Patrick Georgi | 593124d | 2020-05-10 19:44:08 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
| 6 | #include <inttypes.h> |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 7 | #include <errno.h> |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 8 | #include "inteltool.h" |
| 9 | |
| 10 | extern volatile uint8_t *mchbar; |
| 11 | |
| 12 | static uint32_t read_mchbar32(uint32_t addr) |
| 13 | { |
| 14 | return *(volatile uint32_t *)(mchbar + addr); |
| 15 | } |
| 16 | |
| 17 | static void |
| 18 | print_time(const char *string, unsigned long long time, unsigned long long tCK) |
| 19 | { |
| 20 | printf(".%s = %lld /* %lld clocks = %.3lf ns */,\n", |
| 21 | string, time, time, (time * tCK) / 256.0); |
| 22 | } |
| 23 | |
| 24 | static unsigned int |
| 25 | make_spd_time(unsigned long long time, unsigned long long tCK) |
| 26 | { |
| 27 | return (time * tCK) >> 5; |
| 28 | } |
| 29 | |
| 30 | static u16 spd_ddr3_calc_crc(u8 * spd) |
| 31 | { |
| 32 | int n_crc, i; |
| 33 | u8 *ptr; |
| 34 | u16 crc; |
| 35 | |
| 36 | /* Find the number of bytes covered by CRC */ |
| 37 | if (spd[0] & 0x80) { |
| 38 | n_crc = 117; |
| 39 | } else { |
| 40 | n_crc = 126; |
| 41 | } |
| 42 | |
| 43 | /* Compute the CRC */ |
| 44 | crc = 0; |
| 45 | ptr = spd; |
| 46 | while (--n_crc >= 0) { |
| 47 | crc = crc ^ (int)*ptr++ << 8; |
| 48 | for (i = 0; i < 8; ++i) |
| 49 | if (crc & 0x8000) { |
| 50 | crc = crc << 1 ^ 0x1021; |
| 51 | } else { |
| 52 | crc = crc << 1; |
| 53 | } |
| 54 | } |
| 55 | return crc; |
| 56 | } |
| 57 | |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 58 | void ivybridge_dump_timings(const char *dump_spd_file) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 59 | { |
| 60 | u32 mr0[2]; |
| 61 | u32 mr1[2]; |
| 62 | u32 reg; |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 63 | unsigned int CAS[2] = { 0 }; |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 64 | int tWR = 0, tRFC = 0; |
| 65 | int tFAW[2], tWTR[2], tCKE[2], tRTP[2], tRRD[2]; |
| 66 | int channel, slot; |
| 67 | u32 reg_4004_b30[2] = { 0, 0 }; |
| 68 | unsigned int tREFI; |
| 69 | int rankmap[2]; |
| 70 | u32 mad_dimm[2]; |
| 71 | unsigned int tRCD[2], tXP[2], tXPDLL[2], tRAS[2], tCWL[2], tRP[2], |
| 72 | tAONPD[2]; |
| 73 | unsigned int tXSOffset; |
| 74 | int two_channels = 1; |
| 75 | struct slot_info { |
| 76 | unsigned int size_mb; |
| 77 | unsigned int ranks; |
| 78 | unsigned int width; |
| 79 | } slots[2][2]; |
| 80 | unsigned int tCK; |
| 81 | u8 spd[2][2][256]; |
| 82 | |
| 83 | memset(slots, 0, sizeof(slots)); |
| 84 | |
| 85 | for (channel = 0; channel < 2; channel++) { |
| 86 | rankmap[channel] = read_mchbar32(0xc14 + 0x100 * channel) >> 24; |
| 87 | } |
| 88 | |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 89 | if ((rankmap[0] == 0) && (rankmap[1] == 0)) { |
| 90 | fputs("Error: no memory channels found\n", stderr); |
| 91 | exit(1); |
| 92 | } |
| 93 | |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 94 | two_channels = rankmap[0] && rankmap[1]; |
| 95 | |
| 96 | mr0[0] = read_mchbar32(0x0004); |
| 97 | mr1[0] = read_mchbar32(0x0008); |
| 98 | mr0[1] = read_mchbar32(0x0104); |
| 99 | mr1[1] = read_mchbar32(0x0108); |
| 100 | |
| 101 | if (mr0[0] != mr0[1] && two_channels) |
| 102 | printf("MR0 mismatch: %x, %x\n", mr0[0], mr0[1]); |
| 103 | if (mr1[0] != mr1[1] && two_channels) |
| 104 | printf("MR1 mismatch: %x, %x\n", mr1[0], mr1[1]); |
| 105 | |
| 106 | reg = read_mchbar32(0x5e00) & ~0x80000000; |
| 107 | printf(" .tCK = TCK_MHZ%d,\n", 400 * reg / 3); |
| 108 | |
| 109 | tCK = (64 * 10 * 3) / reg; |
| 110 | |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 111 | for (channel = 0; channel < 2; channel++) { |
| 112 | mad_dimm[channel] = read_mchbar32(0x5004 + 4 * channel); |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 113 | |
| 114 | if (mr0[channel]) { |
| 115 | if (mr0[channel] & 1) { |
| 116 | CAS[channel] = ((mr0[channel] >> 4) & 0x7) + 12; |
| 117 | } else { |
| 118 | CAS[channel] = ((mr0[channel] >> 4) & 0x7) + 4; |
| 119 | } |
| 120 | } |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 121 | } |
| 122 | |
Elyes HAOUAS | de2918b | 2016-10-19 18:13:55 +0200 | [diff] [blame] | 123 | printf(".rankmap = { 0x%x, 0x%x },\n", rankmap[0], rankmap[1]); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 124 | |
Elyes HAOUAS | de2918b | 2016-10-19 18:13:55 +0200 | [diff] [blame] | 125 | printf(".mad_dimm = { 0x%x, 0x%x },\n", mad_dimm[0], mad_dimm[1]); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 126 | |
| 127 | for (channel = 0; channel < 2; channel++) |
| 128 | if (rankmap[channel]) { |
| 129 | int ctWR; |
| 130 | static const u8 mr0_wr_t[12] = |
| 131 | { 1, 2, 3, 4, 0, 5, 0, 6, 0, 7, 0, 0 }; |
| 132 | reg = read_mchbar32(0x4004 + 0x400 * channel); |
| 133 | |
| 134 | ctWR = (reg >> 24) & 0x3f; |
| 135 | if (tWR && ctWR != tWR) |
| 136 | printf("/* tWR mismatch: %d, %d */\n", tWR, |
| 137 | ctWR); |
| 138 | if (!tWR) |
| 139 | tWR = ctWR; |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 140 | if (mr0[channel] && ((mr0[channel] >> 9) & 7) != mr0_wr_t[tWR - 5]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 141 | printf("/* encoded tWR mismatch: %d, %d */\n", |
| 142 | ((mr0[channel] >> 9) & 7), |
| 143 | mr0_wr_t[tWR - 5]); |
| 144 | reg_4004_b30[channel] = reg >> 30; |
| 145 | tFAW[channel] = (reg >> 16) & 0xff; |
| 146 | tWTR[channel] = (reg >> 12) & 0xf; |
| 147 | tCKE[channel] = (reg >> 8) & 0xf; |
| 148 | tRTP[channel] = (reg >> 4) & 0xf; |
| 149 | tRRD[channel] = (reg >> 0) & 0xf; |
| 150 | |
| 151 | reg = read_mchbar32(0x4000 + 0x400 * channel); |
| 152 | tRAS[channel] = reg >> 16; |
| 153 | tCWL[channel] = (reg >> 12) & 0xf; |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 154 | if (CAS[channel]) { |
| 155 | if (CAS[channel] != ((reg >> 8) & 0xf)) |
| 156 | printf("/* CAS mismatch: %d, %d. */\n", CAS[channel], |
| 157 | (reg >> 8) & 0xf); |
| 158 | } else { |
| 159 | CAS[channel] = (reg >> 8) & 0xf; |
| 160 | } |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 161 | tRP[channel] = (reg >> 4) & 0xf; |
| 162 | tRCD[channel] = reg & 0xf; |
| 163 | |
| 164 | reg = read_mchbar32(0x400c + channel * 0x400); |
| 165 | tXPDLL[channel] = reg & 0x1f; |
| 166 | tXP[channel] = (reg >> 5) & 7; |
Angel Pons | 0b6ab953 | 2020-11-19 12:13:09 +0100 | [diff] [blame] | 167 | tAONPD[channel] = (reg >> 8) & 0xf; |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 168 | } |
| 169 | printf(".mobile = %d,\n", (mr0[0] >> 12) & 1); |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 170 | |
| 171 | if (two_channels && CAS[0] != CAS[1]) |
| 172 | printf("/* CAS mismatch: %d, %d */\n", CAS[0], CAS[1]); |
| 173 | print_time("CAS", CAS[0], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 174 | print_time("tWR", tWR, tCK); |
| 175 | |
| 176 | printf(".reg_4004_b30 = { %d, %d },\n", reg_4004_b30[0], |
| 177 | reg_4004_b30[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 178 | |
| 179 | channel = (rankmap[0] != 0) ? 0 : 1; |
| 180 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 181 | if (two_channels && tFAW[0] != tFAW[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 182 | printf("/* tFAW mismatch: %d, %d */\n", tFAW[0], tFAW[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 183 | print_time("tFAW", tFAW[channel], tCK); |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 184 | if (two_channels && tWTR[0] != tWTR[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 185 | printf("/* tWTR mismatch: %d, %d */\n", tWTR[0], tWTR[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 186 | print_time("tWTR", tWTR[channel], tCK); |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 187 | if (two_channels && tCKE[0] != tCKE[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 188 | printf("/* tCKE mismatch: %d, %d */\n", tCKE[0], tCKE[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 189 | print_time("tCKE", tCKE[channel], tCK); |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 190 | if (two_channels && tRTP[0] != tRTP[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 191 | printf("/* tRTP mismatch: %d, %d */\n", tRTP[0], tRTP[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 192 | print_time("tRTP", tRTP[channel], tCK); |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 193 | if (two_channels && tRRD[0] != tRRD[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 194 | printf("/* tRRD mismatch: %d, %d */\n", tRRD[0], tRRD[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 195 | print_time("tRRD", tRRD[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 196 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 197 | if (two_channels && tRAS[0] != tRAS[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 198 | printf("/* tRAS mismatch: %d, %d */\n", tRAS[0], tRAS[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 199 | print_time("tRAS", tRAS[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 200 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 201 | if (two_channels && tCWL[0] != tCWL[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 202 | printf("/* tCWL mismatch: %d, %d */\n", tCWL[0], tCWL[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 203 | print_time("tCWL", tCWL[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 204 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 205 | if (two_channels && tRP[0] != tRP[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 206 | printf("/* tRP mismatch: %d, %d */\n", tRP[0], tRP[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 207 | print_time("tRP", tRP[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 208 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 209 | if (two_channels && tRCD[0] != tRCD[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 210 | printf("/* tRCD mismatch: %d, %d */\n", tRCD[0], tRCD[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 211 | print_time("tRCD", tRCD[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 212 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 213 | if (two_channels && tXPDLL[0] != tXPDLL[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 214 | printf("/* tXPDLL mismatch: %d, %d */\n", tXPDLL[0], tXPDLL[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 215 | print_time("tXPDLL", tXPDLL[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 216 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 217 | if (two_channels && tXP[0] != tXP[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 218 | printf("/* tXP mismatch: %d, %d */\n", tXP[0], tXP[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 219 | print_time("tXP", tXP[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 220 | |
Jacob Garber | 94d61ec | 2019-04-10 11:51:58 -0600 | [diff] [blame] | 221 | if (two_channels && tAONPD[0] != tAONPD[1]) |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 222 | printf("/* tAONPD mismatch: %d, %d */\n", tAONPD[0], tAONPD[1]); |
Jacob Garber | a754407 | 2019-05-09 14:24:02 -0600 | [diff] [blame] | 223 | print_time("tAONPD", tAONPD[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 224 | |
| 225 | reg = read_mchbar32(0x4298); |
| 226 | if (reg != read_mchbar32(0x4698) && two_channels) |
| 227 | printf("/* 4298 mismatch: %d, %d */\n", reg, |
| 228 | read_mchbar32(0x4698)); |
| 229 | |
| 230 | tREFI = reg & 0xffff; |
| 231 | print_time("tREFI", tREFI, tCK); |
| 232 | if ((tREFI * 9 / 1024) != (reg >> 25)) |
| 233 | printf("/* tREFI mismatch: %d, %d */\n", tREFI * 9 / 1024, |
| 234 | (reg >> 25)); |
| 235 | tRFC = (reg >> 16) & 0x1ff; |
| 236 | print_time("tRFC", tRFC, tCK); |
| 237 | |
| 238 | reg = read_mchbar32(0x42a4); |
| 239 | if (reg != read_mchbar32(0x46a4) && two_channels) |
| 240 | printf("/* 42a4 mismatch: %d, %d */\n", reg, |
| 241 | read_mchbar32(0x46a4)); |
| 242 | |
| 243 | print_time("tMOD", 8 + ((reg >> 28) & 0xf), tCK); |
| 244 | |
| 245 | tXSOffset = 512 - ((reg >> 16) & 0x3ff); |
| 246 | print_time("tXSOffset", tXSOffset, tCK); |
| 247 | if (tXSOffset != ((reg >> 12) & 0xf)) |
| 248 | printf("/* tXSOffset mismatch: %d, %d */\n", |
| 249 | tXSOffset, (reg >> 12) & 0xf); |
| 250 | if (512 != (reg & 0xfff)) |
| 251 | printf("/* tDLLK mismatch: %d, %d */\n", 512, reg & 0xfff); |
| 252 | |
| 253 | reg = read_mchbar32(0x5064); |
| 254 | printf(".reg5064b0 = 0x%x,\n", reg & 0xfff); |
| 255 | if ((reg >> 12) != 0x73) |
| 256 | printf("/* mismatch 0x%x, 0x73. */\n", reg << 12); |
| 257 | |
| 258 | unsigned int ch0size, ch1size; |
| 259 | |
| 260 | switch (read_mchbar32(0x5000)) { |
| 261 | case 0x24: |
| 262 | reg = read_mchbar32(0x5014); |
| 263 | ch1size = reg >> 24; |
| 264 | if (((reg >> 16) & 0xff) != 2 * ch1size) |
| 265 | printf("/* ch1size mismatch: %d, %d*/\n", |
| 266 | 2 * ch1size, ((ch1size >> 16) & 0xff)); |
| 267 | printf(".channel_size_mb = { ?, %d },\n", ch1size * 256); |
| 268 | break; |
| 269 | case 0x21: |
| 270 | reg = read_mchbar32(0x5014); |
| 271 | ch0size = reg >> 24; |
| 272 | if (((reg >> 16) & 0xff) != 2 * ch0size) |
| 273 | printf("/* ch0size mismatch: %d, %d*/\n", |
| 274 | 2 * ch0size, ((ch0size >> 16) & 0xff)); |
| 275 | printf(".channel_size_mb = { %d, ? },\n", ch0size * 256); |
| 276 | break; |
| 277 | } |
| 278 | |
| 279 | for (channel = 0; channel < 2; channel++) { |
| 280 | reg = mad_dimm[channel]; |
| 281 | int swap = (reg >> 16) & 1; |
| 282 | slots[channel][swap].size_mb = (reg & 0xff) * 256; |
| 283 | slots[channel][swap].ranks = 1 + ((reg >> 17) & 1); |
| 284 | slots[channel][swap].width = 8 + 8 * ((reg >> 19) & 1); |
| 285 | slots[channel][!swap].size_mb = ((reg >> 8) & 0xff) * 256; |
| 286 | slots[channel][!swap].ranks = 1 + ((reg >> 18) & 1); |
| 287 | slots[channel][!swap].width = 8 + 8 * ((reg >> 20) & 1); |
| 288 | } |
| 289 | /* Undetermined: rank mirror, other modes, asr, ext_temp. */ |
| 290 | memset(spd, 0, sizeof(spd)); |
| 291 | for (channel = 0; channel < 2; channel++) |
| 292 | for (slot = 0; slot < 2; slot++) |
| 293 | if (slots[channel][slot].size_mb) { |
| 294 | printf("/* CH%dS%d: %d MiB */\n", channel, |
| 295 | slot, slots[channel][slot].size_mb); |
| 296 | } |
| 297 | for (channel = 0; channel < 2; channel++) |
| 298 | for (slot = 0; slot < 2; slot++) |
| 299 | if (slots[channel][slot].size_mb) { |
| 300 | int capacity_shift; |
| 301 | unsigned int ras, rc, rfc, faw; |
| 302 | u16 crc; |
| 303 | capacity_shift = |
| 304 | ffs(slots[channel][slot].size_mb * |
| 305 | slots[channel][slot].width / |
| 306 | (slots[channel][slot].ranks * 64)) - 1 - |
| 307 | 5; |
| 308 | |
| 309 | spd[channel][slot][0] = 0x92; |
| 310 | spd[channel][slot][1] = 0x11; |
| 311 | spd[channel][slot][2] = 0xb; /* DDR3 */ |
| 312 | spd[channel][slot][3] = 3; /* SODIMM, should we use another type for desktop? */ |
| 313 | spd[channel][slot][4] = capacity_shift | 0; /* 8 Banks. */ |
| 314 | spd[channel][slot][5] = 0; /* FIXME */ |
| 315 | spd[channel][slot][6] = 0; /* FIXME */ |
| 316 | spd[channel][slot][7] = |
| 317 | ((slots[channel][slot].ranks - |
| 318 | 1) << 3) | (ffs(slots[channel][slot]. |
| 319 | width) - 1 - 2); |
| 320 | spd[channel][slot][8] = 3; /* Bus width 64b. No ECC yet. */ |
| 321 | spd[channel][slot][9] = 0x52; /* 2.5ps. FIXME: choose dynamically if needed. */ |
| 322 | spd[channel][slot][10] = 0x01; |
| 323 | spd[channel][slot][11] = 0x08; /* 1/8 ns. FIXME: choose dynamically if needed. */ |
| 324 | spd[channel][slot][12] = make_spd_time(1, tCK); |
| 325 | spd[channel][slot][13] = 0; |
| 326 | spd[channel][slot][14] = |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 327 | (1 << (CAS[channel] - 4)) & 0xff; |
| 328 | spd[channel][slot][15] = (1 << (CAS[channel] - 4)) >> 8; |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 329 | spd[channel][slot][16] = |
Angel Pons | 121d2de | 2020-11-19 12:20:37 +0100 | [diff] [blame] | 330 | make_spd_time(CAS[channel], tCK); |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 331 | spd[channel][slot][17] = |
| 332 | make_spd_time(tWR, tCK); |
| 333 | spd[channel][slot][18] = |
| 334 | make_spd_time(tRCD[channel], tCK); |
| 335 | spd[channel][slot][19] = |
| 336 | make_spd_time(tRRD[channel], tCK); |
| 337 | spd[channel][slot][20] = |
| 338 | make_spd_time(tRP[channel], tCK); |
| 339 | ras = make_spd_time(tRAS[channel], tCK); |
| 340 | rc = 0x181; /* FIXME: should be make_spd_time(tRC, tCK). */ |
| 341 | spd[channel][slot][22] = ras; |
| 342 | spd[channel][slot][23] = rc; |
| 343 | spd[channel][slot][21] = |
| 344 | ((ras >> 8) & 0xf) | ((rc >> 4) & 0xf0); |
| 345 | rfc = make_spd_time(tRFC, tCK); |
| 346 | spd[channel][slot][24] = rfc; |
| 347 | spd[channel][slot][25] = rfc >> 8; |
| 348 | spd[channel][slot][26] = |
| 349 | make_spd_time(tWTR[channel], tCK); |
| 350 | spd[channel][slot][27] = |
| 351 | make_spd_time(tRTP[channel], tCK); |
| 352 | faw = make_spd_time(tFAW[channel], tCK); |
| 353 | spd[channel][slot][28] = faw >> 8; |
| 354 | spd[channel][slot][29] = faw; |
| 355 | spd[channel][slot][30] = 0; /* FIXME */ |
| 356 | spd[channel][slot][31] = 0; /* FIXME */ |
| 357 | spd[channel][slot][32] = 0; /* FIXME */ |
| 358 | spd[channel][slot][33] = 0; /* FIXME */ |
| 359 | spd[channel][slot][62] = 0x65; /* Reference card F. FIXME */ |
| 360 | spd[channel][slot][63] = 0; /* FIXME */ |
| 361 | crc = spd_ddr3_calc_crc(spd[channel][slot]); |
| 362 | spd[channel][slot][126] = crc; |
| 363 | spd[channel][slot][127] = crc >> 8; |
| 364 | } |
| 365 | |
| 366 | printf("/* SPD matching current mode: */\n"); |
| 367 | |
Stefan Tauner | 572f074 | 2016-05-05 17:29:39 +0200 | [diff] [blame] | 368 | FILE *dump_spd = NULL; |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 369 | |
| 370 | if (dump_spd_file) { |
| 371 | dump_spd = fopen (dump_spd_file, "wb"); |
| 372 | if (!dump_spd) { |
| 373 | fprintf (stderr, "Couldn't open file %s: %s\n", dump_spd_file, |
| 374 | strerror (errno)); |
| 375 | exit (1); |
| 376 | } |
| 377 | } |
| 378 | |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 379 | for (channel = 0; channel < 2; channel++) |
| 380 | for (slot = 0; slot < 2; slot++) |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 381 | { |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 382 | if (slots[channel][slot].size_mb) { |
| 383 | int i; |
| 384 | |
| 385 | printf("/* CH%dS%d */\n", channel, slot); |
| 386 | |
| 387 | for (i = 0; i < 256; i++) { |
| 388 | if ((i & 0xf) == 0x0) |
| 389 | printf("%02x: ", i); |
| 390 | printf("%02x ", spd[channel][slot][i]); |
| 391 | if ((i & 0xf) == 0xf) |
| 392 | printf("\n"); |
| 393 | } |
| 394 | printf("\n"); |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 395 | |
| 396 | if (dump_spd) { |
| 397 | fwrite(spd[channel][slot], 1, 256, dump_spd); |
| 398 | } |
| 399 | } else { |
| 400 | if (dump_spd) { |
| 401 | char zero[256]; |
| 402 | memset (zero, 0, 256); |
| 403 | fwrite(zero, 1, 256, dump_spd); |
| 404 | } |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 405 | } |
Vladimir Serbinenko | fb69a69 | 2015-10-10 13:20:32 +0200 | [diff] [blame] | 406 | } |
| 407 | if (dump_spd) { |
| 408 | fclose (dump_spd); |
| 409 | } |
Vladimir Serbinenko | 44bc11c | 2014-08-16 19:14:02 +0200 | [diff] [blame] | 410 | |
| 411 | } |