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