Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
Arthur Heymans | 1994e448 | 2017-11-04 07:52:23 +0100 | [diff] [blame] | 17 | #include <assert.h> |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 18 | #include <stdint.h> |
| 19 | #include <arch/io.h> |
| 20 | #include <arch/cpu.h> |
| 21 | #include <console/console.h> |
| 22 | #include <commonlib/helpers.h> |
| 23 | #include <delay.h> |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 24 | #include <pc80/mc146818rtc.h> |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 25 | #if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_I82801GX) |
| 26 | #include <southbridge/intel/i82801gx/i82801gx.h> |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 27 | #else |
| 28 | #include <southbridge/intel/i82801jx/i82801jx.h> |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 29 | #endif |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 30 | #include <string.h> |
Martin Roth | cbe3892 | 2016-01-05 19:40:41 -0700 | [diff] [blame] | 31 | #include "iomap.h" |
| 32 | #include "x4x.h" |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 33 | |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 34 | #define ME_UMA_SIZEMB 0 |
| 35 | |
Arthur Heymans | 3cf9403 | 2017-04-05 16:17:26 +0200 | [diff] [blame] | 36 | u32 fsb2mhz(u32 speed) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 37 | { |
| 38 | return (speed * 267) + 800; |
| 39 | } |
| 40 | |
Arthur Heymans | 3cf9403 | 2017-04-05 16:17:26 +0200 | [diff] [blame] | 41 | u32 ddr2mhz(u32 speed) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 42 | { |
| 43 | static const u16 mhz[] = { 0, 0, 667, 800, 1067, 1333 }; |
| 44 | |
| 45 | if (speed >= ARRAY_SIZE(mhz)) |
| 46 | return 0; |
| 47 | |
| 48 | return mhz[speed]; |
| 49 | } |
| 50 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 51 | |
| 52 | static void program_crossclock(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 53 | { |
| 54 | u8 i, j; |
Arthur Heymans | 840c27e | 2017-05-15 10:21:37 +0200 | [diff] [blame] | 55 | u32 reg32; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 56 | MCHBAR16(0xc1c) = MCHBAR16(0xc1c) | (1 << 15); |
| 57 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 58 | static const u32 clkxtab[6][3][13] = { |
Arthur Heymans | 8a3514d | 2016-10-27 23:56:08 +0200 | [diff] [blame] | 59 | /* MEMCLK 400 N/A */ |
| 60 | {{}, {}, {} }, |
| 61 | /* MEMCLK 533 N/A */ |
| 62 | {{}, {}, {} }, |
| 63 | /* MEMCLK 667 |
| 64 | * FSB 800 */ |
Arthur Heymans | 840c27e | 2017-05-15 10:21:37 +0200 | [diff] [blame] | 65 | {{0x1f1f1f1f, 0x0d07070b, 0x00000000, 0x10000000, |
Arthur Heymans | 8a3514d | 2016-10-27 23:56:08 +0200 | [diff] [blame] | 66 | 0x20010208, 0x04080000, 0x10010002, 0x00000000, |
| 67 | 0x00000000, 0x02000000, 0x04000100, 0x08000000, |
| 68 | 0x10200204}, |
| 69 | /* FSB 1067 */ |
| 70 | {0x6d5b1f1f, 0x0f0f0f0f, 0x00000000, 0x20000000, |
| 71 | 0x80020410, 0x02040008, 0x10000100, 0x00000000, |
| 72 | 0x00000000, 0x04000000, 0x08000102, 0x20000000, |
| 73 | 0x40010208}, |
| 74 | /* FSB 1333 */ |
| 75 | {0x05050303, 0xffffffff, 0xffff0000, 0x00000000, |
| 76 | 0x08020000, 0x00000000, 0x00020001, 0x00000000, |
| 77 | 0x00000000, 0x00000000, 0x08010204, 0x00000000, |
| 78 | 0x04010000} }, |
| 79 | /* MEMCLK 800 |
| 80 | * FSB 800 */ |
| 81 | {{0xffffffff, 0x05030305, 0x0000ffff, 0x0000000, |
| 82 | 0x08010204, 0x00000000, 0x08010204, 0x0000000, |
| 83 | 0x00000000, 0x00000000, 0x00020001, 0x0000000, |
| 84 | 0x04080102}, |
| 85 | /* FSB 1067 */ |
| 86 | {0x07070707, 0x06030303, 0x00000000, 0x00000000, |
| 87 | 0x08010200, 0x00000000, 0x04000102, 0x00000000, |
Arthur Heymans | 840c27e | 2017-05-15 10:21:37 +0200 | [diff] [blame] | 88 | 0x00000000, 0x00000000, 0x00020100, 0x00000000, |
| 89 | 0x04080100}, |
Arthur Heymans | 8a3514d | 2016-10-27 23:56:08 +0200 | [diff] [blame] | 90 | /* FSB 1333 */ |
| 91 | {0x0d0b0707, 0x3e1f1f2f, 0x01010000, 0x00000000, |
| 92 | 0x10020400, 0x02000000, 0x00040100, 0x00000000, |
| 93 | 0x00000000, 0x04080000, 0x00100102, 0x00000000, |
| 94 | 0x08100200} }, |
| 95 | /* MEMCLK 1067 */ |
| 96 | {{}, |
| 97 | /* FSB 1067 */ |
| 98 | {0xffffffff, 0x05030305, 0x0000ffff, 0x00000000, |
| 99 | 0x04080102, 0x00000000, 0x08010204, 0x00000000, |
| 100 | 0x00000000, 0x00000000, 0x00020001, 0x00000000, |
| 101 | 0x02040801}, |
| 102 | /* FSB 1333 */ |
| 103 | {0x0f0f0f0f, 0x5b1f1f6d, 0x00000000, 0x00000000, |
| 104 | 0x08010204, 0x04000000, 0x00080102, 0x00000000, |
| 105 | 0x00000000, 0x02000408, 0x00100001, 0x00000000, |
| 106 | 0x04080102} }, |
| 107 | /* MEMCLK 1333 */ |
| 108 | {{}, {}, |
| 109 | /* FSB 1333 */ |
| 110 | {0xffffffff, 0x05030305, 0x0000ffff, 0x00000000, |
| 111 | 0x04080102, 0x00000000, 0x04080102, 0x00000000, |
| 112 | 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
| 113 | 0x02040801} } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 114 | }; |
| 115 | |
| 116 | i = (u8)s->selected_timings.mem_clk; |
| 117 | j = (u8)s->selected_timings.fsb_clk; |
| 118 | |
| 119 | MCHBAR32(0xc04) = clkxtab[i][j][0]; |
Arthur Heymans | 840c27e | 2017-05-15 10:21:37 +0200 | [diff] [blame] | 120 | reg32 = clkxtab[i][j][1]; |
| 121 | if (s->spd_type == DDR3 && s->max_fsb == FSB_CLOCK_1333MHz |
| 122 | && s->selected_timings.mem_clk == MEM_CLOCK_800MHz) { |
| 123 | reg32 &= ~(0xff << 24); |
| 124 | reg32 |= 0x3d << 24; |
| 125 | } |
| 126 | MCHBAR32(0xc50) = reg32; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 127 | MCHBAR32(0xc54) = clkxtab[i][j][2]; |
| 128 | MCHBAR8(0xc08) = MCHBAR8(0xc08) | (1 << 7); |
| 129 | MCHBAR32(0x6d8) = clkxtab[i][j][3]; |
| 130 | MCHBAR32(0x6e0) = clkxtab[i][j][3]; |
| 131 | MCHBAR32(0x6dc) = clkxtab[i][j][4]; |
| 132 | MCHBAR32(0x6e4) = clkxtab[i][j][4]; |
| 133 | MCHBAR32(0x6e8) = clkxtab[i][j][5]; |
| 134 | MCHBAR32(0x6f0) = clkxtab[i][j][5]; |
| 135 | MCHBAR32(0x6ec) = clkxtab[i][j][6]; |
| 136 | MCHBAR32(0x6f4) = clkxtab[i][j][6]; |
| 137 | MCHBAR32(0x6f8) = clkxtab[i][j][7]; |
| 138 | MCHBAR32(0x6fc) = clkxtab[i][j][8]; |
| 139 | MCHBAR32(0x708) = clkxtab[i][j][11]; |
| 140 | MCHBAR32(0x70c) = clkxtab[i][j][12]; |
| 141 | } |
| 142 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 143 | static void setioclk_dram(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 144 | { |
| 145 | MCHBAR32(0x1bc) = 0x08060402; |
| 146 | MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x200; |
| 147 | MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x100; |
| 148 | MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x20; |
| 149 | MCHBAR16(0x1c0) = MCHBAR16(0x1c0) & ~1; |
| 150 | switch (s->selected_timings.mem_clk) { |
| 151 | default: |
| 152 | case MEM_CLOCK_800MHz: |
| 153 | case MEM_CLOCK_1066MHz: |
| 154 | MCHBAR8(0x5d9) = (MCHBAR8(0x5d9) & ~0x2) | 0x2; |
| 155 | MCHBAR8(0x9d9) = (MCHBAR8(0x9d9) & ~0x2) | 0x2; |
| 156 | MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xc0; |
| 157 | MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xe0; |
| 158 | MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xa0; |
| 159 | break; |
| 160 | case MEM_CLOCK_667MHz: |
| 161 | case MEM_CLOCK_1333MHz: |
| 162 | MCHBAR8(0x5d9) = MCHBAR8(0x5d9) & ~0x2; |
| 163 | MCHBAR8(0x9d9) = MCHBAR8(0x9d9) & ~0x2; |
| 164 | MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0x40; |
| 165 | break; |
| 166 | } |
| 167 | MCHBAR32(0x594) = MCHBAR32(0x594) | (1 << 31); |
| 168 | MCHBAR32(0x994) = MCHBAR32(0x994) | (1 << 31); |
| 169 | } |
| 170 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 171 | static void launch_dram(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 172 | { |
| 173 | u8 i; |
Arthur Heymans | 7a3a319 | 2017-05-15 10:26:29 +0200 | [diff] [blame] | 174 | u32 launch1; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 175 | u32 launch2 = 0; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 176 | |
Arthur Heymans | 7a3a319 | 2017-05-15 10:26:29 +0200 | [diff] [blame] | 177 | static const u32 ddr3_launch1_tab[2][3] = { |
| 178 | /* 1N */ |
| 179 | {0x58000007, /* DDR3 800 */ |
| 180 | 0x58000007, /* DDR3 1067 */ |
| 181 | 0x58100107}, /* DDR3 1333 */ |
| 182 | /* 2N */ |
| 183 | {0x58001117, /* DDR3 800 */ |
| 184 | 0x58001117, /* DDR3 1067 */ |
| 185 | 0x58001117} /* DDR3 1333 */ |
| 186 | }; |
| 187 | |
| 188 | static const u32 ddr3_launch2_tab[2][3][6] = { |
| 189 | { /* 1N */ |
| 190 | /* DDR3 800 */ |
| 191 | {0x08030000, /* CL = 5 */ |
| 192 | 0x0C040100}, /* CL = 6 */ |
| 193 | /* DDR3 1066 */ |
| 194 | {0x00000000, /* CL = 5 */ |
| 195 | 0x00000000, /* CL = 6 */ |
| 196 | 0x10050100, /* CL = 7 */ |
| 197 | 0x14260200}, /* CL = 8 */ |
| 198 | /* DDR3 1333 */ |
| 199 | {0x00000000, /* CL = 5 */ |
| 200 | 0x00000000, /* CL = 6 */ |
| 201 | 0x00000000, /* CL = 7 */ |
| 202 | 0x14060000, /* CL = 8 */ |
| 203 | 0x18070100, /* CL = 9 */ |
| 204 | 0x1C280200}, /* CL = 10 */ |
| 205 | |
| 206 | }, |
| 207 | { /* 2N */ |
| 208 | /* DDR3 800 */ |
| 209 | {0x00040101, /* CL = 5 */ |
| 210 | 0x00250201}, /* CL = 6 */ |
| 211 | /* DDR3 1066 */ |
| 212 | {0x00000000, /* CL = 5 */ |
| 213 | 0x00050101, /* CL = 6 */ |
| 214 | 0x04260201, /* CL = 7 */ |
| 215 | 0x08470301}, /* CL = 8 */ |
| 216 | /* DDR3 1333 */ |
| 217 | {0x00000000, /* CL = 5 */ |
| 218 | 0x00000000, /* CL = 6 */ |
| 219 | 0x00000000, /* CL = 7 */ |
| 220 | 0x08070100, /* CL = 8 */ |
| 221 | 0x0C280200, /* CL = 9 */ |
| 222 | 0x10490300} /* CL = 10 */ |
| 223 | } |
| 224 | }; |
| 225 | |
| 226 | if (s->spd_type == DDR2) { |
| 227 | launch1 = 0x58001117; |
| 228 | if (s->selected_timings.CAS == 5) |
| 229 | launch2 = 0x00220201; |
| 230 | else if (s->selected_timings.CAS == 6) |
| 231 | launch2 = 0x00230302; |
| 232 | else |
| 233 | die("Unsupported CAS\n"); |
| 234 | } else { /* DDR3 */ |
| 235 | /* Default 2N mode */ |
| 236 | s->nmode = 2; |
| 237 | |
| 238 | if (s->selected_timings.mem_clk <= MEM_CLOCK_1066MHz) |
| 239 | s->nmode = 1; |
| 240 | /* 2N on DDR3 1066 with with 2 dimms per channel */ |
| 241 | if ((s->selected_timings.mem_clk == MEM_CLOCK_1066MHz) && |
| 242 | (BOTH_DIMMS_ARE_POPULATED(s->dimms, 0) || |
| 243 | BOTH_DIMMS_ARE_POPULATED(s->dimms, 1))) |
| 244 | s->nmode = 2; |
| 245 | launch1 = ddr3_launch1_tab[s->nmode - 1] |
| 246 | [s->selected_timings.mem_clk - MEM_CLOCK_800MHz]; |
| 247 | launch2 = ddr3_launch2_tab[s->nmode - 1] |
| 248 | [s->selected_timings.mem_clk - MEM_CLOCK_800MHz] |
| 249 | [s->selected_timings.CAS - 5]; |
| 250 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 251 | |
| 252 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| 253 | MCHBAR32(0x400*i + 0x220) = launch1; |
| 254 | MCHBAR32(0x400*i + 0x224) = launch2; |
Arthur Heymans | 7a3a319 | 2017-05-15 10:26:29 +0200 | [diff] [blame] | 255 | MCHBAR32(0x400*i + 0x21c) = 0; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 256 | MCHBAR32(0x400*i + 0x248) = MCHBAR32(0x400*i + 0x248) | (1 << 23); |
| 257 | } |
| 258 | |
| 259 | MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0x58000000) | 0x48000000; |
| 260 | MCHBAR32(0x2c0) = MCHBAR32(0x2c0) | 0x1e0; |
| 261 | MCHBAR32(0x2c4) = (MCHBAR32(0x2c4) & ~0xf) | 0xc; |
Arthur Heymans | 7a3a319 | 2017-05-15 10:26:29 +0200 | [diff] [blame] | 262 | if (s->spd_type == DDR3) |
| 263 | MCHBAR32(0x2c4) = MCHBAR32(0x2c4) | 0x100; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 264 | } |
| 265 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 266 | static void clkset0(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 267 | { |
| 268 | MCHBAR16(0x400*ch + 0x5a0) = (MCHBAR16(0x400*ch + 0x5a0) & ~0xc440) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 269 | (setting->clk_delay << 14) | |
| 270 | (setting->db_sel << 6) | |
| 271 | (setting->db_en << 10); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 272 | MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 273 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 274 | MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 275 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 276 | } |
| 277 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 278 | static void clkset1(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 279 | { |
| 280 | MCHBAR32(0x400*ch + 0x5a0) = (MCHBAR32(0x400*ch + 0x5a0) & ~0x30880) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 281 | (setting->clk_delay << 16) | |
| 282 | (setting->db_sel << 7) | |
| 283 | (setting->db_en << 11); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 284 | MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 285 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 286 | MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 287 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 288 | } |
| 289 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 290 | static void ctrlset0(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 291 | { |
| 292 | MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x3300000) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 293 | (setting->clk_delay << 24) | |
| 294 | (setting->db_sel << 20) | |
| 295 | (setting->db_en << 21); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 296 | MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 297 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 298 | MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 299 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 300 | } |
| 301 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 302 | static void ctrlset1(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 303 | { |
| 304 | MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x18c00000) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 305 | (setting->clk_delay << 27) | |
| 306 | (setting->db_sel << 22) | |
| 307 | (setting->db_en << 23); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 308 | MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 309 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 310 | MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 311 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 312 | } |
| 313 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 314 | static void ctrlset2(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 315 | { |
| 316 | MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 317 | (setting->clk_delay << 14) | |
| 318 | (setting->db_sel << 12) | |
| 319 | (setting->db_en << 13); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 320 | MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 321 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 322 | MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 323 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 324 | } |
| 325 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 326 | static void ctrlset3(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 327 | { |
| 328 | MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 329 | (setting->clk_delay << 10) | |
| 330 | (setting->db_sel << 8) | |
| 331 | (setting->db_en << 9); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 332 | MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 333 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 334 | MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 335 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 336 | } |
| 337 | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 338 | static void cmdset(u8 ch, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 339 | { |
| 340 | MCHBAR8(0x400*ch + 0x598) = (MCHBAR8(0x400*ch + 0x598) & ~0x30) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 341 | (setting->clk_delay << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 342 | MCHBAR8(0x400*ch + 0x594) = (MCHBAR8(0x400*ch + 0x594) & ~0x60) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 343 | (setting->db_sel << 5) | |
| 344 | (setting->db_en << 6); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 345 | MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0x70) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 346 | (setting->pi << 4); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 347 | MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0xf) | |
Arthur Heymans | 27f0ca1 | 2017-05-09 18:38:14 +0200 | [diff] [blame] | 348 | setting->tap; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 349 | } |
| 350 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 351 | /** |
| 352 | * All finer DQ and DQS DLL settings are set to the same value |
| 353 | * for each rank in a channel, while coarse is common. |
| 354 | */ |
Arthur Heymans | 95c48cb | 2017-11-04 08:07:06 +0100 | [diff] [blame] | 355 | void dqsset(u8 ch, u8 lane, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 356 | { |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 357 | int rank; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 358 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 359 | MCHBAR32(0x400 * ch + 0x5fc) = (MCHBAR32(0x400 * ch + 0x5fc) |
| 360 | & ~(1 << (lane * 4 + 1))) |
| 361 | | (setting->coarse << (lane * 4 + 1)); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 362 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 363 | for (rank = 0; rank < 4; rank++) { |
| 364 | MCHBAR32(0x400 * ch + 0x5b4 + rank * 4) = |
| 365 | (MCHBAR32(0x400 * ch + 0x5b4 + rank * 4) |
| 366 | & ~(0x201 << lane)) |
| 367 | | (setting->db_en << (9 + lane)) |
| 368 | | (setting->db_sel << lane); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 369 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 370 | MCHBAR32(0x400*ch + 0x5c8 + rank * 4) = |
| 371 | (MCHBAR32(0x400 * ch + 0x5c8 + rank * 4) |
| 372 | & ~(0x3 << (16 + lane * 2))) |
| 373 | | (setting->clk_delay << (16+lane * 2)); |
| 374 | |
| 375 | MCHBAR8(0x400*ch + 0x520 + lane * 4 + rank) = |
| 376 | (MCHBAR8(0x400*ch + 0x520 + lane*4) & ~0x7f) |
| 377 | | (setting->pi << 4) |
| 378 | | setting->tap; |
| 379 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 380 | } |
| 381 | |
Arthur Heymans | 95c48cb | 2017-11-04 08:07:06 +0100 | [diff] [blame] | 382 | void dqset(u8 ch, u8 lane, const struct dll_setting *setting) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 383 | { |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 384 | int rank; |
| 385 | MCHBAR32(0x400 * ch + 0x5fc) = (MCHBAR32(0x400 * ch + 0x5fc) |
| 386 | & ~(1 << (lane * 4))) |
| 387 | | (setting->coarse << (lane * 4)); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 388 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 389 | for (rank = 0; rank < 4; rank++) { |
| 390 | MCHBAR32(0x400 * ch + 0x5a4 + rank * 4) = |
| 391 | (MCHBAR32(0x400 * ch + 0x5a4 + rank * 4) |
| 392 | & ~(0x201 << lane)) |
| 393 | | (setting->db_en << (9 + lane)) |
| 394 | | (setting->db_sel << lane); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 395 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 396 | MCHBAR32(0x400 * ch + 0x5c8 + rank * 4) = |
| 397 | (MCHBAR32(0x400 * ch + 0x5c8 + rank * 4) |
| 398 | & ~(0x3 << (lane * 2))) |
| 399 | | (setting->clk_delay << (2 * lane)); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 400 | |
Arthur Heymans | 3876f24 | 2017-06-09 22:55:22 +0200 | [diff] [blame] | 401 | MCHBAR8(0x400*ch + 0x500 + lane * 4 + rank) = |
| 402 | (MCHBAR8(0x400 * ch + 0x500 + lane * 4 + rank) & ~0x7f) |
| 403 | | (setting->pi << 4) |
| 404 | | setting->tap; |
| 405 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 406 | } |
| 407 | |
Arthur Heymans | 95c48cb | 2017-11-04 08:07:06 +0100 | [diff] [blame] | 408 | void rt_set_dqs(u8 channel, u8 lane, u8 rank, |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 409 | struct rt_dqs_setting *dqs_setting) |
| 410 | { |
| 411 | u16 saved_tap = MCHBAR16(0x540 + 0x400 * channel + lane * 4); |
| 412 | u16 saved_pi = MCHBAR16(0x542 + 0x400 * channel + lane * 4); |
Arthur Heymans | 95c48cb | 2017-11-04 08:07:06 +0100 | [diff] [blame] | 413 | printk(RAM_SPEW, "RT DQS: ch%d, r%d, L%d: %d.%d\n", channel, rank, lane, |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 414 | dqs_setting->tap, |
| 415 | dqs_setting->pi); |
| 416 | |
| 417 | saved_tap &= ~(0xf << (rank * 4)); |
| 418 | saved_tap |= dqs_setting->tap << (rank * 4); |
| 419 | MCHBAR16(0x540 + 0x400 * channel + lane * 4) = saved_tap; |
| 420 | |
| 421 | saved_pi &= ~(0x7 << (rank * 3)); |
| 422 | saved_pi |= dqs_setting->pi << (rank * 3); |
| 423 | MCHBAR16(0x542 + 0x400 * channel + lane * 4) = saved_pi; |
| 424 | } |
| 425 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 426 | static void program_timings(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 427 | { |
| 428 | u8 i; |
| 429 | u8 twl, ta1, ta2, ta3, ta4; |
| 430 | u8 reg8; |
| 431 | u8 flag1 = 0; |
| 432 | u8 flag2 = 0; |
| 433 | u16 reg16; |
| 434 | u32 reg32; |
| 435 | u16 ddr, fsb; |
| 436 | u8 trpmod = 0; |
| 437 | u8 bankmod = 1; |
| 438 | u8 pagemod = 0; |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 439 | u8 adjusted_cas; |
| 440 | |
| 441 | adjusted_cas = s->selected_timings.CAS - 3; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 442 | |
| 443 | u16 fsb2ps[3] = { |
| 444 | 5000, // 800 |
| 445 | 3750, // 1067 |
| 446 | 3000 // 1333 |
| 447 | }; |
| 448 | |
| 449 | u16 ddr2ps[6] = { |
| 450 | 5000, // 400 |
| 451 | 3750, // 533 |
| 452 | 3000, // 667 |
| 453 | 2500, // 800 |
| 454 | 1875, // 1067 |
| 455 | 1500 // 1333 |
| 456 | }; |
| 457 | |
| 458 | u16 lut1[6] = { |
| 459 | 0, |
| 460 | 0, |
| 461 | 2600, |
| 462 | 3120, |
| 463 | 4171, |
| 464 | 5200 |
| 465 | }; |
| 466 | |
Arthur Heymans | 66a0f55 | 2017-05-15 10:33:01 +0200 | [diff] [blame] | 467 | const static u8 ddr3_turnaround_tab[3][6][4] = { |
| 468 | { /* DDR3 800 */ |
| 469 | {0x9, 0x7, 0x7, 0x9}, /* CL = 5 */ |
| 470 | {0x9, 0x7, 0x8, 0x8}, /* CL = 6 */ |
| 471 | }, |
| 472 | { /* DDR3 1066 */ |
| 473 | {0x0, 0x0, 0x0, 0x0}, /* CL = 5 - Not supported */ |
| 474 | {0x9, 0x7, 0x7, 0x9}, /* CL = 6 */ |
| 475 | {0x9, 0x7, 0x8, 0x8}, /* CL = 7 */ |
| 476 | {0x9, 0x7, 0x9, 0x7} /* CL = 8 */ |
| 477 | }, |
| 478 | { /* DDR3 1333 */ |
| 479 | {0x0, 0x0, 0x0, 0x0}, /* CL = 5 - Not supported */ |
| 480 | {0x0, 0x0, 0x0, 0x0}, /* CL = 6 - Not supported */ |
| 481 | {0x0, 0x0, 0x0, 0x0}, /* CL = 7 - Not supported */ |
| 482 | {0x9, 0x7, 0x9, 0x8}, /* CL = 8 */ |
| 483 | {0x9, 0x7, 0xA, 0x7}, /* CL = 9 */ |
| 484 | {0x9, 0x7, 0xB, 0x6}, /* CL = 10 */ |
| 485 | } |
| 486 | }; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 487 | |
Arthur Heymans | 66a0f55 | 2017-05-15 10:33:01 +0200 | [diff] [blame] | 488 | /* [DDR freq][0x26F & 1][pagemod] */ |
| 489 | const static u8 ddr2_x252_tab[2][2][2] = { |
| 490 | { /* DDR2 667 */ |
| 491 | {12, 16}, |
| 492 | {14, 18} |
| 493 | }, |
| 494 | { /* DDR2 800 */ |
| 495 | {14, 18}, |
| 496 | {16, 20} |
| 497 | } |
| 498 | }; |
| 499 | |
| 500 | const static u8 ddr3_x252_tab[3][2][2] = { |
| 501 | { /* DDR3 800 */ |
| 502 | {16, 20}, |
| 503 | {18, 22} |
| 504 | }, |
| 505 | { /* DDR3 1067 */ |
| 506 | {20, 26}, |
| 507 | {26, 26} |
| 508 | }, |
| 509 | { /* DDR3 1333 */ |
| 510 | {20, 30}, |
| 511 | {22, 32}, |
| 512 | } |
| 513 | }; |
| 514 | |
| 515 | if (s->spd_type == DDR2) { |
| 516 | ta1 = 6; |
| 517 | ta2 = 6; |
| 518 | ta3 = 5; |
| 519 | ta4 = 8; |
| 520 | } else { |
| 521 | int ddr3_idx = s->selected_timings.mem_clk - MEM_CLOCK_800MHz; |
| 522 | int cas_idx = s->selected_timings.CAS - 5; |
| 523 | ta1 = ddr3_turnaround_tab[ddr3_idx][cas_idx][0]; |
| 524 | ta2 = ddr3_turnaround_tab[ddr3_idx][cas_idx][1]; |
| 525 | ta3 = ddr3_turnaround_tab[ddr3_idx][cas_idx][2]; |
| 526 | ta4 = ddr3_turnaround_tab[ddr3_idx][cas_idx][3]; |
| 527 | } |
| 528 | |
| 529 | if (s->spd_type == DDR2) |
| 530 | twl = s->selected_timings.CAS - 1; |
| 531 | else /* DDR3 */ |
| 532 | twl = s->selected_timings.mem_clk - MEM_CLOCK_800MHz + 5; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 533 | |
| 534 | FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
Arthur Heymans | 3cf9403 | 2017-04-05 16:17:26 +0200 | [diff] [blame] | 535 | if (s->dimms[i].n_banks == N_BANKS_8) { |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 536 | trpmod = 1; |
| 537 | bankmod = 0; |
| 538 | } |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 539 | if (s->dimms[i].page_size == 2048) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 540 | pagemod = 1; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 544 | MCHBAR8(0x400*i + 0x26f) = MCHBAR8(0x400*i + 0x26f) | 0x3; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 545 | MCHBAR8(0x400*i + 0x228) = (MCHBAR8(0x400*i + 0x228) & ~0x7) | 0x2; |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 546 | MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf0) |
| 547 | | (0 << 4); /* tWL - x ?? */ |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 548 | MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf) | |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 549 | adjusted_cas; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 550 | MCHBAR16(0x400*i + 0x265) = (MCHBAR16(0x400*i + 0x265) & ~0x3f00) | |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 551 | ((adjusted_cas + 9) << 8); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 552 | |
| 553 | reg16 = (s->selected_timings.tRAS << 11) | |
| 554 | ((twl + 4 + s->selected_timings.tWR) << 6) | |
| 555 | ((2 + MAX(s->selected_timings.tRTP, 2)) << 2) | 1; |
| 556 | MCHBAR16(0x400*i + 0x250) = reg16; |
| 557 | |
| 558 | reg32 = (bankmod << 21) | |
| 559 | (s->selected_timings.tRRD << 17) | |
| 560 | (s->selected_timings.tRP << 13) | |
| 561 | ((s->selected_timings.tRP + trpmod) << 9) | |
| 562 | s->selected_timings.tRFC; |
Arthur Heymans | 66a0f55 | 2017-05-15 10:33:01 +0200 | [diff] [blame] | 563 | if (bankmod == 0) { |
| 564 | reg8 = (MCHBAR8(0x400*i + 0x26f) >> 1) & 1; |
| 565 | if (s->spd_type == DDR2) |
| 566 | reg32 |= ddr2_x252_tab[s->selected_timings.mem_clk |
| 567 | - MEM_CLOCK_667MHz][reg8][pagemod] |
| 568 | << 22; |
| 569 | else |
| 570 | reg32 |= ddr3_x252_tab[s->selected_timings.mem_clk |
| 571 | - MEM_CLOCK_800MHz][reg8][pagemod] |
| 572 | << 22; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 573 | } |
| 574 | MCHBAR32(0x400*i + 0x252) = reg32; |
| 575 | |
| 576 | MCHBAR16(0x400*i + 0x256) = (s->selected_timings.tRCD << 12) | |
| 577 | (0x4 << 8) | (ta2 << 4) | ta4; |
| 578 | |
| 579 | MCHBAR32(0x400*i + 0x258) = (s->selected_timings.tRCD << 17) | |
| 580 | ((twl + 4 + s->selected_timings.tWTR) << 12) | |
| 581 | (ta3 << 8) | (4 << 4) | ta1; |
| 582 | |
| 583 | MCHBAR16(0x400*i + 0x25b) = ((s->selected_timings.tRP + trpmod) << 9) | |
| 584 | s->selected_timings.tRFC; |
| 585 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 586 | MCHBAR16(0x400*i + 0x260) = (MCHBAR16(0x400*i + 0x260) & ~0x3fe) |
| 587 | | ((s->spd_type == DDR2 ? 100 : 256) << 1); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 588 | MCHBAR8(0x400*i + 0x264) = 0xff; |
| 589 | MCHBAR8(0x400*i + 0x25d) = (MCHBAR8(0x400*i + 0x25d) & ~0x3f) | |
| 590 | s->selected_timings.tRAS; |
| 591 | MCHBAR16(0x400*i + 0x244) = 0x2310; |
| 592 | |
| 593 | switch (s->selected_timings.mem_clk) { |
| 594 | case MEM_CLOCK_667MHz: |
| 595 | reg8 = 0; |
| 596 | break; |
| 597 | default: |
| 598 | reg8 = 1; |
| 599 | break; |
| 600 | } |
| 601 | |
| 602 | MCHBAR8(0x400*i + 0x246) = (MCHBAR8(0x400*i + 0x246) & ~0x1f) | |
| 603 | (reg8 << 2) | 1; |
| 604 | |
| 605 | fsb = fsb2ps[s->selected_timings.fsb_clk]; |
| 606 | ddr = ddr2ps[s->selected_timings.mem_clk]; |
Arthur Heymans | 66a0f55 | 2017-05-15 10:33:01 +0200 | [diff] [blame] | 607 | reg32 = (u32)((s->selected_timings.CAS + 7 + reg8) * ddr); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 608 | reg32 = (u32)((reg32 / fsb) << 8); |
| 609 | reg32 |= 0x0e000000; |
| 610 | if ((fsb2mhz(s->selected_timings.fsb_clk) / |
| 611 | ddr2mhz(s->selected_timings.mem_clk)) > 2) { |
| 612 | reg32 |= 1 << 24; |
| 613 | } |
| 614 | MCHBAR32(0x400*i + 0x248) = (MCHBAR32(0x400*i + 0x248) & ~0x0f001f00) | |
| 615 | reg32; |
| 616 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 617 | if (twl > 2) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 618 | flag1 = 1; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 619 | |
| 620 | if (s->selected_timings.mem_clk >= MEM_CLOCK_800MHz) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 621 | flag2 = 1; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 622 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 623 | reg16 = (u8)(twl - 1 - flag1 - flag2); |
| 624 | reg16 |= reg16 << 4; |
| 625 | if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 626 | if (reg16) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 627 | reg16--; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 628 | } |
| 629 | reg16 |= flag1 << 8; |
| 630 | reg16 |= flag2 << 9; |
| 631 | MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x1ff) | reg16; |
| 632 | MCHBAR16(0x400*i + 0x25e) = 0x15a5; |
| 633 | MCHBAR32(0x400*i + 0x265) = MCHBAR32(0x400*i + 0x265) & ~0x1f; |
| 634 | MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0x000fffff) | |
| 635 | (0x3f << 14) | lut1[s->selected_timings.mem_clk]; |
| 636 | MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) | 1; |
| 637 | MCHBAR8(0x400*i + 0x24c) = MCHBAR8(0x400*i + 0x24c) & ~0x3; |
| 638 | |
| 639 | reg16 = 0; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 640 | if (s->spd_type == DDR2) { |
| 641 | switch (s->selected_timings.mem_clk) { |
| 642 | default: |
| 643 | case MEM_CLOCK_667MHz: |
| 644 | reg16 = 0x99; |
| 645 | break; |
| 646 | case MEM_CLOCK_800MHz: |
| 647 | if (s->selected_timings.CAS == 5) |
| 648 | reg16 = 0x19a; |
| 649 | else if (s->selected_timings.CAS == 6) |
| 650 | reg16 = 0x9a; |
| 651 | break; |
| 652 | } |
| 653 | } else { /* DDR3 */ |
| 654 | switch (s->selected_timings.mem_clk) { |
| 655 | default: |
| 656 | case MEM_CLOCK_800MHz: |
| 657 | case MEM_CLOCK_1066MHz: |
| 658 | reg16 = 1; |
| 659 | break; |
| 660 | case MEM_CLOCK_1333MHz: |
| 661 | reg16 = 2; |
| 662 | break; |
| 663 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 664 | } |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 665 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 666 | reg16 &= 0x7; |
| 667 | reg16 += twl + 9; |
| 668 | reg16 <<= 10; |
| 669 | MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x7c00) | reg16; |
| 670 | MCHBAR8(0x400*i + 0x267) = (MCHBAR8(0x400*i + 0x267) & ~0x3f) | 0x13; |
| 671 | MCHBAR8(0x400*i + 0x268) = (MCHBAR8(0x400*i + 0x268) & ~0xff) | 0x4a; |
| 672 | |
| 673 | reg16 = (MCHBAR16(0x400*i + 0x269) & 0xc000) >> 2; |
| 674 | reg16 += 2 << 12; |
| 675 | reg16 |= (0x15 << 6) | 0x1f; |
| 676 | MCHBAR16(0x400*i + 0x26d) = (MCHBAR16(0x400*i + 0x26d) & ~0x7fff) | reg16; |
| 677 | |
| 678 | reg32 = (1 << 25) | (6 << 27); |
| 679 | MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0xfa300000) | reg32; |
| 680 | MCHBAR8(0x400*i + 0x271) = MCHBAR8(0x400*i + 0x271) & ~0x80; |
| 681 | MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) & ~0x6; |
| 682 | } // END EACH POPULATED CHANNEL |
| 683 | |
| 684 | reg16 = 0x1f << 5; |
| 685 | reg16 |= 0xe << 10; |
| 686 | MCHBAR16(0x125) = (MCHBAR16(0x125) & ~0x3fe0) | reg16; |
| 687 | MCHBAR16(0x127) = (MCHBAR16(0x127) & ~0x7ff) | 0x540; |
| 688 | MCHBAR8(0x129) = MCHBAR8(0x129) | 0x1f; |
| 689 | MCHBAR8(0x12c) = MCHBAR8(0x12c) | 0xa0; |
| 690 | MCHBAR32(0x241) = (MCHBAR32(0x241) & ~0x1ffff) | 0x11; |
| 691 | MCHBAR32(0x641) = (MCHBAR32(0x641) & ~0x1ffff) | 0x11; |
| 692 | MCHBAR8(0x246) = MCHBAR8(0x246) & ~0x10; |
| 693 | MCHBAR8(0x646) = MCHBAR8(0x646) & ~0x10; |
| 694 | MCHBAR32(0x120) = (2 << 29) | (1 << 28) | (1 << 23) | 0xd7f5f; |
| 695 | reg8 = (u8)((MCHBAR32(0x252) & 0x1e000) >> 13); |
| 696 | MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf0) | (reg8 << 4); |
Arthur Heymans | eee4f6b | 2017-01-03 00:49:45 +0100 | [diff] [blame] | 697 | reg8 = (u8)((MCHBAR32(0x258) & 0x1e0000) >> 17); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 698 | MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf) | reg8; |
| 699 | MCHBAR8(0x12f) = 0x4c; |
| 700 | reg32 = (1 << 31) | (0x80 << 14) | (1 << 13) | (0xa << 9); |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 701 | if (s->spd_type == DDR3) { |
| 702 | MCHBAR8(0x114) = 0x42; |
| 703 | reg16 = (512 - MAX(5, s->selected_timings.tRFC + 10000 |
| 704 | / ddr2ps[s->selected_timings.mem_clk])) |
| 705 | / 2; |
| 706 | reg16 &= 0x1ff; |
| 707 | reg32 = (reg16 << 22) | (0x80 << 14) | (0xa << 9); |
| 708 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 709 | MCHBAR32(0x6c0) = (MCHBAR32(0x6c0) & ~0xffffff00) | reg32; |
| 710 | MCHBAR8(0x6c4) = (MCHBAR8(0x6c4) & ~0x7) | 0x2; |
| 711 | } |
| 712 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 713 | static void program_dll(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 714 | { |
Arthur Heymans | 37689fa | 2017-05-17 14:07:10 +0200 | [diff] [blame] | 715 | u8 i, j, r, reg8, clk, async = 0; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 716 | u16 reg16 = 0; |
| 717 | u32 reg32 = 0; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 718 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 719 | const u8 rank2clken[8] = { 0x04, 0x01, 0x20, 0x08, 0x01, 0x04, |
| 720 | 0x08, 0x10 }; |
| 721 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 722 | MCHBAR16(0x180) = (MCHBAR16(0x180) & ~0x7e06) | 0xc04; |
| 723 | MCHBAR16(0x182) = (MCHBAR16(0x182) & ~0x3ff) | 0xc8; |
| 724 | MCHBAR16(0x18a) = (MCHBAR16(0x18a) & ~0x1f1f) | 0x0f0f; |
| 725 | MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x8020) | 0x100; |
| 726 | MCHBAR8(0x194) = (MCHBAR8(0x194) & ~0x77) | 0x33; |
| 727 | switch (s->selected_timings.mem_clk) { |
| 728 | default: |
| 729 | case MEM_CLOCK_667MHz: |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 730 | case MEM_CLOCK_1333MHz: |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 731 | reg16 = (0xa << 9) | 0xa; |
| 732 | break; |
| 733 | case MEM_CLOCK_800MHz: |
| 734 | reg16 = (0x9 << 9) | 0x9; |
| 735 | break; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 736 | case MEM_CLOCK_1066MHz: |
| 737 | reg16 = (0x7 << 9) | 0x7; |
| 738 | break; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 739 | } |
| 740 | MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x1e0f) | reg16; |
| 741 | MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x2030) | 0x2010; |
| 742 | udelay(1); |
| 743 | MCHBAR16(0x198) = MCHBAR16(0x198) & ~0x100; |
| 744 | |
| 745 | MCHBAR16(0x1c8) = (MCHBAR16(0x1c8) & ~0x1f) | 0xd; |
| 746 | |
| 747 | udelay(1); |
| 748 | MCHBAR8(0x190) = MCHBAR8(0x190) & ~1; |
| 749 | udelay(1); // 533ns |
| 750 | MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x11554000; |
| 751 | udelay(1); |
| 752 | MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x1455; |
| 753 | udelay(1); |
| 754 | MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x1c; |
| 755 | MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x1c; |
| 756 | udelay(1); // 533ns |
| 757 | MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x3; |
| 758 | MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x3; |
| 759 | udelay(1); // 533ns |
| 760 | |
| 761 | // ME related |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 762 | MCHBAR32(0x1a0) = (MCHBAR32(0x1a0) & ~0x7ffffff) |
| 763 | | (s->spd_type == DDR2 ? 0x551803 : 0x555801); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 764 | |
| 765 | MCHBAR16(0x1b4) = MCHBAR16(0x1b4) & ~0x800; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 766 | if (s->spd_type == DDR2) { |
| 767 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0xf0; |
| 768 | } else { /* DDR3 */ |
| 769 | reg8 = 0x9; /* 0x9 << 4 ?? */ |
| 770 | if (s->dimms[0].ranks == 2) |
| 771 | reg8 &= ~0x80; |
| 772 | if (s->dimms[3].ranks == 2) |
| 773 | reg8 &= ~0x10; |
| 774 | MCHBAR8(0x1a8) = (MCHBAR8(0x1a8) & ~0xf0) | reg8; |
| 775 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 776 | |
| 777 | FOR_EACH_CHANNEL(i) { |
| 778 | reg16 = 0; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 779 | if ((s->spd_type == DDR3) && (i == 0)) |
| 780 | reg16 = (0x3 << 12); |
| 781 | MCHBAR16(0x400*i + 0x59c) = (MCHBAR16(0x400*i + 0x59c) |
| 782 | & ~0x3000) | reg16; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 783 | |
| 784 | reg32 = 0; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 785 | FOR_EACH_RANK_IN_CHANNEL(r) { |
| 786 | if (!RANK_IS_POPULATED(s->dimms, i, r)) |
| 787 | reg32 |= 0x111 << r; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 788 | } |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 789 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 790 | MCHBAR32(0x400*i + 0x59c) = (MCHBAR32(0x400*i + 0x59c) & ~0xfff) | reg32; |
| 791 | MCHBAR8(0x400*i + 0x594) = MCHBAR8(0x400*i + 0x594) & ~1; |
| 792 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 793 | if (s->spd_type == DDR2) { |
| 794 | if (!CHANNEL_IS_POPULATED(s->dimms, i)) { |
| 795 | printk(BIOS_DEBUG, |
| 796 | "No dimms in channel %d\n", i); |
| 797 | reg8 = 0x3f; |
| 798 | } else if (ONLY_DIMMA_IS_POPULATED(s->dimms, i)) { |
| 799 | printk(BIOS_DEBUG, |
| 800 | "DimmA populated only in channel %d\n", |
| 801 | i); |
| 802 | reg8 = 0x38; |
| 803 | } else if (ONLY_DIMMB_IS_POPULATED(s->dimms, i)) { |
| 804 | printk(BIOS_DEBUG, |
| 805 | "DimmB populated only in channel %d\n", |
| 806 | i); |
| 807 | reg8 = 0x7; |
| 808 | } else if (BOTH_DIMMS_ARE_POPULATED(s->dimms, i)) { |
| 809 | printk(BIOS_DEBUG, |
| 810 | "Both dimms populated in channel %d\n", |
| 811 | i); |
| 812 | reg8 = 0; |
| 813 | } else { |
| 814 | die("Unhandled case\n"); |
| 815 | } |
| 816 | MCHBAR32(0x400*i + 0x5a0) = (MCHBAR32(0x400*i + 0x5a0) |
| 817 | & ~0x3f000000) | ((u32)(reg8 << 24)); |
| 818 | |
| 819 | } else { /* DDR3 */ |
| 820 | FOR_EACH_POPULATED_RANK_IN_CHANNEL(s->dimms, i, r) { |
| 821 | MCHBAR8(0x400 * i + 0x5a0 + 3) = |
| 822 | MCHBAR8(0x400 * i + 0x5a0 + 3) |
| 823 | & ~rank2clken[r + i * 4]; |
| 824 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 825 | } |
| 826 | |
Martin Roth | 128c104 | 2016-11-18 09:29:03 -0700 | [diff] [blame] | 827 | //reg8 = 0x00; // FIXME don't switch on all clocks anyway |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 828 | } // END EACH CHANNEL |
| 829 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 830 | if (s->spd_type == DDR2) { |
| 831 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 1; |
| 832 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4; |
| 833 | } else { /* DDR3 */ |
| 834 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~1; |
| 835 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0x4; |
| 836 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 837 | |
| 838 | // Update DLL timing |
| 839 | MCHBAR8(0x1a4) = MCHBAR8(0x1a4) & ~0x80; |
| 840 | MCHBAR8(0x1a4) = MCHBAR8(0x1a4) | 0x40; |
| 841 | MCHBAR16(0x5f0) = (MCHBAR16(0x5f0) & ~0x400) | 0x400; |
| 842 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 843 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| 844 | MCHBAR16(0x400*i + 0x5f0) = (MCHBAR16(0x400*i + 0x5f0) & ~0x3fc) | 0x3fc; |
| 845 | MCHBAR32(0x400*i + 0x5fc) = MCHBAR32(0x400*i + 0x5fc) & ~0xcccccccc; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 846 | MCHBAR8(0x400*i + 0x5d9) = (MCHBAR8(0x400*i + 0x5d9) & ~0xf0) |
| 847 | | (s->spd_type == DDR2 ? 0x70 : 0x60); |
| 848 | MCHBAR16(0x400*i + 0x590) = (MCHBAR16(0x400*i + 0x590) & ~0xffff) |
| 849 | | (s->spd_type == DDR2 ? 0x5555 : 0xa955); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
Jonathan Neuschäfer | 7be74db | 2018-02-12 12:00:40 +0100 | [diff] [blame] | 853 | const struct dll_setting *setting; |
| 854 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 855 | switch(s->selected_timings.mem_clk) { |
| 856 | default: /* Should not happen */ |
| 857 | case MEM_CLOCK_667MHz: |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 858 | setting = default_ddr2_667_ctrl; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 859 | break; |
| 860 | case MEM_CLOCK_800MHz: |
| 861 | if (s->spd_type == DDR2) |
| 862 | setting = default_ddr2_800_ctrl; |
| 863 | else |
| 864 | setting = default_ddr3_800_ctrl[s->nmode - 1]; |
| 865 | break; |
| 866 | case MEM_CLOCK_1066MHz: |
| 867 | setting = default_ddr3_1067_ctrl[s->nmode - 1]; |
| 868 | break; |
| 869 | case MEM_CLOCK_1333MHz: |
| 870 | setting = default_ddr3_1333_ctrl[s->nmode - 1]; |
| 871 | break; |
| 872 | } |
Jonathan Neuschäfer | 7be74db | 2018-02-12 12:00:40 +0100 | [diff] [blame] | 873 | |
| 874 | clkset0(i, &setting[CLKSET0]); |
| 875 | clkset1(i, &setting[CLKSET1]); |
| 876 | ctrlset0(i, &setting[CTRL0]); |
| 877 | ctrlset1(i, &setting[CTRL1]); |
| 878 | ctrlset2(i, &setting[CTRL2]); |
| 879 | ctrlset3(i, &setting[CTRL3]); |
| 880 | cmdset(i, &setting[CMD]); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 881 | } |
| 882 | |
| 883 | // XXX if not async mode |
| 884 | MCHBAR16(0x180) = MCHBAR16(0x180) & ~0x8200; |
| 885 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4; |
| 886 | j = 0; |
| 887 | for (i = 0; i < 16; i++) { |
| 888 | MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| 889 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 890 | while (MCHBAR8(0x180) & 0x10) |
| 891 | ; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 892 | if (MCHBAR32(0x184) == 0xffffffff) { |
| 893 | j++; |
| 894 | if (j >= 2) |
| 895 | break; |
| 896 | |
| 897 | if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| 898 | j = 2; |
| 899 | break; |
| 900 | } |
| 901 | } else { |
| 902 | j = 0; |
| 903 | } |
| 904 | } |
| 905 | if (i == 1 || ((i == 0) && s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { |
| 906 | j = 0; |
| 907 | i++; |
| 908 | for (; i < 16; i++) { |
| 909 | MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| 910 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 911 | while (MCHBAR8(0x180) & 0x10) |
| 912 | ; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 913 | if (MCHBAR32(0x184) == 0) { |
| 914 | i++; |
| 915 | break; |
| 916 | } |
| 917 | } |
| 918 | for (; i < 16; i++) { |
| 919 | MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| 920 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 921 | while (MCHBAR8(0x180) & 0x10) |
| 922 | ; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 923 | if (MCHBAR32(0x184) == 0xffffffff) { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 924 | j++; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 925 | if (j >= 2) |
| 926 | break; |
| 927 | } else { |
| 928 | j = 0; |
| 929 | } |
| 930 | } |
| 931 | if (j < 2) { |
| 932 | MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f; |
| 933 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 934 | while (MCHBAR8(0x180) & 0x10) |
| 935 | ; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 936 | j = 2; |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | if (j < 2) { |
| 941 | MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f; |
| 942 | async = 1; |
| 943 | } |
| 944 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 945 | switch (s->selected_timings.mem_clk) { |
| 946 | case MEM_CLOCK_667MHz: |
| 947 | clk = 0x1a; |
| 948 | if (async != 1) { |
| 949 | if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) |
| 950 | clk = 0x10; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 951 | } |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 952 | break; |
| 953 | case MEM_CLOCK_800MHz: |
| 954 | case MEM_CLOCK_1066MHz: |
| 955 | if (async != 1) |
| 956 | clk = 0x10; |
| 957 | else |
| 958 | clk = 0x1a; |
| 959 | break; |
| 960 | case MEM_CLOCK_1333MHz: |
| 961 | clk = 0x18; |
| 962 | break; |
| 963 | default: |
| 964 | clk = 0x1a; |
| 965 | break; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 966 | } |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 967 | |
| 968 | if (async != 1) |
| 969 | reg8 = MCHBAR8(0x188) & 0x1e; |
| 970 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 971 | MCHBAR8(0x180) = MCHBAR8(0x180) & ~0x80; |
| 972 | |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 973 | if ((s->spd_type == DDR3 && s->selected_timings.mem_clk == MEM_CLOCK_1066MHz) |
| 974 | || (s->spd_type == DDR2 && s->selected_timings.fsb_clk == FSB_CLOCK_800MHz |
| 975 | && s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { |
Arthur Heymans | 24798a1 | 2017-08-13 16:02:09 +0200 | [diff] [blame] | 976 | i = MCHBAR8(0x1c8) & 0xf; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 977 | if (s->spd_type == DDR2) |
| 978 | i = (i + 10) % 14; |
| 979 | else /* DDR3 */ |
| 980 | i = (i + 3) % 12; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 981 | MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| 982 | MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 983 | while (MCHBAR8(0x180) & 0x10) |
| 984 | ; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | reg8 = MCHBAR8(0x188) & ~1; |
| 988 | MCHBAR8(0x188) = reg8; |
| 989 | reg8 &= ~0x3e; |
| 990 | reg8 |= clk; |
| 991 | MCHBAR8(0x188) = reg8; |
| 992 | reg8 |= 1; |
| 993 | MCHBAR8(0x188) = reg8; |
| 994 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 995 | if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 996 | MCHBAR8(0x18c) = MCHBAR8(0x18c) | 1; |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 997 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 998 | |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 999 | static void select_default_dq_dqs_settings(struct sysinfo *s) |
| 1000 | { |
| 1001 | int ch, lane; |
| 1002 | |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1003 | FOR_EACH_POPULATED_CHANNEL_AND_BYTELANE(s->dimms, ch, lane) { |
| 1004 | switch (s->selected_timings.mem_clk) { |
| 1005 | case MEM_CLOCK_667MHz: |
| 1006 | memcpy(s->dqs_settings[ch], |
| 1007 | default_ddr2_667_dqs, |
| 1008 | sizeof(s->dqs_settings[ch])); |
| 1009 | memcpy(s->dq_settings[ch], |
| 1010 | default_ddr2_667_dq, |
| 1011 | sizeof(s->dq_settings[ch])); |
| 1012 | s->rt_dqs[ch][lane].tap = 7; |
| 1013 | s->rt_dqs[ch][lane].pi = 2; |
| 1014 | break; |
| 1015 | case MEM_CLOCK_800MHz: |
| 1016 | if (s->spd_type == DDR2) { |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1017 | memcpy(s->dqs_settings[ch], |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1018 | default_ddr2_800_dqs, |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1019 | sizeof(s->dqs_settings[ch])); |
| 1020 | memcpy(s->dq_settings[ch], |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1021 | default_ddr2_800_dq, |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1022 | sizeof(s->dq_settings[ch])); |
| 1023 | s->rt_dqs[ch][lane].tap = 7; |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1024 | s->rt_dqs[ch][lane].pi = 0; |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1025 | } else { /* DDR3 */ |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 1026 | memcpy(s->dqs_settings[ch], |
| 1027 | default_ddr3_800_dqs[s->nmode - 1], |
| 1028 | sizeof(s->dqs_settings[ch])); |
| 1029 | memcpy(s->dq_settings[ch], |
| 1030 | default_ddr3_800_dq[s->nmode - 1], |
| 1031 | sizeof(s->dq_settings[ch])); |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1032 | s->rt_dqs[ch][lane].tap = 6; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 1033 | s->rt_dqs[ch][lane].pi = 3; |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1034 | } |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1035 | break; |
| 1036 | case MEM_CLOCK_1066MHz: |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 1037 | memcpy(s->dqs_settings[ch], |
| 1038 | default_ddr3_1067_dqs[s->nmode - 1], |
| 1039 | sizeof(s->dqs_settings[ch])); |
| 1040 | memcpy(s->dq_settings[ch], |
| 1041 | default_ddr3_1067_dq[s->nmode - 1], |
| 1042 | sizeof(s->dq_settings[ch])); |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1043 | s->rt_dqs[ch][lane].tap = 5; |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 1044 | s->rt_dqs[ch][lane].pi = 3; |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1045 | break; |
| 1046 | case MEM_CLOCK_1333MHz: |
Arthur Heymans | 638240e | 2017-12-25 18:14:46 +0100 | [diff] [blame] | 1047 | memcpy(s->dqs_settings[ch], |
| 1048 | default_ddr3_1333_dqs[s->nmode - 1], |
| 1049 | sizeof(s->dqs_settings[ch])); |
| 1050 | memcpy(s->dq_settings[ch], |
| 1051 | default_ddr3_1333_dq[s->nmode - 1], |
| 1052 | sizeof(s->dq_settings[ch])); |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1053 | s->rt_dqs[ch][lane].tap = 7; |
| 1054 | s->rt_dqs[ch][lane].pi = 0; |
| 1055 | break; |
| 1056 | default: /* not supported */ |
| 1057 | break; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1058 | } |
| 1059 | } |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1060 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1061 | |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1062 | /* |
| 1063 | * It looks like only the RT DQS register for the first rank |
| 1064 | * is used for all ranks. Just set all the 'unused' RT DQS registers |
| 1065 | * to the same as rank 0, out of precaution. |
| 1066 | */ |
| 1067 | static void set_all_dq_dqs_dll_settings(struct sysinfo *s) |
| 1068 | { |
| 1069 | // Program DQ/DQS dll settings |
| 1070 | int ch, lane, rank; |
| 1071 | |
| 1072 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1073 | FOR_EACH_BYTELANE(lane) { |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 1074 | FOR_EACH_RANK_IN_CHANNEL(rank) { |
| 1075 | rt_set_dqs(ch, lane, rank, |
| 1076 | &s->rt_dqs[ch][lane]); |
| 1077 | } |
| 1078 | dqsset(ch, lane, &s->dqs_settings[ch][lane]); |
| 1079 | dqset(ch, lane, &s->dq_settings[ch][lane]); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1084 | static void prog_rcomp(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1085 | { |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1086 | u8 i, j, k, reg8; |
| 1087 | const u32 ddr2_x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A, |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1088 | 0x04040404, 0x08070605, 0x0C0B0A09, 0x100F0E0D }; |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1089 | const u16 ddr2_x378[6] = { 0, 0xAAAA, 0x7777, 0x7777, 0x7777, 0x7777 }; |
| 1090 | const u32 ddr2_x382[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x04030303, 0x04030303 }; |
| 1091 | const u32 ddr2_x386[6] = { 0, 0x03020202, 0x03020202, 0x03020202, 0x05040404, 0x05040404 }; |
| 1092 | const u32 ddr2_x38a[6] = { 0, 0x04040303, 0x04040303, 0x04040303, 0x07070605, 0x07070605 }; |
| 1093 | const u32 ddr2_x38e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x09090808, 0x09090808 }; |
| 1094 | const u32 ddr2_x392[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x03030202, 0x03030202 }; |
| 1095 | const u32 ddr2_x396[6] = { 0, 0x03030202, 0x03030202, 0x03030202, 0x05040303, 0x05040303 }; |
| 1096 | const u32 ddr2_x39a[6] = { 0, 0x04040403, 0x04040403, 0x04040403, 0x07070605, 0x07070605 }; |
| 1097 | const u32 ddr2_x39e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x08080808, 0x08080808 }; |
| 1098 | |
| 1099 | const u32 ddr3_x32a[8] = {0x06060606, 0x06060606, 0x0b090807, 0x12110f0d, |
| 1100 | 0x06060606, 0x08070606, 0x0d0b0a09, 0x16161511}; |
| 1101 | const u16 ddr3_x378[6] = {0, 0xbbbb, 0x6666, 0x6666, 0x6666, 0x6666}; |
| 1102 | const u32 ddr3_x382[6] = {0, 0x05050505, 0x04040404, 0x04040404, 0x34343434, 0x34343434}; |
| 1103 | const u32 ddr3_x386[6] = {0, 0x05050505, 0x04040404, 0x04040404, 0x34343434, 0x34343434}; |
| 1104 | const u32 ddr3_x38a[6] = {0, 0x06060605, 0x07060504, 0x07060504, 0x34343434, 0x34343434}; |
| 1105 | const u32 ddr3_x38e[6] = {0, 0x09080707, 0x09090808, 0x09090808, 0x34343434, 0x34343434}; |
| 1106 | const u32 ddr3_x392[6] = {0, 0x05050505, 0x04040404, 0x04040404, 0x34343434, 0x34343434}; |
| 1107 | const u32 ddr3_x396[6] = {0, 0x05050505, 0x04040404, 0x04040404, 0x34343434, 0x34343434}; |
| 1108 | const u32 ddr3_x39a[6] = {0, 0x07060606, 0x08070605, 0x08070605, 0x34343434, 0x34343434}; |
| 1109 | const u32 ddr3_x39e[6] = {0, 0x09090807, 0x0b0b0a09, 0x0b0b0a09, 0x34343434, 0x34343434}; |
| 1110 | |
| 1111 | const u16 *x378; |
| 1112 | const u32 *x32a, *x382, *x386, *x38a, *x38e; |
| 1113 | const u32 *x392, *x396, *x39a, *x39e; |
| 1114 | |
| 1115 | const u16 addr[6] = { 0x31c, 0x374, 0x3a2, 0x3d0, 0x3fe, 0x42c }; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1116 | u8 bit[6] = { 0, 0, 1, 1, 0, 0 }; |
| 1117 | |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1118 | if (s->spd_type == DDR2) { |
| 1119 | x32a = ddr2_x32a; |
| 1120 | x378 = ddr2_x378; |
| 1121 | x382 = ddr2_x382; |
| 1122 | x386 = ddr2_x386; |
| 1123 | x38a = ddr2_x38a; |
| 1124 | x38e = ddr2_x38e; |
| 1125 | x392 = ddr2_x392; |
| 1126 | x396 = ddr2_x396; |
| 1127 | x39a = ddr2_x39a; |
| 1128 | x39e = ddr2_x39e; |
| 1129 | } else { /* DDR3 */ |
| 1130 | x32a = ddr3_x32a; |
| 1131 | x378 = ddr3_x378; |
| 1132 | x382 = ddr3_x382; |
| 1133 | x386 = ddr3_x386; |
| 1134 | x38a = ddr3_x38a; |
| 1135 | x38e = ddr3_x38e; |
| 1136 | x392 = ddr3_x392; |
| 1137 | x396 = ddr3_x396; |
| 1138 | x39a = ddr3_x39a; |
| 1139 | x39e = ddr3_x39e; |
| 1140 | } |
| 1141 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1142 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| 1143 | for (j = 0; j < 6; j++) { |
| 1144 | if (j == 0) { |
| 1145 | MCHBAR32(0x400*i + addr[j]) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1146 | (MCHBAR32(0x400*i + addr[j]) & ~0xff000) |
| 1147 | | 0xaa000; |
| 1148 | MCHBAR16(0x400*i + 0x320) = (MCHBAR16(0x400*i + 0x320) |
| 1149 | & ~0xffff) | 0x6666; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1150 | for (k = 0; k < 8; k++) { |
| 1151 | MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1152 | (MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) |
| 1153 | & ~0x3f3f3f3f) | x32a[k]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1154 | MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1155 | (MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) |
| 1156 | & ~0x3f3f3f3f) | x32a[k]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1157 | } |
| 1158 | } else { |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1159 | MCHBAR16(0x400*i + addr[j]) = |
| 1160 | (MCHBAR16(0x400*i + addr[j]) |
| 1161 | & ~0xf000) | 0xa000; |
| 1162 | MCHBAR16(0x400*i + addr[j] + 4) = |
| 1163 | (MCHBAR16(0x400*i + addr[j] + 4) |
| 1164 | & ~0xffff) | x378[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1165 | MCHBAR32(0x400*i + addr[j] + 0xe) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1166 | (MCHBAR32(0x400*i + addr[j] + 0xe) |
| 1167 | & ~0x3f3f3f3f) | x382[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1168 | MCHBAR32(0x400*i + addr[j] + 0x12) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1169 | (MCHBAR32(0x400*i + addr[j] + 0x12) |
| 1170 | & ~0x3f3f3f3f) | x386[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1171 | MCHBAR32(0x400*i + addr[j] + 0x16) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1172 | (MCHBAR32(0x400*i + addr[j] + 0x16) |
| 1173 | & ~0x3f3f3f3f) | x38a[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1174 | MCHBAR32(0x400*i + addr[j] + 0x1a) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1175 | (MCHBAR32(0x400*i + addr[j] + 0x1a) |
| 1176 | & ~0x3f3f3f3f) | x38e[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1177 | MCHBAR32(0x400*i + addr[j] + 0x1e) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1178 | (MCHBAR32(0x400*i + addr[j] + 0x1e) |
| 1179 | & ~0x3f3f3f3f) | x392[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1180 | MCHBAR32(0x400*i + addr[j] + 0x22) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1181 | (MCHBAR32(0x400*i + addr[j] + 0x22) |
| 1182 | & ~0x3f3f3f3f) | x396[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1183 | MCHBAR32(0x400*i + addr[j] + 0x26) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1184 | (MCHBAR32(0x400*i + addr[j] + 0x26) |
| 1185 | & ~0x3f3f3f3f) | x39a[j]; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1186 | MCHBAR32(0x400*i + addr[j] + 0x2a) = |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1187 | (MCHBAR32(0x400*i + addr[j] + 0x2a) |
| 1188 | & ~0x3f3f3f3f) | x39e[j]; |
| 1189 | } |
| 1190 | if (s->spd_type == DDR3 |
| 1191 | && BOTH_DIMMS_ARE_POPULATED(s->dimms, i)) { |
| 1192 | MCHBAR16(0x378 + 0x400 * i) = |
| 1193 | (MCHBAR16(0x378 + 0x400 * i) |
| 1194 | & ~0xffff) | 0xcccc; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1195 | } |
| 1196 | MCHBAR8(0x400*i + addr[j]) = (MCHBAR8(0x400*i + addr[j]) & ~1) | bit[j]; |
| 1197 | } |
Arthur Heymans | 0d1c9b0 | 2017-05-15 10:40:42 +0200 | [diff] [blame] | 1198 | reg8 = (s->spd_type == DDR2) ? 0x12 : 0x36; |
| 1199 | MCHBAR8(0x400*i + 0x45a) = (MCHBAR8(0x400*i + 0x45a) & ~0x3f) | reg8; |
| 1200 | MCHBAR8(0x400*i + 0x45e) = (MCHBAR8(0x400*i + 0x45e) & ~0x3f) | reg8; |
| 1201 | MCHBAR8(0x400*i + 0x462) = (MCHBAR8(0x400*i + 0x462) & ~0x3f) | reg8; |
| 1202 | MCHBAR8(0x400*i + 0x466) = (MCHBAR8(0x400*i + 0x466) & ~0x3f) | reg8; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1203 | } // END EACH POPULATED CHANNEL |
| 1204 | |
| 1205 | MCHBAR32(0x134) = (MCHBAR32(0x134) & ~0x63c00) | 0x63c00; |
| 1206 | MCHBAR16(0x174) = (MCHBAR16(0x174) & ~0x63ff) | 0x63ff; |
| 1207 | MCHBAR16(0x178) = 0x0135; |
| 1208 | MCHBAR32(0x130) = (MCHBAR32(0x130) & ~0x7bdffe0) | 0x7a9ffa0; |
| 1209 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1210 | if (!CHANNEL_IS_POPULATED(s->dimms, 0)) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1211 | MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 27); |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1212 | if (!CHANNEL_IS_POPULATED(s->dimms, 1)) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1213 | MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 28); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1214 | |
| 1215 | MCHBAR8(0x130) = MCHBAR8(0x130) | 1; |
| 1216 | } |
| 1217 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1218 | static void program_odt(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1219 | { |
| 1220 | u8 i; |
Arthur Heymans | e6cc21e | 2017-05-15 10:43:20 +0200 | [diff] [blame] | 1221 | static u16 ddr2_odt[16][2] = { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1222 | { 0x0000, 0x0000 }, // NC_NC |
| 1223 | { 0x0000, 0x0001 }, // x8SS_NC |
| 1224 | { 0x0000, 0x0011 }, // x8DS_NC |
| 1225 | { 0x0000, 0x0001 }, // x16SS_NC |
| 1226 | { 0x0004, 0x0000 }, // NC_x8SS |
| 1227 | { 0x0101, 0x0404 }, // x8SS_x8SS |
| 1228 | { 0x0101, 0x4444 }, // x8DS_x8SS |
| 1229 | { 0x0101, 0x0404 }, // x16SS_x8SS |
| 1230 | { 0x0044, 0x0000 }, // NC_x8DS |
| 1231 | { 0x1111, 0x0404 }, // x8SS_x8DS |
| 1232 | { 0x1111, 0x4444 }, // x8DS_x8DS |
| 1233 | { 0x1111, 0x0404 }, // x16SS_x8DS |
| 1234 | { 0x0004, 0x0000 }, // NC_x16SS |
| 1235 | { 0x0101, 0x0404 }, // x8SS_x16SS |
| 1236 | { 0x0101, 0x4444 }, // x8DS_x16SS |
| 1237 | { 0x0101, 0x0404 }, // x16SS_x16SS |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1238 | }; |
| 1239 | |
Arthur Heymans | e6cc21e | 2017-05-15 10:43:20 +0200 | [diff] [blame] | 1240 | static const u16 ddr3_odt[16][2] = { |
| 1241 | { 0x0000, 0x0000 }, // NC_NC |
| 1242 | { 0x0000, 0x0001 }, // x8SS_NC |
| 1243 | { 0x0000, 0x0021 }, // x8DS_NC |
| 1244 | { 0x0000, 0x0001 }, // x16SS_NC |
| 1245 | { 0x0004, 0x0000 }, // NC_x8SS |
| 1246 | { 0x0105, 0x0405 }, // x8SS_x8SS |
| 1247 | { 0x0105, 0x4465 }, // x8DS_x8SS |
| 1248 | { 0x0105, 0x0405 }, // x16SS_x8SS |
| 1249 | { 0x0084, 0x0000 }, // NC_x8DS |
| 1250 | { 0x1195, 0x0405 }, // x8SS_x8DS |
| 1251 | { 0x1195, 0x4465 }, // x8DS_x8DS |
| 1252 | { 0x1195, 0x0405 }, // x16SS_x8DS |
| 1253 | { 0x0004, 0x0000 }, // NC_x16SS |
| 1254 | { 0x0105, 0x0405 }, // x8SS_x16SS |
| 1255 | { 0x0105, 0x4465 }, // x8DS_x16SS |
| 1256 | { 0x0105, 0x0405 }, // x16SS_x16SS |
| 1257 | }; |
| 1258 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1259 | FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
Arthur Heymans | e6cc21e | 2017-05-15 10:43:20 +0200 | [diff] [blame] | 1260 | if (s->spd_type == DDR2) { |
| 1261 | MCHBAR16(0x400 * i + 0x298) = |
| 1262 | ddr2_odt[s->dimm_config[i]][1]; |
| 1263 | MCHBAR16(0x400 * i + 0x294) = |
| 1264 | ddr2_odt[s->dimm_config[i]][0]; |
| 1265 | } else { |
| 1266 | MCHBAR16(0x400 * i + 0x298) = |
| 1267 | ddr3_odt[s->dimm_config[i]][1]; |
| 1268 | MCHBAR16(0x400 * i + 0x294) = |
| 1269 | ddr3_odt[s->dimm_config[i]][0]; |
| 1270 | } |
| 1271 | u16 reg16 = MCHBAR16(0x400*i + 0x29c); |
| 1272 | reg16 &= ~0xfff; |
| 1273 | reg16 |= (s->spd_type == DDR2 ? 0x66b : 0x778); |
| 1274 | MCHBAR16(0x400*i + 0x29c) = reg16; |
| 1275 | MCHBAR32(0x400*i + 0x260) = (MCHBAR32(0x400*i + 0x260) |
| 1276 | & ~0x70e3c00) | 0x3063c00; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1277 | } |
| 1278 | } |
| 1279 | |
Arthur Heymans | 1994e448 | 2017-11-04 07:52:23 +0100 | [diff] [blame] | 1280 | static void pre_jedec_memory_map(void) |
| 1281 | { |
| 1282 | /* |
| 1283 | * Configure the memory mapping in stacked mode (channel 1 being mapped |
| 1284 | * above channel 0) and with 128M per rank. |
| 1285 | * This simplifies dram trainings a lot since those need a test address. |
| 1286 | * |
| 1287 | * +-------------+ => 0 |
| 1288 | * | ch 0, rank 0| |
| 1289 | * +-------------+ => 0x8000000 (128M) |
| 1290 | * | ch 0, rank 1| |
| 1291 | * +-------------+ => 0x10000000 (256M) |
| 1292 | * | ch 0, rank 2| |
| 1293 | * +-------------+ => 0x18000000 (384M) |
| 1294 | * | ch 0, rank 3| |
| 1295 | * +-------------+ => 0x20000000 (512M) |
| 1296 | * | ch 1, rank 0| |
| 1297 | * +-------------+ => 0x28000000 (640M) |
| 1298 | * | ch 1, rank 1| |
| 1299 | * +-------------+ => 0x30000000 (768M) |
| 1300 | * | ch 1, rank 2| |
| 1301 | * +-------------+ => 0x38000000 (896M) |
| 1302 | * | ch 1, rank 3| |
| 1303 | * +-------------+ |
| 1304 | * |
| 1305 | * After all trainings are done this is set to the real values specified |
| 1306 | * by the SPD. |
| 1307 | */ |
| 1308 | /* Set rank 0-3 populated */ |
| 1309 | MCHBAR32(C0CKECTRL) = (MCHBAR32(C0CKECTRL) & ~1) | 0xf00000; |
| 1310 | MCHBAR32(C1CKECTRL) = (MCHBAR32(C1CKECTRL) & ~1) | 0xf00000; |
| 1311 | /* Set size of each rank to 128M */ |
| 1312 | MCHBAR16(C0DRA01) = 0x0101; |
| 1313 | MCHBAR16(C0DRA23) = 0x0101; |
| 1314 | MCHBAR16(C1DRA01) = 0x0101; |
| 1315 | MCHBAR16(C1DRA23) = 0x0101; |
| 1316 | MCHBAR16(C0DRB0) = 0x0002; |
| 1317 | MCHBAR16(C0DRB1) = 0x0004; |
| 1318 | MCHBAR16(C0DRB2) = 0x0006; |
| 1319 | MCHBAR16(C0DRB3) = 0x0008; |
| 1320 | MCHBAR16(C1DRB0) = 0x0002; |
| 1321 | MCHBAR16(C1DRB1) = 0x0004; |
| 1322 | MCHBAR16(C1DRB2) = 0x0006; |
| 1323 | /* |
| 1324 | * For some reason the boundary needs to be 0x10 instead of 0x8 here. |
| 1325 | * Vendor does this too... |
| 1326 | */ |
| 1327 | MCHBAR16(C1DRB3) = 0x0010; |
| 1328 | MCHBAR8(0x111) = MCHBAR8(0x111) | STACKED_MEM; |
| 1329 | MCHBAR32(0x104) = 0; |
| 1330 | MCHBAR16(0x102) = 0x400; |
| 1331 | MCHBAR8(0x110) = (2 << 5) | (3 << 3); |
| 1332 | MCHBAR16(0x10e) = 0; |
| 1333 | MCHBAR32(0x108) = 0; |
| 1334 | pci_write_config16(PCI_DEV(0, 0, 0), D0F0_TOLUD, 0x4000); |
| 1335 | /* TOM(64M unit) = 1G = TOTAL_CHANNELS * RANKS_PER_CHANNEL * 128M */ |
| 1336 | pci_write_config16(PCI_DEV(0, 0, 0), D0F0_TOM, 0x10); |
| 1337 | /* TOUUD(1M unit) = 1G = TOTAL_CHANNELS * RANKS_PER_CHANNEL * 128M */ |
| 1338 | pci_write_config16(PCI_DEV(0, 0, 0), D0F0_TOUUD, 0x0400); |
| 1339 | pci_write_config32(PCI_DEV(0, 0, 0), D0F0_GBSM, 0x40000000); |
| 1340 | pci_write_config32(PCI_DEV(0, 0, 0), D0F0_BGSM, 0x40000000); |
| 1341 | pci_write_config32(PCI_DEV(0, 0, 0), D0F0_TSEG, 0x40000000); |
| 1342 | } |
| 1343 | |
| 1344 | u32 test_address(int channel, int rank) |
| 1345 | { |
| 1346 | ASSERT(channel <= 1 && rank < 4); |
| 1347 | return channel * 512 * MiB + rank * 128 * MiB; |
| 1348 | } |
| 1349 | |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 1350 | |
| 1351 | /* DDR3 Rank1 Address mirror |
| 1352 | * swap the following pins: |
| 1353 | * A3<->A4, A5<->A6, A7<->A8, BA0<->BA1 */ |
| 1354 | static u32 mirror_shift_bit(const u32 data, u8 bit) |
| 1355 | { |
| 1356 | u32 temp0 = data, temp1 = data; |
| 1357 | temp0 &= 1 << bit; |
| 1358 | temp0 <<= 1; |
| 1359 | temp1 &= 1 << (bit + 1); |
| 1360 | temp1 >>= 1; |
| 1361 | return (data & ~(3 << bit)) | temp0 | temp1; |
| 1362 | } |
| 1363 | |
Arthur Heymans | b5170c3 | 2017-12-25 20:13:28 +0100 | [diff] [blame] | 1364 | void send_jedec_cmd(const struct sysinfo *s, u8 r, u8 ch, u8 cmd, u32 val) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1365 | { |
Arthur Heymans | 1994e448 | 2017-11-04 07:52:23 +0100 | [diff] [blame] | 1366 | u32 addr = test_address(ch, r); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1367 | volatile u32 rubbish; |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 1368 | u8 data8 = cmd; |
| 1369 | u32 data32; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1370 | |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 1371 | if (s->spd_type == DDR3 && (r & 1) |
| 1372 | && s->dimms[ch * 2 + (r >> 1)].mirrored) { |
| 1373 | data8 = (u8)mirror_shift_bit(data8, 4); |
| 1374 | } |
| 1375 | |
| 1376 | MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | data8; |
| 1377 | MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | data8; |
| 1378 | data32 = val; |
| 1379 | if (s->spd_type == DDR3 && (r & 1) |
| 1380 | && s->dimms[ch * 2 + (r >> 1)].mirrored) { |
| 1381 | data32 = mirror_shift_bit(data32, 3); |
| 1382 | data32 = mirror_shift_bit(data32, 5); |
| 1383 | data32 = mirror_shift_bit(data32, 7); |
| 1384 | } |
| 1385 | data32 <<= 3; |
| 1386 | |
| 1387 | rubbish = read32((void *)((data32 | addr))); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1388 | udelay(10); |
| 1389 | MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | NORMALOP_CMD; |
| 1390 | MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | NORMALOP_CMD; |
| 1391 | } |
| 1392 | |
| 1393 | static void jedec_ddr2(struct sysinfo *s) |
| 1394 | { |
| 1395 | u8 i; |
| 1396 | u16 mrsval, ch, r, v; |
| 1397 | |
| 1398 | u8 odt[16][4] = { |
| 1399 | {0x00, 0x00, 0x00, 0x00}, |
| 1400 | {0x01, 0x00, 0x00, 0x00}, |
| 1401 | {0x01, 0x01, 0x00, 0x00}, |
| 1402 | {0x01, 0x00, 0x00, 0x00}, |
| 1403 | {0x00, 0x00, 0x01, 0x00}, |
| 1404 | {0x11, 0x00, 0x11, 0x00}, |
| 1405 | {0x11, 0x11, 0x11, 0x00}, |
| 1406 | {0x11, 0x00, 0x11, 0x00}, |
| 1407 | {0x00, 0x00, 0x01, 0x01}, |
| 1408 | {0x11, 0x00, 0x11, 0x11}, |
| 1409 | {0x11, 0x11, 0x11, 0x11}, |
| 1410 | {0x11, 0x00, 0x11, 0x11}, |
| 1411 | {0x00, 0x00, 0x01, 0x00}, |
| 1412 | {0x11, 0x00, 0x11, 0x00}, |
| 1413 | {0x11, 0x11, 0x11, 0x00}, |
| 1414 | {0x11, 0x00, 0x11, 0x00} |
| 1415 | }; |
| 1416 | |
| 1417 | u16 jedec[12][2] = { |
| 1418 | {NOP_CMD, 0x0}, |
| 1419 | {PRECHARGE_CMD, 0x0}, |
| 1420 | {EMRS2_CMD, 0x0}, |
| 1421 | {EMRS3_CMD, 0x0}, |
| 1422 | {EMRS1_CMD, 0x0}, |
| 1423 | {MRS_CMD, 0x100}, // DLL Reset |
| 1424 | {PRECHARGE_CMD, 0x0}, |
| 1425 | {CBR_CMD, 0x0}, |
| 1426 | {CBR_CMD, 0x0}, |
| 1427 | {MRS_CMD, 0x0}, // DLL out of reset |
| 1428 | {EMRS1_CMD, 0x380}, // OCD calib default |
| 1429 | {EMRS1_CMD, 0x0} |
| 1430 | }; |
| 1431 | |
| 1432 | mrsval = (s->selected_timings.CAS << 4) | ((s->selected_timings.tWR - 1) << 9) | 0xb; |
| 1433 | |
| 1434 | printk(BIOS_DEBUG, "MRS...\n"); |
| 1435 | |
| 1436 | udelay(200); |
| 1437 | |
| 1438 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 1439 | printk(BIOS_DEBUG, "CH%d: Found Rank %d\n", ch, r); |
| 1440 | for (i = 0; i < 12; i++) { |
| 1441 | v = jedec[i][1]; |
| 1442 | switch (jedec[i][0]) { |
| 1443 | case EMRS1_CMD: |
| 1444 | v |= (odt[s->dimm_config[ch]][r] << 2); |
| 1445 | break; |
| 1446 | case MRS_CMD: |
| 1447 | v |= mrsval; |
| 1448 | break; |
| 1449 | default: |
| 1450 | break; |
| 1451 | } |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 1452 | send_jedec_cmd(s, r, ch, jedec[i][0], v); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1453 | udelay(1); |
Arthur Heymans | cfa2eaa | 2017-03-20 16:32:07 +0100 | [diff] [blame] | 1454 | printk(RAM_SPEW, "Jedec step %d\n", i); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1455 | } |
| 1456 | } |
| 1457 | printk(BIOS_DEBUG, "MRS done\n"); |
| 1458 | } |
| 1459 | |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 1460 | static void jedec_ddr3(struct sysinfo *s) |
| 1461 | { |
| 1462 | int ch, r, dimmconfig, cmd, ddr3_freq; |
| 1463 | |
| 1464 | u8 ddr3_emrs2_rtt_wr_config[16][4] = { /* [config][Rank] */ |
| 1465 | {0, 0, 0, 0}, /* NC_NC */ |
| 1466 | {0, 0, 0, 0}, /* x8ss_NC */ |
| 1467 | {0, 0, 0, 0}, /* x8ds_NC */ |
| 1468 | {0, 0, 0, 0}, /* x16ss_NC */ |
| 1469 | {0, 0, 0, 0}, /* NC_x8ss */ |
| 1470 | {2, 0, 2, 0}, /* x8ss_x8ss */ |
| 1471 | {2, 2, 2, 0}, /* x8ds_x8ss */ |
| 1472 | {2, 0, 2, 0}, /* x16ss_x8ss */ |
| 1473 | {0, 0, 0, 0}, /* NC_x8ss */ |
| 1474 | {2, 0, 2, 2}, /* x8ss_x8ds */ |
| 1475 | {2, 2, 2, 2}, /* x8ds_x8ds */ |
| 1476 | {2, 0, 2, 2}, /* x16ss_x8ds */ |
| 1477 | {0, 0, 0, 0}, /* NC_x16ss */ |
| 1478 | {2, 0, 2, 0}, /* x8ss_x16ss */ |
| 1479 | {2, 2, 2, 0}, /* x8ds_x16ss */ |
| 1480 | {2, 0, 2, 0}, /* x16ss_x16ss */ |
| 1481 | }; |
| 1482 | |
| 1483 | printk(BIOS_DEBUG, "MRS...\n"); |
| 1484 | |
| 1485 | ddr3_freq = s->selected_timings.mem_clk - MEM_CLOCK_800MHz; |
| 1486 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 1487 | printk(BIOS_DEBUG, "CH%d: Found Rank %d\n", ch, r); |
| 1488 | send_jedec_cmd(s, r, ch, NOP_CMD, 0); |
| 1489 | udelay(200); |
| 1490 | dimmconfig = s->dimm_config[ch]; |
| 1491 | cmd = ddr3_freq << 3; /* actually twl - 5 which is same */ |
| 1492 | cmd |= ddr3_emrs2_rtt_wr_config[dimmconfig][r] << 9; |
| 1493 | send_jedec_cmd(s, r, ch, EMRS2_CMD, cmd); |
| 1494 | send_jedec_cmd(s, r, ch, EMRS3_CMD, 0); |
| 1495 | cmd = ddr3_emrs1_rtt_nom_config[dimmconfig][r] << 2; |
| 1496 | /* Hardcode output drive strength to 34 Ohm / RZQ/7 (why??) */ |
| 1497 | cmd |= (1 << 1); |
| 1498 | send_jedec_cmd(s, r, ch, EMRS1_CMD, cmd); |
| 1499 | /* Burst type interleaved, burst length 8, Reset DLL, |
| 1500 | * Precharge PD: DLL on */ |
| 1501 | send_jedec_cmd(s, r, ch, MRS_CMD, (1 << 3) | (1 << 8) |
| 1502 | | (1 << 12) | ((s->selected_timings.CAS - 4) << 4) |
| 1503 | | ((s->selected_timings.tWR - 4) << 9)); |
| 1504 | send_jedec_cmd(s, r, ch, ZQCAL_CMD, (1 << 10)); |
| 1505 | } |
| 1506 | printk(BIOS_DEBUG, "MRS done\n"); |
| 1507 | } |
| 1508 | |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1509 | static void sdram_recover_receive_enable(const struct sysinfo *s) |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1510 | { |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1511 | u32 reg32; |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1512 | u16 medium, coarse_offset; |
| 1513 | u8 pi_tap; |
| 1514 | int lane, channel; |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1515 | |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1516 | FOR_EACH_POPULATED_CHANNEL(s->dimms, channel) { |
| 1517 | medium = 0; |
| 1518 | coarse_offset = 0; |
| 1519 | reg32 = MCHBAR32(0x400 * channel + 0x248); |
| 1520 | reg32 &= ~0xf0000; |
| 1521 | reg32 |= s->rcven_t[channel].min_common_coarse << 16; |
| 1522 | MCHBAR32(0x400 * channel + 0x248) = reg32; |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1523 | |
Arthur Heymans | 276049f | 2017-11-05 05:56:34 +0100 | [diff] [blame] | 1524 | FOR_EACH_BYTELANE(lane) { |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1525 | medium |= s->rcven_t[channel].medium[lane] |
| 1526 | << (lane * 2); |
| 1527 | coarse_offset |= |
| 1528 | (s->rcven_t[channel].coarse_offset[lane] & 0x3) |
| 1529 | << (lane * 2); |
| 1530 | |
| 1531 | pi_tap = MCHBAR8(0x400 * channel + 0x560 + lane * 4); |
| 1532 | pi_tap &= ~0x7f; |
| 1533 | pi_tap |= s->rcven_t[channel].tap[lane]; |
| 1534 | pi_tap |= s->rcven_t[channel].pi[lane] << 4; |
| 1535 | MCHBAR8(0x400 * channel + 0x560 + lane * 4) = pi_tap; |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1536 | } |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1537 | MCHBAR16(0x400 * channel + 0x58c) = medium; |
| 1538 | MCHBAR16(0x400 * channel + 0x5fa) = coarse_offset; |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1539 | } |
| 1540 | } |
| 1541 | |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1542 | static void sdram_program_receive_enable(struct sysinfo *s, int fast_boot) |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1543 | { |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1544 | /* Program Receive Enable Timings */ |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 1545 | if (fast_boot) |
| 1546 | sdram_recover_receive_enable(s); |
| 1547 | else |
Arthur Heymans | 6d7a8c1 | 2017-03-07 20:48:14 +0100 | [diff] [blame] | 1548 | rcven(s); |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1549 | } |
| 1550 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1551 | static void set_dradrb(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1552 | { |
| 1553 | u8 map, i, ch, r, rankpop0, rankpop1; |
| 1554 | u32 c0dra = 0; |
| 1555 | u32 c1dra = 0; |
| 1556 | u32 c0drb = 0; |
| 1557 | u32 c1drb = 0; |
| 1558 | u32 dra; |
| 1559 | u32 dra0; |
| 1560 | u32 dra1; |
| 1561 | u16 totalmemorymb; |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1562 | u32 dual_channel_size, single_channel_size, single_channel_offset; |
| 1563 | u32 size_ch0, size_ch1, size_me; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1564 | u8 dratab[2][2][2][4] = { |
| 1565 | { |
| 1566 | { |
| 1567 | {0xff, 0xff, 0xff, 0xff}, |
| 1568 | {0xff, 0x00, 0x02, 0xff} |
| 1569 | }, |
| 1570 | { |
| 1571 | {0xff, 0x01, 0xff, 0xff}, |
| 1572 | {0xff, 0x03, 0xff, 0xff} |
| 1573 | } |
| 1574 | }, |
| 1575 | { |
| 1576 | { |
| 1577 | {0xff, 0xff, 0xff, 0xff}, |
| 1578 | {0xff, 0x04, 0x06, 0x08} |
| 1579 | }, |
| 1580 | { |
| 1581 | {0xff, 0xff, 0xff, 0xff}, |
| 1582 | {0x05, 0x07, 0x09, 0xff} |
| 1583 | } |
| 1584 | } |
| 1585 | }; |
| 1586 | |
| 1587 | u8 drbtab[10] = {0x04, 0x02, 0x08, 0x04, 0x08, 0x04, 0x10, 0x08, 0x20, 0x10}; |
| 1588 | |
| 1589 | // DRA |
| 1590 | rankpop0 = 0; |
| 1591 | rankpop1 = 0; |
| 1592 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1593 | if (s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED |
| 1594 | && (r) < s->dimms[ch<<1].ranks) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1595 | i = ch << 1; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1596 | else |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1597 | i = (ch << 1) + 1; |
Arthur Heymans | 3cf9403 | 2017-04-05 16:17:26 +0200 | [diff] [blame] | 1598 | |
| 1599 | dra = dratab[s->dimms[i].n_banks] |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1600 | [s->dimms[i].width] |
| 1601 | [s->dimms[i].cols-9] |
| 1602 | [s->dimms[i].rows-12]; |
Arthur Heymans | 3cf9403 | 2017-04-05 16:17:26 +0200 | [diff] [blame] | 1603 | if (s->dimms[i].n_banks == N_BANKS_8) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1604 | dra |= 0x80; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1605 | if (ch == 0) { |
| 1606 | c0dra |= dra << (r*8); |
| 1607 | rankpop0 |= 1 << r; |
| 1608 | } else { |
| 1609 | c1dra |= dra << (r*8); |
| 1610 | rankpop1 |= 1 << r; |
| 1611 | } |
| 1612 | } |
| 1613 | MCHBAR32(0x208) = c0dra; |
| 1614 | MCHBAR32(0x608) = c1dra; |
| 1615 | |
| 1616 | MCHBAR8(0x262) = (MCHBAR8(0x262) & ~0xf0) | ((rankpop0 << 4) & 0xf0); |
| 1617 | MCHBAR8(0x662) = (MCHBAR8(0x662) & ~0xf0) | ((rankpop1 << 4) & 0xf0); |
| 1618 | |
Arthur Heymans | b4a7804 | 2017-12-25 20:17:41 +0100 | [diff] [blame] | 1619 | if (s->spd_type == DDR3) { |
| 1620 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| 1621 | /* ZQCAL enable */ |
| 1622 | MCHBAR32(0x269 + 0x400 * ch) = |
| 1623 | MCHBAR32(0x269 + 0x400 * ch) | (1 << 26); |
| 1624 | } |
| 1625 | } |
| 1626 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1627 | if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) || |
| 1628 | ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1629 | MCHBAR8(0x260) = MCHBAR8(0x260) | 1; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1630 | if (ONLY_DIMMA_IS_POPULATED(s->dimms, 1) || |
| 1631 | ONLY_DIMMB_IS_POPULATED(s->dimms, 1)) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1632 | MCHBAR8(0x660) = MCHBAR8(0x660) | 1; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1633 | |
| 1634 | // DRB |
Arthur Heymans | dfce932 | 2017-12-16 19:48:00 +0100 | [diff] [blame] | 1635 | FOR_EACH_RANK(ch, r) { |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1636 | if (ch == 0) { |
Arthur Heymans | dfce932 | 2017-12-16 19:48:00 +0100 | [diff] [blame] | 1637 | if (RANK_IS_POPULATED(s->dimms, ch, r)) { |
| 1638 | dra0 = (c0dra >> (8*r)) & 0x7f; |
| 1639 | c0drb = (u16)(c0drb + drbtab[dra0]); |
| 1640 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1641 | MCHBAR16(0x200 + 2*r) = c0drb; |
| 1642 | } else { |
Arthur Heymans | dfce932 | 2017-12-16 19:48:00 +0100 | [diff] [blame] | 1643 | if (RANK_IS_POPULATED(s->dimms, ch, r)) { |
| 1644 | dra1 = (c1dra >> (8*r)) & 0x7f; |
| 1645 | c1drb = (u16)(c1drb + drbtab[dra1]); |
| 1646 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1647 | MCHBAR16(0x600 + 2*r) = c1drb; |
| 1648 | } |
| 1649 | } |
| 1650 | |
| 1651 | s->channel_capacity[0] = c0drb << 6; |
| 1652 | s->channel_capacity[1] = c1drb << 6; |
| 1653 | totalmemorymb = s->channel_capacity[0] + s->channel_capacity[1]; |
| 1654 | printk(BIOS_DEBUG, "Total memory: %d + %d = %dMiB\n", |
| 1655 | s->channel_capacity[0], s->channel_capacity[1], totalmemorymb); |
| 1656 | |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1657 | /* Populated channel sizes in MiB */ |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1658 | size_ch0 = s->channel_capacity[0]; |
| 1659 | size_ch1 = s->channel_capacity[1]; |
| 1660 | size_me = ME_UMA_SIZEMB; |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1661 | |
| 1662 | MCHBAR8(0x111) = MCHBAR8(0x111) & ~0x2; |
| 1663 | MCHBAR8(0x111) = MCHBAR8(0x111) | (1 << 4); |
| 1664 | |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1665 | if (size_me == 0) { |
| 1666 | dual_channel_size = MIN(size_ch0, size_ch1) * 2; |
| 1667 | } else { |
| 1668 | if (size_ch0 == 0) { |
| 1669 | /* ME needs ram on CH0 */ |
| 1670 | size_me = 0; |
| 1671 | /* TOTEST: bailout? */ |
| 1672 | } else { |
| 1673 | /* Set ME UMA size in MiB */ |
| 1674 | MCHBAR16(0x100) = size_me; |
| 1675 | /* Set ME UMA Present bit */ |
| 1676 | MCHBAR32(0x111) = MCHBAR32(0x111) | 1; |
| 1677 | } |
| 1678 | dual_channel_size = MIN(size_ch0 - size_me, size_ch1) * 2; |
| 1679 | } |
| 1680 | MCHBAR16(0x104) = dual_channel_size; |
| 1681 | single_channel_size = size_ch0 + size_ch1 - dual_channel_size; |
| 1682 | MCHBAR16(0x102) = single_channel_size; |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1683 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1684 | map = 0; |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1685 | if (size_ch0 == 0) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1686 | map = 0; |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1687 | else if (size_ch1 == 0) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1688 | map |= 0x20; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1689 | else |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1690 | map |= 0x40; |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1691 | |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1692 | if (dual_channel_size == 0) |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1693 | map |= 0x18; |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1694 | /* Enable flex mode, we hardcode this everywhere */ |
| 1695 | if (size_me == 0) { |
| 1696 | map |= 0x04; |
| 1697 | if (size_ch0 <= size_ch1) |
| 1698 | map |= 0x01; |
| 1699 | } else { |
| 1700 | if (size_ch0 - size_me < size_ch1) |
| 1701 | map |= 0x04; |
| 1702 | } |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1703 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1704 | MCHBAR8(0x110) = map; |
| 1705 | MCHBAR16(0x10e) = 0; |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1706 | |
Arthur Heymans | 701da39 | 2017-12-16 22:56:19 +0100 | [diff] [blame] | 1707 | /* |
| 1708 | * "108h[15:0] Single Channel Offset for Ch0" |
| 1709 | * This is the 'limit' of the part on CH0 that cannot be matched |
| 1710 | * with memory on CH1. MCHBAR16(0x10a) is where the dual channel |
| 1711 | * memory on ch0s end and MCHBAR16(0x108) is the limit of the single |
| 1712 | * channel size on ch0. |
| 1713 | */ |
| 1714 | if (size_me == 0) { |
| 1715 | if (size_ch0 > size_ch1) |
| 1716 | single_channel_offset = dual_channel_size / 2 |
| 1717 | + single_channel_size; |
| 1718 | else |
| 1719 | single_channel_offset = dual_channel_size / 2; |
| 1720 | } else { |
| 1721 | if ((size_ch0 > size_ch1) && ((map & 0x7) == 4)) |
| 1722 | single_channel_offset = dual_channel_size / 2 |
| 1723 | + single_channel_size; |
| 1724 | else |
| 1725 | single_channel_offset = dual_channel_size / 2 |
| 1726 | + size_me; |
| 1727 | } |
| 1728 | |
| 1729 | MCHBAR16(0x108) = single_channel_offset; |
| 1730 | MCHBAR16(0x10a) = dual_channel_size / 2; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1731 | } |
| 1732 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1733 | static void configure_mmap(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1734 | { |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1735 | bool reclaim; |
| 1736 | u32 gfxsize, gttsize, tsegsize, mmiosize, tom, tolud, touud; |
| 1737 | u32 gfxbase, gttbase, tsegbase, reclaimbase, reclaimlimit; |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1738 | u32 mmiostart, umasizem; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1739 | u16 ggc; |
Arthur Heymans | 27f94ee | 2016-06-18 21:08:58 +0200 | [diff] [blame] | 1740 | u16 ggc2uma[] = { 0, 1, 4, 8, 16, 32, 48, 64, 128, 256, 96, |
| 1741 | 160, 224, 352 }; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1742 | u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4}; |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1743 | u8 reg8; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1744 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1745 | ggc = pci_read_config16(PCI_DEV(0, 0, 0), 0x52); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1746 | gfxsize = ggc2uma[(ggc & 0xf0) >> 4]; |
| 1747 | gttsize = ggc2gtt[(ggc & 0xf00) >> 8]; |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1748 | tsegsize = 8; // 8MB TSEG |
Damien Zammit | 523e90f | 2016-09-05 02:32:40 +1000 | [diff] [blame] | 1749 | mmiosize = 0x800; // 2GB MMIO |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1750 | umasizem = gfxsize + gttsize + tsegsize; |
| 1751 | mmiostart = 0x1000 - mmiosize + umasizem; |
Damien Zammit | 9fb08f5 | 2016-01-22 18:56:23 +1100 | [diff] [blame] | 1752 | tom = s->channel_capacity[0] + s->channel_capacity[1] - ME_UMA_SIZEMB; |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1753 | tolud = MIN(mmiostart, tom); |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1754 | |
| 1755 | reclaim = false; |
| 1756 | if ((tom - tolud) > 0x40) |
| 1757 | reclaim = true; |
| 1758 | |
| 1759 | if (reclaim) { |
| 1760 | tolud = tolud & ~0x3f; |
| 1761 | tom = tom & ~0x3f; |
| 1762 | reclaimbase = MAX(0x1000, tom); |
| 1763 | reclaimlimit = reclaimbase + (MIN(0x1000, tom) - tolud) - 0x40; |
| 1764 | } |
| 1765 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1766 | touud = tom; |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1767 | if (reclaim) |
| 1768 | touud = reclaimlimit + 0x40; |
| 1769 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1770 | gfxbase = tolud - gfxsize; |
| 1771 | gttbase = gfxbase - gttsize; |
| 1772 | tsegbase = gttbase - tsegsize; |
| 1773 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1774 | pci_write_config16(PCI_DEV(0, 0, 0), 0xb0, tolud << 4); |
| 1775 | pci_write_config16(PCI_DEV(0, 0, 0), 0xa0, tom >> 6); |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1776 | if (reclaim) { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1777 | pci_write_config16(PCI_DEV(0, 0, 0), 0x98, |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1778 | (u16)(reclaimbase >> 6)); |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1779 | pci_write_config16(PCI_DEV(0, 0, 0), 0x9a, |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 1780 | (u16)(reclaimlimit >> 6)); |
| 1781 | } |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1782 | pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, touud); |
| 1783 | pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, gfxbase << 20); |
| 1784 | pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, gttbase << 20); |
Arthur Heymans | 16a70a4 | 2017-09-22 12:22:24 +0200 | [diff] [blame] | 1785 | /* Enable and set tseg size to 8M */ |
| 1786 | reg8 = pci_read_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC); |
| 1787 | reg8 &= ~0x7; |
| 1788 | reg8 |= (2 << 1) | (1 << 0); /* 8M and TSEG_Enable */ |
| 1789 | pci_write_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC, reg8); |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1790 | pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegbase << 20); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1791 | } |
| 1792 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1793 | static void set_enhanced_mode(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1794 | { |
| 1795 | u8 ch, reg8; |
| 1796 | |
| 1797 | MCHBAR32(0xfb0) = 0x1000d024; |
| 1798 | MCHBAR32(0xfb4) = 0xc842; |
| 1799 | MCHBAR32(0xfbc) = 0xf; |
| 1800 | MCHBAR32(0xfc4) = 0xfe22244; |
| 1801 | MCHBAR8(0x12f) = 0x5c; |
| 1802 | MCHBAR8(0xfb0) = (MCHBAR8(0xfb0) & ~1) | 1; |
Arthur Heymans | 3fa103a | 2017-05-25 19:54:49 +0200 | [diff] [blame] | 1803 | if (s->selected_timings.mem_clk <= MEM_CLOCK_800MHz) |
| 1804 | MCHBAR8(0x12f) = MCHBAR8(0x12f) | 0x2; |
| 1805 | else |
| 1806 | MCHBAR8(0x12f) = MCHBAR8(0x12f) & 0x2; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1807 | MCHBAR8(0x6c0) = (MCHBAR8(0x6c0) & ~0xf0) | 0xa0; |
| 1808 | MCHBAR32(0xfa8) = 0x30d400; |
| 1809 | |
| 1810 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| 1811 | MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1; |
| 1812 | MCHBAR32(0x400*ch + 0x278) = 0x88141881; |
| 1813 | MCHBAR16(0x400*ch + 0x27c) = 0x0041; |
| 1814 | MCHBAR8(0x400*ch + 0x292) = 0xf2; |
| 1815 | MCHBAR16(0x400*ch + 0x272) = MCHBAR16(0x400*ch + 0x272) | 0x100; |
| 1816 | MCHBAR8(0x400*ch + 0x243) = (MCHBAR8(0x400*ch + 0x243) & ~0x2) | 1; |
| 1817 | MCHBAR32(0x400*ch + 0x288) = 0x8040200; |
| 1818 | MCHBAR32(0x400*ch + 0x28c) = 0xff402010; |
| 1819 | MCHBAR32(0x400*ch + 0x290) = 0x4f2091c; |
| 1820 | } |
| 1821 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1822 | reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0); |
| 1823 | pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 | 1); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1824 | MCHBAR32(0xfa0) = (MCHBAR32(0xfa0) & ~0x20002) | 0x2; |
| 1825 | MCHBAR32(0xfa4) = (MCHBAR32(0xfa4) & ~0x219100c3) | 0x219100c2; |
| 1826 | MCHBAR32(0x2c) = 0x44a53; |
| 1827 | MCHBAR32(0x30) = 0x1f5a86; |
| 1828 | MCHBAR32(0x34) = 0x1902810; |
| 1829 | MCHBAR32(0x38) = 0xf7000000; |
| 1830 | MCHBAR32(0x3c) = 0x23014410; |
| 1831 | MCHBAR32(0x40) = (MCHBAR32(0x40) & ~0x8f038000) | 0x8f038000; |
| 1832 | MCHBAR32(0x20) = 0x33001; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1833 | pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~1); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1834 | } |
| 1835 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1836 | static void power_settings(struct sysinfo *s) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1837 | { |
| 1838 | u32 reg1, reg2, reg3, reg4, clkgate, x592; |
| 1839 | u8 lane, ch; |
| 1840 | u8 twl = 0; |
| 1841 | u16 x264, x23c; |
| 1842 | |
Arthur Heymans | 3fa103a | 2017-05-25 19:54:49 +0200 | [diff] [blame] | 1843 | if (s->spd_type == DDR2) { |
| 1844 | twl = s->selected_timings.CAS - 1; |
| 1845 | x264 = 0x78; |
| 1846 | |
| 1847 | switch (s->selected_timings.mem_clk) { |
| 1848 | default: |
| 1849 | case MEM_CLOCK_667MHz: |
| 1850 | reg1 = 0x99; |
| 1851 | reg2 = 0x1048a9; |
| 1852 | clkgate = 0x230000; |
| 1853 | x23c = 0x7a89; |
| 1854 | break; |
| 1855 | case MEM_CLOCK_800MHz: |
| 1856 | if (s->selected_timings.CAS == 5) { |
| 1857 | reg1 = 0x19a; |
| 1858 | reg2 = 0x1048aa; |
| 1859 | } else { |
| 1860 | reg1 = 0x9a; |
| 1861 | reg2 = 0x2158aa; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1862 | x264 = 0x89; |
Arthur Heymans | 3fa103a | 2017-05-25 19:54:49 +0200 | [diff] [blame] | 1863 | } |
| 1864 | clkgate = 0x280000; |
| 1865 | x23c = 0x7b89; |
| 1866 | break; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1867 | } |
Arthur Heymans | 3fa103a | 2017-05-25 19:54:49 +0200 | [diff] [blame] | 1868 | reg3 = 0x232; |
| 1869 | reg4 = 0x2864; |
| 1870 | } else { /* DDR3 */ |
| 1871 | int ddr3_idx = s->selected_timings.mem_clk - MEM_CLOCK_800MHz; |
| 1872 | int cas_idx = s->selected_timings.CAS - 5; |
| 1873 | |
| 1874 | twl = s->selected_timings.mem_clk - MEM_CLOCK_800MHz + 5; |
| 1875 | reg1 = ddr3_c2_tab[s->nmode - 1][ddr3_idx][cas_idx][0]; |
| 1876 | reg2 = ddr3_c2_tab[s->nmode - 1][ddr3_idx][cas_idx][1]; |
| 1877 | reg3 = 0x764; |
| 1878 | reg4 = 0x78c8; |
| 1879 | x264 = ddr3_c2_x264[ddr3_idx][cas_idx]; |
| 1880 | x23c = ddr3_c2_x23c[ddr3_idx][cas_idx]; |
| 1881 | switch (s->selected_timings.mem_clk) { |
| 1882 | case MEM_CLOCK_800MHz: |
| 1883 | default: |
| 1884 | clkgate = 0x280000; |
| 1885 | break; |
| 1886 | case MEM_CLOCK_1066MHz: |
| 1887 | clkgate = 0x350000; |
| 1888 | break; |
| 1889 | case MEM_CLOCK_1333MHz: |
| 1890 | clkgate = 0xff0000; |
| 1891 | break; |
| 1892 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1893 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1894 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1895 | if (CHANNEL_IS_POPULATED(s->dimms, 0) && CHANNEL_IS_POPULATED(s->dimms, 1)) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1896 | MCHBAR32(0x14) = 0x0010461f; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1897 | else |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1898 | MCHBAR32(0x14) = 0x0010691f; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1899 | MCHBAR32(0x18) = 0xdf6437f7; |
| 1900 | MCHBAR32(0x1c) = 0x0; |
| 1901 | MCHBAR32(0x24) = (MCHBAR32(0x24) & ~0xe0000000) | 0x30000000; |
| 1902 | MCHBAR32(0x44) = (MCHBAR32(0x44) & ~0x1fef0000) | 0x6b0000; |
| 1903 | MCHBAR16(0x115) = (u16) reg1; |
| 1904 | MCHBAR32(0x117) = (MCHBAR32(0x117) & ~0xffffff) | reg2; |
| 1905 | MCHBAR8(0x124) = 0x7; |
| 1906 | MCHBAR16(0x12a) = (MCHBAR16(0x12a) & 0) | 0x80; |
| 1907 | MCHBAR8(0x12c) = (MCHBAR8(0x12c) & 0) | 0xa0; |
| 1908 | MCHBAR16(0x174) = MCHBAR16(0x174) & ~(1 << 15); |
| 1909 | MCHBAR16(0x188) = (MCHBAR16(0x188) & ~0x1f00) | 0x1f00; |
| 1910 | MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0x8; |
| 1911 | MCHBAR8(0x192) = (MCHBAR8(0x192) & ~1) | 1; |
| 1912 | MCHBAR8(0x193) = (MCHBAR8(0x193) & ~0xf) | 0xf; |
| 1913 | MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x480) | 0x80; |
| 1914 | MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0x1fff) | 0x3f; // | clockgatingiii |
| 1915 | MCHBAR32(0x6d1) = (MCHBAR32(0x6d1) & ~0xff03ff) | 0x100 | clkgate; |
| 1916 | MCHBAR8(0x212) = (MCHBAR8(0x212) & ~0x7f) | 0x7f; |
| 1917 | MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0xffff0) | 0xcc5f0; |
| 1918 | MCHBAR8(0x2c4) = (MCHBAR8(0x2c4) & ~0x70) | 0x70; |
| 1919 | MCHBAR32(0x2d1) = (MCHBAR32(0x2d1) & ~0xffffff) | 0xff2831; // | clockgatingi |
| 1920 | MCHBAR32(0x2d4) = 0x40453600; |
| 1921 | MCHBAR32(0x300) = 0xc0b0a08; |
| 1922 | MCHBAR32(0x304) = 0x6040201; |
| 1923 | MCHBAR32(0x30c) = (MCHBAR32(0x30c) & ~0x43c0f) | 0x41405; |
| 1924 | MCHBAR16(0x610) = 0x232; |
| 1925 | MCHBAR16(0x612) = 0x2864; |
| 1926 | MCHBAR32(0x62c) = (MCHBAR32(0x62c) & ~0xc000000) | 0x4000000; |
| 1927 | MCHBAR32(0xae4) = 0; |
| 1928 | MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0xf0000) | 0x10000; |
| 1929 | MCHBAR32(0xf00) = 0x393a3b3c; |
| 1930 | MCHBAR32(0xf04) = 0x3d3e3f40; |
| 1931 | MCHBAR32(0xf08) = 0x393a3b3c; |
| 1932 | MCHBAR32(0xf0c) = 0x3d3e3f40; |
| 1933 | MCHBAR32(0xf18) = MCHBAR32(0xf18) & ~0xfff00001; |
| 1934 | MCHBAR32(0xf48) = 0xfff0ffe0; |
| 1935 | MCHBAR32(0xf4c) = 0xffc0ff00; |
| 1936 | MCHBAR32(0xf50) = 0xfc00f000; |
| 1937 | MCHBAR32(0xf54) = 0xc0008000; |
| 1938 | MCHBAR32(0xf6c) = (MCHBAR32(0xf6c) & ~0xffff0000) | 0xffff0000; |
| 1939 | MCHBAR32(0xfac) = MCHBAR32(0xfac) & ~0x80000000; |
| 1940 | MCHBAR32(0xfb8) = MCHBAR32(0xfb8) & ~0xff000000; |
| 1941 | MCHBAR32(0xfbc) = (MCHBAR32(0xfbc) & ~0x7f800) | 0xf000; |
| 1942 | MCHBAR32(0x1104) = 0x3003232; |
| 1943 | MCHBAR32(0x1108) = 0x74; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1944 | if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1945 | MCHBAR32(0x110c) = 0xaa; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1946 | else |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1947 | MCHBAR32(0x110c) = 0x100; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1948 | MCHBAR32(0x1110) = 0x10810350 & ~0x78; |
| 1949 | MCHBAR32(0x1114) = 0; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1950 | x592 = 0xff; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1951 | if (pci_read_config8(PCI_DEV(0, 0, 0), 0x8) < 3) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1952 | x592 = ~0x4; |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1953 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1954 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| 1955 | MCHBAR8(0x400*ch + 0x239) = twl + 15; |
| 1956 | MCHBAR16(0x400*ch + 0x23c) = x23c; |
| 1957 | MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0x706033) | 0x406033; |
| 1958 | MCHBAR32(0x400*ch + 0x260) = (MCHBAR32(0x400*ch + 0x260) & ~(1 << 16)) | (1 << 16); |
| 1959 | MCHBAR8(0x400*ch + 0x264) = x264; |
| 1960 | MCHBAR8(0x400*ch + 0x592) = (MCHBAR8(0x400*ch + 0x592) & ~0x3f) | (0x3c & x592); |
| 1961 | MCHBAR8(0x400*ch + 0x593) = (MCHBAR8(0x400*ch + 0x593) & ~0x1f) | 0x1e; |
| 1962 | } |
| 1963 | |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 1964 | for (lane = 0; lane < 8; lane++) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1965 | MCHBAR8(0x561 + (lane << 2)) = MCHBAR8(0x561 + (lane << 2)) & ~(1 << 3); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1966 | } |
| 1967 | |
Arthur Heymans | b5170c3 | 2017-12-25 20:13:28 +0100 | [diff] [blame] | 1968 | static void software_ddr3_reset(struct sysinfo *s) |
| 1969 | { |
| 1970 | printk(BIOS_DEBUG, "Software initiated DDR3 reset.\n"); |
| 1971 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0x02; |
| 1972 | MCHBAR8(0x5da) = MCHBAR8(0x5da) & ~0x80; |
| 1973 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x02; |
| 1974 | MCHBAR8(0x5da) = (MCHBAR8(0x5da) & ~0x03) | 1; |
| 1975 | udelay(200); |
| 1976 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x02; |
| 1977 | MCHBAR8(0x5da) = MCHBAR8(0x5da) | 0x80; |
| 1978 | MCHBAR8(0x5da) = MCHBAR8(0x5da) & ~0x80; |
| 1979 | udelay(500); |
| 1980 | MCHBAR8(0x5da) = MCHBAR8(0x5da) | 0x03; |
| 1981 | MCHBAR8(0x5da) = MCHBAR8(0x5da) & ~0x03; |
| 1982 | /* After write leveling the dram needs to be reset and reinitialised */ |
| 1983 | jedec_ddr3(s); |
| 1984 | } |
| 1985 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 1986 | void do_raminit(struct sysinfo *s, int fast_boot) |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1987 | { |
| 1988 | u8 ch; |
| 1989 | u8 r, bank; |
| 1990 | u32 reg32; |
| 1991 | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1992 | if (s->boot_path != BOOT_PATH_WARM_RESET) { |
| 1993 | // Clear self refresh |
| 1994 | MCHBAR32(PMSTS_MCHBAR) = MCHBAR32(PMSTS_MCHBAR) |
| 1995 | | PMSTS_BOTH_SELFREFRESH; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1996 | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 1997 | // Clear host clk gate reg |
| 1998 | MCHBAR32(0x1c) = MCHBAR32(0x1c) | 0xffffffff; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 1999 | |
Arthur Heymans | 840c27e | 2017-05-15 10:21:37 +0200 | [diff] [blame] | 2000 | // Select type |
| 2001 | if (s->spd_type == DDR2) |
| 2002 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4; |
| 2003 | else |
| 2004 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0x4; |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2005 | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2006 | // Set freq |
| 2007 | MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0x70) | |
| 2008 | (s->selected_timings.mem_clk << 4) | (1 << 10); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2009 | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2010 | // Overwrite freq if chipset rejects it |
| 2011 | s->selected_timings.mem_clk = (MCHBAR8(0xc00) & 0x70) >> 4; |
| 2012 | if (s->selected_timings.mem_clk > (s->max_fsb + 3)) |
| 2013 | die("Error: DDR is faster than FSB, halt\n"); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2014 | } |
| 2015 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2016 | // Program clock crossing |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2017 | program_crossclock(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2018 | printk(BIOS_DEBUG, "Done clk crossing\n"); |
| 2019 | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2020 | if (s->boot_path != BOOT_PATH_WARM_RESET) { |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2021 | setioclk_dram(s); |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2022 | printk(BIOS_DEBUG, "Done I/O clk\n"); |
| 2023 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2024 | |
| 2025 | // Grant to launch |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2026 | launch_dram(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2027 | printk(BIOS_DEBUG, "Done launch\n"); |
| 2028 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2029 | // Program DRAM timings |
| 2030 | program_timings(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2031 | printk(BIOS_DEBUG, "Done timings\n"); |
| 2032 | |
| 2033 | // Program DLL |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2034 | program_dll(s); |
Arthur Heymans | 0bf87de | 2017-11-04 06:15:05 +0100 | [diff] [blame] | 2035 | if (!fast_boot) |
| 2036 | select_default_dq_dqs_settings(s); |
| 2037 | set_all_dq_dqs_dll_settings(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2038 | |
| 2039 | // RCOMP |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2040 | if (s->boot_path != BOOT_PATH_WARM_RESET) { |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2041 | prog_rcomp(s); |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2042 | printk(BIOS_DEBUG, "RCOMP\n"); |
| 2043 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2044 | |
| 2045 | // ODT |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2046 | program_odt(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2047 | printk(BIOS_DEBUG, "Done ODT\n"); |
| 2048 | |
| 2049 | // RCOMP update |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2050 | if (s->boot_path != BOOT_PATH_WARM_RESET) { |
| 2051 | while ((MCHBAR8(0x130) & 1) != 0) |
| 2052 | ; |
| 2053 | printk(BIOS_DEBUG, "Done RCOMP update\n"); |
| 2054 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2055 | |
Arthur Heymans | 1994e448 | 2017-11-04 07:52:23 +0100 | [diff] [blame] | 2056 | pre_jedec_memory_map(); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2057 | |
| 2058 | // IOBUFACT |
| 2059 | if (CHANNEL_IS_POPULATED(s->dimms, 0)) { |
| 2060 | MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f; |
| 2061 | MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x7; |
| 2062 | } |
| 2063 | if (CHANNEL_IS_POPULATED(s->dimms, 1)) { |
Arthur Heymans | 70a1dda | 2017-03-09 01:58:24 +0100 | [diff] [blame] | 2064 | if (pci_read_config8(PCI_DEV(0, 0, 0), 0x8) < 2) { |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2065 | MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f; |
| 2066 | MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 1; |
| 2067 | } |
| 2068 | MCHBAR8(0x9dd) = (MCHBAR8(0x9dd) & ~0x3f) | 0x3f; |
| 2069 | MCHBAR8(0x9d8) = MCHBAR8(0x9d8) | 0x7; |
| 2070 | } |
| 2071 | |
Arthur Heymans | b5170c3 | 2017-12-25 20:13:28 +0100 | [diff] [blame] | 2072 | /* DDR3 reset */ |
| 2073 | if ((s->spd_type == DDR3) && (s->boot_path != BOOT_PATH_RESUME)) { |
| 2074 | printk(BIOS_DEBUG, "DDR3 Reset.\n"); |
| 2075 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x2; |
| 2076 | MCHBAR8(0x5da) = MCHBAR8(0x5da) | 0x80; |
| 2077 | udelay(500); |
| 2078 | MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x2; |
| 2079 | MCHBAR8(0x5da) = MCHBAR8(0x5da) & ~0x80; |
| 2080 | udelay(500); |
| 2081 | } |
| 2082 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2083 | // Pre jedec |
| 2084 | MCHBAR8(0x40) = MCHBAR8(0x40) | 0x2; |
| 2085 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| 2086 | MCHBAR32(0x400*ch + 0x260) = MCHBAR32(0x400*ch + 0x260) | (1 << 27); |
| 2087 | } |
| 2088 | MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf000) | 0xf000; |
| 2089 | MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf00) | 0xf00; |
| 2090 | printk(BIOS_DEBUG, "Done pre-jedec\n"); |
| 2091 | |
| 2092 | // JEDEC reset |
Arthur Heymans | f128726 | 2017-12-25 18:30:01 +0100 | [diff] [blame] | 2093 | if (s->boot_path != BOOT_PATH_RESUME) { |
| 2094 | if (s->spd_type == DDR2) |
| 2095 | jedec_ddr2(s); |
| 2096 | else /* DDR3 */ |
| 2097 | jedec_ddr3(s); |
| 2098 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2099 | |
| 2100 | printk(BIOS_DEBUG, "Done jedec steps\n"); |
| 2101 | |
Arthur Heymans | b5170c3 | 2017-12-25 20:13:28 +0100 | [diff] [blame] | 2102 | if (s->spd_type == DDR3) { |
| 2103 | if (!fast_boot) |
| 2104 | search_write_leveling(s); |
| 2105 | if (s->boot_path == BOOT_PATH_NORMAL) |
| 2106 | software_ddr3_reset(s); |
| 2107 | } |
| 2108 | |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2109 | // After JEDEC reset |
| 2110 | MCHBAR8(0x40) = MCHBAR8(0x40) & ~0x2; |
| 2111 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
Arthur Heymans | 0d28495 | 2017-05-25 19:55:52 +0200 | [diff] [blame] | 2112 | reg32 = (2 << 18); |
| 2113 | reg32 |= post_jedec_tab[s->selected_timings.fsb_clk] |
| 2114 | [s->selected_timings.mem_clk - MEM_CLOCK_667MHz][0] |
| 2115 | << 13; |
| 2116 | if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz && |
| 2117 | s->selected_timings.fsb_clk == FSB_CLOCK_1066MHz && |
| 2118 | ch == 1) { |
| 2119 | reg32 |= (post_jedec_tab[s->selected_timings.fsb_clk] |
| 2120 | [s->selected_timings.mem_clk - MEM_CLOCK_667MHz][1] |
| 2121 | - 1) << 8; |
| 2122 | } else { |
| 2123 | reg32 |= post_jedec_tab[s->selected_timings.fsb_clk] |
| 2124 | [s->selected_timings.mem_clk - MEM_CLOCK_667MHz][1] |
| 2125 | << 8; |
| 2126 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2127 | MCHBAR32(0x400*ch + 0x274) = (MCHBAR32(0x400*ch + 0x274) & ~0xfff00) | reg32; |
| 2128 | MCHBAR8(0x400*ch + 0x274) = MCHBAR8(0x400*ch + 0x274) & ~0x80; |
| 2129 | MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1; |
| 2130 | MCHBAR32(0x400*ch + 0x278) = 0x88141881; |
| 2131 | MCHBAR16(0x400*ch + 0x27c) = 0x41; |
| 2132 | MCHBAR8(0x400*ch + 0x292) = 0xf2; |
| 2133 | MCHBAR8(0x400*ch + 0x271) = (MCHBAR8(0x400*ch + 0x271) & ~0xe) | 0xe; |
| 2134 | } |
| 2135 | MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x8; |
| 2136 | MCHBAR8(0x2c3) = MCHBAR8(0x2c3) | 0x40; |
| 2137 | MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x4; |
| 2138 | |
| 2139 | printk(BIOS_DEBUG, "Done post-jedec\n"); |
| 2140 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2141 | // Set DDR init complete |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2142 | FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| 2143 | MCHBAR32(0x400*ch + 0x268) = (MCHBAR32(0x400*ch + 0x268) & ~0xc0000000) | 0xc0000000; |
| 2144 | } |
| 2145 | |
| 2146 | // Receive enable |
Arthur Heymans | adc571a | 2017-09-25 09:40:54 +0200 | [diff] [blame] | 2147 | sdram_program_receive_enable(s, fast_boot); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2148 | printk(BIOS_DEBUG, "Done rcven\n"); |
| 2149 | |
| 2150 | // Finish rcven |
| 2151 | FOR_EACH_CHANNEL(ch) { |
| 2152 | MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) & ~0xe; |
| 2153 | MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x2; |
| 2154 | MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x4; |
| 2155 | MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x8; |
| 2156 | } |
| 2157 | MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80; |
| 2158 | MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80; |
| 2159 | MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80; |
| 2160 | |
| 2161 | // Dummy writes / reads |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2162 | if (s->boot_path == BOOT_PATH_NORMAL) { |
| 2163 | volatile u32 data; |
| 2164 | FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| 2165 | for (bank = 0; bank < 4; bank++) { |
Arthur Heymans | 1994e448 | 2017-11-04 07:52:23 +0100 | [diff] [blame] | 2166 | reg32 = test_address(ch, r) | |
Arthur Heymans | 97e13d8 | 2016-11-30 18:40:38 +0100 | [diff] [blame] | 2167 | (bank << 12); |
| 2168 | write32((u32 *)reg32, 0xffffffff); |
| 2169 | data = read32((u32 *)reg32); |
| 2170 | printk(BIOS_DEBUG, "Wrote ones,"); |
| 2171 | printk(BIOS_DEBUG, " Read: [0x%08x]=0x%08x\n", |
| 2172 | reg32, data); |
| 2173 | write32((u32 *)reg32, 0x00000000); |
| 2174 | data = read32((u32 *)reg32); |
| 2175 | printk(BIOS_DEBUG, "Wrote zeros,"); |
| 2176 | printk(BIOS_DEBUG, " Read: [0x%08x]=0x%08x\n", |
| 2177 | reg32, data); |
| 2178 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2179 | } |
| 2180 | } |
| 2181 | printk(BIOS_DEBUG, "Done dummy reads\n"); |
| 2182 | |
| 2183 | // XXX tRD |
| 2184 | |
Arthur Heymans | 95c48cb | 2017-11-04 08:07:06 +0100 | [diff] [blame] | 2185 | if (!fast_boot) { |
| 2186 | if (s->selected_timings.mem_clk > MEM_CLOCK_667MHz) { |
| 2187 | if(do_write_training(s)) |
| 2188 | die("DQ write training failed!"); |
| 2189 | } |
| 2190 | if (do_read_training(s)) |
| 2191 | die("DQS read training failed!"); |
| 2192 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2193 | |
| 2194 | // DRADRB |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2195 | set_dradrb(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2196 | printk(BIOS_DEBUG, "Done DRADRB\n"); |
| 2197 | |
| 2198 | // Memory map |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2199 | configure_mmap(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2200 | printk(BIOS_DEBUG, "Done memory map\n"); |
| 2201 | |
| 2202 | // Enhanced mode |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2203 | set_enhanced_mode(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2204 | printk(BIOS_DEBUG, "Done enhanced mode\n"); |
| 2205 | |
| 2206 | // Periodic RCOMP |
| 2207 | MCHBAR16(0x160) = (MCHBAR16(0x160) & ~0xfff) | 0x999; |
| 2208 | MCHBAR16(0x1b4) = MCHBAR16(0x1b4) | 0x3000; |
| 2209 | MCHBAR8(0x130) = MCHBAR8(0x130) | 0x82; |
| 2210 | printk(BIOS_DEBUG, "Done PRCOMP\n"); |
| 2211 | |
| 2212 | // Power settings |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2213 | power_settings(s); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2214 | printk(BIOS_DEBUG, "Done power settings\n"); |
| 2215 | |
| 2216 | // ME related |
Arthur Heymans | ddc8828 | 2017-02-27 16:27:21 +0100 | [diff] [blame] | 2217 | /* |
| 2218 | * FIXME: This locks some registers like bit1 of GGC |
| 2219 | * and is only needed in case of ME being used. |
| 2220 | */ |
| 2221 | if (ME_UMA_SIZEMB != 0) { |
| 2222 | if (RANK_IS_POPULATED(s->dimms, 0, 0) |
| 2223 | || RANK_IS_POPULATED(s->dimms, 1, 0)) |
| 2224 | MCHBAR8(0xa2f) = MCHBAR8(0xa2f) | (1 << 0); |
| 2225 | if (RANK_IS_POPULATED(s->dimms, 0, 1) |
| 2226 | || RANK_IS_POPULATED(s->dimms, 1, 1)) |
| 2227 | MCHBAR8(0xa2f) = MCHBAR8(0xa2f) | (1 << 1); |
| 2228 | MCHBAR32(0xa30) = MCHBAR32(0xa30) | (1 << 26); |
Damien Zammit | d63115d | 2016-01-22 19:11:44 +1100 | [diff] [blame] | 2229 | } |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2230 | |
Arthur Heymans | a2cc231 | 2017-05-15 10:13:36 +0200 | [diff] [blame] | 2231 | printk(BIOS_DEBUG, "Done raminit\n"); |
Damien Zammit | 4b513a6 | 2015-08-20 00:37:05 +1000 | [diff] [blame] | 2232 | } |