src/mainboard/amd/serengeti_cheetah/acpi_tables.c

   1 /*
   2  * Island Aruma ACPI support
   3  * written by Stefan Reinauer <stepan@openbios.org>
   4  *  (C) 2005 Stefan Reinauer
   5  *
   6  *
   7  *  Copyright 2005 AMD
   8  *  2005.9 yhlu modify that to more dynamic for AMD Opteron Based MB
   9  */
  10
  11 #include <console/console.h>
  12 #include <string.h>
  13 #include <arch/acpi.h>
  14 #include <device/pci.h>
  15 #include <device/pci_ids.h>
  16 #include <cpu/x86/msr.h>
  17 #include <cpu/amd/mtrr.h>
  18 #include <cpu/amd/amdk8_sysconf.h>
  19 #include <../../../northbridge/amd/amdk8/amdk8_acpi.h>
  20
  21 #include "mb_sysconf.h"
  22
  23 #define DUMP_ACPI_TABLES 0
  24
  25 #if DUMP_ACPI_TABLES == 1
  26 static void dump_mem(u32 start, u32 end)
  27 {
  28
  29         u32 i;
  30         print_debug("dump_mem:");
  31         for(i=start;i<end;i++) {
  32                 if((i & 0xf)==0) {
  33                         printk(BIOS_DEBUG, "\n%08x:", i);
  34                 }
  35                 printk(BIOS_DEBUG, " %02x", (unsigned char)*((unsigned char *)i));
  36         }
  37         print_debug("\n");
  38 }
  39 #endif
  40
  41 extern const acpi_header_t AmlCode;
  42 #if CONFIG_ACPI_SSDTX_NUM >= 1
  43 extern const acpi_header_t AmlCode_ssdt2;
  44 extern const acpi_header_t AmlCode_ssdt3;
  45 extern const acpi_header_t AmlCode_ssdt4;
  46 #endif
  47
  48 #define IO_APIC_ADDR    0xfec00000UL
  49
  50 unsigned long acpi_fill_mcfg(unsigned long current)
  51 {
  52         /* Just a dummy */
  53         return current;
  54 }
  55
  56 unsigned long acpi_fill_madt(unsigned long current)
  57 {
  58         u32 gsi_base=0x18;
  59
  60         struct mb_sysconf_t *m;
  61
  62         m = sysconf.mb;
  63
  64         /* create all subtables for processors */
  65         current = acpi_create_madt_lapics(current);
  66
  67         /* Write 8111 IOAPIC */
  68         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
  69                         IO_APIC_ADDR, 0);
  70
  71         /* Write all 8131 IOAPICs */
  72         {
  73                 device_t dev;
  74                 struct resource *res;
  75                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
  76                 if (dev) {
  77                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  78                         if (res) {
  79                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
  80                                         res->base, gsi_base );
  81                                 gsi_base+=7;
  82
  83                         }
  84                 }
  85                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
  86                 if (dev) {
  87                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  88                         if (res) {
  89                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
  90                                         res->base, gsi_base );
  91                                 gsi_base+=7;
  92                         }
  93                 }
  94
  95                 int i;
  96                 int j = 0;
  97
  98                 for(i=1; i< sysconf.hc_possible_num; i++) {
  99                         u32 d = 0;
 100                         if(!(sysconf.pci1234[i] & 0x1) ) continue;
 101                         // 8131 need to use +4
 102                         switch (sysconf.hcid[i]) {
 103                         case 1:
 104                                 d = 7;
 105                                 break;
 106                         case 3:
 107                                 d = 4;
 108                                 break;
 109                         }
 110                         switch (sysconf.hcid[i]) {
 111                         case 1:
 112                         case 3:
 113                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
 114                                 if (dev) {
 115                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 116                                         if (res) {
 117                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
 118                                                         res->base, gsi_base );
 119                                                 gsi_base+=d;
 120                                         }
 121                                 }
 122                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
 123                                 if (dev) {
 124                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 125                                         if (res) {
 126                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
 127                                                         res->base, gsi_base );
 128                                                 gsi_base+=d;
 129
 130                                         }
 131                                 }
 132                                 break;
 133                         }
 134                         j++;
 135                 }
 136         }
 137
 138         current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
 139                         current, 0, 0, 2, 5 );
 140                 /* 0: mean bus 0--->ISA */
 141                 /* 0: PIC 0 */
 142                 /* 2: APIC 2 */
 143                 /* 5 mean: 0101 --> Edige-triggered, Active high*/
 144
 145
 146                 /* create all subtables for processors */
 147         current = acpi_create_madt_lapic_nmis(current, 5, 1);
 148                 /* 1: LINT1 connect to NMI */
 149
 150         return current;
 151 }
 152
 153
 154
 155 static void update_ssdtx(void *ssdtx, int i)
 156 {
 157         u8 *PCI;
 158         u8 *HCIN;
 159         u8 *UID;
 160
 161         PCI = ssdtx + 0x32;
 162         HCIN = ssdtx + 0x39;
 163         UID = ssdtx + 0x40;
 164
 165         if(i<7) {
 166                 *PCI  = (u8) ('4' + i - 1);
 167         }
 168         else {
 169                 *PCI  = (u8) ('A' + i - 1 - 6);
 170         }
 171         *HCIN = (u8) i;
 172         *UID  = (u8) (i+3);
 173
 174         /* FIXME: need to update the GSI id in the ssdtx too */
 175
 176 }
 177
 178 unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) {
 179         k8acpi_write_vars();
 180         return (unsigned long) (acpigen_get_current());
 181 }
 182
 183 unsigned long write_acpi_tables(unsigned long start)
 184 {
 185         unsigned long current;
 186         acpi_rsdp_t *rsdp;
 187         acpi_rsdt_t *rsdt;
 188         acpi_hpet_t *hpet;
 189         acpi_madt_t *madt;
 190         acpi_srat_t *srat;
 191         acpi_slit_t *slit;
 192         acpi_fadt_t *fadt;
 193         acpi_facs_t *facs;
 194         acpi_header_t *dsdt;
 195         acpi_header_t *ssdt;
 196         acpi_header_t *ssdtx;
 197         acpi_header_t const *p;
 198
 199         int i;
 200
 201         get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
 202
 203         /* Align ACPI tables to 16 bytes */
 204         start = ( start + 0x0f) & -0x10;
 205         current = start;
 206
 207         printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
 208
 209         /* We need at least an RSDP and an RSDT Table */
 210         rsdp = (acpi_rsdp_t *) current;
 211         current += sizeof(acpi_rsdp_t);
 212         rsdt = (acpi_rsdt_t *) current;
 213         current += sizeof(acpi_rsdt_t);
 214
 215         /* clear all table memory */
 216         memset((void *)start, 0, current - start);
 217
 218         acpi_write_rsdp(rsdp, rsdt, NULL);
 219         acpi_write_rsdt(rsdt);
 220
 221         /*
 222          * We explicitly add these tables later on:
 223          */
 224         printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
 225         hpet = (acpi_hpet_t *) current;
 226         current += sizeof(acpi_hpet_t);
 227         acpi_create_hpet(hpet);
 228         acpi_add_table(rsdp, hpet);
 229
 230         /* If we want to use HPET Timers Linux wants an MADT */
 231         printk(BIOS_DEBUG, "ACPI:    * MADT at %lx\n", current);
 232         madt = (acpi_madt_t *) current;
 233         acpi_create_madt(madt);
 234         current+=madt->header.length;
 235         acpi_add_table(rsdp, madt);
 236
 237         /* SRAT */
 238         printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
 239         srat = (acpi_srat_t *) current;
 240         acpi_create_srat(srat);
 241         current+=srat->header.length;
 242         acpi_add_table(rsdp, srat);
 243
 244         /* SLIT */
 245         printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
 246         slit = (acpi_slit_t *) current;
 247         acpi_create_slit(slit);
 248         current+=slit->header.length;
 249         acpi_add_table(rsdp, slit);
 250
 251         /* SSDT */
 252         printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
 253         ssdt = (acpi_header_t *)current;
 254
 255         acpi_create_ssdt_generator(ssdt, "DYNADATA");
 256         current += ssdt->length;
 257         acpi_add_table(rsdp, ssdt);
 258
 259 #if CONFIG_ACPI_SSDTX_NUM >= 1
 260
 261         //same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
 262
 263         for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
 264                 if((sysconf.pci1234[i] & 1) != 1 ) continue;
 265                 u8 c;
 266                 if(i<7) {
 267                         c  = (u8) ('4' + i - 1);
 268                 }
 269                 else {
 270                         c  = (u8) ('A' + i - 1 - 6);
 271                 }
 272                 current = ( current + 0x07) & -0x08;
 273                 printk(BIOS_DEBUG, "ACPI:    * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
 274                 ssdtx = (acpi_header_t *)current;
 275                 switch(sysconf.hcid[i]) {
 276                 case 1: //8132
 277                         p = &AmlCode_ssdt2;
 278                         break;
 279                 case 2: //8151
 280                         p = &AmlCode_ssdt3;
 281                         break;
 282                 case 3: //8131
 283                         p = &AmlCode_ssdt4;
 284                         break;
 285                 default:
 286                         continue;
 287                 }
 288                 current += p->length;
 289                 memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
 290                 update_ssdtx((void *)ssdtx, i);
 291                 ssdtx->checksum = 0;
 292                 ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
 293                 acpi_add_table(rsdp, ssdtx);
 294         }
 295 #endif
 296
 297         /* FACS */
 298         printk(BIOS_DEBUG, "ACPI:    * FACS\n");
 299         facs = (acpi_facs_t *) current;
 300         current += sizeof(acpi_facs_t);
 301         acpi_create_facs(facs);
 302
 303         /* DSDT */
 304         printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
 305         dsdt = (acpi_header_t *)current;
 306         current += AmlCode.length;
 307         memcpy((void *)dsdt, &AmlCode, AmlCode.length);
 308         printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n", dsdt, dsdt->length);
 309
 310         /* FDAT */
 311         printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
 312         fadt = (acpi_fadt_t *) current;
 313         current += sizeof(acpi_fadt_t);
 314
 315         acpi_create_fadt(fadt, facs, dsdt);
 316         acpi_add_table(rsdp, fadt);
 317
 318 #if DUMP_ACPI_TABLES == 1
 319         printk(BIOS_DEBUG, "rsdp\n");
 320         dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
 321
 322         printk(BIOS_DEBUG, "rsdt\n");
 323         dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
 324
 325         printk(BIOS_DEBUG, "madt\n");
 326         dump_mem(madt, ((void *)madt) + madt->header.length);
 327
 328         printk(BIOS_DEBUG, "srat\n");
 329         dump_mem(srat, ((void *)srat) + srat->header.length);
 330
 331         printk(BIOS_DEBUG, "slit\n");
 332         dump_mem(slit, ((void *)slit) + slit->header.length);
 333
 334         printk(BIOS_DEBUG, "ssdt\n");
 335         dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
 336
 337         printk(BIOS_DEBUG, "fadt\n");
 338         dump_mem(fadt, ((void *)fadt) + fadt->header.length);
 339 #endif
 340
 341         printk(BIOS_INFO, "ACPI: done.\n");
 342         return current;
 343 }
 344