot/default/patches/0050-haswell-NRI-Add-REUT-I-O-test-library.patch b/config/coreboot/default/patches/0050-haswell-NRI-Add-REUT-I-O-test-library.patch
new file mode 100644
index 00000000..6588c376
--- /dev/null
+++ b/config/coreboot/default/patches/0050-haswell-NRI-Add-REUT-I-O-test-library.patch
@@ -0,0 +1,1130 @@
+From 5ea55ac3f02a8a10f05e84ab9fbace424194869f Mon Sep 17 00:00:00 2001
+From: Angel Pons <th3fanbus@gmail.com>
+Date: Sun, 8 May 2022 00:11:29 +0200
+Subject: [PATCH 08/17] haswell NRI: Add REUT I/O test library
+
+Implement a library to run I/O tests using the REUT hardware.
+
+Change-Id: Id7b207cd0a3989ddd23c88c6b1f0cfa79d2c861f
+Signed-off-by: Angel Pons <th3fanbus@gmail.com>
+---
+ .../intel/haswell/native_raminit/Makefile.mk | 1 +
+ .../haswell/native_raminit/raminit_native.h | 110 +++
+ .../haswell/native_raminit/reg_structs.h | 121 +++
+ .../intel/haswell/native_raminit/testing_io.c | 744 ++++++++++++++++++
+ .../intel/haswell/registers/mchbar.h | 30 +
+ 5 files changed, 1006 insertions(+)
+ create mode 100644 src/northbridge/intel/haswell/native_raminit/testing_io.c
+
+diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.mk b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
+index 8d7d4e4db0..6e1b365602 100644
+--- a/src/northbridge/intel/haswell/native_raminit/Makefile.mk
++++ b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
+@@ -12,4 +12,5 @@ romstage-y += raminit_native.c
+ romstage-y += reut.c
+ romstage-y += setup_wdb.c
+ romstage-y += spd_bitmunching.c
++romstage-y += testing_io.c
+ romstage-y += timings_refresh.c
+diff --git a/src/northbridge/intel/haswell/native_raminit/raminit_native.h b/src/northbridge/intel/haswell/native_raminit/raminit_native.h
+index 4d9487d79c..f029e7f076 100644
+--- a/src/northbridge/intel/haswell/native_raminit/raminit_native.h
++++ b/src/northbridge/intel/haswell/native_raminit/raminit_native.h
+@@ -59,6 +59,88 @@ enum {
+ REUT_MODE_NOP = 3, /* Normal operation mode */
+ };
+
++/* REUT error counter control */
++enum {
++ COUNT_ERRORS_PER_CHANNEL = 0,
++ COUNT_ERRORS_PER_LANE = 1,
++ COUNT_ERRORS_PER_BYTE_GROUP = 2,
++ COUNT_ERRORS_PER_CHUNK = 3,
++};
++
++enum wdb_dq_pattern {
++ BASIC_VA = 0,
++ SEGMENT_WDB,
++ CADB,
++ TURN_AROUND,
++ LMN_VA,
++ TURN_AROUND_WR,
++ TURN_AROUND_ODT,
++ RD_RD_TA,
++ RD_RD_TA_ALL,
++};
++
++enum reut_cmd_pat {
++ PAT_WR_RD,
++ PAT_WR,
++ PAT_RD,
++ PAT_RD_WR_TA,
++ PAT_WR_RD_TA,
++ PAT_ODT_TA,
++};
++
++/* REUT subsequence types (B = Base, O = Offset) */
++enum {
++ SUBSEQ_B_RD = 0 << 22,
++ SUBSEQ_B_WR = 1 << 22,
++ SUBSEQ_B_RD_WR = 2 << 22,
++ SUBSEQ_B_WR_RD = 3 << 22,
++ SUBSEQ_O_RD = 4 << 22,
++ SUBSEQ_O_WR = 5 << 22,
++};
++
++/* REUT mux control */
++enum {
++ REUT_MUX_LMN = 0,
++ REUT_MUX_BTBUFFER = 1,
++ REUT_MUX_LFSR = 2,
++};
++
++/* Increment scale */
++enum {
++ SCALE_LOGARITHM = 0,
++ SCALE_LINEAR = 1,
++};
++
++enum test_stop {
++ NSOE = 0, /* Never stop on error */
++ NTHSOE = 1, /* Stop on the nth error (we use n = 1) */
++ ABGSOE = 2, /* Stop on all byte groups error */
++ ALSOE = 3, /* Stop on all lanes error */
++};
++
++struct wdb_pat {
++ uint32_t start_ptr; /* Starting pointer in WDB */
++ uint32_t stop_ptr; /* Stopping pointer in WDB */
++ uint16_t inc_rate; /* How quickly the WDB walks through cachelines */
++ uint8_t dq_pattern; /* DQ pattern to use (see enum wdb_dq_pattern above) */
++};
++
++struct reut_pole {
++ uint16_t start;
++ uint16_t stop;
++ uint16_t order;
++ uint32_t inc_rate;
++ uint16_t inc_val;
++ bool wrap_trigger;
++};
++
++struct reut_box {
++ struct reut_pole rank;
++ struct reut_pole bank;
++ struct reut_pole row;
++ struct reut_pole col;
++};
++
+ enum command_training_iteration {
+ CT_ITERATION_CLOCK = 0,
+ CT_ITERATION_CMD_NORTH,
+@@ -200,6 +282,10 @@ struct sysinfo {
+ uint16_t mr1[NUM_CHANNELS][NUM_SLOTS];
+ uint16_t mr2[NUM_CHANNELS][NUM_SLOTS];
+ uint16_t mr3[NUM_CHANNELS][NUM_SLOTS];
++
++ uint8_t dq_pat;
++
++ uint8_t dq_pat_lc;
+ };
+
+ static inline bool is_hsw_ult(void)
+@@ -341,6 +427,30 @@ void write_wdb_va_pat(
+ void program_wdb_lfsr(const struct sysinfo *ctrl, bool cleanup);
+ void setup_wdb(const struct sysinfo *ctrl);
+
++void program_seq_addr(uint8_t channel, const struct reut_box *reut_addr, bool log_seq_addr);
++void program_loop_count(const struct sysinfo *ctrl, uint8_t channel, uint8_t lc_exp);
++
++void setup_io_test(
++ struct sysinfo *ctrl,
++ uint8_t chanmask,
++ enum reut_cmd_pat cmd_pat,
++ uint16_t num_cl,
++ uint8_t lc,
++ const struct reut_box *reut_addr,
++ enum test_stop soe,
++ const struct wdb_pat *pat,
++ uint8_t en_cadb,
++ uint8_t subseq_wait);
++
++void setup_io_test_cadb(struct sysinfo *ctrl, uint8_t chanmask, uint8_t lc, enum test_stop soe);
++void setup_io_test_basic_va(struct sysinfo *ctrl, uint8_t chm, uint8_t lc, enum test_stop soe);
++void setup_io_test_mpr(struct sysinfo *ctrl, uint8_t chanmask, uint8_t lc, enum test_stop soe);
++
++uint8_t select_reut_ranks(struct sysinfo *ctrl, uint8_t channel, uint8_t rankmask);
++
++void run_mpr_io_test(bool clear_errors);
++uint8_t run_io_test(struct sysinfo *ctrl, uint8_t chanmask, uint8_t dq_pat, bool clear_errors);
++
+ 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 7aa8d8c8b2..b943259b91 100644
+--- a/src/northbridge/intel/haswell/native_raminit/reg_structs.h
++++ b/src/northbridge/intel/haswell/native_raminit/reg_structs.h
+@@ -347,6 +347,54 @@ union reut_pat_cl_mux_lmn_reg {
+ uint32_t raw;
+ };
+
++union reut_err_ctl_reg {
++ struct __packed {
++ uint32_t stop_on_nth_error : 6; // Bits 5:0
++ uint32_t : 6; // Bits 11:6
++ uint32_t stop_on_error_control : 2; // Bits 13:12
++ uint32_t : 2; // Bits 15:14
++ uint32_t selective_err_enable_chunk : 8; // Bits 23:16
++ uint32_t selective_err_enable_cacheline : 8; // Bits 31:24
++ };
++ uint32_t raw;
++};
++
++union reut_pat_cadb_mux_ctrl_reg {
++ struct __packed {
++ uint32_t mux_0_ctrl : 2; // Bits 1:0
++ uint32_t : 2; // Bits 3:2
++ uint32_t mux_1_ctrl : 2; // Bits 5:4
++ uint32_t : 2; // Bits 7:6
++ uint32_t mux_2_ctrl : 2; // Bits 9:8
++ uint32_t : 6; // Bits 15:10
++ uint32_t sel_mux_0_ctrl : 2; // Bits 17:16
++ uint32_t : 2; // Bits 19:18
++ uint32_t sel_mux_1_ctrl : 2; // Bits 21:20
++ uint32_t : 2; // Bits 23:22
++ uint32_t sel_mux_2_ctrl : 2; // Bits 25:24
++ uint32_t : 6; // Bits 31:26
++ };
++ uint32_t raw;
++};
++
++union reut_pat_wdb_cl_mux_cfg_reg {
++ struct __packed {
++ uint32_t mux_0_control : 2; // Bits 1:0
++ uint32_t : 1; // Bits 2:2
++ uint32_t mux_1_control : 2; // Bits 4:3
++ uint32_t : 1; // Bits 5:5
++ uint32_t mux_2_control : 2; // Bits 7:6
++ uint32_t : 6; // Bits 13:8
++ uint32_t ecc_replace_byte_ctl : 1; // Bits 14:14
++ uint32_t ecc_data_source_sel : 1; // Bits 15:15
++ uint32_t save_lfsr_seed_rate : 6; // Bits 21:16
++ uint32_t : 2; // Bits 23:22
++ uint32_t reload_lfsr_seed_rate : 3; // Bits 26:24
++ uint32_t : 5; // Bits 31:27
++ };
++ uint32_t raw;
++};
++
+ union reut_pat_cadb_prog_reg {
+ struct __packed {
+ uint32_t addr : 16; // Bits 15:0
+@@ -366,6 +414,19 @@ union reut_pat_cadb_prog_reg {
+ uint32_t raw32[2];
+ };
+
++union reut_pat_wdb_cl_ctrl_reg {
++ struct __packed {
++ uint32_t inc_rate : 5; // Bits 4:0
++ uint32_t inc_scale : 1; // Bits 5:5
++ uint32_t : 2; // Bits 7:6
++ uint32_t start_ptr : 6; // Bits 13:8
++ uint32_t : 2; // Bits 15:14
++ uint32_t end_ptr : 6; // Bits 21:16
++ uint32_t : 10; // Bits 31:22
++ };
++ uint32_t raw;
++};
++
+ union reut_pat_cadb_mrs_reg {
+ struct __packed {
+ uint32_t delay_gap : 3; // Bits 2:0
+@@ -406,6 +467,66 @@ union reut_seq_cfg_reg {
+ uint32_t raw32[2];
+ };
+
++union reut_seq_base_addr_reg {
++ struct __packed {
++ uint32_t : 3; // Bits 2:0
++ uint32_t col_addr : 8; // Bits 10:3
++ uint32_t : 13; // Bits 23:11
++ uint32_t row_addr : 16; // Bits 39:24
++ uint32_t : 8; // Bits 47:40
++ uint32_t bank_addr : 3; // Bits 50:48
++ uint32_t : 5; // Bits 55:51
++ uint32_t rank_addr : 3; // Bits 58:56
++ uint32_t : 5; // Bits 63:59
++ };
++ uint32_t raw32[2];
++ uint64_t raw;
++};
++
++union reut_seq_misc_ctl_reg {
++ struct __packed {
++ uint32_t col_addr_order : 2; // Bits 1:0
++ uint32_t row_addr_order : 2; // Bits 3:2
++ uint32_t bank_addr_order : 2; // Bits 5:4
++ uint32_t rank_addr_order : 2; // Bits 7:6
++ uint32_t : 5; // Bits 12:8
++ uint32_t addr_invert_rate : 3; // Bits 15:13
++ uint32_t : 4; // Bits 19:16
++ uint32_t col_addr_invert_en : 1; // Bits 20:20
++ uint32_t row_addr_invert_en : 1; // Bits 21:21
++ uint32_t bank_addr_invert_en : 1; // Bits 22:22
++ uint32_t rank_addr_invert_en : 1; // Bits 23:23
++ uint32_t col_wrap_trigger_en : 1; // Bits 24:24
++ uint32_t row_wrap_trigger_en : 1; // Bits 25:25
++ uint32_t bank_wrap_trigger_en : 1; // Bits 26:26
++ uint32_t rank_wrap_trigger_en : 1; // Bits 27:27
++ uint32_t col_wrap_carry_en : 1; // Bits 28:28
++ uint32_t row_wrap_carry_en : 1; // Bits 29:29
++ uint32_t bank_wrap_carry_en : 1; // Bits 30:30
++ uint32_t rank_wrap_carry_en : 1; // Bits 31:31
++ };
++ uint32_t raw;
++};
++
++union reut_seq_addr_inc_ctl_reg {
++ struct __packed {
++ uint32_t : 3; // Bits 2:0
++ uint32_t col_addr_increment : 8; // Bits 10:3
++ uint32_t : 1; // Bits 11:11
++ uint32_t col_addr_update : 8; // Bits 19:12
++ uint32_t row_addr_increment : 12; // Bits 31:20
++ uint32_t row_addr_update : 6; // Bits 37:32
++ uint32_t bank_addr_increment : 3; // Bits 40:38
++ uint32_t : 3; // Bits 43:41
++ uint32_t bank_addr_update : 8; // Bits 53:44
++ uint32_t rank_addr_increment : 3; // Bits 54:52
++ uint32_t : 1; // Bits 55:55
++ uint32_t rank_addr_update : 8; // Bits 63:56
++ };
++ uint64_t raw;
++ uint32_t raw32[2];
++};
++
+ union reut_seq_ctl_reg {
+ struct __packed {
+ uint32_t start_test : 1; // Bits 0:0
+diff --git a/src/northbridge/intel/haswell/native_raminit/testing_io.c b/src/northbridge/intel/haswell/native_raminit/testing_io.c
+new file mode 100644
+index 0000000000..2632c238f8
+--- /dev/null
++++ b/src/northbridge/intel/haswell/native_raminit/testing_io.c
+@@ -0,0 +1,744 @@
++/* SPDX-License-Identifier: GPL-2.0-or-later */
++
++#include <console/console.h>
++#include <delay.h>
++#include <lib.h>
++#include <northbridge/intel/haswell/haswell.h>
++#include <timer.h>
++#include <types.h>
++
++#include "raminit_native.h"
++
++static void set_cadb_patterns(const uint8_t channel, const uint16_t seeds[NUM_CADB_MUX_SEEDS])
++{
++ for (uint8_t i = 0; i < NUM_CADB_MUX_SEEDS; i++)
++ mchbar_write32(REUT_ch_PAT_CADB_MUX_x(channel, i), seeds[i]);
++}
++
++static void setup_cadb(
++ struct sysinfo *ctrl,
++ const uint8_t channel,
++ const uint8_t vic_spread,
++ const uint8_t vic_bit)
++{
++ const bool lmn_en = false;
++
++ /*
++ * Currently, always start writing at CADB row 0.
++ * Could add a start point parameter in the future.
++ */
++ mchbar_write8(REUT_ch_PAT_CADB_WRITE_PTR(channel), 0);
++ const uint8_t num_cadb_rows = 8;
++ for (uint8_t row = 0; row < num_cadb_rows; row++) {
++ const uint8_t lfsr0 = (row >> 0) & 1;
++ const uint8_t lfsr1 = (row >> 1) & 1;
++ uint64_t reg64 = 0;
++ for (uint8_t bit = 0; bit < 22; bit++) {
++ uint8_t bremap;
++ if (bit >= 19) {
++ /* (bremap in 40 .. 42) => CADB data control */
++ bremap = bit + 21;
++ } else if (bit >= 16) {
++ /* (bremap in 24 .. 26) => CADB data bank */
++ bremap = bit + 8;
++ } else {
++ /* (bremap in 0 .. 15) => CADB data address */
++ bremap = bit;
++ }
++ const uint8_t fine = bit % vic_spread;
++ reg64 |= ((uint64_t)(fine == vic_bit ? lfsr0 : lfsr1)) << bremap;
++ }
++ /*
++ * Write row. CADB pointer is auto incremented after every write. This must be
++ * a single 64-bit write, otherwise the CADB pointer will auto-increment twice.
++ */
++ mchbar_write64(REUT_ch_PAT_CADB_PROG(channel), reg64);
++ }
++ const union reut_pat_cadb_mux_ctrl_reg cadb_mux_ctrl = {
++ .mux_0_ctrl = lmn_en ? REUT_MUX_LMN : REUT_MUX_LFSR,
++ .mux_1_ctrl = REUT_MUX_LFSR,
++ .mux_2_ctrl = REUT_MUX_LFSR,
++ };
++ mchbar_write32(REUT_ch_PAT_CADB_MUX_CTRL(channel), cadb_mux_ctrl.raw);
++ const union reut_pat_cl_mux_lmn_reg cadb_cl_mux_lmn = {
++ .en_sweep_freq = 1,
++ .l_counter = 1,
++ .m_counter = 1,
++ .n_counter = 6,
++ };
++ mchbar_write32(REUT_ch_PAT_CADB_CL_MUX_LMN(channel), cadb_cl_mux_lmn.raw);
++ const uint16_t cadb_mux_seeds[NUM_CADB_MUX_SEEDS] = { 0x0ea1, 0xbeef, 0xdead };
++ set_cadb_patterns(channel, cadb_mux_seeds);
++}
++
++static uint32_t calc_rate(const uint32_t rate, const uint32_t lim, const uint8_t scale_bit)
++{
++ return rate > lim ? log2_ceil(rate - 1) : BIT(scale_bit) | rate;
++}
++
++void program_seq_addr(
++ const uint8_t channel,
++ const struct reut_box *reut_addr,
++ const bool log_seq_addr)
++{
++ const int loglevel = log_seq_addr ? BIOS_ERR : BIOS_NEVER;
++ const uint32_t div = 8;
++ union reut_seq_base_addr_reg reut_seq_addr_start = {
++ .col_addr = reut_addr->col.start / div,
++ .row_addr = reut_addr->row.start,
++ .bank_addr = reut_addr->bank.start,
++ .rank_addr = reut_addr->rank.start,
++ };
++ mchbar_write64(REUT_ch_SEQ_ADDR_START(channel), reut_seq_addr_start.raw);
++ reut_seq_addr_start.raw = mchbar_read64(REUT_ch_SEQ_ADDR_START(channel));
++ printk(loglevel, "\tStart column: %u\n", reut_seq_addr_start.col_addr);
++ printk(loglevel, "\tStart row: %u\n", reut_seq_addr_start.row_addr);
++ printk(loglevel, "\tStart bank: %u\n", reut_seq_addr_start.bank_addr);
++ printk(loglevel, "\tStart rank: %u\n", reut_seq_addr_start.rank_addr);
++ printk(loglevel, "\n");
++
++ union reut_seq_base_addr_reg reut_seq_addr_stop = {
++ .col_addr = reut_addr->col.stop / div,
++ .row_addr = reut_addr->row.stop,
++ .bank_addr = reut_addr->bank.stop,
++ .rank_addr = reut_addr->rank.stop,
++ };
++ mchbar_write64(REUT_ch_SEQ_ADDR_WRAP(channel), reut_seq_addr_stop.raw);
++ reut_seq_addr_stop.raw = mchbar_read64(REUT_ch_SEQ_ADDR_WRAP(channel));
++ printk(loglevel, "\tStop column: %u\n", reut_seq_addr_stop.col_addr);
++ printk(loglevel, "\tStop row: %u\n", reut_seq_addr_stop.row_addr);
++ printk(loglevel, "\tStop bank: %u\n", reut_seq_addr_stop.bank_addr);
++ printk(loglevel, "\tStop rank: %u\n", reut_seq_addr_stop.rank_addr);
++ printk(loglevel, "\n");
++
++ union reut_seq_misc_ctl_reg reut_seq_misc_ctl = {
++ .col_wrap_trigger_en = reut_addr->col.wrap_trigger,
++ .row_wrap_trigger_en = reut_addr->row.wrap_trigger,
++ .bank_wrap_trigger_en = reut_addr->bank.wrap_trigger,
++ .rank_wrap_trigger_en = reut_addr->rank.wrap_trigger,
++ };
++ mchbar_write32(REUT_ch_SEQ_MISC_CTL(channel), reut_seq_misc_ctl.raw);
++ printk(loglevel, "\tWrap column: %u\n", reut_addr->col.wrap_trigger);
++ printk(loglevel, "\tWrap row: %u\n", reut_addr->row.wrap_trigger);
++ printk(loglevel, "\tWrap bank: %u\n", reut_addr->bank.wrap_trigger);
++ printk(loglevel, "\tWrap rank: %u\n", reut_addr->rank.wrap_trigger);
++ printk(loglevel, "\n");
++
++ union reut_seq_addr_inc_ctl_reg reut_seq_addr_inc_ctl = {
++ .col_addr_update = calc_rate(reut_addr->col.inc_rate, 31, 7),
++ .row_addr_update = calc_rate(reut_addr->row.inc_rate, 15, 5),
++ .bank_addr_update = calc_rate(reut_addr->bank.inc_rate, 31, 7),
++ .rank_addr_update = calc_rate(reut_addr->rank.inc_rate, 31, 7),
++ .col_addr_increment = reut_addr->col.inc_val,
++ .row_addr_increment = reut_addr->row.inc_val,
++ .bank_addr_increment = reut_addr->bank.inc_val,
++ .rank_addr_increment = reut_addr->rank.inc_val,
++ };
++ printk(loglevel, "\tUpdRate column: %u\n", reut_addr->col.inc_rate);
++ printk(loglevel, "\tUpdRate row: %u\n", reut_addr->row.inc_rate);
++ printk(loglevel, "\tUpdRate bank: %u\n", reut_addr->bank.inc_rate);
++ printk(loglevel, "\tUpdRate rank: %u\n", reut_addr->rank.inc_rate);
++ printk(loglevel, "\n");
++ printk(loglevel, "\tUpdRateCR column: %u\n", reut_seq_addr_inc_ctl.col_addr_update);
++ printk(loglevel, "\tUpdRateCR row: %u\n", reut_seq_addr_inc_ctl.row_addr_update);
++ printk(loglevel, "\tUpdRateCR bank: %u\n", reut_seq_addr_inc_ctl.bank_addr_update);
++ printk(loglevel, "\tUpdRateCR rank: %u\n", reut_seq_addr_inc_ctl.rank_addr_update);
++ printk(loglevel, "\n");
++ printk(loglevel, "\tUpdInc column: %u\n", reut_seq_addr_inc_ctl.col_addr_increment);
++ printk(loglevel, "\tUpdInc row: %u\n", reut_seq_addr_inc_ctl.row_addr_increment);
++ printk(loglevel, "\tUpdInc bank: %u\n", reut_seq_addr_inc_ctl.bank_addr_increment);
++ printk(loglevel, "\tUpdInc rank: %u\n", reut_seq_addr_inc_ctl.rank_addr_increment);
++ printk(loglevel, "\n");
++ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel), reut_seq_addr_inc_ctl.raw);
++}
++
++/*
++ * Early steppings take exponential (base 2) loopcount values,
++ * but later steppings take linear loopcount values elsewhere.
++ * Address the differences in register offset and format here.
++ */
++void program_loop_count(const struct sysinfo *ctrl, const uint8_t channel, const uint8_t lc_exp)
++{
++ if (ctrl->stepping >= STEPPING_C0) {
++ const uint32_t loopcount = lc_exp >= 32 ? 0 : BIT(lc_exp);
++ mchbar_write32(HSW_REUT_ch_SEQ_LOOP_COUNT(channel), loopcount);
++ } else {
++ const uint8_t loopcount = lc_exp >= 32 ? 0 : lc_exp + 1;
++ union reut_seq_cfg_reg reut_seq_cfg = {
++ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)),
++ };
++ reut_seq_cfg.early_steppings_loop_count = loopcount;
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ }
++}
++
++static inline void write_subseq(const uint8_t channel, const uint8_t idx, const uint32_t ssq)
++{
++ mchbar_write32(REUT_ch_SUBSEQ_x_CTL(channel, idx), ssq);
++}
++
++static void program_subseq(
++ struct sysinfo *const ctrl,
++ const uint8_t channel,
++ const enum reut_cmd_pat cmd_pat,
++ const uint32_t ss_a,
++ const uint32_t ss_b)
++{
++ switch (cmd_pat) {
++ case PAT_WR_RD_TA:
++ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR);
++ for (uint8_t i = 1; i < 7; i++)
++ write_subseq(channel, i, ss_b | SUBSEQ_B_RD_WR);
++
++ write_subseq(channel, 7, ss_a | SUBSEQ_B_RD);
++ break;
++ case PAT_RD_WR_TA:
++ write_subseq(channel, 0, ss_b | SUBSEQ_B_WR_RD);
++ break;
++ case PAT_ODT_TA:
++ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR);
++ write_subseq(channel, 1, ss_b | SUBSEQ_B_RD_WR);
++ write_subseq(channel, 2, ss_a | SUBSEQ_B_RD);
++ write_subseq(channel, 3, ss_b | SUBSEQ_B_WR_RD);
++ break;
++ default:
++ write_subseq(channel, 0, ss_a | SUBSEQ_B_WR);
++ write_subseq(channel, 1, ss_a | SUBSEQ_B_RD);
++ break;
++ }
++}
++
++void setup_io_test(
++ struct sysinfo *ctrl,
++ const uint8_t chanmask,
++ const enum reut_cmd_pat cmd_pat,
++ const uint16_t num_cl,
++ const uint8_t lc,
++ const struct reut_box *const reut_addr,
++ const enum test_stop soe,
++ const struct wdb_pat *const pat,
++ const uint8_t en_cadb,
++ const uint8_t subseq_wait)
++{
++ if (!chanmask) {
++ printk(BIOS_ERR, "\n%s: chanmask is invalid\n", __func__);
++ return;
++ }
++
++ /*
++ * Prepare variables needed for both channels.
++ * Check for the cases where this MUST be 1: when
++ * we manually walk through subseq ODT and TA Wr.
++ */
++ uint8_t lc_exp = MAX(lc - log2_ceil(num_cl), 0);
++ if (cmd_pat == PAT_WR_RD_TA || cmd_pat == PAT_ODT_TA)
++ lc_exp = 0;
++
++ uint8_t num_clcr;
++ if (num_cl > 127) {
++ /* Assume exponential number */
++ num_clcr = log2_ceil(num_cl);
++ } else {
++ /* Set number of cache lines as linear number */
++ num_clcr = num_cl | BIT(7);
++ }
++
++ const uint16_t num_cl2 = 2 * num_cl;
++ uint8_t num_cl2cr;
++ if (num_cl2 > 127) {
++ /* Assume exponential number */
++ num_cl2cr = log2_ceil(num_cl2);
++ } else {
++ /* Set number of cache lines as linear number */
++ num_cl2cr = num_cl2 | BIT(7);
++ }
++
++ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
++ if (!(chanmask & BIT(channel))) {
++ union reut_seq_cfg_reg reut_seq_cfg = {
++ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)),
++ };
++ reut_seq_cfg.global_control = 0;
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ continue;
++ }
++
++ /*
++ * Program CADB
++ */
++ mchbar_write8(REUT_ch_MISC_PAT_CADB_CTRL(channel), !!en_cadb);
++ if (en_cadb)
++ setup_cadb(ctrl, channel, 7, 8);
++
++ /*
++ * Program sequence
++ */
++ uint8_t subseq_start = 0;
++ uint8_t subseq_end = 0;
++ switch (cmd_pat) {
++ case PAT_WR_RD:
++ subseq_end = 1;
++ break;
++ case PAT_WR:
++ break;
++ case PAT_RD:
++ subseq_start = 1;
++ subseq_end = 1;
++ break;
++ case PAT_RD_WR_TA:
++ break;
++ case PAT_WR_RD_TA:
++ subseq_end = 7;
++ break;
++ case PAT_ODT_TA:
++ subseq_end = 3;
++ break;
++ default:
++ die("\n%s: Pattern type %u is invalid\n", __func__, cmd_pat);
++ }
++ const union reut_seq_cfg_reg reut_seq_cfg = {
++ .global_control = 1,
++ .initialization_mode = REUT_MODE_TEST,
++ .subsequence_start_pointer = subseq_start,
++ .subsequence_end_pointer = subseq_end,
++ .start_test_delay = 2,
++ };
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ program_loop_count(ctrl, channel, lc_exp);
++ mchbar_write32(REUT_ch_SEQ_CTL(channel), (union reut_seq_ctl_reg) {
++ .clear_errors = 1,
++ }.raw);
++
++ /*
++ * Program subsequences
++ */
++ uint32_t subseq_a = 0;
++
++ /* Number of cachelines and scale */
++ subseq_a |= (num_clcr & 0x00ff) << 0;
++ subseq_a |= (subseq_wait & 0x3fff) << 8;
++
++ /* Reset current base address to start */
++ subseq_a |= BIT(27);
++
++ uint32_t subseq_b = 0;
++
++ /* Number of cachelines and scale */
++ subseq_b |= (num_cl2cr & 0x00ff) << 0;
++ subseq_b |= (subseq_wait & 0x3fff) << 8;
++
++ /* Reset current base address to start */
++ subseq_b |= BIT(27);
++
++ program_subseq(ctrl, channel, cmd_pat, subseq_a, subseq_b);
++
++ /* Program sequence address */
++ program_seq_addr(channel, reut_addr, false);
++
++ /* Program WDB */
++ const bool is_linear = pat->inc_rate < 32;
++ mchbar_write32(REUT_ch_WDB_CL_CTRL(channel), (union reut_pat_wdb_cl_ctrl_reg) {
++ .start_ptr = pat->start_ptr,
++ .end_ptr = pat->stop_ptr,
++ .inc_rate = is_linear ? pat->inc_rate : log2_ceil(pat->inc_rate),
++ .inc_scale = is_linear,
++ }.raw);
++
++ /* Enable LMN in LMN or CADB modes, used to create lots of supply noise */
++ const bool use_lmn = pat->dq_pattern == LMN_VA || pat->dq_pattern == CADB;
++ union reut_pat_wdb_cl_mux_cfg_reg pat_wdb_cl_mux_cfg = {
++ .mux_0_control = use_lmn ? REUT_MUX_LMN : REUT_MUX_LFSR,
++ .mux_1_control = REUT_MUX_LFSR,
++ .mux_2_control = REUT_MUX_LFSR,
++ .ecc_data_source_sel = 1,
++ };
++
++ /* Program LFSR save/restore, too complex unless everything is power of 2 */
++ if (cmd_pat == PAT_ODT_TA || cmd_pat == PAT_WR_RD_TA) {
++ pat_wdb_cl_mux_cfg.reload_lfsr_seed_rate = log2_ceil(num_cl) + 1;
++ pat_wdb_cl_mux_cfg.save_lfsr_seed_rate = 1;
++ }
++ mchbar_write32(REUT_ch_PAT_WDB_CL_MUX_CFG(channel), pat_wdb_cl_mux_cfg.raw);
++
++ /* Inversion mask is not used */
++ mchbar_write32(REUT_ch_PAT_WDB_INV(channel), 0);
++
++ /* Program error checking */
++ const union reut_err_ctl_reg reut_err_ctl = {
++ .selective_err_enable_cacheline = 0xff,
++ .selective_err_enable_chunk = 0xff,
++ .stop_on_error_control = soe,
++ .stop_on_nth_error = 1,
++ };
++ mchbar_write32(REUT_ch_ERR_CONTROL(channel), reut_err_ctl.raw);
++ mchbar_write64(REUT_ch_ERR_DATA_MASK(channel), 0);
++ mchbar_write8(REUT_ch_ERR_ECC_MASK(channel), 0);
++ }
++
++ /* Always do a ZQ short before the beginning of a test */
++ reut_issue_zq(ctrl, chanmask, ZQ_SHORT);
++}
++
++void setup_io_test_cadb(
++ struct sysinfo *ctrl,
++ const uint8_t chanmask,
++ const uint8_t lc,
++ const enum test_stop soe)
++{
++ const struct reut_box reut_addr = {
++ .rank = {
++ .start = 0,
++ .stop = 0,
++ .inc_rate = 32,
++ .inc_val = 1,
++ },
++ .bank = {
++ .start = 0,
++ .stop = 7,
++ .inc_rate = 3,
++ .inc_val = 1,
++ },
++ .row = {
++ .start = 0,
++ .stop = 2047,
++ .inc_rate = 3,
++ .inc_val = 73,
++ },
++ .col = {
++ .start = 0,
++ .stop = 1023,
++ .inc_rate = 0,
++ .inc_val = 53,
++ },
++ };
++ const struct wdb_pat pattern = {
++ .start_ptr = 0,
++ .stop_ptr = 9,
++ .inc_rate = 4,
++ .dq_pattern = CADB,
++ };
++ setup_io_test(
++ ctrl,
++ chanmask,
++ PAT_WR_RD,
++ 128,
++ lc,
++ &reut_addr,
++ soe,
++ &pattern,
++ 1,
++ 0);
++
++ ctrl->dq_pat_lc = MAX(lc - 2 - 3, 0) + 1;
++ ctrl->dq_pat = CADB;
++}
++
++void setup_io_test_basic_va(
++ struct sysinfo *ctrl,
++ const uint8_t chanmask,
++ const uint8_t lc,
++ const enum test_stop soe)
++{
++ const uint32_t spread = 8;
++ const struct reut_box reut_addr = {
++ .rank = {
++ .start = 0,
++ .stop = 0,
++ .inc_rate = 32,
++ .inc_val = 1,
++ },
++ .col = {
++ .start = 0,
++ .stop = 1023,
++ .inc_rate = 0,
++ .inc_val = 1,
++ },
++ };
++ const struct wdb_pat pattern = {
++ .start_ptr = 0,
++ .stop_ptr = spread - 1,
++ .inc_rate = 4,
++ .dq_pattern = BASIC_VA,
++ };
++ setup_io_test(
++ ctrl,
++ chanmask,
++ PAT_WR_RD,
++ 128,
++ lc,
++ &reut_addr,
++ soe,
++ &pattern,
++ 0,
++ 0);
++
++ ctrl->dq_pat_lc = MAX(lc - 8, 0) + 1;
++ ctrl->dq_pat = BASIC_VA;
++}
++
++void setup_io_test_mpr(
++ struct sysinfo *ctrl,
++ const uint8_t chanmask,
++ const uint8_t lc,
++ const enum test_stop soe)
++{
++ const struct reut_box reut_addr_ddr = {
++ .rank = {
++ .start = 0,
++ .stop = 0,
++ .inc_rate = 32,
++ .inc_val = 1,
++ },
++ .col = {
++ .start = 0,
++ .stop = 1023,
++ .inc_rate = 0,
++ .inc_val = 1,
++ },
++ };
++ const struct reut_box reut_addr_lpddr = {
++ .bank = {
++ .start = 4,
++ .stop = 4,
++ .inc_rate = 0,
++ .inc_val = 0,
++ },
++ };
++ const struct wdb_pat pattern = {
++ .start_ptr = 0,
++ .stop_ptr = 9,
++ .inc_rate = 4,
++ .dq_pattern = BASIC_VA,
++ };
++ setup_io_test(
++ ctrl,
++ chanmask,
++ PAT_RD,
++ 128,
++ lc,
++ ctrl->lpddr ? &reut_addr_lpddr : &reut_addr_ddr,
++ soe,
++ &pattern,
++ 0,
++ 0);
++
++ ctrl->dq_pat_lc = 1;
++ ctrl->dq_pat = BASIC_VA;
++}
++
++uint8_t select_reut_ranks(struct sysinfo *ctrl, const uint8_t channel, uint8_t rankmask)
++{
++ rankmask &= ctrl->rankmap[channel];
++
++ uint8_t rank_count = 0;
++ uint32_t rank_log_to_phys = 0;
++ for (uint8_t rank = 0; rank < NUM_SLOTRANKS; rank++) {
++ if (!rank_in_mask(rank, rankmask))
++ continue;
++
++ rank_log_to_phys |= rank << (4 * rank_count);
++ rank_count++;
++ }
++ mchbar_write32(REUT_ch_RANK_LOG_TO_PHYS(channel), rank_log_to_phys);
++
++ union reut_seq_cfg_reg reut_seq_cfg = {
++ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)),
++ };
++ if (!rank_count) {
++ reut_seq_cfg.global_control = 0;
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ return 0;
++ }
++ union reut_seq_base_addr_reg reut_seq_addr_stop = {
++ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_WRAP(channel)),
++ };
++ reut_seq_addr_stop.rank_addr = rank_count - 1;
++ mchbar_write64(REUT_ch_SEQ_ADDR_WRAP(channel), reut_seq_addr_stop.raw);
++
++ reut_seq_cfg.global_control = 1;
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ return BIT(channel);
++}
++
++void run_mpr_io_test(const bool clear_errors)
++{
++ io_reset();
++ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) {
++ .start_test = 1,
++ .clear_errors = clear_errors,
++ }.raw);
++ tick_delay(2);
++ io_reset();
++ tick_delay(2);
++ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) {
++ .stop_test = 1,
++ }.raw);
++}
++
++static uint8_t get_num_tests(const uint8_t dq_pat)
++{
++ switch (dq_pat) {
++ case SEGMENT_WDB: return 4;
++ case CADB: return 7;
++ case TURN_AROUND_WR: return 8;
++ case TURN_AROUND_ODT: return 4;
++ case RD_RD_TA: return 2;
++ case RD_RD_TA_ALL: return 8;
++ default: return 1;
++ }
++}
++
++uint8_t run_io_test(
++ struct sysinfo *const ctrl,
++ const uint8_t chanmask,
++ const uint8_t dq_pat,
++ const bool clear_errors)
++{
++ /* SEGMENT_WDB only runs 4 tests */
++ const uint8_t segment_wdb_lc[4] = { 0, 0, 4, 2 };
++ const union reut_pat_wdb_cl_ctrl_reg pat_wdb_cl[4] = {
++ [0] = {
++ .start_ptr = 0,
++ .end_ptr = 9,
++ .inc_rate = 25,
++ .inc_scale = SCALE_LINEAR,
++ },
++ [1] = {
++ .start_ptr = 0,
++ .end_ptr = 9,
++ .inc_rate = 25,
++ .inc_scale = SCALE_LINEAR,
++ },
++ [2] = {
++ .start_ptr = 10,
++ .end_ptr = 63,
++ .inc_rate = 19,
++ .inc_scale = SCALE_LINEAR,
++ },
++ [3] = {
++ .start_ptr = 10,
++ .end_ptr = 63,
++ .inc_rate = 10,
++ .inc_scale = SCALE_LINEAR,
++ },
++ };
++ const bool is_turnaround = dq_pat == RD_RD_TA || dq_pat == RD_RD_TA_ALL;
++ const uint8_t num_tests = get_num_tests(dq_pat);
++ union tc_bank_rank_a_reg tc_bank_rank_a[NUM_CHANNELS] = { 0 };
++ if (is_turnaround) {
++ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
++ if (!(chanmask & BIT(channel)))
++ continue;
++
++ tc_bank_rank_a[channel].raw = ctrl->tc_bankrank_a[channel].raw;
++ }
++ }
++ for (uint8_t t = 0; t < num_tests; t++) {
++ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
++ if (!(chanmask & BIT(channel)))
++ continue;
++
++ if (dq_pat == SEGMENT_WDB) {
++ mchbar_write32(REUT_ch_WDB_CL_CTRL(channel), pat_wdb_cl[t].raw);
++ /*
++ * Skip programming LFSR save/restore. Too complex
++ * unless power of 2. Program desired loopcount.
++ */
++ const uint8_t pat_lc = ctrl->dq_pat_lc + segment_wdb_lc[t];
++ program_loop_count(ctrl, channel, pat_lc);
++ } else if (dq_pat == CADB) {
++ setup_cadb(ctrl, channel, num_tests, t);
++ } else if (dq_pat == TURN_AROUND_WR || dq_pat == TURN_AROUND_ODT) {
++ union reut_seq_cfg_reg reut_seq_cfg = {
++ .raw = mchbar_read64(REUT_ch_SEQ_CFG(channel)),
++ };
++ reut_seq_cfg.subsequence_start_pointer = t;
++ reut_seq_cfg.subsequence_end_pointer = t;
++ mchbar_write64(REUT_ch_SEQ_CFG(channel), reut_seq_cfg.raw);
++ union reut_seq_addr_inc_ctl_reg addr_inc_ctl = {
++ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_INC_CTL(channel)),
++ };
++ uint8_t ta_inc_rate = 1;
++ if (dq_pat == TURN_AROUND_WR && (t == 0 || t == 7))
++ ta_inc_rate = 0;
++ else if (dq_pat == TURN_AROUND_ODT && (t == 0 || t == 2))
++ ta_inc_rate = 0;
++
++ /* Program increment rate as linear value */
++ addr_inc_ctl.rank_addr_update = BIT(7) | ta_inc_rate;
++ addr_inc_ctl.col_addr_update = BIT(7) | ta_inc_rate;
++ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel),
++ addr_inc_ctl.raw);
++ } else if (dq_pat == RD_RD_TA) {
++ tc_bank_rank_a[channel].tRDRD_sr = (t == 0) ? 4 : 5;
++ mchbar_write32(TC_BANK_RANK_A_ch(channel),
++ tc_bank_rank_a[channel].raw);
++ } else if (dq_pat == RD_RD_TA_ALL) {
++ /*
++ * Program tRDRD for SR and DR. Run 8 tests, covering
++ * tRDRD_sr = 4, 5, 6, 7 and tRDRD_dr = min, +1, +2, +3
++ */
++ const uint32_t tRDRD_dr = ctrl->tc_bankrank_a[channel].tRDRD_dr;
++ tc_bank_rank_a[channel].tRDRD_sr = (t % 4) + 4;
++ tc_bank_rank_a[channel].tRDRD_dr = (t % 4) + tRDRD_dr;
++ mchbar_write32(TC_BANK_RANK_A_ch(channel),
++ tc_bank_rank_a[channel].raw);
++
++ /* Program linear rank increment rate */
++ union reut_seq_addr_inc_ctl_reg addr_inc_ctl = {
++ .raw = mchbar_read64(REUT_ch_SEQ_ADDR_INC_CTL(channel)),
++ };
++ addr_inc_ctl.rank_addr_update = BIT(7) | (t / 4) ? 0 : 31;
++ mchbar_write64(REUT_ch_SEQ_ADDR_INC_CTL(channel),
++ addr_inc_ctl.raw);
++ }
++ }
++ bool test_soe = false;
++ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
++ if (!(chanmask & BIT(channel)))
++ continue;
++
++ const union reut_err_ctl_reg reut_err_ctl = {
++ .raw = mchbar_read32(REUT_ch_ERR_CONTROL(channel)),
++ };
++ const uint8_t soe = reut_err_ctl.stop_on_error_control;
++ if (soe != NSOE) {
++ test_soe = true;
++ break;
++ }
++ }
++ io_reset();
++ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) {
++ .start_test = 1,
++ .clear_errors = clear_errors && t == 0,
++ }.raw);
++ struct mono_time prev, curr;
++ timer_monotonic_get(&prev);
++ union reut_global_err_reg global_err;
++ do {
++ global_err.raw = mchbar_read32(REUT_GLOBAL_ERR);
++ /** TODO: Clean up this mess **/
++ timer_monotonic_get(&curr);
++ if (mono_time_diff_microseconds(&prev, &curr) > 1000 * 1000) {
++ mchbar_write32(REUT_GLOBAL_CTL, (union reut_seq_ctl_reg) {
++ .stop_test = 1,
++ }.raw);
++ printk(BIOS_ERR, "REUT timed out, ch_done: %x\n",
++ global_err.ch_test_done);
++ break;
++ }
++ } while ((global_err.ch_test_done & chanmask) != chanmask);
++ if (test_soe && global_err.ch_error & chanmask)
++ break;
++ }
++ if (is_turnaround) {
++ for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
++ if (!(chanmask & BIT(channel)))
++ continue;
++
++ mchbar_write32(TC_BANK_RANK_A_ch(channel),
++ ctrl->tc_bankrank_a[channel].raw);
++ }
++ }
++ return ((union reut_global_err_reg)mchbar_read32(REUT_GLOBAL_ERR)).ch_error;
++}
+diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h
+index f8408e51a0..817a9f8bf8 100644
+--- a/src/northbridge/intel/haswell/registers/mchbar.h
++++ b/src/northbridge/intel/haswell/registers/mchbar.h
+@@ -94,20 +94,35 @@
+ #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_CFG(ch) _MCMAIN_C(0x4040, 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 REUT_ch_PAT_WDB_INV(ch) _MCMAIN_C(0x4084, ch)
++
++#define REUT_ch_ERR_CONTROL(ch) _MCMAIN_C(0x4098, ch)
++#define REUT_ch_ERR_ECC_MASK(ch) _MCMAIN_C(0x409c, ch)
++
+ #define SC_WR_ADD_DELAY_ch(ch) _MCMAIN_C(0x40d0, ch)
+
++#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_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)
++#define REUT_ch_PAT_CADB_MUX_x(ch, x) _MCMAIN_C_X(0x41a4, ch, x) /* x in 0 .. 2 */
+
++#define REUT_ch_PAT_CADB_CL_MUX_LMN(ch) _MCMAIN_C(0x41b0, ch)
+ #define REUT_ch_PAT_CADB_WRITE_PTR(ch) _MCMAIN_C(0x41bc, ch)
+ #define REUT_ch_PAT_CADB_PROG(ch) _MCMAIN_C(0x41c0, ch)
+
++#define REUT_ch_WDB_CL_CTRL(ch) _MCMAIN_C(0x4200, 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)
+@@ -119,12 +134,27 @@
+ #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_CTL 0x4800
+ #define REUT_GLOBAL_ERR 0x4804
+
++#define REUT_ch_SUBSEQ_x_CTL(ch, x) (0x4808 + 40 * (ch) + 4 * (x))
++
+ #define REUT_ch_SEQ_CFG(ch) (0x48a8 + 8 * (ch))
+
+ #define REUT_ch_SEQ_CTL(ch) (0x48b8 + 4 * (ch))
+
++#define REUT_ch_SEQ_ADDR_START(ch) (0x48d8 + 8 * (ch))
++
++#define REUT_ch_SEQ_ADDR_WRAP(ch) (0x48e8 + 8 * (ch))
++
++#define REUT_ch_SEQ_MISC_CTL(ch) (0x4908 + 4 * (ch))
++
++#define REUT_ch_SEQ_ADDR_INC_CTL(ch) (0x4910 + 8 * (ch))
++
++#define REUT_ch_RANK_LOG_TO_PHYS(ch) (0x4930 + 4 * (ch)) /* 4 bits per rank */
++
++#define HSW_REUT_ch_SEQ_LOOP_COUNT(ch) (0x4980 + 4 * (ch)) /* *** only on C0 *** */
++
+ /* MCMAIN broadcast */
+ #define MCSCHEDS_CBIT 0x4c20
+
+--
+2.39.2
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-15 13:29:02 +0000