Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2012 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Paul Menzel | a46a712 | 2013-02-23 18:37:27 +0100 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #include <console/console.h> |
| 21 | #include <string.h> |
| 22 | #include <arch/acpi.h> |
| 23 | #include <arch/acpigen.h> |
| 24 | #include <arch/ioapic.h> |
| 25 | #include <arch/io.h> |
| 26 | #include <device/pci.h> |
| 27 | #include <device/pci_ids.h> |
| 28 | #include <cpu/x86/msr.h> |
| 29 | #include <cpu/amd/mtrr.h> |
| 30 | |
| 31 | #include "agesawrapper.h" |
Bruce Griffith | 93b57c5 | 2013-06-25 19:27:17 -0600 | [diff] [blame] | 32 | #include <cpu/amd/amdfam15.h> |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 33 | |
| 34 | #define DUMP_ACPI_TABLES 0 |
| 35 | |
| 36 | #if DUMP_ACPI_TABLES == 1 |
| 37 | static void dump_mem(u32 start, u32 end) |
| 38 | { |
| 39 | |
| 40 | u32 i; |
| 41 | print_debug("dump_mem:"); |
| 42 | for (i = start; i < end; i++) { |
| 43 | if ((i & 0xf) == 0) { |
| 44 | printk(BIOS_DEBUG, "\n%08x:", i); |
| 45 | } |
| 46 | printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i)); |
| 47 | } |
| 48 | print_debug("\n"); |
| 49 | } |
| 50 | #endif |
| 51 | |
| 52 | extern const unsigned char AmlCode[]; |
| 53 | |
| 54 | |
| 55 | unsigned long acpi_fill_mcfg(unsigned long current) |
| 56 | { |
| 57 | /* Just a dummy */ |
| 58 | return current; |
| 59 | } |
| 60 | |
| 61 | unsigned long acpi_fill_madt(unsigned long current) |
| 62 | { |
| 63 | device_t dev; |
| 64 | u32 dword; |
| 65 | u32 gsi_base = 0; |
| 66 | u32 apicid_sb700; |
| 67 | u32 apicid_rd890; |
| 68 | |
| 69 | /* |
| 70 | * AGESA v5 Apply apic enumeration rules |
| 71 | * For systems with >= 16 APICs, put the IO-APICs at 0..n and |
| 72 | * put the local-APICs at m..z |
| 73 | * For systems with < 16 APICs, put the Local-APICs at 0..n and |
| 74 | * put the IO-APICs at (n + 1)..z |
| 75 | */ |
Kyösti Mälkki | a6c525a | 2014-04-16 09:43:40 +0300 | [diff] [blame^] | 76 | if (CONFIG_MAX_CPUS >= 16) |
| 77 | apicid_sb700 = 0x0; |
| 78 | else |
| 79 | apicid_sb700 = CONFIG_MAX_CPUS + 1; |
| 80 | apicid_rd890 = apicid_sb700 + 1; |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 81 | |
| 82 | /* create all subtables for processors */ |
| 83 | current = acpi_create_madt_lapics(current); |
| 84 | |
| 85 | /* Write sb700 IOAPIC, only one */ |
| 86 | current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 87 | apicid_sb700, |
| 88 | IO_APIC_ADDR, |
| 89 | 0 |
| 90 | ); |
| 91 | |
| 92 | /* IOAPIC on rs5690 */ |
| 93 | gsi_base += IO_APIC_INTERRUPTS; /* sb700 has 24 IOAPIC entries. */ |
| 94 | dev = dev_find_slot(0, PCI_DEVFN(0, 0)); |
| 95 | if (dev) { |
| 96 | pci_write_config32(dev, 0xF8, 0x1); |
| 97 | dword = pci_read_config32(dev, 0xFC) & 0xfffffff0; |
| 98 | current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 99 | apicid_rd890, |
| 100 | dword, |
| 101 | gsi_base |
| 102 | ); |
| 103 | } |
| 104 | |
| 105 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, |
| 106 | 0, //BUS |
| 107 | 0, //SOURCE |
| 108 | 2, //gsirq |
| 109 | 0 //flags |
| 110 | ); |
| 111 | |
| 112 | /* 0: mean bus 0--->ISA */ |
| 113 | /* 0: PIC 0 */ |
| 114 | /* 2: APIC 2 */ |
| 115 | /* 5 mean: 0101 --> Edige-triggered, Active high */ |
| 116 | |
| 117 | /* create all subtables for processors */ |
| 118 | current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 0, 5, 1); |
| 119 | current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 1, 5, 1); |
| 120 | /* 1: LINT1 connect to NMI */ |
| 121 | |
| 122 | return current; |
| 123 | } |
| 124 | |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 125 | unsigned long acpi_fill_hest(acpi_hest_t *hest) |
| 126 | { |
| 127 | void *addr, *current; |
| 128 | |
| 129 | /* Skip the HEST header. */ |
| 130 | current = (void *)(hest + 1); |
| 131 | |
| 132 | addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); |
| 133 | if (addr != NULL) |
| 134 | current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); |
| 135 | |
| 136 | addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); |
| 137 | if (addr != NULL) |
| 138 | current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); |
| 139 | |
| 140 | return (unsigned long)current; |
| 141 | } |
| 142 | |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 143 | unsigned long acpi_fill_slit(unsigned long current) |
| 144 | { |
| 145 | // Not implemented |
| 146 | return current; |
| 147 | } |
| 148 | |
| 149 | unsigned long acpi_fill_srat(unsigned long current) |
| 150 | { |
| 151 | /* No NUMA, no SRAT */ |
| 152 | return current; |
| 153 | } |
| 154 | |
| 155 | unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) |
| 156 | { |
| 157 | int lens; |
| 158 | msr_t msr; |
| 159 | char pscope[] = "\\_SB.PCI0"; |
| 160 | |
| 161 | lens = acpigen_write_scope(pscope); |
| 162 | msr = rdmsr(TOP_MEM); |
| 163 | lens += acpigen_write_name_dword("TOM1", msr.lo); |
| 164 | msr = rdmsr(TOP_MEM2); |
| 165 | /* |
| 166 | * Since XP only implements parts of ACPI 2.0, we can't use a qword |
| 167 | * here. |
| 168 | * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt |
| 169 | * slide 22ff. |
| 170 | * Shift value right by 20 bit to make it fit into 32bit, |
| 171 | * giving us 1MB granularity and a limit of almost 4Exabyte of memory. |
| 172 | */ |
| 173 | lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); |
| 174 | acpigen_patch_len(lens - 1); |
| 175 | return (unsigned long) (acpigen_get_current()); |
| 176 | } |
| 177 | |
| 178 | unsigned long write_acpi_tables(unsigned long start) |
| 179 | { |
| 180 | unsigned long current; |
| 181 | acpi_rsdp_t *rsdp; |
| 182 | acpi_rsdt_t *rsdt; |
| 183 | //acpi_hpet_t *hpet; |
| 184 | acpi_madt_t *madt; |
| 185 | acpi_srat_t *srat; |
| 186 | acpi_slit_t *slit; |
| 187 | acpi_fadt_t *fadt; |
| 188 | acpi_facs_t *facs; |
| 189 | acpi_header_t *dsdt; |
| 190 | acpi_header_t *ssdt; |
| 191 | acpi_header_t *ssdt2; |
| 192 | acpi_header_t *alib; |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 193 | acpi_hest_t *hest; |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 194 | |
| 195 | get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ |
| 196 | |
| 197 | /* Align ACPI tables to 16 bytes */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 198 | start = ALIGN(start, 16); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 199 | current = start; |
| 200 | |
| 201 | printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); |
| 202 | |
| 203 | /* We need at least an RSDP and an RSDT Table */ |
| 204 | rsdp = (acpi_rsdp_t *) current; |
| 205 | current += sizeof(acpi_rsdp_t); |
| 206 | rsdt = (acpi_rsdt_t *) current; |
| 207 | current += sizeof(acpi_rsdt_t); |
| 208 | |
| 209 | /* clear all table memory */ |
| 210 | memset((void *)start, 0, current - start); |
| 211 | |
| 212 | acpi_write_rsdp(rsdp, rsdt, NULL); |
| 213 | acpi_write_rsdt(rsdt); |
| 214 | |
| 215 | /* FACS */ |
| 216 | printk(BIOS_DEBUG, "ACPI: * FACS\n"); |
| 217 | facs = (acpi_facs_t *) current; |
| 218 | current += sizeof(acpi_facs_t); |
| 219 | acpi_create_facs(facs); |
| 220 | |
| 221 | /* DSDT */ |
| 222 | printk(BIOS_DEBUG, "ACPI: * DSDT\n"); |
| 223 | dsdt = (acpi_header_t *)current; |
| 224 | memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); |
| 225 | current += dsdt->length; |
| 226 | memcpy(dsdt, &AmlCode, dsdt->length); |
| 227 | printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, dsdt->length); |
| 228 | /* FADT */ |
| 229 | printk(BIOS_DEBUG, "ACPI: * FADT\n"); |
| 230 | fadt = (acpi_fadt_t *) current; |
| 231 | current += sizeof(acpi_fadt_t); |
| 232 | |
| 233 | acpi_create_fadt(fadt, facs, dsdt); |
| 234 | acpi_add_table(rsdp, fadt); |
| 235 | |
| 236 | /* |
| 237 | * We explicitly add these tables later on: |
| 238 | */ |
| 239 | #ifdef UNUSED_CODE // Don't need HPET table. we have one in dsdt |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 240 | current = ALIGN(current, 8); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 241 | printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); |
| 242 | hpet = (acpi_hpet_t *) current; |
| 243 | current += sizeof(acpi_hpet_t); |
| 244 | acpi_create_hpet(hpet); |
| 245 | acpi_add_table(rsdp, hpet); |
| 246 | #endif |
| 247 | |
| 248 | /* If we want to use HPET Timers Linux wants an MADT */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 249 | current = ALIGN(current, 8); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 250 | printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); |
| 251 | madt = (acpi_madt_t *) current; |
| 252 | acpi_create_madt(madt); |
| 253 | current += madt->header.length; |
| 254 | acpi_add_table(rsdp, madt); |
| 255 | |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 256 | /* HEST */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 257 | current = ALIGN(current, 8); |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 258 | hest = (acpi_hest_t *)current; |
| 259 | acpi_write_hest((void *)current); |
| 260 | acpi_add_table(rsdp, (void *)current); |
| 261 | current += ((acpi_header_t *)current)->length; |
| 262 | |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 263 | /* SRAT */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 264 | current = ALIGN(current, 8); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 265 | printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); |
| 266 | srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); |
| 267 | if (srat != NULL) { |
| 268 | memcpy((void *)current, srat, srat->header.length); |
| 269 | srat = (acpi_srat_t *) current; |
| 270 | //acpi_create_srat(srat); |
| 271 | current += srat->header.length; |
| 272 | acpi_add_table(rsdp, srat); |
| 273 | } |
| 274 | |
| 275 | /* SLIT */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 276 | current = ALIGN(current, 8); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 277 | printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); |
| 278 | slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); |
| 279 | if (slit != NULL) { |
| 280 | memcpy((void *)current, slit, slit->header.length); |
| 281 | slit = (acpi_slit_t *) current; |
| 282 | //acpi_create_slit(slit); |
| 283 | current += slit->header.length; |
| 284 | acpi_add_table(rsdp, slit); |
| 285 | } |
| 286 | |
| 287 | /* SSDT */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 288 | current = ALIGN(current, 16); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 289 | printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current); |
| 290 | alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB); |
| 291 | if (alib != NULL) { |
| 292 | memcpy((void *)current, alib, alib->length); |
zbao | 2132005 | 2012-04-13 13:48:50 +0800 | [diff] [blame] | 293 | alib = (acpi_header_t *) current; |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 294 | current += alib->length; |
zbao | 2132005 | 2012-04-13 13:48:50 +0800 | [diff] [blame] | 295 | acpi_add_table(rsdp, (void *)alib); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 296 | } else { |
| 297 | printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n"); |
| 298 | } |
| 299 | |
zbao | 585a400 | 2012-04-12 11:27:26 +0800 | [diff] [blame] | 300 | /* The DSDT needs additional work for the AGESA SSDT Pstate table */ |
| 301 | /* Keep the comment for a while. */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 302 | current = ALIGN(current, 16); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 303 | printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); |
| 304 | ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); |
| 305 | if (ssdt != NULL) { |
| 306 | memcpy((void *)current, ssdt, ssdt->length); |
| 307 | ssdt = (acpi_header_t *) current; |
| 308 | current += ssdt->length; |
zbao | 585a400 | 2012-04-12 11:27:26 +0800 | [diff] [blame] | 309 | acpi_add_table(rsdp,ssdt); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 310 | } else { |
zbao | 585a400 | 2012-04-12 11:27:26 +0800 | [diff] [blame] | 311 | printk(BIOS_DEBUG, " AGESA SSDT Pstate table NULL. Skipping.\n"); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 312 | } |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 313 | |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 314 | current = ALIGN(current, 16); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 315 | printk(BIOS_DEBUG, "ACPI: * coreboot TOM SSDT2 at %lx\n", current); |
| 316 | ssdt2 = (acpi_header_t *) current; |
| 317 | acpi_create_ssdt_generator(ssdt2, ACPI_TABLE_CREATOR); |
| 318 | current += ssdt2->length; |
| 319 | acpi_add_table(rsdp,ssdt2); |
| 320 | |
| 321 | #if DUMP_ACPI_TABLES == 1 |
| 322 | printk(BIOS_DEBUG, "rsdp\n"); |
| 323 | dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t)); |
| 324 | |
| 325 | printk(BIOS_DEBUG, "rsdt\n"); |
| 326 | dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t)); |
| 327 | |
| 328 | printk(BIOS_DEBUG, "madt\n"); |
| 329 | dump_mem(madt, ((void *)madt) + madt->header.length); |
| 330 | |
| 331 | printk(BIOS_DEBUG, "srat\n"); |
| 332 | dump_mem(srat, ((void *)srat) + srat->header.length); |
| 333 | |
| 334 | printk(BIOS_DEBUG, "slit\n"); |
| 335 | dump_mem(slit, ((void *)slit) + slit->header.length); |
| 336 | |
| 337 | printk(BIOS_DEBUG, "ssdt\n"); |
| 338 | dump_mem(ssdt, ((void *)ssdt) + ssdt->length); |
| 339 | |
| 340 | printk(BIOS_DEBUG, "fadt\n"); |
| 341 | dump_mem(fadt, ((void *)fadt) + fadt->header.length); |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 342 | |
| 343 | printk(BIOS_DEBUG, "hest\n"); |
| 344 | dump_mem(hest, ((void *)hest) + hest->header.length); |
Kerry Sheh | 6d6d18e | 2012-02-07 20:32:34 +0800 | [diff] [blame] | 345 | #endif |
| 346 | |
| 347 | printk(BIOS_INFO, "ACPI: done.\n"); |
| 348 | return current; |
| 349 | } |