Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | * LinuxBIOS ACPI Table support |
| 3 | * written by Stefan Reinauer <stepan@openbios.org> |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 4 | * (C) 2004 SUSE LINUX AG |
| 5 | * (C) 2005 Stefan Reinauer |
| 6 | * |
| 7 | * ACPI FADT, FACS, and DSDT table support added by |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 8 | * Nick Barker <nick.barker9@btinternet.com>, and those portions |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 9 | * (C) Copyright 2004 Nick Barker |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame^] | 10 | * |
| 11 | * Copyright 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
| 12 | * 2005.9 yhlu add SRAT relate |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * Each system port implementing ACPI has to provide two functions: |
| 17 | * |
| 18 | * write_acpi_tables() |
| 19 | * acpi_dump_apics() |
| 20 | * |
Stefan Reinauer | e30042d | 2005-02-08 09:11:40 +0000 | [diff] [blame] | 21 | * See AMD Solo, Island Aruma or Via Epia-M port for more details. |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 22 | */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 23 | |
| 24 | #include <console/console.h> |
| 25 | #include <string.h> |
| 26 | #include <arch/acpi.h> |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 27 | #include <device/pci.h> |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 28 | |
| 29 | u8 acpi_checksum(u8 *table, u32 length) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 30 | { |
| 31 | u8 ret=0; |
| 32 | while (length--) { |
| 33 | ret += *table; |
| 34 | table++; |
| 35 | } |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 36 | return -ret; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 37 | } |
| 38 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 39 | /* |
| 40 | * add an acpi table to rsdt structure, and recalculate checksum |
| 41 | */ |
| 42 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 43 | void acpi_add_table(acpi_rsdt_t *rsdt, void *table) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 44 | { |
| 45 | int i; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame^] | 46 | |
| 47 | int entries_num = sizeof(rsdt->entry)/sizeof(rsdt->entry[0]); |
| 48 | |
| 49 | for (i=0; i<entries_num; i++) { |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 50 | if(rsdt->entry[i]==0) { |
| 51 | rsdt->entry[i]=(u32)table; |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 52 | /* fix length to stop kernel winging about invalid entries */ |
| 53 | rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i+1)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 54 | /* fix checksum */ |
| 55 | /* hope this won't get optimized away */ |
| 56 | rsdt->header.checksum=0; |
| 57 | rsdt->header.checksum=acpi_checksum((u8 *)rsdt, |
| 58 | rsdt->header.length); |
| 59 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame^] | 60 | printk_debug("ACPI: added table %d/%d Length now %d\n",i+1, entries_num, rsdt->header.length); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 61 | return; |
| 62 | } |
| 63 | } |
| 64 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 65 | printk_warning("ACPI: could not add ACPI table to RSDT. failed.\n"); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 66 | } |
| 67 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 68 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 69 | int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 70 | { |
| 71 | lapic->type=0; |
| 72 | lapic->length=sizeof(acpi_madt_lapic_t); |
| 73 | lapic->flags=1; |
| 74 | |
| 75 | lapic->processor_id=cpu; |
| 76 | lapic->apic_id=apic; |
| 77 | |
| 78 | return(lapic->length); |
| 79 | } |
| 80 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 81 | int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 82 | { |
| 83 | ioapic->type=1; |
| 84 | ioapic->length=sizeof(acpi_madt_ioapic_t); |
| 85 | ioapic->reserved=0x00; |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 86 | ioapic->gsi_base=gsi_base; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 87 | |
| 88 | ioapic->ioapic_id=id; |
| 89 | ioapic->ioapic_addr=addr; |
| 90 | |
| 91 | return(ioapic->length); |
| 92 | } |
| 93 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 94 | int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 95 | u8 bus, u8 source, u32 gsirq, u16 flags) |
| 96 | { |
| 97 | irqoverride->type=2; |
| 98 | irqoverride->length=sizeof(acpi_madt_irqoverride_t); |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 99 | irqoverride->bus=bus; |
| 100 | irqoverride->source=source; |
| 101 | irqoverride->gsirq=gsirq; |
| 102 | irqoverride->flags=flags; |
| 103 | |
| 104 | return(irqoverride->length); |
| 105 | } |
| 106 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 107 | int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 108 | u16 flags, u8 lint) |
| 109 | { |
| 110 | lapic_nmi->type=4; |
| 111 | lapic_nmi->length=sizeof(acpi_madt_lapic_nmi_t); |
| 112 | |
| 113 | lapic_nmi->flags=flags; |
| 114 | lapic_nmi->processor_id=cpu; |
| 115 | lapic_nmi->lint=lint; |
| 116 | |
| 117 | return(lapic_nmi->length); |
| 118 | } |
| 119 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 120 | void acpi_create_madt(acpi_madt_t *madt) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 121 | { |
| 122 | #define LOCAL_APIC_ADDR 0xfee00000ULL |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 123 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 124 | acpi_header_t *header=&(madt->header); |
| 125 | unsigned long current=(unsigned long)madt+sizeof(acpi_madt_t); |
| 126 | |
| 127 | memset((void *)madt, 0, sizeof(acpi_madt_t)); |
| 128 | |
| 129 | /* fill out header fields */ |
| 130 | memcpy(header->signature, MADT_NAME, 4); |
| 131 | memcpy(header->oem_id, OEM_ID, 6); |
| 132 | memcpy(header->oem_table_id, MADT_TABLE, 8); |
| 133 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 134 | |
| 135 | header->length = sizeof(acpi_madt_t); |
| 136 | header->revision = 1; |
| 137 | |
| 138 | madt->lapic_addr= LOCAL_APIC_ADDR; |
| 139 | madt->flags = 0x1; /* PCAT_COMPAT */ |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 140 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame^] | 141 | current = acpi_fill_madt(current); |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 142 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 143 | /* recalculate length */ |
| 144 | header->length= current - (unsigned long)madt; |
| 145 | |
| 146 | header->checksum = acpi_checksum((void *)madt, header->length); |
| 147 | } |
| 148 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame^] | 149 | int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic) |
| 150 | { |
| 151 | lapic->type=0; |
| 152 | lapic->length=sizeof(acpi_srat_lapic_t); |
| 153 | lapic->flags=1; |
| 154 | |
| 155 | lapic->proximity_domain_7_0 = node; |
| 156 | lapic->apic_id=apic; |
| 157 | |
| 158 | return(lapic->length); |
| 159 | } |
| 160 | |
| 161 | int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek,u32 sizek, u32 flags) |
| 162 | { |
| 163 | mem->type=1; |
| 164 | mem->length=sizeof(acpi_srat_mem_t); |
| 165 | |
| 166 | mem->base_address_low = (basek<<10); |
| 167 | mem->base_address_high = (basek>>(32-10)); |
| 168 | |
| 169 | mem->length_low = (sizek<<10); |
| 170 | mem->length_high = (sizek>>(32-10)); |
| 171 | |
| 172 | mem->proximity_domain = node; |
| 173 | |
| 174 | mem->flags = flags; |
| 175 | |
| 176 | return(mem->length); |
| 177 | } |
| 178 | |
| 179 | void acpi_create_srat(acpi_srat_t *srat) |
| 180 | { |
| 181 | |
| 182 | acpi_header_t *header=&(srat->header); |
| 183 | unsigned long current=(unsigned long)srat+sizeof(acpi_srat_t); |
| 184 | |
| 185 | memset((void *)srat, 0, sizeof(acpi_srat_t)); |
| 186 | |
| 187 | /* fill out header fields */ |
| 188 | memcpy(header->signature, SRAT_NAME, 4); |
| 189 | memcpy(header->oem_id, OEM_ID, 6); |
| 190 | memcpy(header->oem_table_id, SRAT_TABLE, 8); |
| 191 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 192 | |
| 193 | header->length = sizeof(acpi_srat_t); |
| 194 | header->revision = 1; |
| 195 | |
| 196 | srat->resv = 0x1; /* BACK COMP */ |
| 197 | |
| 198 | current = acpi_fill_srat(current); |
| 199 | |
| 200 | /* recalculate length */ |
| 201 | header->length= current - (unsigned long)srat; |
| 202 | |
| 203 | header->checksum = acpi_checksum((void *)srat, header->length); |
| 204 | } |
| 205 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 206 | void acpi_create_hpet(acpi_hpet_t *hpet) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 207 | { |
| 208 | #define HPET_ADDR 0xfed00000ULL |
| 209 | acpi_header_t *header=&(hpet->header); |
| 210 | acpi_addr_t *addr=&(hpet->addr); |
| 211 | |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 212 | memset((void *)hpet, 0, sizeof(acpi_hpet_t)); |
| 213 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 214 | /* fill out header fields */ |
| 215 | memcpy(header->signature, HPET_NAME, 4); |
| 216 | memcpy(header->oem_id, OEM_ID, 6); |
| 217 | memcpy(header->oem_table_id, HPET_TABLE, 8); |
| 218 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 219 | |
| 220 | header->length = sizeof(acpi_hpet_t); |
| 221 | header->revision = 1; |
| 222 | |
| 223 | /* fill out HPET address */ |
| 224 | addr->space_id = 0; /* Memory */ |
| 225 | addr->bit_width = 64; |
| 226 | addr->bit_offset = 0; |
| 227 | addr->addrl = HPET_ADDR & 0xffffffff; |
| 228 | addr->addrh = HPET_ADDR >> 32; |
| 229 | |
| 230 | hpet->id = 0x102282a0; /* AMD ? */ |
| 231 | hpet->number = 0; |
| 232 | hpet->min_tick = 4096; |
| 233 | |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 234 | header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 235 | } |
| 236 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 237 | void acpi_create_facs(acpi_facs_t *facs) |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 238 | { |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 239 | memset( (void *)facs,0, sizeof(acpi_facs_t)); |
| 240 | |
| 241 | memcpy(facs->signature,"FACS",4); |
| 242 | facs->length = sizeof(acpi_facs_t); |
| 243 | facs->hardware_signature = 0; |
| 244 | facs->firmware_waking_vector = 0; |
| 245 | facs->global_lock = 0; |
| 246 | facs->flags = 0; |
| 247 | facs->x_firmware_waking_vector_l = 0; |
| 248 | facs->x_firmware_waking_vector_h = 0; |
| 249 | facs->version = 1; |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 250 | } |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 251 | |
| 252 | void acpi_write_rsdt(acpi_rsdt_t *rsdt) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 253 | { |
| 254 | acpi_header_t *header=&(rsdt->header); |
| 255 | |
| 256 | /* fill out header fields */ |
| 257 | memcpy(header->signature, RSDT_NAME, 4); |
| 258 | memcpy(header->oem_id, OEM_ID, 6); |
| 259 | memcpy(header->oem_table_id, RSDT_TABLE, 8); |
| 260 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 261 | |
| 262 | header->length = sizeof(acpi_rsdt_t); |
| 263 | header->revision = 1; |
| 264 | |
| 265 | /* fill out entries */ |
| 266 | |
| 267 | // entries are filled in later, we come with an empty set. |
| 268 | |
| 269 | /* fix checksum */ |
| 270 | |
| 271 | header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); |
| 272 | } |
| 273 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 274 | void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 275 | { |
| 276 | memcpy(rsdp->signature, RSDP_SIG, 8); |
| 277 | memcpy(rsdp->oem_id, OEM_ID, 6); |
| 278 | |
| 279 | rsdp->length = sizeof(acpi_rsdp_t); |
| 280 | rsdp->rsdt_address = (u32)rsdt; |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 281 | rsdp->checksum = acpi_checksum((void *)rsdp, 20); |
| 282 | rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 283 | } |
| 284 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 285 | |