Patrick Georgi | ac95903 | 2020-05-05 22:49:26 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2 | |
Elyes HAOUAS | 1bc7b6e | 2019-05-05 16:29:41 +0200 | [diff] [blame] | 3 | #include <cf9_reset.h> |
Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 4 | #include <device/mmio.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 5 | #include <device/pci_ops.h> |
Kyösti Mälkki | 1a1b04e | 2020-01-07 22:34:33 +0200 | [diff] [blame] | 6 | #include <device/smbus_host.h> |
Elyes HAOUAS | f97c1c9 | 2019-12-03 18:22:06 +0100 | [diff] [blame] | 7 | #include <commonlib/helpers.h> |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 8 | #include <console/console.h> |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 9 | #include <delay.h> |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 10 | #include <lib.h> |
Angel Pons | eef4343 | 2021-01-12 22:25:28 +0100 | [diff] [blame] | 11 | #include <southbridge/intel/common/hpet.h> |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 12 | #include "pineview.h" |
| 13 | #include "raminit.h" |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 14 | #include <spd.h> |
| 15 | #include <string.h> |
| 16 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 17 | /* Debugging macros */ |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 18 | #if CONFIG(DEBUG_RAM_SETUP) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 19 | #define PRINTK_DEBUG(x...) printk(BIOS_DEBUG, x) |
| 20 | #else |
| 21 | #define PRINTK_DEBUG(x...) |
| 22 | #endif |
| 23 | |
| 24 | #define MAX_TCLK_667 0x30 |
| 25 | #define MAX_TCLK_800 0x25 |
| 26 | #define MAX_TAC_667 0x45 |
| 27 | #define MAX_TAC_800 0x40 |
| 28 | |
| 29 | #define NOP_CMD (1 << 1) |
| 30 | #define PRE_CHARGE_CMD (1 << 2) |
| 31 | #define MRS_CMD ((1 << 2) | (1 << 1)) |
| 32 | #define EMRS_CMD (1 << 3) |
| 33 | #define EMRS1_CMD (EMRS_CMD | (1 << 4)) |
| 34 | #define EMRS2_CMD (EMRS_CMD | (1 << 5)) |
| 35 | #define EMRS3_CMD (EMRS_CMD | (1 << 5) | (1 << 4)) |
| 36 | #define ZQCAL_CMD ((1 << 3) | (1 << 1)) |
| 37 | #define CBR_CMD ((1 << 3) | (1 << 2)) |
| 38 | #define NORMAL_OP_CMD ((1 << 3) | (1 << 2) | (1 << 1)) |
| 39 | |
| 40 | #define UBDIMM 1 |
| 41 | #define SODIMM 2 |
| 42 | |
| 43 | #define TOTAL_CHANNELS 1 |
| 44 | #define TOTAL_DIMMS 2 |
| 45 | |
| 46 | #define DIMM_IS_POPULATED(dimms, idx) (dimms[idx].card_type != 0) |
| 47 | #define IF_DIMM_POPULATED(dimms, idx) if (dimms[idx].card_type != 0) |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 48 | #define ONLY_DIMMA_IS_POPULATED(dimms, ch) (\ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 49 | (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ |
| 50 | !DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3))) |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 51 | #define ONLY_DIMMB_IS_POPULATED(dimms, ch) (\ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 52 | (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3) && \ |
| 53 | !DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2))) |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 54 | #define BOTH_DIMMS_ARE_POPULATED(dimms, ch) (\ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 55 | (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ |
| 56 | (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3)))) |
| 57 | #define FOR_EACH_DIMM(idx) \ |
| 58 | for (idx = 0; idx < TOTAL_DIMMS; ++idx) |
| 59 | #define FOR_EACH_POPULATED_DIMM(dimms, idx) \ |
| 60 | FOR_EACH_DIMM(idx) IF_DIMM_POPULATED(dimms, idx) |
| 61 | #define CHANNEL_IS_POPULATED(dimms, idx) ((dimms[idx<<1].card_type != 0) || (dimms[(idx<<1) + 1].card_type != 0)) |
| 62 | #define CHANNEL_IS_CARDF(dimms, idx) ((dimms[idx<<1].card_type == 0xf) || (dimms[(idx<<1) + 1].card_type == 0xf)) |
| 63 | #define IF_CHANNEL_POPULATED(dimms, idx) if ((dimms[idx<<1].card_type != 0) || (dimms[(idx<<1) + 1].card_type != 0)) |
| 64 | #define FOR_EACH_CHANNEL(idx) \ |
| 65 | for (idx = 0; idx < TOTAL_CHANNELS; ++idx) |
| 66 | #define FOR_EACH_POPULATED_CHANNEL(dimms, idx) \ |
| 67 | FOR_EACH_CHANNEL(idx) IF_CHANNEL_POPULATED(dimms, idx) |
| 68 | |
| 69 | #define RANKS_PER_CHANNEL 4 |
| 70 | |
| 71 | #define FOR_EACH_RANK_IN_CHANNEL(r) \ |
| 72 | for (r = 0; r < RANKS_PER_CHANNEL; ++r) |
| 73 | #define FOR_EACH_POPULATED_RANK_IN_CHANNEL(dimms, ch, r) \ |
| 74 | FOR_EACH_RANK_IN_CHANNEL(r) if (rank_is_populated(dimms, ch, r)) |
| 75 | #define FOR_EACH_RANK(ch, r) \ |
| 76 | FOR_EACH_CHANNEL(ch) FOR_EACH_RANK_IN_CHANNEL(r) |
| 77 | #define FOR_EACH_POPULATED_RANK(dimms, ch, r) \ |
| 78 | FOR_EACH_RANK(ch, r) if (rank_is_populated(dimms, ch, r)) |
| 79 | |
| 80 | static bool rank_is_populated(struct dimminfo dimms[], u8 ch, u8 r) |
| 81 | { |
| 82 | return ((dimms[ch<<1].card_type && ((r) < dimms[ch<<1].ranks)) |
| 83 | || (dimms[(ch<<1) + 1].card_type |
| 84 | && ((r) >= 2) |
| 85 | && ((r) < (dimms[(ch<<1) + 1].ranks + 2)))); |
| 86 | } |
| 87 | |
| 88 | static inline void barrier(void) |
| 89 | { |
| 90 | __asm__ __volatile__("": : :"memory"); |
| 91 | } |
| 92 | |
Arthur Heymans | 097d753 | 2017-04-17 10:14:32 +0200 | [diff] [blame] | 93 | static int decode_spd(struct dimminfo *d, int i) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 94 | { |
| 95 | d->type = 0; |
| 96 | if (d->spd_data[20] == 0x2) { |
| 97 | d->type = UBDIMM; |
| 98 | } else if (d->spd_data[20] == 0x4) { |
| 99 | d->type = SODIMM; |
| 100 | } |
| 101 | d->sides = (d->spd_data[5] & 0x7) + 1; |
| 102 | d->banks = (d->spd_data[17] >> 2) - 1; |
| 103 | d->chip_capacity = d->banks; |
| 104 | d->rows = d->spd_data[3];// - 12; |
| 105 | d->cols = d->spd_data[4];// - 9; |
| 106 | d->cas_latencies = 0x78; |
| 107 | d->cas_latencies &= d->spd_data[18]; |
| 108 | if (d->cas_latencies == 0) |
| 109 | d->cas_latencies = 7; |
| 110 | d->tAAmin = d->spd_data[26]; |
| 111 | d->tCKmin = d->spd_data[25]; |
| 112 | d->width = (d->spd_data[13] >> 3) - 1; |
| 113 | d->page_size = (d->width+1) * (1 << d->cols); // Bytes |
| 114 | d->tRAS = d->spd_data[30]; |
| 115 | d->tRP = d->spd_data[27]; |
| 116 | d->tRCD = d->spd_data[29]; |
| 117 | d->tWR = d->spd_data[36]; |
| 118 | d->ranks = d->sides; // XXX |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 119 | #if CONFIG(DEBUG_RAM_SETUP) |
Arthur Heymans | 097d753 | 2017-04-17 10:14:32 +0200 | [diff] [blame] | 120 | const char *ubso[2] = { "UB", "SO" }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 121 | #endif |
| 122 | PRINTK_DEBUG("%s-DIMM %d\n", &ubso[d->type][0], i); |
| 123 | PRINTK_DEBUG(" Sides : %d\n", d->sides); |
| 124 | PRINTK_DEBUG(" Banks : %d\n", d->banks); |
| 125 | PRINTK_DEBUG(" Ranks : %d\n", d->ranks); |
| 126 | PRINTK_DEBUG(" Rows : %d\n", d->rows); |
| 127 | PRINTK_DEBUG(" Cols : %d\n", d->cols); |
| 128 | PRINTK_DEBUG(" Page size : %d\n", d->page_size); |
| 129 | PRINTK_DEBUG(" Width : %d\n", (d->width + 1) * 8); |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 134 | /* |
| 135 | * RAM Config: DIMMB-DIMMA |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 136 | * 0 EMPTY-EMPTY |
| 137 | * 1 EMPTY-x16SS |
| 138 | * 2 EMPTY-x16DS |
| 139 | * 3 x16SS-x16SS |
| 140 | * 4 x16DS-x16DS |
| 141 | * 5 EMPTY- x8DS |
| 142 | * 6 x8DS - x8DS |
| 143 | */ |
| 144 | static void find_ramconfig(struct sysinfo *s, u32 chan) |
| 145 | { |
| 146 | if (s->dimms[chan>>1].sides == 0) { |
| 147 | // NC |
| 148 | if (s->dimms[(chan>>1) + 1].sides == 0) { |
| 149 | // NC/NC |
| 150 | s->dimm_config[chan] = 0; |
| 151 | } else if (s->dimms[(chan>>1) + 1].sides == 1) { |
Elyes Haouas | 3a54f4a | 2022-12-05 18:49:40 +0100 | [diff] [blame] | 152 | // NC/{8,16}SS |
| 153 | s->dimm_config[chan] = 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 154 | } else { |
| 155 | // NC/DS |
| 156 | if (s->dimms[(chan>>1) + 1].width == 0) { |
| 157 | // NC/8DS |
| 158 | s->dimm_config[chan] = 5; |
| 159 | } else { |
| 160 | // NC/16DS |
| 161 | s->dimm_config[chan] = 2; |
| 162 | } |
| 163 | } |
| 164 | } else if (s->dimms[chan>>1].sides == 1) { |
| 165 | // SS |
| 166 | if (s->dimms[(chan>>1) + 1].sides == 0) { |
Elyes Haouas | 3a54f4a | 2022-12-05 18:49:40 +0100 | [diff] [blame] | 167 | // {8,16}SS/NC |
| 168 | s->dimm_config[chan] = 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 169 | } else if (s->dimms[(chan>>1) + 1].sides == 1) { |
| 170 | // SS/SS |
| 171 | if (s->dimms[chan>>1].width == 0) { |
| 172 | if (s->dimms[(chan>>1) + 1].width == 0) { |
| 173 | // 8SS/8SS |
| 174 | s->dimm_config[chan] = 3; |
| 175 | } else { |
| 176 | // 8SS/16SS |
| 177 | die("Mixed Not supported\n"); |
| 178 | } |
| 179 | } else { |
| 180 | if (s->dimms[(chan>>1) + 1].width == 0) { |
| 181 | // 16SS/8SS |
| 182 | die("Mixed Not supported\n"); |
| 183 | } else { |
| 184 | // 16SS/16SS |
| 185 | s->dimm_config[chan] = 3; |
| 186 | } |
| 187 | } |
| 188 | } else { |
Elyes Haouas | 3a54f4a | 2022-12-05 18:49:40 +0100 | [diff] [blame] | 189 | // {8,16}SS/8DS |
| 190 | die("Mixed Not supported\n"); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 191 | } |
| 192 | } else { |
| 193 | // DS |
| 194 | if (s->dimms[(chan>>1) + 1].sides == 0) { |
| 195 | // DS/NC |
| 196 | if (s->dimms[chan>>1].width == 0) { |
| 197 | // 8DS/NC |
| 198 | s->dimm_config[chan] = 5; |
| 199 | } else { |
| 200 | s->dimm_config[chan] = 4; |
| 201 | } |
| 202 | } else if (s->dimms[(chan>>1) + 1].sides == 1) { |
Elyes Haouas | 3a54f4a | 2022-12-05 18:49:40 +0100 | [diff] [blame] | 203 | // 8DS/{8,16}SS |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 204 | if (s->dimms[chan>>1].width == 0) { |
Elyes Haouas | 3a54f4a | 2022-12-05 18:49:40 +0100 | [diff] [blame] | 205 | die("Mixed Not supported\n"); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 206 | } else { |
| 207 | if (s->dimms[(chan>>1) + 1].width == 0) { |
| 208 | die("Mixed Not supported\n"); |
| 209 | } else { |
| 210 | // 16DS/16DS |
| 211 | s->dimm_config[chan] = 4; |
| 212 | } |
| 213 | } |
| 214 | } else { |
| 215 | // DS/DS |
| 216 | if (s->dimms[chan>>1].width == 0 && s->dimms[(chan>>1)+1].width == 0) { |
| 217 | // 8DS/8DS |
| 218 | s->dimm_config[chan] = 6; |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | static void sdram_read_spds(struct sysinfo *s) |
| 225 | { |
Arthur Heymans | 1f6369e | 2018-08-20 11:27:41 +0200 | [diff] [blame] | 226 | u8 i, chan; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 227 | s->dt0mode = 0; |
| 228 | FOR_EACH_DIMM(i) { |
Kyösti Mälkki | c01a505 | 2019-01-30 09:39:23 +0200 | [diff] [blame] | 229 | if (i2c_eeprom_read(s->spd_map[i], 0, 64, s->dimms[i].spd_data) != 64) |
Arthur Heymans | 1f6369e | 2018-08-20 11:27:41 +0200 | [diff] [blame] | 230 | s->dimms[i].card_type = 0; |
| 231 | |
| 232 | s->dimms[i].card_type = s->dimms[i].spd_data[62] & 0x1f; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 233 | hexdump(s->dimms[i].spd_data, 64); |
| 234 | } |
| 235 | |
| 236 | s->spd_type = 0; |
| 237 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
| 238 | switch (s->dimms[i].spd_data[2]) { |
| 239 | case 0x8: |
| 240 | s->spd_type = DDR2; |
| 241 | break; |
| 242 | case 0xb: |
| 243 | default: |
| 244 | die("DIMM type mismatch\n"); |
| 245 | break; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | int err = 1; |
| 250 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
Arthur Heymans | 097d753 | 2017-04-17 10:14:32 +0200 | [diff] [blame] | 251 | err = decode_spd(&s->dimms[i], i); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 252 | s->dt0mode |= (s->dimms[i].spd_data[49] & 0x2) >> 1; |
| 253 | } |
| 254 | if (err) { |
| 255 | die("No memory dimms, halt\n"); |
| 256 | } |
| 257 | |
| 258 | FOR_EACH_POPULATED_CHANNEL(s->dimms, chan) { |
| 259 | find_ramconfig(s, chan); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 260 | PRINTK_DEBUG(" Config[CH%d] : %d\n", chan, s->dimm_config[chan]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 261 | } |
| 262 | } |
| 263 | |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 264 | #if CONFIG(DEBUG_RAM_SETUP) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 265 | static u32 fsb_reg_to_mhz(u32 speed) |
| 266 | { |
| 267 | return (speed * 133) + 667; |
| 268 | } |
| 269 | |
| 270 | static u32 ddr_reg_to_mhz(u32 speed) |
| 271 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 272 | return (speed == 0) ? 667 : (speed == 1) ? 800 : 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 273 | } |
| 274 | #endif |
| 275 | |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 276 | // Return the position of the least significant set bit, 0-indexed. |
| 277 | // 0 does not have a lsb, so return -1 for error. |
| 278 | static int lsbpos(u8 val) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 279 | { |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 280 | for (int i = 0; i < 8; i++) |
| 281 | if (val & (1 << i)) |
| 282 | return i; |
| 283 | return -1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 284 | } |
| 285 | |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 286 | // Return the position of the most significant set bit, 0-indexed. |
| 287 | // 0 does not have a msb, so return -1 for error. |
| 288 | static int msbpos(u8 val) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 289 | { |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 290 | for (int i = 7; i >= 0; i--) |
| 291 | if (val & (1 << i)) |
| 292 | return i; |
| 293 | return -1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static void sdram_detect_smallest_params(struct sysinfo *s) |
| 297 | { |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 298 | static const u16 mult[6] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 299 | 3000, // 667 |
| 300 | 2500, // 800 |
| 301 | }; |
| 302 | |
| 303 | u8 i; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 304 | u32 maxtras = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 305 | u32 maxtrp = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 306 | u32 maxtrcd = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 307 | u32 maxtwr = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 308 | u32 maxtrfc = 0; |
| 309 | u32 maxtwtr = 0; |
| 310 | u32 maxtrrd = 0; |
| 311 | u32 maxtrtp = 0; |
| 312 | |
| 313 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 314 | maxtras = MAX(maxtras, (s->dimms[i].spd_data[30] * 1000)); |
| 315 | maxtrp = MAX(maxtrp, (s->dimms[i].spd_data[27] * 1000) >> 2); |
Elyes HAOUAS | f97c1c9 | 2019-12-03 18:22:06 +0100 | [diff] [blame] | 316 | maxtrcd = MAX(maxtrcd, (s->dimms[i].spd_data[29] * 1000) >> 2); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 317 | maxtwr = MAX(maxtwr, (s->dimms[i].spd_data[36] * 1000) >> 2); |
| 318 | maxtrfc = MAX(maxtrfc, (s->dimms[i].spd_data[42] * 1000) + |
| 319 | (s->dimms[i].spd_data[40] & 0xf)); |
Elyes HAOUAS | f97c1c9 | 2019-12-03 18:22:06 +0100 | [diff] [blame] | 320 | maxtwtr = MAX(maxtwtr, (s->dimms[i].spd_data[37] * 1000) >> 2); |
| 321 | maxtrrd = MAX(maxtrrd, (s->dimms[i].spd_data[28] * 1000) >> 2); |
| 322 | maxtrtp = MAX(maxtrtp, (s->dimms[i].spd_data[38] * 1000) >> 2); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 323 | } |
Arthur Heymans | 12a4e98 | 2017-04-28 20:53:05 +0200 | [diff] [blame] | 324 | /* |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 325 | * TODO: on DDR3 there might be some minimal required values for some |
Arthur Heymans | 12a4e98 | 2017-04-28 20:53:05 +0200 | [diff] [blame] | 326 | * Timings: MIN_TRAS = 9, MIN_TRP = 3, MIN_TRCD = 3, MIN_TWR = 3, |
| 327 | * MIN_TWTR = 4, MIN_TRRD = 2, MIN_TRTP = 4 |
| 328 | */ |
| 329 | s->selected_timings.tRAS = MIN(24, DIV_ROUND_UP(maxtras, |
| 330 | mult[s->selected_timings.mem_clock])); |
| 331 | s->selected_timings.tRP = MIN(10, DIV_ROUND_UP(maxtrp, |
| 332 | mult[s->selected_timings.mem_clock])); |
| 333 | s->selected_timings.tRCD = MIN(10, DIV_ROUND_UP(maxtrcd, |
| 334 | mult[s->selected_timings.mem_clock])); |
| 335 | s->selected_timings.tWR = MIN(15, DIV_ROUND_UP(maxtwr, |
| 336 | mult[s->selected_timings.mem_clock])); |
| 337 | /* Needs to be even */ |
| 338 | s->selected_timings.tRFC = 0xfe & (MIN(78, DIV_ROUND_UP(maxtrfc, |
| 339 | mult[s->selected_timings.mem_clock])) + 1); |
| 340 | s->selected_timings.tWTR = MIN(15, DIV_ROUND_UP(maxtwtr, |
| 341 | mult[s->selected_timings.mem_clock])); |
| 342 | s->selected_timings.tRRD = MIN(15, DIV_ROUND_UP(maxtrrd, |
| 343 | mult[s->selected_timings.mem_clock])); |
Arthur Heymans | 5bb27b7 | 2017-08-26 21:24:21 +0200 | [diff] [blame] | 344 | s->selected_timings.tRTP = MIN(15, DIV_ROUND_UP(maxtrtp, |
Arthur Heymans | 12a4e98 | 2017-04-28 20:53:05 +0200 | [diff] [blame] | 345 | mult[s->selected_timings.mem_clock])); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 346 | |
| 347 | PRINTK_DEBUG("Selected timings:\n"); |
| 348 | PRINTK_DEBUG("\tFSB: %dMHz\n", fsb_reg_to_mhz(s->selected_timings.fsb_clock)); |
| 349 | PRINTK_DEBUG("\tDDR: %dMHz\n", ddr_reg_to_mhz(s->selected_timings.mem_clock)); |
| 350 | |
| 351 | PRINTK_DEBUG("\tCAS: %d\n", s->selected_timings.CAS); |
| 352 | PRINTK_DEBUG("\ttRAS: %d\n", s->selected_timings.tRAS); |
| 353 | PRINTK_DEBUG("\ttRP: %d\n", s->selected_timings.tRP); |
| 354 | PRINTK_DEBUG("\ttRCD: %d\n", s->selected_timings.tRCD); |
| 355 | PRINTK_DEBUG("\ttWR: %d\n", s->selected_timings.tWR); |
| 356 | PRINTK_DEBUG("\ttRFC: %d\n", s->selected_timings.tRFC); |
| 357 | PRINTK_DEBUG("\ttWTR: %d\n", s->selected_timings.tWTR); |
| 358 | PRINTK_DEBUG("\ttRRD: %d\n", s->selected_timings.tRRD); |
| 359 | PRINTK_DEBUG("\ttRTP: %d\n", s->selected_timings.tRTP); |
| 360 | } |
| 361 | |
| 362 | static void sdram_detect_ram_speed(struct sysinfo *s) |
| 363 | { |
| 364 | u8 cas, reg8; |
| 365 | u32 reg32; |
| 366 | u32 freq = 0; |
| 367 | u32 fsb = 0; |
| 368 | u8 i; |
| 369 | u8 commoncas = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 370 | u8 highcas = 0; |
| 371 | u8 lowcas = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 372 | |
| 373 | // Core frequency |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 374 | fsb = (pci_read_config8(HOST_BRIDGE, 0xe3) & 0x70) >> 4; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 375 | if (fsb) { |
| 376 | fsb = 5 - fsb; |
| 377 | } else { |
| 378 | fsb = FSB_CLOCK_800MHz; |
| 379 | } |
| 380 | |
| 381 | // DDR frequency |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 382 | freq = (pci_read_config8(HOST_BRIDGE, 0xe3) & 0x80) >> 7; |
| 383 | freq |= (pci_read_config8(HOST_BRIDGE, 0xe4) & 0x03) << 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 384 | if (freq) { |
| 385 | freq = 6 - freq; |
| 386 | } else { |
| 387 | freq = MEM_CLOCK_800MHz; |
| 388 | } |
| 389 | |
| 390 | // Detect a common CAS latency |
| 391 | commoncas = 0xff; |
| 392 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
| 393 | commoncas &= s->dimms[i].spd_data[18]; |
| 394 | } |
| 395 | if (commoncas == 0) { |
| 396 | die("No common CAS among dimms\n"); |
| 397 | } |
| 398 | |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 399 | // commoncas is nonzero, so these calls will not error |
| 400 | u8 msbp = (u8)msbpos(commoncas); |
| 401 | u8 lsbp = (u8)lsbpos(commoncas); |
| 402 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 403 | // Start with fastest common CAS |
| 404 | cas = 0; |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 405 | highcas = msbp; |
Elyes HAOUAS | f97c1c9 | 2019-12-03 18:22:06 +0100 | [diff] [blame] | 406 | lowcas = MAX(lsbp, 5); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 407 | |
| 408 | while (cas == 0 && highcas >= lowcas) { |
| 409 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
| 410 | switch (freq) { |
| 411 | case MEM_CLOCK_800MHz: |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 412 | if ((s->dimms[i].spd_data[9] > 0x25) || |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 413 | (s->dimms[i].spd_data[10] > 0x40)) { |
| 414 | // CAS too fast, lower it |
| 415 | highcas--; |
| 416 | break; |
| 417 | } else { |
| 418 | cas = highcas; |
| 419 | } |
| 420 | break; |
| 421 | case MEM_CLOCK_667MHz: |
| 422 | default: |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 423 | if ((s->dimms[i].spd_data[9] > 0x30) || |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 424 | (s->dimms[i].spd_data[10] > 0x45)) { |
| 425 | // CAS too fast, lower it |
| 426 | highcas--; |
| 427 | break; |
| 428 | } else { |
| 429 | cas = highcas; |
| 430 | } |
| 431 | break; |
| 432 | } |
| 433 | } |
| 434 | } |
| 435 | if (highcas < lowcas) { |
| 436 | // Timings not supported by MCH, lower the frequency |
Elyes HAOUAS | 12df950 | 2016-08-23 21:29:48 +0200 | [diff] [blame] | 437 | if (freq == MEM_CLOCK_800MHz) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 438 | freq--; |
| 439 | PRINTK_DEBUG("Run DDR clock speed reduced due to timings\n"); |
| 440 | } else { |
| 441 | die("Timings not supported by MCH\n"); |
| 442 | } |
| 443 | cas = 0; |
Jacob Garber | b70c776 | 2019-03-25 18:20:06 -0600 | [diff] [blame] | 444 | highcas = msbp; |
| 445 | lowcas = lsbp; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 446 | while (cas == 0 && highcas >= lowcas) { |
| 447 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 448 | if ((s->dimms[i].spd_data[9] > 0x30) || |
Jacob Garber | 7810793 | 2019-06-11 12:45:51 -0600 | [diff] [blame] | 449 | (s->dimms[i].spd_data[10] > 0x45)) { |
| 450 | // CAS too fast, lower it |
| 451 | highcas--; |
| 452 | } else { |
| 453 | cas = highcas; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 454 | } |
| 455 | } |
| 456 | } |
| 457 | if (cas == 0) { |
| 458 | die("Unsupported dimms\n"); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | s->selected_timings.CAS = cas; |
| 463 | s->selected_timings.mem_clock = freq; |
| 464 | s->selected_timings.fsb_clock = fsb; |
| 465 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 466 | PRINTK_DEBUG("Drive Memory at %dMHz with CAS = %d clocks\n", |
| 467 | ddr_reg_to_mhz(s->selected_timings.mem_clock), s->selected_timings.CAS); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 468 | |
| 469 | // Set memory frequency |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 470 | if (s->boot_path == BOOT_PATH_RESET) |
| 471 | return; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 472 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 473 | mchbar_setbits32(PMSTS, 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 474 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 475 | reg32 = (mchbar_read32(CLKCFG) & ~0x70) | (1 << 10); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 476 | if (s->selected_timings.mem_clock == MEM_CLOCK_800MHz) { |
| 477 | reg8 = 3; |
| 478 | } else { |
| 479 | reg8 = 2; |
| 480 | } |
| 481 | reg32 |= reg8 << 4; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 482 | mchbar_write32(CLKCFG, reg32); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 483 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 484 | s->selected_timings.mem_clock = ((mchbar_read32(CLKCFG) >> 4) & 0x7) - 2; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 485 | if (s->selected_timings.mem_clock == MEM_CLOCK_800MHz) { |
| 486 | PRINTK_DEBUG("MCH validated at 800MHz\n"); |
| 487 | s->nodll = 0; |
| 488 | s->maxpi = 63; |
| 489 | s->pioffset = 0; |
| 490 | } else if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
| 491 | PRINTK_DEBUG("MCH validated at 667MHz\n"); |
| 492 | s->nodll = 1; |
| 493 | s->maxpi = 15; |
| 494 | s->pioffset = 1; |
| 495 | } else { |
| 496 | PRINTK_DEBUG("MCH set to unknown (%02x)\n", |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 497 | (uint8_t)s->selected_timings.mem_clock & 0xff); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 498 | } |
| 499 | } |
| 500 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 501 | static void sdram_clk_crossing(struct sysinfo *s) |
| 502 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 503 | u8 ddr_freq, fsb_freq; |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 504 | static const u32 clkcross[2][2][4] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 505 | { |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 506 | {0xffffffff, 0x05030305, 0x0000ffff, 0x00000000}, /* FSB = 667, DDR = 667 */ |
| 507 | {0x1f1f1f1f, 0x2a1f1fa5, 0x00000000, 0x05000002}, /* FSB = 667, DDR = 800 */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 508 | }, |
| 509 | { |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 510 | {0x1f1f1f1f, 0x0d07070b, 0x00000000, 0x00000000}, /* FSB = 800, DDR = 667 */ |
| 511 | {0xffffffff, 0x05030305, 0x0000ffff, 0x00000000}, /* FSB = 800, DDR = 800 */ |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 512 | }, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 513 | }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 514 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 515 | ddr_freq = s->selected_timings.mem_clock; |
| 516 | fsb_freq = s->selected_timings.fsb_clock; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 517 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 518 | mchbar_write32(HMCCMP, clkcross[fsb_freq][ddr_freq][0]); |
| 519 | mchbar_write32(HMDCMP, clkcross[fsb_freq][ddr_freq][1]); |
| 520 | mchbar_write32(HMBYPCP, clkcross[fsb_freq][ddr_freq][2]); |
| 521 | mchbar_write32(HMCCPEXT, 0); |
| 522 | mchbar_write32(HMDCPEXT, clkcross[fsb_freq][ddr_freq][3]); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 523 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 524 | mchbar_setbits32(HMCCMC, 1 << 7); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 525 | |
| 526 | if ((fsb_freq == 0) && (ddr_freq == 1)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 527 | mchbar_write8(CLKXSSH2MCBYPPHAS, 0); |
| 528 | mchbar_write32(CLKXSSH2MD, 0); |
| 529 | mchbar_write32(CLKXSSH2MD + 4, 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 530 | } |
| 531 | |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 532 | static const u32 clkcross2[2][2][8] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 533 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 534 | { // FSB = 667, DDR = 667 |
| 535 | 0x00000000, 0x08010204, 0x00000000, 0x08010204, |
| 536 | 0x00000000, 0x00000000, 0x00000000, 0x04080102, |
| 537 | }, |
| 538 | { // FSB = 667, DDR = 800 |
| 539 | 0x04080000, 0x10010002, 0x10000000, 0x20010208, |
| 540 | 0x00000000, 0x00000004, 0x02040000, 0x08100102, |
| 541 | }, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 542 | }, |
| 543 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 544 | { // FSB = 800, DDR = 667 |
| 545 | 0x10000000, 0x20010208, 0x04080000, 0x10010002, |
| 546 | 0x00000000, 0x00000000, 0x08000000, 0x10200204, |
| 547 | }, |
| 548 | { // FSB = 800, DDR = 800 |
| 549 | 0x00000000, 0x08010204, 0x00000000, 0x08010204, |
| 550 | 0x00000000, 0x00000000, 0x00000000, 0x04080102, |
| 551 | }, |
| 552 | }, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 553 | }; |
| 554 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 555 | mchbar_write32(CLKXSSH2MCBYP, clkcross2[fsb_freq][ddr_freq][0]); |
| 556 | mchbar_write32(CLKXSSH2MCRDQ, clkcross2[fsb_freq][ddr_freq][0]); |
| 557 | mchbar_write32(CLKXSSH2MCRDCST, clkcross2[fsb_freq][ddr_freq][0]); |
| 558 | mchbar_write32(CLKXSSH2MCBYP + 4, clkcross2[fsb_freq][ddr_freq][1]); |
| 559 | mchbar_write32(CLKXSSH2MCRDQ + 4, clkcross2[fsb_freq][ddr_freq][1]); |
| 560 | mchbar_write32(CLKXSSH2MCRDCST + 4, clkcross2[fsb_freq][ddr_freq][1]); |
| 561 | mchbar_write32(CLKXSSMC2H, clkcross2[fsb_freq][ddr_freq][2]); |
| 562 | mchbar_write32(CLKXSSMC2H + 4, clkcross2[fsb_freq][ddr_freq][3]); |
| 563 | mchbar_write32(CLKXSSMC2HALT, clkcross2[fsb_freq][ddr_freq][4]); |
| 564 | mchbar_write32(CLKXSSMC2HALT + 4, clkcross2[fsb_freq][ddr_freq][5]); |
| 565 | mchbar_write32(CLKXSSH2X2MD, clkcross2[fsb_freq][ddr_freq][6]); |
| 566 | mchbar_write32(CLKXSSH2X2MD + 4, clkcross2[fsb_freq][ddr_freq][7]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | static void sdram_clkmode(struct sysinfo *s) |
| 570 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 571 | u8 ddr_freq; |
| 572 | u16 mpll_ctl; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 573 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 574 | mchbar_clrbits16(CSHRMISCCTL1, 1 << 8); |
| 575 | mchbar_clrbits8(CSHRMISCCTL1, 0x3f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 576 | |
| 577 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 578 | ddr_freq = 0; |
| 579 | mpll_ctl = 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 580 | } else { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 581 | ddr_freq = 1; |
| 582 | mpll_ctl = (1 << 8) | (1 << 5); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 583 | } |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 584 | if (s->boot_path != BOOT_PATH_RESET) |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 585 | mchbar_clrsetbits16(MPLLCTL, 0x033f, mpll_ctl); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 586 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 587 | mchbar_write32(C0GNT2LNCH1, 0x58001117); |
| 588 | mchbar_setbits32(C0STATRDCTRL, 1 << 23); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 589 | |
| 590 | const u32 cas_to_reg[2][4] = { |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 591 | {0x00000000, 0x00030100, 0x0c240201, 0x00000000}, /* DDR = 667 */ |
| 592 | {0x00000000, 0x00030100, 0x0c240201, 0x10450302} /* DDR = 800 */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 593 | }; |
| 594 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 595 | mchbar_write32(C0GNT2LNCH2, cas_to_reg[ddr_freq][s->selected_timings.CAS - 3]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | static void sdram_timings(struct sysinfo *s) |
| 599 | { |
| 600 | u8 i, j, ch, r, ta1, ta2, ta3, ta4, trp, bank, page, flag; |
| 601 | u8 reg8, wl; |
| 602 | u16 reg16; |
| 603 | u32 reg32, reg2; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 604 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 605 | static const u8 pagetab[2][2] = { |
| 606 | {0x0e, 0x12}, |
| 607 | {0x10, 0x14}, |
| 608 | }; |
| 609 | |
| 610 | /* Only consider DDR2 */ |
| 611 | wl = s->selected_timings.CAS - 1; |
| 612 | ta1 = ta2 = 6; |
| 613 | ta3 = s->selected_timings.CAS; |
| 614 | ta4 = 8; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 615 | s->selected_timings.tRFC = (s->selected_timings.tRFC + 1) & 0xfe; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 616 | trp = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 617 | bank = 1; |
| 618 | page = 0; |
| 619 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 620 | mchbar_write8(C0LATCTRL, (wl - 3) << 4 | (s->selected_timings.CAS - 3)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 621 | |
| 622 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 623 | i = ch << 1; |
| 624 | if (s->dimms[i].banks == 1) { |
| 625 | trp = 1; |
| 626 | bank = 0; |
| 627 | } |
| 628 | if (s->dimms[i].page_size == 2048) { |
| 629 | page = 1; |
| 630 | } |
| 631 | } |
| 632 | PRINTK_DEBUG("trp=%d bank=%d page=%d\n",trp, bank, page); |
| 633 | |
| 634 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
| 635 | flag = 0; |
| 636 | } else { |
| 637 | flag = 1; |
| 638 | } |
| 639 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 640 | mchbar_setbits8(C0PVCFG, 3); |
| 641 | mchbar_write16(C0CYCTRKPCHG, (wl + 4 + s->selected_timings.tWR) << 6 | |
| 642 | (2 + MAX(s->selected_timings.tRTP, 2)) << 2 | 1); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 643 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 644 | reg32 = (bank << 21) | (s->selected_timings.tRRD << 17) | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 645 | (s->selected_timings.tRP << 13) | ((s->selected_timings.tRP + trp) << 9) | |
| 646 | s->selected_timings.tRFC; |
| 647 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 648 | if (bank == 0) { |
| 649 | reg32 |= (pagetab[flag][page] << 22); |
| 650 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 651 | /* FIXME: Why not do a single dword write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 652 | mchbar_write16(C0CYCTRKACT + 0, (u16)(reg32)); |
| 653 | mchbar_write16(C0CYCTRKACT + 2, (u16)(reg32 >> 16)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 654 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 655 | /* FIXME: Only applies to DDR2 */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 656 | reg16 = (mchbar_read16(C0CYCTRKACT + 2) & 0x0fc0) >> 6; |
| 657 | mchbar_clrsetbits16(SHCYCTRKCKEL, 0x3f << 7, reg16 << 7); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 658 | |
| 659 | reg16 = (s->selected_timings.tRCD << 12) | (4 << 8) | (ta2 << 4) | ta4; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 660 | mchbar_write16(C0CYCTRKWR, reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 661 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 662 | reg32 = (s->selected_timings.tRCD << 17) | ((wl + 4 + s->selected_timings.tWTR) << 12) | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 663 | (ta3 << 8) | (4 << 4) | ta1; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 664 | mchbar_write32(C0CYCTRKRD, reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 665 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 666 | reg16 = ((s->selected_timings.tRP + trp) << 9) | s->selected_timings.tRFC; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 667 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 668 | /* FIXME: Why not do a single word write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 669 | mchbar_write8(C0CYCTRKREFR + 0, (u8)(reg16)); |
| 670 | mchbar_write8(C0CYCTRKREFR + 1, (u8)(reg16 >> 8)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 671 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 672 | mchbar_clrsetbits16(C0CKECTRL, 0x1ff << 1, 100 << 1); |
| 673 | mchbar_clrsetbits8(C0CYCTRKPCHG2, 0x3f, s->selected_timings.tRAS); |
| 674 | mchbar_write16(C0ARBCTRL, 0x2310); |
| 675 | mchbar_clrsetbits8(C0ADDCSCTRL, 0x1f, 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 676 | |
| 677 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
| 678 | reg32 = 3000; |
| 679 | } else { |
| 680 | reg32 = 2500; |
| 681 | } |
| 682 | if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) { |
| 683 | reg2 = 6000; |
| 684 | } else { |
| 685 | reg2 = 5000; |
| 686 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 687 | reg16 = (u16)((((s->selected_timings.CAS + 7) * (reg32)) / reg2) << 8); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 688 | mchbar_clrsetbits16(C0STATRDCTRL, 0x1f << 8, reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 689 | |
| 690 | flag = 0; |
| 691 | if (wl > 2) { |
| 692 | flag = 1; |
| 693 | } |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 694 | reg16 = (u8)(wl - 1 - flag); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 695 | reg16 |= reg16 << 4; |
| 696 | reg16 |= flag << 8; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 697 | mchbar_clrsetbits16(C0WRDATACTRL, 0x1ff, reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 698 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 699 | mchbar_write16(C0RDQCTRL, 0x1585); |
| 700 | mchbar_clrbits8(C0PWLRCTRL, 0x1f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 701 | |
| 702 | /* rdmodwr_window[5..0] = CL+4+5 265[13..8] (264[21..16]) */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 703 | mchbar_clrsetbits16(C0PWLRCTRL, 0x3f << 8, (s->selected_timings.CAS + 9) << 8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 704 | |
| 705 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 706 | reg16 = 0x0514; |
| 707 | reg32 = 0x0a28; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 708 | } else { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 709 | reg16 = 0x0618; |
| 710 | reg32 = 0x0c30; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 711 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 712 | mchbar_clrsetbits32(C0REFRCTRL2, 0xfffff << 8, 0x3f << 22 | reg32 << 8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 713 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 714 | /* FIXME: Is this weird access necessary? Reference code does it */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 715 | mchbar_write8(C0REFRCTRL + 3, 0); |
| 716 | mchbar_clrsetbits16(C0REFCTRL, 0x3fff, reg16); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 717 | |
| 718 | /* NPUT Static Mode */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 719 | mchbar_setbits8(C0DYNRDCTRL, 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 720 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 721 | mchbar_clrsetbits32(C0STATRDCTRL, 0x7f << 24, 0xb << 25); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 722 | i = s->selected_timings.mem_clock; |
| 723 | j = s->selected_timings.fsb_clock; |
| 724 | if (i > j) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 725 | mchbar_setbits32(C0STATRDCTRL, 1 << 24); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 726 | } |
| 727 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 728 | mchbar_clrbits8(C0RDFIFOCTRL, 3); |
| 729 | mchbar_clrsetbits16(C0WRDATACTRL, 0x1f << 10, (wl + 10) << 10); |
| 730 | mchbar_clrsetbits32(C0CKECTRL, 7 << 24 | 7 << 17, 3 << 24 | 3 << 17); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 731 | reg16 = 0x15 << 6; |
| 732 | reg16 |= 0x1f; |
| 733 | reg16 |= (0x6 << 12); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 734 | mchbar_clrsetbits16(C0REFRCTRL + 4, 0x7fff, reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 735 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 736 | reg32 = (0x6 << 27) | (1 << 25); /* FIXME: For DDR3, set BIT26 as well */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 737 | mchbar_clrsetbits32(C0REFRCTRL2, 3 << 28, reg32 << 8); |
| 738 | mchbar_clrsetbits8(C0REFRCTRL + 3, 0xfa, reg32 >> 24); |
| 739 | mchbar_clrbits8(C0JEDEC, 1 << 7); |
| 740 | mchbar_clrbits8(C0DYNRDCTRL, 3 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 741 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 742 | /* Note: This is a 64-bit register, [34..30] = 0b00110 is split across two writes */ |
| 743 | reg32 = ((6 & 3) << 30) | (4 << 25) | (1 << 20) | (8 << 15) | (6 << 10) | (4 << 5) | 1; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 744 | mchbar_write32(C0WRWMFLSH, reg32); |
| 745 | mchbar_clrsetbits16(C0WRWMFLSH + 4, 0x1ff, 8 << 3 | 6 >> 2); |
| 746 | mchbar_setbits16(SHPENDREG, 0x1c00 | 0x1f << 5); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 747 | |
| 748 | /* FIXME: Why not do a single word write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 749 | mchbar_clrsetbits8(SHPAGECTRL, 0xff, 0x40); |
| 750 | mchbar_clrsetbits8(SHPAGECTRL + 1, 0x07, 0x05); |
| 751 | mchbar_setbits8(SHCMPLWRCMD, 0x1f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 752 | |
| 753 | reg8 = (3 << 6); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 754 | reg8 |= (s->dt0mode << 4); |
| 755 | reg8 |= 0x0c; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 756 | mchbar_clrsetbits8(SHBONUSREG, 0xdf, reg8); |
| 757 | mchbar_clrbits8(CSHRWRIOMLNS, 1 << 1); |
| 758 | mchbar_clrsetbits8(C0MISCTM, 0x07, 0x02); |
| 759 | mchbar_clrsetbits16(C0BYPCTRL, 0xff << 2, 4 << 2); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 760 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 761 | /* [31..29] = 0b010 for kN = 2 (2N) */ |
| 762 | reg32 = (2 << 29) | (1 << 28) | (1 << 23); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 763 | mchbar_clrsetbits32(WRWMCONFIG, 0xffb << 20, reg32); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 764 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 765 | reg8 = (u8)((mchbar_read16(C0CYCTRKACT) & 0xe000) >> 13); |
| 766 | reg8 |= (u8)((mchbar_read16(C0CYCTRKACT + 2) & 1) << 3); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 767 | mchbar_clrsetbits8(BYPACTSF, 0xf << 4, reg8 << 4); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 768 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 769 | reg8 = (u8)((mchbar_read32(C0CYCTRKRD) & 0x000f0000) >> 17); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 770 | mchbar_clrsetbits8(BYPACTSF, 0xf, reg8); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 771 | |
| 772 | /* FIXME: Why not clear everything at once? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 773 | mchbar_clrbits8(BYPKNRULE, 0xfc); |
| 774 | mchbar_clrbits8(BYPKNRULE, 0x03); |
| 775 | mchbar_clrbits8(SHBONUSREG, 0x03); |
| 776 | mchbar_setbits8(C0BYPCTRL, 1 << 0); |
| 777 | mchbar_setbits16(CSHRMISCCTL1, 1 << 9); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 778 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 779 | for (i = 0; i < 8; i++) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 780 | /* FIXME: Hardcoded for DDR2 SO-DIMMs */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 781 | mchbar_clrsetbits32(C0DLLRCVCTLy(i), 0x3f3f3f3f, 0x0c0c0c0c); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 782 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 783 | /* RDCS to RCVEN delay: Program coarse common to all bytelanes to default tCL + 1 */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 784 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, (s->selected_timings.CAS + 1) << 16); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 785 | |
| 786 | /* Program RCVEN delay with DLL-safe settings */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 787 | for (i = 0; i < 8; i++) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 788 | mchbar_clrbits8(C0RXRCVyDLL(i), 0x3f); |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 789 | mchbar_clrbits16(C0RCVMISCCTL2, 3 << (i * 2)); |
| 790 | mchbar_clrbits16(C0RCVMISCCTL1, 3 << (i * 2)); |
| 791 | mchbar_clrbits16(C0COARSEDLY0, 3 << (i * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 792 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 793 | mchbar_clrbits8(C0DLLPIEN, 1 << 0); /* Power up receiver */ |
| 794 | mchbar_setbits8(C0DLLPIEN, 1 << 1); /* Enable RCVEN DLL */ |
| 795 | mchbar_setbits8(C0DLLPIEN, 1 << 2); /* Enable receiver DQS DLL */ |
| 796 | mchbar_setbits32(C0COREBONUS, 0x000c0400); |
| 797 | mchbar_setbits32(C0CMDTX1, 1 << 31); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 798 | } |
| 799 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 800 | /* Program clkset0's register for Kcoarse, Tap, PI, DBEn and DBSel */ |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 801 | static void sdram_p_clkset0(const struct pllparam *pll, u8 f, u8 i) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 802 | { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 803 | mchbar_clrsetbits16(C0CKTX, 0xc440, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 804 | (pll->clkdelay[f][i] << 14) | |
| 805 | (pll->dben[f][i] << 10) | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 806 | (pll->dbsel[f][i] << 6)); |
| 807 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 808 | mchbar_clrsetbits8(C0TXCK0DLL, 0x3f, pll->pi[f][i]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 809 | } |
| 810 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 811 | /* Program clkset1's register for Kcoarse, Tap, PI, DBEn and DBSel */ |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 812 | static void sdram_p_clkset1(const struct pllparam *pll, u8 f, u8 i) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 813 | { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 814 | mchbar_clrsetbits32(C0CKTX, 0x00030880, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 815 | (pll->clkdelay[f][i] << 16) | |
| 816 | (pll->dben[f][i] << 11) | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 817 | (pll->dbsel[f][i] << 7)); |
| 818 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 819 | mchbar_clrsetbits8(C0TXCK1DLL, 0x3f, pll->pi[f][i]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 820 | } |
| 821 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 822 | /* Program CMD0 and CMD1 registers for Kcoarse, Tap, PI, DBEn and DBSel */ |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 823 | static void sdram_p_cmd(const struct pllparam *pll, u8 f, u8 i) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 824 | { |
| 825 | u8 reg8; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 826 | /* Clock Group Index 3 */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 827 | reg8 = pll->dbsel[f][i] << 5; |
| 828 | reg8 |= pll->dben[f][i] << 6; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 829 | mchbar_clrsetbits8(C0CMDTX1, 3 << 5, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 830 | |
| 831 | reg8 = pll->clkdelay[f][i] << 4; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 832 | mchbar_clrsetbits8(C0CMDTX2, 3 << 4, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 833 | |
| 834 | reg8 = pll->pi[f][i]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 835 | mchbar_clrsetbits8(C0TXCMD0DLL, 0x3f, reg8); |
| 836 | mchbar_clrsetbits8(C0TXCMD1DLL, 0x3f, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 837 | } |
| 838 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 839 | /* Program CTRL registers for Kcoarse, Tap, PI, DBEn and DBSel */ |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 840 | static void sdram_p_ctrl(const struct pllparam *pll, u8 f, u8 i) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 841 | { |
| 842 | u8 reg8; |
| 843 | u32 reg32; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 844 | |
| 845 | /* CTRL0 and CTRL1 */ |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 846 | reg32 = ((u32)pll->dbsel[f][i]) << 20; |
| 847 | reg32 |= ((u32)pll->dben[f][i]) << 21; |
| 848 | reg32 |= ((u32)pll->dbsel[f][i]) << 22; |
| 849 | reg32 |= ((u32)pll->dben[f][i]) << 23; |
| 850 | reg32 |= ((u32)pll->clkdelay[f][i]) << 24; |
| 851 | reg32 |= ((u32)pll->clkdelay[f][i]) << 27; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 852 | mchbar_clrsetbits32(C0CTLTX2, 0x01bf0000, reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 853 | |
| 854 | reg8 = pll->pi[f][i]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 855 | mchbar_clrsetbits8(C0TXCTL0DLL, 0x3f, reg8); |
| 856 | mchbar_clrsetbits8(C0TXCTL1DLL, 0x3f, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 857 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 858 | /* CTRL2 and CTRL3 */ |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 859 | reg32 = ((u32)pll->dbsel[f][i]) << 12; |
| 860 | reg32 |= ((u32)pll->dben[f][i]) << 13; |
| 861 | reg32 |= ((u32)pll->dbsel[f][i]) << 8; |
| 862 | reg32 |= ((u32)pll->dben[f][i]) << 9; |
| 863 | reg32 |= ((u32)pll->clkdelay[f][i]) << 14; |
| 864 | reg32 |= ((u32)pll->clkdelay[f][i]) << 10; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 865 | mchbar_clrsetbits32(C0CMDTX2, 0xff << 8, reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 866 | |
| 867 | reg8 = pll->pi[f][i]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 868 | mchbar_clrsetbits8(C0TXCTL2DLL, 0x3f, reg8); |
| 869 | mchbar_clrsetbits8(C0TXCTL3DLL, 0x3f, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 870 | } |
| 871 | |
| 872 | static void sdram_p_dqs(struct pllparam *pll, u8 f, u8 clk) |
| 873 | { |
| 874 | u8 rank, dqs, reg8, j; |
| 875 | u32 reg32; |
| 876 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 877 | j = clk - 40; |
| 878 | reg8 = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 879 | reg32 = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 880 | rank = j % 4; |
| 881 | dqs = j / 4; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 882 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 883 | reg32 |= ((u32)pll->dben[f][clk]) << (dqs + 9); |
| 884 | reg32 |= ((u32)pll->dbsel[f][clk]) << dqs; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 885 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 886 | mchbar_clrsetbits32(C0DQSRyTX1(rank), 1 << (dqs + 9) | 1 << dqs, reg32); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 887 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 888 | reg32 = ((u32)pll->clkdelay[f][clk]) << ((dqs * 2) + 16); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 889 | mchbar_clrsetbits32(C0DQSDQRyTX3(rank), 1 << (dqs * 2 + 17) | 1 << (dqs * 2 + 16), |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 890 | reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 891 | |
| 892 | reg8 = pll->pi[f][clk]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 893 | mchbar_clrsetbits8(C0TXDQS0R0DLL + j, 0x3f, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 894 | } |
| 895 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 896 | static void sdram_p_dq(struct pllparam *pll, u8 f, u8 clk) |
| 897 | { |
| 898 | u8 rank, dq, reg8, j; |
| 899 | u32 reg32; |
| 900 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 901 | j = clk - 8; |
| 902 | reg8 = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 903 | reg32 = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 904 | rank = j % 4; |
| 905 | dq = j / 4; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 906 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 907 | reg32 |= ((u32)pll->dben[f][clk]) << (dq + 9); |
| 908 | reg32 |= ((u32)pll->dbsel[f][clk]) << dq; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 909 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 910 | mchbar_clrsetbits32(C0DQRyTX1(rank), 1 << (dq + 9) | 1 << dq, reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 911 | |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 912 | reg32 = ((u32)pll->clkdelay[f][clk]) << (dq*2); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 913 | mchbar_clrsetbits32(C0DQSDQRyTX3(rank), 1 << (dq * 2 + 1) | 1 << (dq * 2), reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 914 | |
| 915 | reg8 = pll->pi[f][clk]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 916 | mchbar_clrsetbits8(C0TXDQ0R0DLL + j, 0x3f, reg8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 917 | } |
| 918 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 919 | /* WDLL programming: Perform HPLL/MPLL calibration after write levelization */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 920 | static void sdram_calibratepll(struct sysinfo *s, u8 pidelay) |
| 921 | { |
| 922 | struct pllparam pll = { |
| 923 | .pi = { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 924 | { /* DDR = 667 */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 925 | 3, 3, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, |
| 926 | 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, |
| 927 | 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, |
| 928 | 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, |
| 929 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 930 | 0, 0, 0, 0, 1, 1, 1, 1, 3, 3, 3, 3, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 931 | }, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 932 | { /* DDR = 800 */ |
| 933 | 53, 53, 10, 10, 5, 5, 5, 5, 27, 27, 27, 27, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 934 | 34, 34, 34, 34, 34, 34, 34, 34, 39, 39, 39, 39, |
| 935 | 47, 47, 47, 47, 44, 44, 44, 44, 47, 47, 47, 47, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 936 | 47, 47, 47, 47, 59, 59, 59, 59, 2, 2, 2, 2, |
| 937 | 2, 2, 2, 2, 7, 7, 7, 7, 15, 15, 15, 15, |
| 938 | 12, 12, 12, 12, 15, 15, 15, 15, 15, 15, 15, 15, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 939 | }}, |
| 940 | |
| 941 | .dben = { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 942 | { /* DDR = 667 */ |
| 943 | 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 944 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 945 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 946 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 947 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 948 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 949 | }, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 950 | { /* DDR = 800 */ |
| 951 | 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, |
| 952 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 953 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 954 | 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, |
| 955 | 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, |
| 956 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 957 | }}, |
| 958 | |
| 959 | .dbsel = { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 960 | { /* DDR = 667 */ |
| 961 | 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 962 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 963 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 964 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 965 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 966 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 967 | }, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 968 | { /* DDR = 800 */ |
| 969 | 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, |
| 970 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 971 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 972 | 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, |
| 973 | 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, |
| 974 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 975 | }}, |
| 976 | |
| 977 | .clkdelay = { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 978 | { /* DDR = 667 */ |
| 979 | 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, |
| 980 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 981 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 982 | 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
| 983 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 984 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 985 | }, |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 986 | { /* DDR = 800 */ |
| 987 | 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, |
| 988 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 989 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 990 | 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, |
| 991 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 992 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 993 | }} |
| 994 | }; |
| 995 | |
| 996 | u8 i, f; |
| 997 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
| 998 | f = 0; |
| 999 | } else { |
| 1000 | f = 1; |
| 1001 | } |
| 1002 | for (i = 0; i < 72; i++) { |
| 1003 | pll.pi[f][i] += pidelay; |
| 1004 | } |
| 1005 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1006 | /* Disable Dynamic DQS Slave Setting Per Rank */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1007 | mchbar_clrbits8(CSHRDQSCMN, 1 << 7); |
| 1008 | mchbar_clrsetbits16(CSHRPDCTL4, 0x3fff, 0x1fff); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1009 | |
| 1010 | sdram_p_clkset0(&pll, f, 0); |
| 1011 | sdram_p_clkset1(&pll, f, 1); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1012 | sdram_p_cmd(&pll, f, 2); |
| 1013 | sdram_p_ctrl(&pll, f, 4); |
| 1014 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1015 | for (i = 0; i < 32; i++) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1016 | sdram_p_dqs(&pll, f, i + 40); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1017 | } |
| 1018 | for (i = 0; i < 32; i++) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1019 | sdram_p_dq(&pll, f, i + 8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1020 | } |
| 1021 | } |
| 1022 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1023 | /* Perform HMC hardware calibration */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1024 | static void sdram_calibratehwpll(struct sysinfo *s) |
| 1025 | { |
| 1026 | u8 reg8; |
| 1027 | |
| 1028 | s->async = 0; |
| 1029 | reg8 = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1030 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1031 | mchbar_setbits16(CSHRPDCTL, 1 << 15); |
| 1032 | mchbar_clrbits8(CSHRPDCTL, 1 << 7); |
| 1033 | mchbar_setbits8(CSHRPDCTL, 1 << 3); |
| 1034 | mchbar_setbits8(CSHRPDCTL, 1 << 2); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1035 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1036 | /* Start hardware HMC calibration */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1037 | mchbar_setbits8(CSHRPDCTL, 1 << 7); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1038 | |
| 1039 | /* Busy-wait until calibration is done */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1040 | while ((mchbar_read8(CSHRPDCTL) & (1 << 2)) == 0) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1041 | ; |
| 1042 | |
| 1043 | /* If hardware HMC calibration failed */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1044 | reg8 = (mchbar_read8(CSHRPDCTL) & (1 << 3)) >> 3; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1045 | if (reg8 != 0) { |
| 1046 | s->async = 1; |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | static void sdram_dlltiming(struct sysinfo *s) |
| 1051 | { |
Elyes HAOUAS | 66b462d | 2019-01-02 21:11:32 +0100 | [diff] [blame] | 1052 | u8 reg8, i; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1053 | u16 reg16; |
| 1054 | u32 reg32; |
| 1055 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1056 | /* Configure the Master DLL */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1057 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1058 | reg32 = 0x08014227; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1059 | } else { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1060 | reg32 = 0x00014221; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1061 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1062 | mchbar_clrsetbits32(CSHRMSTRCTL1, 0x0fffffff, reg32); |
| 1063 | mchbar_setbits32(CSHRMSTRCTL1, 1 << 23); |
| 1064 | mchbar_setbits32(CSHRMSTRCTL1, 1 << 15); |
| 1065 | mchbar_clrbits32(CSHRMSTRCTL1, 1 << 15); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1066 | |
| 1067 | if (s->nodll) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1068 | /* Disable the Master DLLs by setting these bits, IN ORDER! */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1069 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 0); |
| 1070 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 2); |
| 1071 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 4); |
| 1072 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 8); |
| 1073 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 10); |
| 1074 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 12); |
| 1075 | mchbar_setbits16(CSHRMSTRCTL0, 1 << 14); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1076 | } else { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1077 | /* Enable the Master DLLs by clearing these bits, IN ORDER! */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1078 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 0); |
| 1079 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 2); |
| 1080 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 4); |
| 1081 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 8); |
| 1082 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 10); |
| 1083 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 12); |
| 1084 | mchbar_clrbits16(CSHRMSTRCTL0, 1 << 14); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1085 | } |
| 1086 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1087 | /* Initialize the Transmit DLL PI values in the following sequence. */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1088 | if (s->nodll) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1089 | mchbar_clrsetbits8(CREFPI, 0x3f, 0x07); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1090 | } else { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1091 | mchbar_clrbits8(CREFPI, 0x3f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | sdram_calibratepll(s, 0); // XXX check |
| 1095 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1096 | /* Enable all modular Slave DLL */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1097 | mchbar_setbits16(C0DLLPIEN, 1 << 11); |
| 1098 | mchbar_setbits16(C0DLLPIEN, 1 << 12); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1099 | |
| 1100 | for (i = 0; i < 8; i++) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1101 | mchbar_setbits16(C0DLLPIEN, (1 << 10) >> i); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1102 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1103 | /* Enable DQ/DQS output */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1104 | mchbar_setbits8(C0SLVDLLOUTEN, 1 << 0); |
| 1105 | mchbar_write16(CSPDSLVWT, 0x5005); |
| 1106 | mchbar_clrsetbits16(CSHRPDCTL2, 0x1f1f, 0x051a); |
| 1107 | mchbar_clrsetbits16(CSHRPDCTL5, 0xbf3f, 0x9010); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1108 | |
| 1109 | if (s->nodll) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1110 | mchbar_clrsetbits8(CSHRPDCTL3, 0x7f, 0x6b); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1111 | } else { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1112 | mchbar_clrsetbits8(CSHRPDCTL3, 0x7f, 0x55); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1113 | sdram_calibratehwpll(s); |
| 1114 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1115 | /* Disable Dynamic Diff Amp */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1116 | mchbar_clrbits32(C0STATRDCTRL, 1 << 22); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1117 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1118 | /* Now, start initializing the transmit FIFO */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1119 | mchbar_clrbits8(C0MISCCTL, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1120 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1121 | /* Disable (gate) mdclk and mdclkb */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1122 | mchbar_setbits8(CSHWRIOBONUS, 3 << 6); |
Jacob Garber | d10680b | 2019-06-11 14:13:04 -0600 | [diff] [blame] | 1123 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1124 | /* Select mdmclk */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1125 | mchbar_clrbits8(CSHWRIOBONUS, 1 << 5); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1126 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1127 | /* Ungate mdclk */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1128 | mchbar_clrsetbits8(CSHWRIOBONUS, 3 << 6, 1 << 6); |
| 1129 | mchbar_clrsetbits8(CSHRFIFOCTL, 0x3f, 0x1a); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1130 | |
| 1131 | /* Enable the write pointer count */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1132 | mchbar_setbits8(CSHRFIFOCTL, 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1133 | |
| 1134 | /* Set the DDR3 Reset Enable bit */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1135 | mchbar_setbits8(CSHRDDR3CTL, 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1136 | |
| 1137 | /* Configure DQS-DQ Transmit */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1138 | mchbar_write32(CSHRDQSTXPGM, 0x00551803); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1139 | |
| 1140 | reg8 = 0; /* Switch all clocks on anyway */ |
| 1141 | |
| 1142 | /* Enable clock groups depending on rank population */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1143 | mchbar_clrsetbits32(C0CKTX, 0x3f << 24, reg8 << 24); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1144 | |
| 1145 | /* Enable DDR command output buffers from core */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1146 | mchbar_clrbits8(0x594, 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1147 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1148 | reg16 = 0; |
| 1149 | if (!rank_is_populated(s->dimms, 0, 0)) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1150 | reg16 |= (1 << 8) | (1 << 4) | (1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1151 | } |
| 1152 | if (!rank_is_populated(s->dimms, 0, 1)) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1153 | reg16 |= (1 << 9) | (1 << 5) | (1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1154 | } |
| 1155 | if (!rank_is_populated(s->dimms, 0, 2)) { |
| 1156 | reg16 |= (1 << 10) | (1 << 6) | (1 << 2); |
| 1157 | } |
| 1158 | if (!rank_is_populated(s->dimms, 0, 3)) { |
| 1159 | reg16 |= (1 << 11) | (1 << 7) | (1 << 3); |
| 1160 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1161 | mchbar_setbits16(C0CTLTX2, reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1162 | } |
| 1163 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1164 | /* Define a shorter name for these to make the lines fit in 96 characters */ |
| 1165 | #define TABLE static const |
| 1166 | |
| 1167 | /* Loop over each RCOMP group, but skip group 1 because it does not exist */ |
| 1168 | #define FOR_EACH_RCOMP_GROUP(idx) for (idx = 0; idx < 7; idx++) if (idx != 1) |
| 1169 | |
| 1170 | /* Define accessors for the RCOMP register banks */ |
| 1171 | #define C0RCOMPCTRLx(x) (rcompctl[(x)] + 0x00) |
| 1172 | #define C0RCOMPMULTx(x) (rcompctl[(x)] + 0x04) |
| 1173 | #define C0RCOMPOVRx(x) (rcompctl[(x)] + 0x06) |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 1174 | #define C0RCOMPOSVx(x) (rcompctl[(x)] + 0x0a) |
| 1175 | #define C0SCOMPVREFx(x) (rcompctl[(x)] + 0x0e) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1176 | #define C0SCOMPOVRx(x) (rcompctl[(x)] + 0x10) |
| 1177 | #define C0SCOMPOFFx(x) (rcompctl[(x)] + 0x12) |
| 1178 | #define C0DCOMPx(x) (rcompctl[(x)] + 0x14) |
| 1179 | #define C0SLEWBASEx(x) (rcompctl[(x)] + 0x16) |
| 1180 | #define C0SLEWPULUTx(x) (rcompctl[(x)] + 0x18) |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 1181 | #define C0SLEWPDLUTx(x) (rcompctl[(x)] + 0x1c) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1182 | #define C0DCOMPOVRx(x) (rcompctl[(x)] + 0x20) |
| 1183 | #define C0DCOMPOFFx(x) (rcompctl[(x)] + 0x24) |
| 1184 | |
| 1185 | /* FIXME: This only applies to DDR2 */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1186 | static void sdram_rcomp(struct sysinfo *s) |
| 1187 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1188 | u8 i, j, reg8, rcompp, rcompn, srup, srun; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1189 | u16 reg16; |
| 1190 | u32 reg32, rcomp1, rcomp2; |
| 1191 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1192 | static const u8 rcompslew = 0x0a; |
| 1193 | static const u16 rcompctl[7] = { |
| 1194 | C0RCOMPCTRL0, |
| 1195 | 0, /* This register does not exist */ |
| 1196 | C0RCOMPCTRL2, |
| 1197 | C0RCOMPCTRL3, |
| 1198 | C0RCOMPCTRL4, |
| 1199 | C0RCOMPCTRL5, |
| 1200 | C0RCOMPCTRL6, |
| 1201 | }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1202 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1203 | /* RCOMP settings tables = { NC-NC, x16SS, x16DS, x16SS2, x16DS2, x8DS, x8DS2}; */ |
| 1204 | TABLE u8 rcompupdate[7] = { 0, 0, 0, 1, 1, 0, 0}; |
| 1205 | TABLE u8 rcompstr[7] = { 0x66, 0x00, 0xaa, 0x55, 0x55, 0x77, 0x77}; |
| 1206 | TABLE u16 rcompscomp[7] = {0xa22a, 0x0000, 0xe22e, 0xe22e, 0xe22e, 0xa22a, 0xa22a}; |
| 1207 | TABLE u8 rcompdelay[7] = { 1, 0, 0, 0, 0, 1, 1}; |
| 1208 | TABLE u16 rcompf[7] = {0x1114, 0x0000, 0x0505, 0x0909, 0x0909, 0x0a0a, 0x0a0a}; |
| 1209 | TABLE u8 rcompstr2[7] = { 0x00, 0x55, 0x55, 0xaa, 0xaa, 0x55, 0xaa}; |
| 1210 | TABLE u16 rcompscomp2[7] = {0x0000, 0xe22e, 0xe22e, 0xe22e, 0x8228, 0xe22e, 0x8228}; |
| 1211 | TABLE u8 rcompdelay2[7] = { 0, 0, 0, 0, 2, 0, 2}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1212 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1213 | TABLE u8 rcomplut[64][12] = { |
| 1214 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1215 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1216 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1217 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1218 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1219 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1220 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1221 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1222 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1223 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1224 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1225 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1226 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1227 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1228 | { 9, 9, 11, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1229 | {10, 9, 12, 11, 2, 2, 5, 5, 6, 6, 5, 5}, |
| 1230 | {10, 9, 12, 11, 2, 2, 6, 5, 7, 6, 6, 5}, |
| 1231 | {10, 10, 12, 12, 2, 2, 6, 5, 7, 6, 6, 5}, |
| 1232 | {10, 10, 12, 12, 2, 2, 6, 6, 7, 7, 6, 6}, |
| 1233 | {10, 10, 12, 12, 3, 2, 6, 6, 7, 7, 6, 6}, |
| 1234 | {10, 10, 12, 12, 3, 2, 6, 6, 7, 7, 6, 6}, |
| 1235 | {10, 10, 12, 12, 3, 2, 6, 6, 7, 7, 6, 6}, |
| 1236 | {10, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1237 | {10, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1238 | {10, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1239 | {10, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1240 | {10, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1241 | {11, 10, 12, 12, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1242 | {11, 10, 14, 13, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1243 | {12, 10, 14, 13, 3, 3, 6, 6, 7, 7, 6, 6}, |
| 1244 | {12, 12, 14, 13, 3, 3, 7, 6, 7, 7, 7, 6}, |
| 1245 | {13, 12, 16, 15, 3, 3, 7, 6, 8, 7, 7, 6}, |
| 1246 | {13, 14, 16, 15, 4, 3, 7, 7, 8, 8, 7, 7}, |
| 1247 | {14, 14, 16, 17, 4, 3, 7, 7, 8, 8, 7, 7}, |
| 1248 | {14, 16, 18, 17, 4, 4, 8, 7, 8, 8, 8, 7}, |
| 1249 | {15, 16, 18, 19, 4, 4, 8, 7, 9, 8, 8, 7}, |
| 1250 | {15, 18, 18, 19, 4, 4, 8, 8, 9, 9, 8, 8}, |
| 1251 | {16, 18, 20, 21, 4, 4, 8, 8, 9, 9, 8, 8}, |
| 1252 | {16, 19, 20, 21, 5, 4, 9, 8, 10, 9, 9, 8}, |
| 1253 | {16, 19, 20, 23, 5, 5, 9, 9, 10, 10, 9, 9}, |
| 1254 | {17, 19, 22, 23, 5, 5, 9, 9, 10, 10, 9, 9}, |
| 1255 | {17, 20, 22, 25, 5, 5, 9, 9, 10, 10, 9, 9}, |
| 1256 | {17, 20, 22, 25, 5, 5, 9, 9, 10, 10, 9, 9}, |
| 1257 | {18, 20, 22, 25, 5, 5, 9, 9, 10, 10, 9, 9}, |
| 1258 | {18, 21, 24, 25, 5, 5, 9, 9, 11, 10, 9, 9}, |
| 1259 | {19, 21, 24, 27, 5, 5, 9, 9, 11, 11, 9, 9}, |
| 1260 | {19, 22, 24, 27, 5, 5, 10, 9, 11, 11, 10, 9}, |
| 1261 | {20, 22, 24, 27, 6, 5, 10, 10, 11, 11, 10, 10}, |
| 1262 | {20, 23, 26, 27, 6, 6, 10, 10, 12, 12, 10, 10}, |
| 1263 | {20, 23, 26, 29, 6, 6, 10, 10, 12, 12, 10, 10}, |
| 1264 | {21, 24, 26, 29, 6, 6, 10, 10, 12, 12, 10, 10}, |
| 1265 | {21, 24, 26, 29, 6, 6, 11, 10, 12, 13, 11, 10}, |
| 1266 | {22, 25, 28, 29, 6, 6, 11, 11, 13, 13, 11, 11}, |
| 1267 | {22, 25, 28, 31, 6, 6, 11, 11, 13, 13, 11, 11}, |
| 1268 | {22, 26, 28, 31, 6, 6, 11, 11, 13, 14, 11, 11}, |
| 1269 | {23, 26, 30, 31, 7, 6, 12, 11, 14, 14, 12, 11}, |
| 1270 | {23, 27, 30, 33, 7, 7, 12, 12, 14, 14, 12, 12}, |
| 1271 | {23, 27, 30, 33, 7, 7, 12, 12, 14, 15, 12, 12}, |
| 1272 | {24, 28, 32, 33, 7, 7, 12, 12, 15, 15, 12, 12}, |
| 1273 | {24, 28, 32, 33, 7, 7, 12, 12, 15, 16, 12, 12}, |
| 1274 | {24, 29, 32, 35, 7, 7, 12, 12, 15, 16, 12, 12}, |
| 1275 | {25, 29, 32, 35, 7, 7, 12, 12, 15, 17, 12, 12}, |
| 1276 | {25, 30, 32, 35, 7, 7, 12, 12, 15, 17, 12, 12}, |
| 1277 | {25, 30, 32, 35, 7, 7, 12, 12, 15, 17, 12, 12}, |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1278 | }; |
| 1279 | |
| 1280 | srup = 0; |
| 1281 | srun = 0; |
| 1282 | |
| 1283 | if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1284 | rcomp1 = 0x00050431; |
| 1285 | } else { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1286 | rcomp1 = 0x00050542; |
| 1287 | } |
| 1288 | if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) { |
Angel Pons | 94eea6f | 2021-02-06 15:03:48 +0100 | [diff] [blame] | 1289 | rcomp2 = 0x14c42827; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1290 | } else { |
| 1291 | rcomp2 = 0x19042827; |
| 1292 | } |
| 1293 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1294 | FOR_EACH_RCOMP_GROUP(i) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1295 | reg8 = rcompupdate[i]; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1296 | mchbar_clrsetbits8(C0RCOMPCTRLx(i), 1 << 0, reg8); |
| 1297 | mchbar_clrbits8(C0RCOMPCTRLx(i), 1 << 1); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1298 | |
| 1299 | reg16 = rcompslew; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1300 | mchbar_clrsetbits16(C0RCOMPCTRLx(i), 0xf << 12, reg16 << 12); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1301 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1302 | mchbar_write8(C0RCOMPMULTx(i), rcompstr[i]); |
| 1303 | mchbar_write16(C0SCOMPVREFx(i), rcompscomp[i]); |
| 1304 | mchbar_clrsetbits8(C0DCOMPx(i), 0x03, rcompdelay[i]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1305 | if (i == 2) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1306 | /* FIXME: Why are we rewriting this? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1307 | mchbar_clrsetbits16(C0RCOMPCTRLx(i), 0xf << 12, reg16 << 12); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1308 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1309 | mchbar_write8(C0RCOMPMULTx(i), rcompstr2[s->dimm_config[0]]); |
| 1310 | mchbar_write16(C0SCOMPVREFx(i), rcompscomp2[s->dimm_config[0]]); |
| 1311 | mchbar_clrsetbits8(C0DCOMPx(i), 0x03, rcompdelay2[s->dimm_config[0]]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1312 | } |
| 1313 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1314 | mchbar_clrbits16(C0SLEWBASEx(i), 0x7f7f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1315 | |
| 1316 | /* FIXME: Why not do a single dword write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1317 | mchbar_clrbits16(C0SLEWPULUTx(i), 0x3f3f); |
| 1318 | mchbar_clrbits16(C0SLEWPULUTx(i) + 2, 0x3f3f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1319 | |
| 1320 | /* FIXME: Why not do a single dword write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1321 | mchbar_clrbits16(C0SLEWPDLUTx(i), 0x3f3f); |
| 1322 | mchbar_clrbits16(C0SLEWPDLUTx(i) + 2, 0x3f3f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1323 | } |
| 1324 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1325 | /* FIXME: Hardcoded */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1326 | mchbar_clrsetbits8(C0ODTRECORDX, 0x3f, 0x36); |
| 1327 | mchbar_clrsetbits8(C0DQSODTRECORDX, 0x3f, 0x36); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1328 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1329 | FOR_EACH_RCOMP_GROUP(i) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1330 | mchbar_clrbits8(C0RCOMPCTRLx(i), 3 << 5); |
| 1331 | mchbar_clrbits16(C0RCOMPCTRLx(i) + 2, 0x0706); |
| 1332 | mchbar_clrbits16(C0RCOMPOSVx(i), 0x7f7f); |
| 1333 | mchbar_clrbits16(C0SCOMPOFFx(i), 0x3f3f); |
| 1334 | mchbar_clrbits16(C0DCOMPOFFx(i), 0x1f1f); |
| 1335 | mchbar_clrbits8(C0DCOMPOFFx(i) + 2, 0x1f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1336 | } |
| 1337 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1338 | mchbar_clrbits16(C0ODTRECORDX, 0xffc0); |
| 1339 | mchbar_clrbits16(C0ODTRECORDX + 2, 0x000f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1340 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1341 | /* FIXME: Why not do a single dword write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1342 | mchbar_clrbits16(C0DQSODTRECORDX, 0xffc0); |
| 1343 | mchbar_clrbits16(C0DQSODTRECORDX + 2, 0x000f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1344 | |
| 1345 | FOR_EACH_RCOMP_GROUP(i) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1346 | mchbar_write16(C0SCOMPOVRx(i), rcompf[i]); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1347 | |
| 1348 | /* FIXME: Why not do a single dword write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1349 | mchbar_write16(C0DCOMPOVRx(i) + 0, 0x1219); |
| 1350 | mchbar_write16(C0DCOMPOVRx(i) + 2, 0x000c); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1351 | } |
| 1352 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1353 | mchbar_clrsetbits32(DCMEASBUFOVR, 0x001f1f1f, 0x000c1219); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1354 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1355 | /* FIXME: Why not do a single word write? */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1356 | mchbar_clrsetbits16(XCOMPSDR0BNS, 0x1f << 8, 0x12 << 8); |
| 1357 | mchbar_clrsetbits8(XCOMPSDR0BNS, 0x1f << 0, 0x12 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1358 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1359 | mchbar_write32(COMPCTRL3, 0x007c9007); |
| 1360 | mchbar_write32(OFREQDELSEL, rcomp1); |
| 1361 | mchbar_write16(XCOMPCMNBNS, 0x1f7f); |
| 1362 | mchbar_write32(COMPCTRL2, rcomp2); |
| 1363 | mchbar_clrsetbits16(XCOMPDFCTRL, 0xf, 1); |
| 1364 | mchbar_write16(ZQCALCTRL, 0x0134); |
| 1365 | mchbar_write32(COMPCTRL1, 0x4c293600); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1366 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1367 | mchbar_clrsetbits8(COMPCTRL1 + 3, 0x44, 1 << 6 | 1 << 2); |
| 1368 | mchbar_clrbits16(XCOMPSDR0BNS, 1 << 13); |
| 1369 | mchbar_clrbits8(XCOMPSDR0BNS, 1 << 5); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1370 | |
| 1371 | FOR_EACH_RCOMP_GROUP(i) { |
Angel Pons | 07ccc8d | 2021-03-26 19:07:49 +0100 | [diff] [blame] | 1372 | /* POR values are zero */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1373 | mchbar_clrbits8(C0RCOMPCTRLx(i) + 2, 0x71); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1374 | } |
| 1375 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1376 | if ((mchbar_read32(COMPCTRL1) & (1 << 30)) == 0) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1377 | /* Start COMP */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1378 | mchbar_setbits8(COMPCTRL1, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1379 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1380 | /* Wait until COMP is done */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1381 | while ((mchbar_read8(COMPCTRL1) & 1) != 0) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1382 | ; |
| 1383 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1384 | reg32 = mchbar_read32(XCOMP); |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 1385 | rcompp = (u8)((reg32 & ~(1 << 31)) >> 24); |
| 1386 | rcompn = (u8)((reg32 & ~(0xff800000)) >> 16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1387 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1388 | FOR_EACH_RCOMP_GROUP(i) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1389 | srup = (mchbar_read8(C0RCOMPCTRLx(i) + 1) & 0xc0) >> 6; |
| 1390 | srun = (mchbar_read8(C0RCOMPCTRLx(i) + 1) & 0x30) >> 4; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1391 | |
| 1392 | /* FIXME: Why not do a single word write? */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1393 | reg16 = (u16)(rcompp - (1 << (srup + 1))) << 8; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1394 | mchbar_clrsetbits16(C0SLEWBASEx(i), 0x7f << 8, reg16); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1395 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1396 | reg16 = (u16)(rcompn - (1 << (srun + 1))); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1397 | mchbar_clrsetbits8(C0SLEWBASEx(i), 0x7f, (u8)reg16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1398 | } |
| 1399 | |
| 1400 | reg8 = rcompp - (1 << (srup + 1)); |
| 1401 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1402 | mchbar_clrsetbits8(C0SLEWPULUTx(0) + i, 0x3f, rcomplut[j][0]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1403 | } |
| 1404 | |
| 1405 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) { |
| 1406 | if (s->dimm_config[0] < 3 || s->dimm_config[0] == 5) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1407 | mchbar_clrsetbits8(C0SLEWPULUTx(2) + i, 0x3f, rcomplut[j][10]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1412 | mchbar_clrsetbits8(C0SLEWPULUTx(3) + i, 0x3f, rcomplut[j][6]); |
| 1413 | mchbar_clrsetbits8(C0SLEWPULUTx(4) + i, 0x3f, rcomplut[j][6]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1414 | } |
| 1415 | |
| 1416 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1417 | mchbar_clrsetbits8(C0SLEWPULUTx(5) + i, 0x3f, rcomplut[j][8]); |
| 1418 | mchbar_clrsetbits8(C0SLEWPULUTx(6) + i, 0x3f, rcomplut[j][8]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | reg8 = rcompn - (1 << (srun + 1)); |
| 1422 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1423 | mchbar_clrsetbits8(C0SLEWPDLUTx(0) + i, 0x3f, rcomplut[j][1]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) { |
| 1427 | if (s->dimm_config[0] < 3 || s->dimm_config[0] == 5) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1428 | mchbar_clrsetbits8(C0SLEWPDLUTx(2) + i, 0x3f, rcomplut[j][11]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1429 | } |
| 1430 | } |
| 1431 | |
| 1432 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1433 | mchbar_clrsetbits8(C0SLEWPDLUTx(3) + i, 0x3f, rcomplut[j][7]); |
| 1434 | mchbar_clrsetbits8(C0SLEWPDLUTx(4) + i, 0x3f, rcomplut[j][7]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1435 | } |
| 1436 | |
| 1437 | for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1438 | mchbar_clrsetbits8(C0SLEWPDLUTx(5) + i, 0x3f, rcomplut[j][9]); |
| 1439 | mchbar_clrsetbits8(C0SLEWPDLUTx(6) + i, 0x3f, rcomplut[j][9]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1440 | } |
| 1441 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1442 | mchbar_setbits8(COMPCTRL1, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1443 | } |
| 1444 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1445 | /* FIXME: The ODT tables are for DDR2 only! */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1446 | static void sdram_odt(struct sysinfo *s) |
| 1447 | { |
| 1448 | u8 rankindex = 0; |
| 1449 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1450 | static const u16 odt_rankctrl[16] = { |
| 1451 | /* NC_NC, 1R_NC, NV, 2R_NC, NC_1R, 1R_1R, NV, 2R_1R, */ |
| 1452 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0044, 0x1111, 0x0000, 0x1111, |
| 1453 | /* NV, NV, NV, NV, NC_2R, 1R_2R, NV, 2R_2R, */ |
| 1454 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0044, 0x1111, 0x0000, 0x1111, |
| 1455 | }; |
| 1456 | static const u16 odt_matrix[16] = { |
| 1457 | /* NC_NC, 1R_NC, NV, 2R_NC, NC_1R, 1R_1R, NV, 2R_1R, */ |
| 1458 | 0x0000, 0x0011, 0x0000, 0x0011, 0x0000, 0x4444, 0x0000, 0x4444, |
| 1459 | /* NV, NV, NV, NV, NC_2R, 1R_2R, NV, 2R_2R, */ |
| 1460 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x4444, 0x0000, 0x4444, |
| 1461 | }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1462 | |
| 1463 | switch (s->dimms[0].ranks) { |
| 1464 | case 0: |
| 1465 | if (s->dimms[1].ranks == 0) { |
| 1466 | rankindex = 0; |
| 1467 | } else if (s->dimms[1].ranks == 1) { |
| 1468 | rankindex = 4; |
| 1469 | } else if (s->dimms[1].ranks == 2) { |
| 1470 | rankindex = 12; |
| 1471 | } |
| 1472 | break; |
| 1473 | case 1: |
| 1474 | if (s->dimms[1].ranks == 0) { |
| 1475 | rankindex = 1; |
| 1476 | } else if (s->dimms[1].ranks == 1) { |
| 1477 | rankindex = 5; |
| 1478 | } else if (s->dimms[1].ranks == 2) { |
| 1479 | rankindex = 13; |
| 1480 | } |
| 1481 | break; |
| 1482 | case 2: |
| 1483 | if (s->dimms[1].ranks == 0) { |
| 1484 | rankindex = 3; |
| 1485 | } else if (s->dimms[1].ranks == 1) { |
| 1486 | rankindex = 7; |
| 1487 | } else if (s->dimms[1].ranks == 2) { |
| 1488 | rankindex = 15; |
| 1489 | } |
| 1490 | break; |
| 1491 | } |
| 1492 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1493 | /* Program the ODT Matrix */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1494 | mchbar_write16(C0ODT, odt_matrix[rankindex]); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1495 | |
| 1496 | /* Program the ODT Rank Control */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1497 | mchbar_write16(C0ODTRKCTRL, odt_rankctrl[rankindex]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | static void sdram_mmap(struct sysinfo *s) |
| 1501 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1502 | TABLE u32 w260[7] = {0, 0x400001, 0xc00001, 0x500000, 0xf00000, 0xc00001, 0xf00000}; |
| 1503 | TABLE u32 w208[7] = {0, 0x10000, 0x1010000, 0x10001, 0x1010101, 0x1010000, 0x1010101}; |
| 1504 | TABLE u32 w200[7] = {0, 0, 0, 0x20002, 0x40002, 0, 0x40002}; |
| 1505 | TABLE u32 w204[7] = {0, 0x20002, 0x40002, 0x40004, 0x80006, 0x40002, 0x80006}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1506 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1507 | TABLE u16 tolud[7] = {2048, 2048, 4096, 4096, 8192, 4096, 8192}; |
| 1508 | TABLE u16 tom[7] = { 2, 2, 4, 4, 8, 4, 8}; |
| 1509 | TABLE u16 touud[7] = { 128, 128, 256, 256, 512, 256, 512}; |
| 1510 | TABLE u32 gbsm[7] = {1 << 27, 1 << 27, 1 << 28, 1 << 27, 1 << 29, 1 << 28, 1 << 29}; |
| 1511 | TABLE u32 bgsm[7] = {1 << 27, 1 << 27, 1 << 28, 1 << 27, 1 << 29, 1 << 28, 1 << 29}; |
| 1512 | TABLE u32 tsegmb[7] = {1 << 27, 1 << 27, 1 << 28, 1 << 27, 1 << 29, 1 << 28, 1 << 29}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1513 | |
| 1514 | if ((s->dimm_config[0] < 3) && rank_is_populated(s->dimms, 0, 0)) { |
| 1515 | if (s->dimms[0].sides > 1) { |
| 1516 | // 2R/NC |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1517 | mchbar_clrsetbits32(C0CKECTRL, 1, 0x300001); |
| 1518 | mchbar_write32(C0DRA01, 0x00000101); |
| 1519 | mchbar_write32(C0DRB0, 0x00040002); |
| 1520 | mchbar_write32(C0DRB2, w204[s->dimm_config[0]]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1521 | } else { |
| 1522 | // 1R/NC |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1523 | mchbar_clrsetbits32(C0CKECTRL, 1, 0x100001); |
| 1524 | mchbar_write32(C0DRA01, 0x00000001); |
| 1525 | mchbar_write32(C0DRB0, 0x00020002); |
| 1526 | mchbar_write32(C0DRB2, w204[s->dimm_config[0]]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1527 | } |
| 1528 | } else if ((s->dimm_config[0] == 5) && rank_is_populated(s->dimms, 0, 0)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1529 | mchbar_clrsetbits32(C0CKECTRL, 1, 0x300001); |
| 1530 | mchbar_write32(C0DRA01, 0x00000101); |
| 1531 | mchbar_write32(C0DRB0, 0x00040002); |
| 1532 | mchbar_write32(C0DRB2, 0x00040004); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1533 | } else { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1534 | mchbar_clrsetbits32(C0CKECTRL, 1, w260[s->dimm_config[0]]); |
| 1535 | mchbar_write32(C0DRA01, w208[s->dimm_config[0]]); |
| 1536 | mchbar_write32(C0DRB0, w200[s->dimm_config[0]]); |
| 1537 | mchbar_write32(C0DRB2, w204[s->dimm_config[0]]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1538 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1539 | pci_write_config16(HOST_BRIDGE, 0xb0, tolud[s->dimm_config[0]]); |
| 1540 | pci_write_config16(HOST_BRIDGE, 0xa0, tom[s->dimm_config[0]]); |
| 1541 | pci_write_config16(HOST_BRIDGE, 0xa2, touud[s->dimm_config[0]]); |
| 1542 | pci_write_config32(HOST_BRIDGE, 0xa4, gbsm[s->dimm_config[0]]); |
| 1543 | pci_write_config32(HOST_BRIDGE, 0xa8, bgsm[s->dimm_config[0]]); |
| 1544 | pci_write_config32(HOST_BRIDGE, 0xac, tsegmb[s->dimm_config[0]]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1545 | } |
| 1546 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1547 | static u8 sdram_checkrcompoverride(void) |
| 1548 | { |
| 1549 | u32 xcomp; |
| 1550 | u8 aa, bb, a, b, c, d; |
| 1551 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1552 | xcomp = mchbar_read32(XCOMP); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1553 | a = (u8)((xcomp & 0x7f000000) >> 24); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1554 | b = (u8)((xcomp & 0x007f0000) >> 16); |
| 1555 | c = (u8)((xcomp & 0x00003f00) >> 8); |
| 1556 | d = (u8)((xcomp & 0x0000003f) >> 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1557 | |
| 1558 | if (a > b) { |
| 1559 | aa = a - b; |
| 1560 | } else { |
| 1561 | aa = b - a; |
| 1562 | } |
| 1563 | if (c > d) { |
| 1564 | bb = c - d; |
| 1565 | } else { |
| 1566 | bb = d - c; |
| 1567 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1568 | if ((aa > 18) || (bb > 7) || (a <= 5) || (b <= 5) || (c <= 5) || (d <= 5) || |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1569 | (a >= 0x7a) || (b >= 0x7a) || (c >= 0x3a) || (d >= 0x3a)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1570 | mchbar_write32(RCMEASBUFXOVR, 0x9718a729); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1571 | return 1; |
| 1572 | } |
| 1573 | return 0; |
| 1574 | } |
| 1575 | |
| 1576 | static void sdram_rcompupdate(struct sysinfo *s) |
| 1577 | { |
| 1578 | u8 i, ok; |
| 1579 | u32 reg32a, reg32b; |
| 1580 | |
| 1581 | ok = 0; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1582 | mchbar_clrbits8(XCOMPDFCTRL, 1 << 3); |
| 1583 | mchbar_clrbits8(COMPCTRL1, 1 << 7); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1584 | for (i = 0; i < 3; i++) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1585 | mchbar_setbits8(COMPCTRL1, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1586 | hpet_udelay(1000); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1587 | while ((mchbar_read8(COMPCTRL1) & 1) != 0) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1588 | ; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1589 | ok |= sdram_checkrcompoverride(); |
| 1590 | } |
| 1591 | if (!ok) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1592 | reg32a = mchbar_read32(XCOMP); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1593 | reg32b = ((reg32a >> 16) & 0x0000ffff); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1594 | reg32a = ((reg32a << 16) & 0xffff0000) | reg32b; |
| 1595 | reg32a |= (1 << 31) | (1 << 15); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1596 | mchbar_write32(RCMEASBUFXOVR, reg32a); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1597 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1598 | mchbar_setbits8(COMPCTRL1, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1599 | hpet_udelay(1000); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1600 | while ((mchbar_read8(COMPCTRL1) & 1) != 0) |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1601 | ; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1602 | } |
| 1603 | |
| 1604 | static void __attribute__((noinline)) |
| 1605 | sdram_jedec(struct sysinfo *s, u8 rank, u8 jmode, u16 jval) |
| 1606 | { |
| 1607 | u32 reg32; |
| 1608 | |
| 1609 | reg32 = jval << 3; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1610 | reg32 |= rank * (1 << 27); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1611 | mchbar_clrsetbits8(C0JEDEC, 0x3e, jmode); |
Elyes Haouas | a361d35 | 2022-12-03 13:33:48 +0100 | [diff] [blame] | 1612 | read32p(reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1613 | barrier(); |
| 1614 | hpet_udelay(1); // 1us |
| 1615 | } |
| 1616 | |
| 1617 | static void sdram_zqcl(struct sysinfo *s) |
| 1618 | { |
| 1619 | if (s->boot_path == BOOT_PATH_RESUME) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1620 | mchbar_setbits32(C0CKECTRL, 1 << 27); |
| 1621 | mchbar_clrsetbits8(C0JEDEC, 0x0e, NORMAL_OP_CMD); |
| 1622 | mchbar_clrbits8(C0JEDEC, 3 << 4); |
| 1623 | mchbar_clrsetbits32(C0REFRCTRL2, 3 << 30, 3 << 30); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1624 | } |
| 1625 | } |
| 1626 | |
| 1627 | static void sdram_jedecinit(struct sysinfo *s) |
| 1628 | { |
| 1629 | u8 r, i, ch; |
| 1630 | u16 reg16, mrs, rttnom; |
| 1631 | struct jedeclist { |
| 1632 | char debug[15]; |
| 1633 | u8 cmd; |
| 1634 | u16 val; |
| 1635 | }; |
| 1636 | |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 1637 | static const struct jedeclist jedec[12] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1638 | { " NOP ", NOP_CMD, 0 }, |
| 1639 | { " PRE CHARGE ", PRE_CHARGE_CMD, 0 }, |
| 1640 | { " EMRS2 ", EMRS2_CMD, 0 }, |
| 1641 | { " EMRS3 ", EMRS3_CMD, 0 }, |
| 1642 | { " EMRS1 ", EMRS1_CMD, 0 }, |
| 1643 | { " DLL RESET ", MRS_CMD, (1 << 8) }, |
| 1644 | { " PRE CHARGE ", PRE_CHARGE_CMD, 0 }, |
| 1645 | { " AUTOREFRESH", CBR_CMD, 0 }, |
| 1646 | { " AUTOREFRESH", CBR_CMD, 0 }, |
| 1647 | { " INITIALISE ", MRS_CMD, 0 }, |
| 1648 | { " EMRS1 OCD ", EMRS1_CMD, (1 << 9) | (1 << 8) | (1 << 7) }, |
| 1649 | { " EMRS1 EXIT ", EMRS1_CMD, 0 } |
| 1650 | }; |
| 1651 | |
| 1652 | mrs = (s->selected_timings.CAS << 4) | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1653 | ((s->selected_timings.tWR - 1) << 9) | (1 << 3) | (1 << 1) | 3; |
| 1654 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1655 | rttnom = (1 << 2); |
| 1656 | if (rank_is_populated(s->dimms, 0, 0) && rank_is_populated(s->dimms, 0, 2)) { |
| 1657 | rttnom |= (1 << 6); |
| 1658 | } |
| 1659 | |
| 1660 | hpet_udelay(200); // 200us |
| 1661 | reg16 = 0; |
| 1662 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 1663 | for (i = 0; i < 12; i++) { |
| 1664 | PRINTK_DEBUG("Rank:%d Jedec:%14s...", r, jedec[i].debug); |
| 1665 | reg16 = jedec[i].val; |
| 1666 | switch (jedec[i].cmd) { |
| 1667 | case EMRS1_CMD: |
| 1668 | reg16 |= rttnom; |
| 1669 | break; |
| 1670 | case MRS_CMD: |
| 1671 | reg16 |= mrs; |
| 1672 | break; |
| 1673 | default: |
| 1674 | break; |
| 1675 | } |
| 1676 | sdram_jedec(s, r, jedec[i].cmd, reg16); |
| 1677 | PRINTK_DEBUG("done\n"); |
| 1678 | } |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | static void sdram_misc(struct sysinfo *s) |
| 1683 | { |
| 1684 | u32 reg32; |
| 1685 | |
| 1686 | reg32 = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1687 | reg32 |= (4 << 13); |
| 1688 | reg32 |= (6 << 8); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1689 | mchbar_clrsetbits32(C0DYNRDCTRL, 0x3ff << 8, reg32); |
| 1690 | mchbar_clrbits8(C0DYNRDCTRL, 1 << 7); |
| 1691 | mchbar_setbits8(C0REFRCTRL + 3, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1692 | if (s->boot_path != BOOT_PATH_RESUME) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1693 | mchbar_clrsetbits8(C0JEDEC, 0x0e, NORMAL_OP_CMD); |
| 1694 | mchbar_clrbits8(C0JEDEC, 3 << 4); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1695 | } else { |
| 1696 | sdram_zqcl(s); |
| 1697 | } |
| 1698 | } |
| 1699 | |
| 1700 | static void sdram_checkreset(void) |
| 1701 | { |
| 1702 | u8 pmcon2, pmcon3, reset; |
| 1703 | |
| 1704 | pmcon2 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); |
| 1705 | pmcon3 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4); |
| 1706 | pmcon3 &= ~0x2; |
| 1707 | if (pmcon2 & 0x80) { |
| 1708 | pmcon2 &= ~0x80; |
| 1709 | reset = 1; |
| 1710 | } else { |
| 1711 | pmcon2 |= 0x80; |
| 1712 | reset = 0; |
| 1713 | } |
| 1714 | if (pmcon2 & 0x4) { |
| 1715 | pmcon2 |= 0x4; |
| 1716 | pmcon3 = (pmcon3 & ~0x30) | 0x30; |
| 1717 | pmcon3 |= (1 << 3); |
| 1718 | } |
| 1719 | pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2); |
| 1720 | pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, pmcon3); |
Elyes HAOUAS | 1bc7b6e | 2019-05-05 16:29:41 +0200 | [diff] [blame] | 1721 | if (reset) |
| 1722 | full_reset(); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1723 | } |
| 1724 | |
| 1725 | static void sdram_dradrb(struct sysinfo *s) |
| 1726 | { |
| 1727 | u8 i, reg8, ch, r; |
| 1728 | u32 reg32, ind, c0dra, c0drb, dra; |
| 1729 | u16 addr; |
| 1730 | i = 0; |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 1731 | static const u8 dratab[2][2][2][4] = |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1732 | {{ |
| 1733 | { |
| 1734 | {0xff, 0xff, 0xff, 0xff}, |
| 1735 | {0xff, 0x00, 0x02, 0xff} |
| 1736 | }, |
| 1737 | { |
| 1738 | {0xff, 0x01, 0xff, 0xff}, |
| 1739 | {0xff, 0x03, 0xff, 0x06} |
| 1740 | } |
| 1741 | }, |
| 1742 | { |
| 1743 | { |
| 1744 | {0xff, 0xff, 0xff, 0xff}, |
| 1745 | {0xff, 0x04, 0x06, 0x08} |
| 1746 | }, |
| 1747 | { |
| 1748 | {0xff, 0xff, 0xff, 0xff}, |
| 1749 | {0x05, 0x07, 0x09, 0xff} |
| 1750 | } |
| 1751 | }}; |
| 1752 | |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 1753 | static const u8 dradrb[10][6] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1754 | //Row Col Bank Width DRB |
| 1755 | {0x01, 0x01, 0x00, 0x08, 0, 0x04}, |
| 1756 | {0x01, 0x00, 0x00, 0x10, 0, 0x02}, |
| 1757 | {0x02, 0x01, 0x00, 0x08, 1, 0x08}, |
| 1758 | {0x01, 0x01, 0x00, 0x10, 1, 0x04}, |
| 1759 | {0x01, 0x01, 0x01, 0x08, 1, 0x08}, |
| 1760 | {0x00, 0x01, 0x01, 0x10, 1, 0x04}, |
| 1761 | {0x02, 0x01, 0x01, 0x08, 2, 0x10}, |
| 1762 | {0x01, 0x01, 0x01, 0x10, 2, 0x08}, |
| 1763 | {0x03, 0x01, 0x01, 0x08, 3, 0x20}, |
| 1764 | {0x02, 0x01, 0x01, 0x10, 3, 0x10}, |
| 1765 | }; |
| 1766 | |
| 1767 | reg32 = 0; |
| 1768 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 1769 | i = r / 2; |
| 1770 | PRINTK_DEBUG("RANK %d PRESENT\n", r); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1771 | dra = dratab |
| 1772 | [s->dimms[i].banks] |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1773 | [s->dimms[i].width] |
| 1774 | [s->dimms[i].cols - 9] |
| 1775 | [s->dimms[i].rows - 12]; |
| 1776 | |
| 1777 | if (s->dimms[i].banks == 1) { |
| 1778 | dra |= (1 << 7); |
| 1779 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1780 | reg32 |= (dra << (r * 8)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1781 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1782 | mchbar_write32(C0DRA01, reg32); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1783 | c0dra = reg32; |
| 1784 | PRINTK_DEBUG("C0DRA = 0x%08x\n", c0dra); |
| 1785 | |
| 1786 | reg32 = 0; |
| 1787 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 1788 | reg32 |= (1 << r); |
| 1789 | } |
| 1790 | reg8 = (u8)(reg32 << 4) & 0xf0; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1791 | mchbar_clrsetbits8(C0CKECTRL + 2, 0xf0, reg8); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1792 | |
| 1793 | if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) || ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1794 | mchbar_setbits8(C0CKECTRL, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1795 | } |
| 1796 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1797 | addr = C0DRB0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1798 | c0drb = 0; |
| 1799 | FOR_EACH_RANK(ch, r) { |
| 1800 | if (rank_is_populated(s->dimms, ch, r)) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1801 | ind = (c0dra >> (8 * r)) & 0x7f; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1802 | c0drb = (u16)(c0drb + dradrb[ind][5]); |
| 1803 | s->channel_capacity[0] += dradrb[ind][5] << 6; |
| 1804 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1805 | mchbar_write16(addr, c0drb); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1806 | addr += 2; |
| 1807 | } |
| 1808 | printk(BIOS_DEBUG, "Total memory = %dMB\n", s->channel_capacity[0]); |
| 1809 | } |
| 1810 | |
| 1811 | static u8 sampledqs(u32 dqshighaddr, u32 strobeaddr, u8 highlow, u8 count) |
| 1812 | { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1813 | u8 dqsmatches = 1; |
| 1814 | while (count--) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1815 | mchbar_clrbits8(C0RSTCTL, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1816 | hpet_udelay(1); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1817 | mchbar_setbits8(C0RSTCTL, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1818 | hpet_udelay(1); |
| 1819 | barrier(); |
Elyes Haouas | a361d35 | 2022-12-03 13:33:48 +0100 | [diff] [blame] | 1820 | read32p(strobeaddr); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1821 | barrier(); |
| 1822 | hpet_udelay(1); |
| 1823 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1824 | if (((mchbar_read8(dqshighaddr) & (1 << 6)) >> 6) != highlow) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1825 | dqsmatches = 0; |
| 1826 | } |
| 1827 | } |
| 1828 | |
| 1829 | return dqsmatches; |
| 1830 | } |
| 1831 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1832 | static void rcvenclock(u8 *coarse, u8 *medium, u8 lane) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1833 | { |
| 1834 | if (*medium < 3) { |
| 1835 | (*medium)++; |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1836 | mchbar_clrsetbits16(C0RCVMISCCTL2, 3 << (lane * 2), *medium << (lane * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1837 | } else { |
| 1838 | *medium = 0; |
| 1839 | (*coarse)++; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1840 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, *coarse << 16); |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1841 | mchbar_clrsetbits16(C0RCVMISCCTL2, 3 << (lane * 2), *medium << (lane * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1842 | } |
| 1843 | } |
| 1844 | |
| 1845 | static void sdram_rcven(struct sysinfo *s) |
| 1846 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1847 | u8 coarse, savecoarse; |
| 1848 | u8 medium, savemedium; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1849 | u8 pi, savepi; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1850 | u8 lane; |
| 1851 | u8 lanecoarse[8] = {0}; |
| 1852 | u8 minlanecoarse = 0xff; |
| 1853 | u8 offset; |
| 1854 | u8 maxlane = 8; |
Arthur Heymans | 015339f | 2018-08-20 11:28:58 +0200 | [diff] [blame] | 1855 | /* Since dra/drb is already set up we know that at address 0x00000000 |
| 1856 | we will always find the first available rank */ |
| 1857 | u32 strobeaddr = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1858 | u32 dqshighaddr; |
| 1859 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1860 | mchbar_clrbits8(C0RSTCTL, 3 << 2); |
| 1861 | mchbar_clrbits8(CMNDQFIFORST, 1 << 7); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1862 | |
| 1863 | PRINTK_DEBUG("rcven 0\n"); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1864 | for (lane = 0; lane < maxlane; lane++) { |
| 1865 | PRINTK_DEBUG("rcven lane %d\n", lane); |
| 1866 | // trylaneagain: |
| 1867 | dqshighaddr = C0MISCCTLy(lane); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1868 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1869 | coarse = s->selected_timings.CAS + 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1870 | pi = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1871 | medium = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1872 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1873 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, coarse << 16); |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1874 | mchbar_clrsetbits16(C0RCVMISCCTL2, 3 << (lane * 2), medium << (lane * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1875 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1876 | mchbar_clrbits8(C0RXRCVyDLL(lane), 0x3f); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1877 | |
| 1878 | savecoarse = coarse; |
| 1879 | savemedium = medium; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1880 | savepi = pi; |
| 1881 | |
| 1882 | PRINTK_DEBUG("rcven 0.1\n"); |
| 1883 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1884 | // XXX comment out |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1885 | // mchbar_clrsetbits16(C0RCVMISCCTL1, 3 << (lane * 2), 1 << (lane * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1886 | |
| 1887 | while (sampledqs(dqshighaddr, strobeaddr, 0, 3) == 0) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1888 | // printk(BIOS_DEBUG, "coarse=%d medium=%d\n", coarse, medium); |
| 1889 | rcvenclock(&coarse, &medium, lane); |
| 1890 | if (coarse > 0xf) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1891 | PRINTK_DEBUG("Error: coarse > 0xf\n"); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1892 | // goto trylaneagain; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1893 | break; |
| 1894 | } |
| 1895 | } |
| 1896 | PRINTK_DEBUG("rcven 0.2\n"); |
| 1897 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1898 | savecoarse = coarse; |
| 1899 | savemedium = medium; |
| 1900 | rcvenclock(&coarse, &medium, lane); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1901 | |
| 1902 | while (sampledqs(dqshighaddr, strobeaddr, 1, 3) == 0) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1903 | savecoarse = coarse; |
| 1904 | savemedium = medium; |
| 1905 | rcvenclock(&coarse, &medium, lane); |
| 1906 | if (coarse > 0xf) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1907 | PRINTK_DEBUG("Error: coarse > 0xf\n"); |
| 1908 | //goto trylaneagain; |
| 1909 | break; |
| 1910 | } |
| 1911 | } |
| 1912 | |
| 1913 | PRINTK_DEBUG("rcven 0.3\n"); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1914 | coarse = savecoarse; |
| 1915 | medium = savemedium; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1916 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, coarse << 16); |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1917 | mchbar_clrsetbits16(C0RCVMISCCTL2, 3 << (lane * 2), medium << (lane * 2)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1918 | |
| 1919 | while (sampledqs(dqshighaddr, strobeaddr, 1, 3) == 0) { |
| 1920 | savepi = pi; |
| 1921 | pi++; |
| 1922 | if (pi > s->maxpi) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1923 | // if (s->nodll) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1924 | pi = savepi = s->maxpi; |
| 1925 | break; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1926 | // } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1927 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1928 | mchbar_clrsetbits8(C0RXRCVyDLL(lane), 0x3f, pi << s->pioffset); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1929 | } |
| 1930 | PRINTK_DEBUG("rcven 0.4\n"); |
| 1931 | |
| 1932 | pi = savepi; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1933 | mchbar_clrsetbits8(C0RXRCVyDLL(lane), 0x3f, pi << s->pioffset); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1934 | rcvenclock(&coarse, &medium, lane); |
| 1935 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1936 | if (sampledqs(dqshighaddr, strobeaddr, 1, 1) == 0) { |
| 1937 | PRINTK_DEBUG("Error: DQS not high\n"); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1938 | // goto trylaneagain; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1939 | } |
| 1940 | PRINTK_DEBUG("rcven 0.5\n"); |
| 1941 | while (sampledqs(dqshighaddr, strobeaddr, 0, 3) == 0) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1942 | coarse--; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1943 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, coarse << 16); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1944 | if (coarse == 0) { |
Elyes HAOUAS | 3d45000 | 2018-08-09 18:55:58 +0200 | [diff] [blame] | 1945 | PRINTK_DEBUG("Error: DQS did not hit 0\n"); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1946 | break; |
| 1947 | } |
| 1948 | } |
| 1949 | |
| 1950 | PRINTK_DEBUG("rcven 0.6\n"); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1951 | rcvenclock(&coarse, &medium, lane); |
| 1952 | s->pi[lane] = pi; |
| 1953 | lanecoarse[lane] = coarse; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1954 | } |
| 1955 | |
| 1956 | PRINTK_DEBUG("rcven 1\n"); |
| 1957 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1958 | lane = maxlane; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1959 | do { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1960 | lane--; |
| 1961 | if (minlanecoarse > lanecoarse[lane]) { |
| 1962 | minlanecoarse = lanecoarse[lane]; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1963 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1964 | } while (lane != 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1965 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1966 | lane = maxlane; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1967 | do { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1968 | lane--; |
| 1969 | offset = lanecoarse[lane] - minlanecoarse; |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 1970 | mchbar_clrsetbits16(C0COARSEDLY0, 3 << (lane * 2), offset << (lane * 2)); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1971 | } while (lane != 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1972 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1973 | mchbar_clrsetbits32(C0STATRDCTRL, 0xf << 16, minlanecoarse << 16); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1974 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1975 | s->coarsectrl = minlanecoarse; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1976 | s->coarsedelay = mchbar_read16(C0COARSEDLY0); |
| 1977 | s->mediumphase = mchbar_read16(C0RCVMISCCTL2); |
| 1978 | s->readptrdelay = mchbar_read16(C0RCVMISCCTL1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1979 | |
| 1980 | PRINTK_DEBUG("rcven 2\n"); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1981 | mchbar_clrbits8(C0RSTCTL, 7 << 1); |
| 1982 | mchbar_setbits8(C0RSTCTL, 1 << 1); |
| 1983 | mchbar_setbits8(C0RSTCTL, 1 << 2); |
| 1984 | mchbar_setbits8(C0RSTCTL, 1 << 3); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1985 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 1986 | mchbar_setbits8(CMNDQFIFORST, 1 << 7); |
| 1987 | mchbar_clrbits8(CMNDQFIFORST, 1 << 7); |
| 1988 | mchbar_setbits8(CMNDQFIFORST, 1 << 7); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1989 | PRINTK_DEBUG("rcven 3\n"); |
| 1990 | } |
| 1991 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1992 | /* NOTE: Unless otherwise specified, the values are expressed in MiB */ |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1993 | static void sdram_mmap_regs(struct sysinfo *s) |
| 1994 | { |
| 1995 | bool reclaim; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1996 | u32 mmiosize, tom, tolud, touud, reclaimbase, reclaimlimit; |
| 1997 | u32 gfxbase, gfxsize, gttbase, gttsize, tsegbase, tsegsize; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 1998 | u16 ggc; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 1999 | u16 ggc_to_uma[10] = {0, 1, 4, 8, 16, 32, 48, 64, 128, 256}; |
| 2000 | u8 ggc_to_gtt[4] = {0, 1, 0, 0}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2001 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2002 | reclaimbase = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2003 | reclaimlimit = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2004 | |
| 2005 | ggc = pci_read_config16(HOST_BRIDGE, GGC); |
Damien Zammit | 51fdb92 | 2016-01-18 18:34:52 +1100 | [diff] [blame] | 2006 | printk(BIOS_DEBUG, "GGC = 0x%04x\n", ggc); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2007 | |
| 2008 | gfxsize = ggc_to_uma[(ggc & 0x00f0) >> 4]; |
| 2009 | |
| 2010 | gttsize = ggc_to_gtt[(ggc & 0x0300) >> 8]; |
| 2011 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2012 | tom = s->channel_capacity[0]; |
| 2013 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2014 | /* With GTT always being 1M, TSEG 1M is the only setting that can |
Arthur Heymans | da44e34 | 2019-01-12 01:38:02 +0100 | [diff] [blame] | 2015 | be covered by SMRR which has alignment requirements. */ |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2016 | tsegsize = 1; |
| 2017 | mmiosize = 1024; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2018 | |
| 2019 | reclaim = false; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2020 | tolud = MIN(4096 - mmiosize, tom); |
| 2021 | if ((tom - tolud) > 64) { |
Arthur Heymans | aaebb41 | 2017-08-27 18:46:12 +0200 | [diff] [blame] | 2022 | reclaim = true; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2023 | } |
| 2024 | if (reclaim) { |
| 2025 | tolud = tolud & ~0x3f; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2026 | tom = tom & ~0x3f; |
| 2027 | reclaimbase = MAX(4096, tom); |
| 2028 | reclaimlimit = reclaimbase + (MIN(4096, tom) - tolud) - 0x40; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2029 | } |
| 2030 | touud = tom; |
| 2031 | if (reclaim) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2032 | touud = reclaimlimit + 64; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2033 | } |
| 2034 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2035 | gfxbase = tolud - gfxsize; |
| 2036 | gttbase = gfxbase - gttsize; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2037 | tsegbase = gttbase - tsegsize; |
| 2038 | |
| 2039 | /* Program the regs */ |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2040 | pci_write_config16(HOST_BRIDGE, TOLUD, (u16)(tolud << 4)); |
| 2041 | pci_write_config16(HOST_BRIDGE, TOM, (u16)(tom >> 6)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2042 | if (reclaim) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2043 | pci_write_config16(HOST_BRIDGE, 0x98, (u16)(reclaimbase >> 6)); |
| 2044 | pci_write_config16(HOST_BRIDGE, 0x9a, (u16)(reclaimlimit >> 6)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2045 | } |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2046 | pci_write_config16(HOST_BRIDGE, TOUUD, (u16)(touud)); |
| 2047 | pci_write_config32(HOST_BRIDGE, GBSM, gfxbase << 20); |
| 2048 | pci_write_config32(HOST_BRIDGE, BGSM, gttbase << 20); |
| 2049 | pci_write_config32(HOST_BRIDGE, TSEG, tsegbase << 20); |
Damien Zammit | 51fdb92 | 2016-01-18 18:34:52 +1100 | [diff] [blame] | 2050 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2051 | u8 reg8 = pci_read_config8(HOST_BRIDGE, ESMRAMC); |
| 2052 | reg8 &= ~0x07; |
Arthur Heymans | da44e34 | 2019-01-12 01:38:02 +0100 | [diff] [blame] | 2053 | reg8 |= (0 << 1) | (1 << 0); /* 1M and TSEG_Enable */ |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2054 | pci_write_config8(HOST_BRIDGE, ESMRAMC, reg8); |
Arthur Heymans | 4bdfebd | 2018-04-09 22:10:33 +0200 | [diff] [blame] | 2055 | |
Damien Zammit | 51fdb92 | 2016-01-18 18:34:52 +1100 | [diff] [blame] | 2056 | printk(BIOS_DEBUG, "GBSM (igd) = verified %08x (written %08x)\n", |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2057 | pci_read_config32(HOST_BRIDGE, GBSM), gfxbase << 20); |
Damien Zammit | 51fdb92 | 2016-01-18 18:34:52 +1100 | [diff] [blame] | 2058 | printk(BIOS_DEBUG, "BGSM (gtt) = verified %08x (written %08x)\n", |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2059 | pci_read_config32(HOST_BRIDGE, BGSM), gttbase << 20); |
Damien Zammit | 51fdb92 | 2016-01-18 18:34:52 +1100 | [diff] [blame] | 2060 | printk(BIOS_DEBUG, "TSEG (smm) = verified %08x (written %08x)\n", |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2061 | pci_read_config32(HOST_BRIDGE, TSEG), tsegbase << 20); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2062 | } |
| 2063 | |
| 2064 | static void sdram_enhancedmode(struct sysinfo *s) |
| 2065 | { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2066 | u8 reg8, ch, r, fsb_freq, ddr_freq; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2067 | u32 mask32, reg32; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2068 | mchbar_setbits8(C0ADDCSCTRL, 1 << 0); |
| 2069 | mchbar_setbits8(C0REFRCTRL + 3, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2070 | mask32 = (0x1f << 15) | (0x1f << 10) | (0x1f << 5) | 0x1f; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2071 | reg32 = (0x1e << 15) | (0x10 << 10) | (0x1e << 5) | 0x10; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2072 | mchbar_clrsetbits32(WRWMCONFIG, mask32, reg32); |
| 2073 | mchbar_write8(C0DITCTRL + 1, 2); |
| 2074 | mchbar_write16(C0DITCTRL + 2, 0x0804); |
| 2075 | mchbar_write16(C0DITCTRL + 4, 0x2010); |
| 2076 | mchbar_write8(C0DITCTRL + 6, 0x40); |
| 2077 | mchbar_write16(C0DITCTRL + 8, 0x091c); |
| 2078 | mchbar_write8(C0DITCTRL + 10, 0xf2); |
| 2079 | mchbar_setbits8(C0BYPCTRL, 1 << 0); |
| 2080 | mchbar_setbits8(C0CWBCTRL, 1 << 0); |
| 2081 | mchbar_setbits16(C0ARBSPL, 1 << 8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2082 | |
Angel Pons | 26766fd | 2020-06-08 12:38:19 +0200 | [diff] [blame] | 2083 | pci_or_config8(HOST_BRIDGE, 0xf0, 1); |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2084 | mchbar_write32(SBCTL, 0x00000002); |
| 2085 | mchbar_write32(SBCTL2, 0x20310002); |
| 2086 | mchbar_write32(SLIMCFGTMG, 0x02020302); |
| 2087 | mchbar_write32(HIT0, 0x001f1806); |
| 2088 | mchbar_write32(HIT1, 0x01102800); |
| 2089 | mchbar_write32(HIT2, 0x07000000); |
| 2090 | mchbar_write32(HIT3, 0x01014010); |
| 2091 | mchbar_write32(HIT4, 0x0f038000); |
Angel Pons | 26766fd | 2020-06-08 12:38:19 +0200 | [diff] [blame] | 2092 | pci_and_config8(HOST_BRIDGE, 0xf0, ~1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2093 | |
Elyes HAOUAS | 0f49dd2 | 2019-04-23 22:12:10 +0200 | [diff] [blame] | 2094 | u32 nranks, curranksize, maxranksize, dra; |
| 2095 | u8 rankmismatch; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2096 | static const u8 drbtab[10] = {0x4, 0x2, 0x8, 0x4, 0x8, 0x4, 0x10, 0x8, 0x20, 0x10}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2097 | |
| 2098 | nranks = 0; |
| 2099 | curranksize = 0; |
| 2100 | maxranksize = 0; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2101 | rankmismatch = 0; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2102 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2103 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 2104 | nranks++; |
Elyes Haouas | 3a99807 | 2022-11-18 15:11:02 +0100 | [diff] [blame] | 2105 | dra = (u8)((mchbar_read32(C0DRA01) >> (8 * r)) & 0x7f); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2106 | curranksize = drbtab[dra]; |
| 2107 | if (maxranksize == 0) { |
| 2108 | maxranksize = curranksize; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2109 | } |
| 2110 | if (curranksize != maxranksize) { |
| 2111 | rankmismatch = 1; |
| 2112 | } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2113 | } |
| 2114 | |
| 2115 | reg8 = 0; |
| 2116 | switch (nranks) { |
| 2117 | case 4: |
| 2118 | if (rankmismatch) { |
| 2119 | reg8 = 0x64; |
| 2120 | } else { |
| 2121 | reg8 = 0xa4; |
| 2122 | } |
| 2123 | break; |
| 2124 | case 1: |
| 2125 | case 3: |
| 2126 | reg8 = 0x64; |
| 2127 | break; |
| 2128 | case 2: |
| 2129 | if (rankmismatch) { |
| 2130 | reg8 = 0x64; |
| 2131 | } else { |
| 2132 | reg8 = 0x24; |
| 2133 | } |
| 2134 | break; |
| 2135 | default: |
| 2136 | die("Invalid number of ranks found, halt\n"); |
| 2137 | break; |
| 2138 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2139 | mchbar_clrsetbits8(CHDECMISC, 0xfc, reg8 & 0xfc); |
| 2140 | mchbar_clrbits32(NOACFGBUSCTL, 1 << 31); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2141 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2142 | mchbar_write32(HTBONUS0, 0xf); |
| 2143 | mchbar_setbits8(C0COREBONUS + 4, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2144 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2145 | mchbar_clrbits32(HIT3, 7 << 25); |
| 2146 | mchbar_clrsetbits32(HIT4, 3 << 18, 1 << 18); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2147 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2148 | u32 clkcx[2][2][3] = { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2149 | { |
| 2150 | {0x00000000, 0x0c080302, 0x08010204}, /* FSB = 667, DDR = 667 */ |
| 2151 | {0x02040000, 0x08100102, 0x00000000}, /* FSB = 667, DDR = 800 */ |
| 2152 | }, |
| 2153 | { |
| 2154 | {0x18000000, 0x3021060c, 0x20010208}, /* FSB = 800, DDR = 667 */ |
| 2155 | {0x00000000, 0x0c090306, 0x00000000}, /* FSB = 800, DDR = 800 */ |
| 2156 | } |
| 2157 | }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2158 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2159 | fsb_freq = s->selected_timings.fsb_clock; |
| 2160 | ddr_freq = s->selected_timings.mem_clock; |
| 2161 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2162 | mchbar_write32(CLKXSSH2X2MD + 0, clkcx[fsb_freq][ddr_freq][0]); |
| 2163 | mchbar_write32(CLKXSSH2X2MD + 4, clkcx[fsb_freq][ddr_freq][1]); |
| 2164 | mchbar_write32(CLKXSSH2MCBYP + 4, clkcx[fsb_freq][ddr_freq][2]); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2165 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2166 | mchbar_clrbits8(HIT4, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2167 | } |
| 2168 | |
| 2169 | static void sdram_periodic_rcomp(void) |
| 2170 | { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2171 | mchbar_clrbits8(COMPCTRL1, 1 << 1); |
| 2172 | while ((mchbar_read32(COMPCTRL1) & (1 << 31)) > 0) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2173 | ; |
| 2174 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2175 | mchbar_clrbits16(CSHRMISCCTL, 3 << 12); |
| 2176 | mchbar_setbits8(CMNDQFIFORST, 1 << 7); |
| 2177 | mchbar_clrsetbits16(XCOMPDFCTRL, 0x0f, 0x09); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2178 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2179 | mchbar_setbits8(COMPCTRL1, 1 << 7 | 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2180 | } |
| 2181 | |
| 2182 | static void sdram_new_trd(struct sysinfo *s) |
| 2183 | { |
| 2184 | u8 pidelay, i, j, k, cc, trd_perphase[5]; |
Elyes HAOUAS | 0f49dd2 | 2019-04-23 22:12:10 +0200 | [diff] [blame] | 2185 | u8 bypass, freqgb, trd, reg8, txfifo; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2186 | u32 reg32, datadelay, tio, rcvendelay, maxrcvendelay; |
| 2187 | u16 tmclk, thclk, buffertocore, postcalib; |
Arthur Heymans | 6bf1301 | 2017-06-10 12:03:27 +0200 | [diff] [blame] | 2188 | static const u8 txfifo_lut[8] = { 0, 7, 6, 5, 2, 1, 4, 3 }; |
| 2189 | static const u16 trd_adjust[2][2][5] = { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2190 | { |
| 2191 | {3000, 3000, 0,0,0}, |
| 2192 | {1000,2000,3000,1500,2500} |
| 2193 | }, |
| 2194 | { |
| 2195 | {2000,1000,3000,0,0}, |
| 2196 | {2500, 2500, 0,0,0} |
| 2197 | }}; |
| 2198 | |
| 2199 | freqgb = 110; |
| 2200 | buffertocore = 5000; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2201 | postcalib = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 1250 : 500; |
| 2202 | tmclk = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 3000 : 2500; |
| 2203 | tmclk = tmclk * 100 / freqgb; |
| 2204 | thclk = (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) ? 6000 : 5000; |
| 2205 | switch (s->selected_timings.mem_clock) { |
| 2206 | case MEM_CLOCK_667MHz: |
| 2207 | if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) { |
| 2208 | cc = 2; |
| 2209 | } else { |
| 2210 | cc = 3; |
| 2211 | } |
| 2212 | break; |
| 2213 | default: |
| 2214 | case MEM_CLOCK_800MHz: |
| 2215 | if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) { |
| 2216 | cc = 5; |
| 2217 | } else { |
| 2218 | cc = 2; |
| 2219 | } |
| 2220 | break; |
| 2221 | } |
| 2222 | tio = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 2700 : 3240; |
| 2223 | maxrcvendelay = 0; |
| 2224 | pidelay = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 24 : 20; |
| 2225 | |
| 2226 | for (i = 0; i < 8; i++) { |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2227 | rcvendelay = ((u32)((s->coarsedelay >> (i << 1)) & 3) * (u32)(tmclk)); |
| 2228 | rcvendelay += ((u32)((s->readptrdelay >> (i << 1)) & 3) * (u32)(tmclk) / 2); |
| 2229 | rcvendelay += ((u32)((s->mediumphase >> (i << 1)) & 3) * (u32)(tmclk) / 4); |
| 2230 | rcvendelay += (u32)(pidelay * s->pi[i]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2231 | maxrcvendelay = MAX(maxrcvendelay, rcvendelay); |
| 2232 | } |
| 2233 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2234 | if ((mchbar_read8(HMBYPCP + 3) == 0xff) && (mchbar_read8(HMCCMC) & (1 << 7))) { |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2235 | bypass = 1; |
| 2236 | } else { |
| 2237 | bypass = 0; |
| 2238 | } |
| 2239 | |
| 2240 | txfifo = 0; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2241 | reg8 = (mchbar_read8(CSHRFIFOCTL) & 0x0e) >> 1; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2242 | txfifo = txfifo_lut[reg8] & 0x07; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2243 | |
| 2244 | datadelay = tmclk * (2*txfifo + 4*s->coarsectrl + 4*(bypass-1) + 13) / 4 |
| 2245 | + tio + maxrcvendelay + pidelay + buffertocore + postcalib; |
| 2246 | if (s->async) { |
| 2247 | datadelay += tmclk / 2; |
| 2248 | } |
| 2249 | |
| 2250 | j = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 0 : 1; |
| 2251 | k = (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) ? 0 : 1; |
| 2252 | |
| 2253 | if (j == 0 && k == 0) { |
| 2254 | datadelay -= 3084; |
| 2255 | } |
| 2256 | |
| 2257 | trd = 0; |
| 2258 | for (i = 0; i < cc; i++) { |
| 2259 | reg32 = datadelay - (trd_adjust[k][j][i] * 100 / freqgb); |
| 2260 | trd_perphase[i] = (u8)(reg32 / thclk) - 2; |
| 2261 | trd_perphase[i] += 1; |
| 2262 | if (trd_perphase[i] > trd) { |
| 2263 | trd = trd_perphase[i]; |
| 2264 | } |
| 2265 | } |
| 2266 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2267 | mchbar_clrsetbits16(C0STATRDCTRL, 0x1f << 8, trd << 8); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2268 | } |
| 2269 | |
| 2270 | static void sdram_powersettings(struct sysinfo *s) |
| 2271 | { |
| 2272 | u8 j; |
| 2273 | u32 reg32; |
| 2274 | |
| 2275 | /* Thermal sensor */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2276 | mchbar_write8(TSC1, 0x9b); |
| 2277 | mchbar_clrsetbits32(TSTTP, 0x00ffffff, 0x1d00); |
| 2278 | mchbar_write8(THERM1, 0x08); |
| 2279 | mchbar_write8(TSC3, 0); |
| 2280 | mchbar_clrsetbits8(TSC2, 0x0f, 0x04); |
| 2281 | mchbar_clrsetbits8(THERM1, 1, 1); |
| 2282 | mchbar_clrsetbits8(TCO, 1 << 7, 1 << 7); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2283 | |
| 2284 | /* Clock gating */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2285 | mchbar_clrbits32(PMMISC, 1 << 18 | 1 << 0); |
| 2286 | mchbar_clrbits8(SBCTL3 + 3, 1 << 7); |
| 2287 | mchbar_clrbits8(CISDCTRL + 3, 1 << 7); |
| 2288 | mchbar_clrbits16(CICGDIS, 0x1fff); |
| 2289 | mchbar_clrbits32(SBCLKGATECTRL, 0x1ffff); |
| 2290 | mchbar_clrsetbits16(HICLKGTCTL, 0x03ff, 0x06); |
| 2291 | mchbar_clrsetbits32(HTCLKGTCTL, ~0, 0x20); |
| 2292 | mchbar_clrbits8(TSMISC, 1 << 0); |
| 2293 | mchbar_write8(C0WRDPYN, s->selected_timings.CAS - 1 + 0x15); |
| 2294 | mchbar_clrsetbits16(CLOCKGATINGI, 0x07fc, 0x0040); |
| 2295 | mchbar_clrsetbits16(CLOCKGATINGII, 0x0fff, 0x0d00); |
| 2296 | mchbar_clrbits16(CLOCKGATINGIII, 0x0d80); |
| 2297 | mchbar_write16(GTDPCGC + 2, 0xffff); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2298 | |
| 2299 | /* Sequencing */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2300 | mchbar_clrsetbits32(HPWRCTL1, 0x1fffffff, 0x1f643fff); |
| 2301 | mchbar_clrsetbits32(HPWRCTL2, 0xffffff7f, 0x02010000); |
| 2302 | mchbar_clrsetbits16(HPWRCTL3, 7 << 12, 3 << 12); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2303 | |
| 2304 | /* Power */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2305 | mchbar_clrsetbits32(GFXC3C4, 0xffff0003, 0x10100000); |
| 2306 | mchbar_clrsetbits32(PMDSLFRC, 0x0001bff7, 0x00000078); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2307 | |
| 2308 | if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2309 | mchbar_clrsetbits16(PMMSPMRES, 0x03ff, 0x00c8); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2310 | else |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2311 | mchbar_clrsetbits16(PMMSPMRES, 0x03ff, 0x0100); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2312 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2313 | j = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 0 : 1; |
| 2314 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2315 | mchbar_clrsetbits32(PMCLKRC, 0x01fff37f, 0x10810700); |
| 2316 | mchbar_clrsetbits8(PMPXPRC, 7, 1); |
| 2317 | mchbar_clrbits8(PMBAK, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2318 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2319 | static const u16 ddr2lut[2][4][2] = { |
| 2320 | { |
| 2321 | {0x0000, 0x0000}, |
| 2322 | {0x019A, 0x0039}, |
| 2323 | {0x0099, 0x1049}, |
| 2324 | {0x0000, 0x0000}, |
| 2325 | }, |
| 2326 | { |
| 2327 | {0x0000, 0x0000}, |
| 2328 | {0x019A, 0x0039}, |
| 2329 | {0x0099, 0x1049}, |
| 2330 | {0x0099, 0x2159}, |
| 2331 | }, |
| 2332 | }; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2333 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2334 | mchbar_write16(C0C2REG, 0x7a89); |
| 2335 | mchbar_write8(SHC2REGII, 0xaa); |
| 2336 | mchbar_write16(SHC2REGII + 1, ddr2lut[j][s->selected_timings.CAS - 3][1]); |
| 2337 | mchbar_clrsetbits16(SHC2REGI, 0x7fff, ddr2lut[j][s->selected_timings.CAS - 3][0]); |
| 2338 | mchbar_clrsetbits16(CLOCKGATINGIII, 0xf000, 0xf000); |
| 2339 | mchbar_clrsetbits8(CSHWRIOBONUSX, 0x77, 4 << 4 | 4); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2340 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2341 | reg32 = s->nodll ? 0x30000000 : 0; |
| 2342 | |
Angel Pons | 11cabea | 2021-03-26 22:41:54 +0100 | [diff] [blame] | 2343 | mchbar_clrsetbits32(C0COREBONUS, 0xf << 24, 1 << 29 | reg32); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2344 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2345 | mchbar_clrsetbits32(CLOCKGATINGI, 0xf << 20, 0xf << 20); |
| 2346 | mchbar_clrsetbits32(CLOCKGATINGII - 1, 0x001ff000, 0xbf << 20); |
| 2347 | mchbar_clrsetbits16(SHC3C4REG2, 0x1f7f, 0x0b << 8 | 7 << 4 | 0x0b); |
| 2348 | mchbar_write16(SHC3C4REG3, 0x3264); |
| 2349 | mchbar_clrsetbits16(SHC3C4REG4, 0x3f3f, 0x14 << 8 | 0x0a); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2350 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2351 | mchbar_setbits32(C1COREBONUS, 1 << 31 | 1 << 13); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2352 | } |
| 2353 | |
| 2354 | static void sdram_programddr(void) |
| 2355 | { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2356 | mchbar_clrsetbits16(CLOCKGATINGII, 0x03ff, 0x0100); |
| 2357 | mchbar_clrsetbits16(CLOCKGATINGIII, 0x003f, 0x0010); |
| 2358 | mchbar_clrsetbits16(CLOCKGATINGI, 0x7000, 0x2000); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2359 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2360 | mchbar_clrbits8(CSHRPDCTL, 7 << 1); |
| 2361 | mchbar_clrbits8(CSHRWRIOMLNS, 3 << 2); |
| 2362 | mchbar_clrbits8(C0MISCCTLy(0), 7 << 1); |
| 2363 | mchbar_clrbits8(C0MISCCTLy(1), 7 << 1); |
| 2364 | mchbar_clrbits8(C0MISCCTLy(2), 7 << 1); |
| 2365 | mchbar_clrbits8(C0MISCCTLy(3), 7 << 1); |
| 2366 | mchbar_clrbits8(C0MISCCTLy(4), 7 << 1); |
| 2367 | mchbar_clrbits8(C0MISCCTLy(5), 7 << 1); |
| 2368 | mchbar_clrbits8(C0MISCCTLy(6), 7 << 1); |
| 2369 | mchbar_clrbits8(C0MISCCTLy(7), 7 << 1); |
| 2370 | mchbar_clrbits8(CSHRWRIOMLNS, 1 << 1); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2371 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2372 | mchbar_clrbits16(CSHRMISCCTL, 1 << 10); |
| 2373 | mchbar_clrbits16(CLOCKGATINGIII, 0x0dc0); |
| 2374 | mchbar_clrbits8(C0WRDPYN, 1 << 7); |
| 2375 | mchbar_clrbits32(C0COREBONUS, 1 << 22); |
| 2376 | mchbar_clrbits16(CLOCKGATINGI, 0x80fc); |
| 2377 | mchbar_clrbits16(CLOCKGATINGII, 0x0c00); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2378 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2379 | mchbar_clrbits8(CSHRPDCTL, 0x0d); |
| 2380 | mchbar_clrbits8(C0MISCCTLy(0), 1 << 0); |
| 2381 | mchbar_clrbits8(C0MISCCTLy(1), 1 << 0); |
| 2382 | mchbar_clrbits8(C0MISCCTLy(2), 1 << 0); |
| 2383 | mchbar_clrbits8(C0MISCCTLy(3), 1 << 0); |
| 2384 | mchbar_clrbits8(C0MISCCTLy(4), 1 << 0); |
| 2385 | mchbar_clrbits8(C0MISCCTLy(5), 1 << 0); |
| 2386 | mchbar_clrbits8(C0MISCCTLy(6), 1 << 0); |
| 2387 | mchbar_clrbits8(C0MISCCTLy(7), 1 << 0); |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2388 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2389 | mchbar_clrsetbits32(C0STATRDCTRL, 7 << 20, 3 << 20); |
| 2390 | mchbar_clrbits32(C0COREBONUS, 1 << 20); |
| 2391 | mchbar_setbits8(C0DYNSLVDLLEN, 0x1e); |
| 2392 | mchbar_setbits8(C0DYNSLVDLLEN2, 0x03); |
| 2393 | mchbar_clrsetbits32(SHCYCTRKCKEL, 3 << 26, 1 << 26); |
| 2394 | mchbar_setbits16(C0STATRDCTRL, 3 << 13); |
| 2395 | mchbar_setbits32(C0CKECTRL, 1 << 16); |
| 2396 | mchbar_setbits8(C0COREBONUS, 1 << 4); |
| 2397 | mchbar_setbits32(CLOCKGATINGI - 1, 0xf << 24); |
| 2398 | mchbar_setbits8(CSHWRIOBONUS, 7); |
| 2399 | mchbar_setbits8(C0DYNSLVDLLEN, 3 << 6); |
| 2400 | mchbar_setbits8(SHC2REGIII, 7); |
| 2401 | mchbar_clrsetbits16(SHC2MINTM, ~0, 1 << 7); |
| 2402 | mchbar_clrsetbits8(SHC2IDLETM, 0xff, 0x10); |
| 2403 | mchbar_setbits16(C0COREBONUS, 0xf << 5); |
| 2404 | mchbar_setbits8(CSHWRIOBONUS, 3 << 3); |
| 2405 | mchbar_setbits8(CSHRMSTDYNDLLENB, 0x0d); |
| 2406 | mchbar_setbits16(SHC3C4REG1, 0x0a3f); |
| 2407 | mchbar_setbits8(C0STATRDCTRL, 3); |
| 2408 | mchbar_clrsetbits8(C0REFRCTRL2, 0xff, 0x4a); |
| 2409 | mchbar_clrbits8(C0COREBONUS + 4, 3 << 5); |
| 2410 | mchbar_setbits16(C0DYNSLVDLLEN, 0x0321); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2411 | } |
| 2412 | |
| 2413 | static void sdram_programdqdqs(struct sysinfo *s) |
| 2414 | { |
| 2415 | u16 mdclk, tpi, refclk, dqdqs_out, dqdqs_outdelay, dqdqs_delay; |
| 2416 | u32 coretomcp, txdelay, tmaxunmask, tmaxpi; |
| 2417 | u8 repeat, halfclk, feature, reg8, push; |
| 2418 | u16 cwb, pimdclk; |
| 2419 | u32 reg32; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2420 | static const u8 txfifotab[8] = {0, 7, 6, 5, 2, 1, 4, 3}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2421 | |
| 2422 | tpi = 3000; |
| 2423 | dqdqs_out = 4382; |
| 2424 | dqdqs_outdelay = 5083; |
| 2425 | dqdqs_delay = 4692; |
| 2426 | coretomcp = 0; |
| 2427 | txdelay = 0; |
| 2428 | halfclk = 0; |
| 2429 | tmaxunmask = 0; |
| 2430 | tmaxpi = 0; |
| 2431 | repeat = 2; |
| 2432 | feature = 0; |
| 2433 | cwb = 0; |
| 2434 | pimdclk = 0; |
| 2435 | reg32 = 0; |
| 2436 | push = 0; |
| 2437 | reg8 = 0; |
| 2438 | |
| 2439 | mdclk = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 3000 : 2500; |
| 2440 | refclk = 3000 - mdclk; |
| 2441 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2442 | coretomcp = ((mchbar_read8(C0ADDCSCTRL) >> 2) & 0x3) + 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2443 | coretomcp *= mdclk; |
| 2444 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2445 | reg8 = (mchbar_read8(CSHRFIFOCTL) & 0x0e) >> 1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2446 | |
| 2447 | while (repeat) { |
| 2448 | txdelay = mdclk * ( |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2449 | ((mchbar_read16(C0GNT2LNCH1) >> 8) & 0x7) + |
| 2450 | (mchbar_read8(C0WRDATACTRL) & 0xf) + |
| 2451 | (mchbar_read8(C0WRDATACTRL + 1) & 0x1) |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2452 | ) + |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2453 | txfifotab[reg8]*(mdclk / 2) + |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2454 | coretomcp + |
| 2455 | refclk + |
| 2456 | cwb; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2457 | halfclk = (mchbar_read8(C0MISCCTL) >> 1) & 0x1; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2458 | if (halfclk) { |
| 2459 | txdelay -= mdclk / 2; |
| 2460 | reg32 = dqdqs_outdelay + coretomcp - mdclk / 2; |
| 2461 | } else { |
| 2462 | reg32 = dqdqs_outdelay + coretomcp; |
| 2463 | } |
| 2464 | |
| 2465 | tmaxunmask = txdelay - mdclk - dqdqs_out; |
| 2466 | tmaxpi = tmaxunmask - tpi; |
| 2467 | |
| 2468 | if ((tmaxunmask >= reg32) && tmaxpi >= dqdqs_delay) { |
| 2469 | if (repeat == 2) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2470 | mchbar_clrbits32(C0COREBONUS, 1 << 23); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2471 | } |
| 2472 | feature = 1; |
| 2473 | repeat = 0; |
| 2474 | } else { |
| 2475 | repeat--; |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2476 | mchbar_setbits32(C0COREBONUS, 1 << 23); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2477 | cwb = 2 * mdclk; |
| 2478 | } |
| 2479 | } |
| 2480 | |
| 2481 | if (!feature) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2482 | mchbar_clrbits8(CLOCKGATINGI, 3); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2483 | return; |
| 2484 | } |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2485 | mchbar_setbits8(CLOCKGATINGI, 3); |
| 2486 | mchbar_clrsetbits16(CLOCKGATINGIII, 0xf << 12, pimdclk << 12); |
| 2487 | mchbar_clrsetbits8(CSHWRIOBONUSX, 0x77, push << 4 | push); |
| 2488 | mchbar_clrsetbits32(C0COREBONUS, 0xf << 24, 3 << 24); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2489 | } |
| 2490 | |
| 2491 | /** |
| 2492 | * @param boot_path: 0 = normal, 1 = reset, 2 = resume from s3 |
| 2493 | */ |
| 2494 | void sdram_initialize(int boot_path, const u8 *spd_addresses) |
| 2495 | { |
| 2496 | struct sysinfo si; |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2497 | const char *boot_str[] = {"Normal", "Reset", "Resume"}; |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2498 | |
| 2499 | PRINTK_DEBUG("Setting up RAM controller.\n"); |
| 2500 | |
| 2501 | memset(&si, 0, sizeof(si)); |
| 2502 | |
| 2503 | si.boot_path = boot_path; |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 2504 | printk(BIOS_DEBUG, "Boot path: %s\n", boot_str[boot_path]); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2505 | si.spd_map[0] = spd_addresses[0]; |
| 2506 | si.spd_map[1] = spd_addresses[1]; |
| 2507 | si.spd_map[2] = spd_addresses[2]; |
| 2508 | si.spd_map[3] = spd_addresses[3]; |
| 2509 | |
| 2510 | sdram_read_spds(&si); |
| 2511 | |
| 2512 | /* Choose Common Frequency */ |
| 2513 | sdram_detect_ram_speed(&si); |
| 2514 | |
| 2515 | /* Determine smallest common tRAS, tRP, tRCD, etc */ |
| 2516 | sdram_detect_smallest_params(&si); |
| 2517 | |
| 2518 | /* Enable HPET */ |
| 2519 | enable_hpet(); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2520 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2521 | mchbar_setbits16(CPCTL, 1 << 15); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2522 | |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2523 | sdram_clk_crossing(&si); |
| 2524 | |
| 2525 | sdram_checkreset(); |
| 2526 | PRINTK_DEBUG("Done checkreset\n"); |
| 2527 | |
| 2528 | sdram_clkmode(&si); |
| 2529 | PRINTK_DEBUG("Done clkmode\n"); |
| 2530 | |
| 2531 | sdram_timings(&si); |
| 2532 | PRINTK_DEBUG("Done timings (dqs dll enabled)\n"); |
| 2533 | |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 2534 | if (si.boot_path != BOOT_PATH_RESET) { |
| 2535 | sdram_dlltiming(&si); |
| 2536 | PRINTK_DEBUG("Done dlltiming\n"); |
| 2537 | } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2538 | |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 2539 | if (si.boot_path != BOOT_PATH_RESET) { |
| 2540 | sdram_rcomp(&si); |
| 2541 | PRINTK_DEBUG("Done RCOMP\n"); |
| 2542 | } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2543 | |
| 2544 | sdram_odt(&si); |
| 2545 | PRINTK_DEBUG("Done odt\n"); |
| 2546 | |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 2547 | if (si.boot_path != BOOT_PATH_RESET) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2548 | while ((mchbar_read8(COMPCTRL1) & 1) != 0) |
Arthur Heymans | 00fd3ff | 2017-04-17 17:50:40 +0200 | [diff] [blame] | 2549 | ; |
| 2550 | } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2551 | |
| 2552 | sdram_mmap(&si); |
| 2553 | PRINTK_DEBUG("Done mmap\n"); |
| 2554 | |
Angel Pons | 39ff703 | 2020-03-09 21:39:44 +0100 | [diff] [blame] | 2555 | /* Enable DDR IO buffer */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2556 | mchbar_clrsetbits8(C0IOBUFACTCTL, 0x3f, 0x08); |
| 2557 | mchbar_setbits8(C0RSTCTL, 1 << 0); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2558 | |
| 2559 | sdram_rcompupdate(&si); |
| 2560 | PRINTK_DEBUG("Done RCOMP update\n"); |
| 2561 | |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2562 | mchbar_setbits8(HIT4, 1 << 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2563 | |
| 2564 | if (si.boot_path != BOOT_PATH_RESUME) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2565 | mchbar_setbits32(C0CKECTRL, 1 << 27); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2566 | |
Arthur Heymans | d2ca9d1 | 2017-04-22 16:19:56 +0200 | [diff] [blame] | 2567 | sdram_jedecinit(&si); |
| 2568 | PRINTK_DEBUG("Done MRS\n"); |
| 2569 | } |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2570 | |
| 2571 | sdram_misc(&si); |
| 2572 | PRINTK_DEBUG("Done misc\n"); |
| 2573 | |
| 2574 | sdram_zqcl(&si); |
| 2575 | PRINTK_DEBUG("Done zqcl\n"); |
| 2576 | |
| 2577 | if (si.boot_path != BOOT_PATH_RESUME) { |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2578 | mchbar_setbits32(C0REFRCTRL2, 3 << 30); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2579 | } |
| 2580 | |
| 2581 | sdram_dradrb(&si); |
| 2582 | PRINTK_DEBUG("Done dradrb\n"); |
| 2583 | |
| 2584 | sdram_rcven(&si); |
| 2585 | PRINTK_DEBUG("Done rcven\n"); |
| 2586 | |
| 2587 | sdram_new_trd(&si); |
| 2588 | PRINTK_DEBUG("Done tRD\n"); |
| 2589 | |
| 2590 | sdram_mmap_regs(&si); |
| 2591 | PRINTK_DEBUG("Done mmap regs\n"); |
| 2592 | |
| 2593 | sdram_enhancedmode(&si); |
| 2594 | PRINTK_DEBUG("Done enhanced mode\n"); |
| 2595 | |
| 2596 | sdram_powersettings(&si); |
| 2597 | PRINTK_DEBUG("Done power settings\n"); |
| 2598 | |
| 2599 | sdram_programddr(); |
| 2600 | PRINTK_DEBUG("Done programming ddr\n"); |
| 2601 | |
| 2602 | sdram_programdqdqs(&si); |
| 2603 | PRINTK_DEBUG("Done programming dqdqs\n"); |
| 2604 | |
| 2605 | sdram_periodic_rcomp(); |
| 2606 | PRINTK_DEBUG("Done periodic RCOMP\n"); |
| 2607 | |
| 2608 | /* Set init done */ |
Angel Pons | 0aeaee7 | 2021-03-26 17:57:46 +0100 | [diff] [blame] | 2609 | mchbar_setbits32(C0REFRCTRL2, 1 << 30); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2610 | |
| 2611 | /* Tell ICH7 that we're done */ |
Angel Pons | 26766fd | 2020-06-08 12:38:19 +0200 | [diff] [blame] | 2612 | pci_and_config8(PCI_DEV(0, 0x1f, 0), 0xa2, (u8)~(1 << 7)); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2613 | |
| 2614 | /* Tell northbridge we're done */ |
Angel Pons | 26766fd | 2020-06-08 12:38:19 +0200 | [diff] [blame] | 2615 | pci_or_config8(HOST_BRIDGE, 0xf4, 1); |
Damien Zammit | 003d15c | 2015-11-20 17:17:51 +1100 | [diff] [blame] | 2616 | |
| 2617 | printk(BIOS_DEBUG, "RAM initialization finished.\n"); |
| 2618 | } |