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(unsigned start, unsigned end)
  27 {
  28
  29         unsigned i;
  30         print_debug("dump_mem:");
  31         for(i=start;i<end;i++) {
  32                 if((i & 0xf)==0) {
  33                         printk_debug("\n%08x:", i);
  34                 }
  35                 printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
  36         }
  37         print_debug("\n");
  38  }
  39 #endif
  40
  41 extern unsigned char AmlCode[];
  42 #if ACPI_SSDTX_NUM >= 1
  43 extern unsigned char AmlCode_ssdt2[];
  44 extern unsigned char AmlCode_ssdt3[];
  45 extern unsigned char 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         unsigned int 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                         unsigned d;
 100                         if(!(sysconf.pci1234[i] & 0x1) ) continue;
 101                         // 8131 need to use +4
 102
 103                         switch (sysconf.hcid[i]) {
 104                         case 1:
 105                                 d = 7;
 106                                 break;
 107                         case 3:
 108                                 d = 4;
 109                                 break;
 110                         }
 111                         switch (sysconf.hcid[i]) {
 112                         case 1:
 113                         case 3:
 114                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
 115                                 if (dev) {
 116                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 117                                         if (res) {
 118                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
 119                                                         res->base, gsi_base );
 120                                                 gsi_base+=d;
 121                                         }
 122                                 }
 123                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
 124                                 if (dev) {
 125                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 126                                         if (res) {
 127                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
 128                                                         res->base, gsi_base );
 129                                                 gsi_base+=d;
 130
 131                                         }
 132                                 }
 133                                 break;
 134                         }
 135
 136                         j++;
 137                 }
 138
 139         }
 140
 141         current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
 142                         current, 0, 0, 2, 5 );
 143                 /* 0: mean bus 0--->ISA */
 144                 /* 0: PIC 0 */
 145                 /* 2: APIC 2 */
 146                 /* 5 mean: 0101 --> Edige-triggered, Active high*/
 147
 148
 149                 /* create all subtables for processors */
 150         current = acpi_create_madt_lapic_nmis(current, 5, 1);
 151                 /* 1: LINT1 connect to NMI */
 152
 153
 154         return current;
 155 }
 156
 157 extern void get_bus_conf(void);
 158
 159 void update_ssdtx(void *ssdtx, int i)
 160 {
 161         uint8_t *PCI;
 162         uint8_t *HCIN;
 163         uint8_t *UID;
 164
 165         PCI = ssdtx + 0x32;
 166         HCIN = ssdtx + 0x39;
 167         UID = ssdtx + 0x40;
 168
 169         if(i<7) {
 170                 *PCI  = (uint8_t) ('4' + i - 1);
 171         }
 172         else {
 173                 *PCI  = (uint8_t) ('A' + i - 1 - 6);
 174         }
 175         *HCIN = (uint8_t) i;
 176         *UID  = (uint8_t) (i+3);
 177
 178         /* FIXME: need to update the GSI id in the ssdtx too */
 179
 180 }
 181
 182 unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id) {
 183         k8acpi_write_vars();
 184         return (unsigned long) (acpigen_get_current());
 185 }
 186
 187 unsigned long write_acpi_tables(unsigned long start)
 188 {
 189         unsigned long current;
 190         acpi_rsdp_t *rsdp;
 191         acpi_rsdt_t *rsdt;
 192         acpi_hpet_t *hpet;
 193         acpi_madt_t *madt;
 194         acpi_srat_t *srat;
 195         acpi_slit_t *slit;
 196         acpi_fadt_t *fadt;
 197         acpi_facs_t *facs;
 198         acpi_header_t *dsdt;
 199         acpi_header_t *ssdt;
 200         acpi_header_t *ssdtx;
 201         unsigned char *p;
 202
 203         unsigned char *AmlCode_ssdtx[HC_POSSIBLE_NUM];
 204
 205         int i;
 206
 207         get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
 208
 209         /* Align ACPI tables to 16byte */
 210         start   = ( start + 0x0f ) & -0x10;
 211         current = start;
 212
 213         printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
 214
 215         /* We need at least an RSDP and an RSDT Table */
 216         rsdp = (acpi_rsdp_t *) current;
 217         current += sizeof(acpi_rsdp_t);
 218         rsdt = (acpi_rsdt_t *) current;
 219         current += sizeof(acpi_rsdt_t);
 220
 221         /* clear all table memory */
 222         memset((void *)start, 0, current - start);
 223
 224         acpi_write_rsdp(rsdp, rsdt);
 225         acpi_write_rsdt(rsdt);
 226
 227         /*
 228          * We explicitly add these tables later on:
 229          */
 230         printk_debug("ACPI:    * HPET\n");
 231         hpet = (acpi_hpet_t *) current;
 232         current += sizeof(acpi_hpet_t);
 233         acpi_create_hpet(hpet);
 234         acpi_add_table(rsdt,hpet);
 235
 236         /* If we want to use HPET Timers Linux wants an MADT */
 237         printk_debug("ACPI:    * MADT\n");
 238         madt = (acpi_madt_t *) current;
 239         acpi_create_madt(madt);
 240         current+=madt->header.length;
 241         acpi_add_table(rsdt,madt);
 242
 243
 244         /* SRAT */
 245         printk_debug("ACPI:    * SRAT\n");
 246         srat = (acpi_srat_t *) current;
 247         acpi_create_srat(srat);
 248         current+=srat->header.length;
 249         acpi_add_table(rsdt,srat);
 250
 251         /* SLIT */
 252         printk_debug("ACPI:    * SLIT\n");
 253         slit = (acpi_slit_t *) current;
 254         acpi_create_slit(slit);
 255         current+=slit->header.length;
 256         acpi_add_table(rsdt,slit);
 257
 258         /* SSDT */
 259         printk_debug("ACPI:    * SSDT\n");
 260         ssdt = (acpi_header_t *)current;
 261
 262         acpi_create_ssdt_generator(ssdt, "DYNADATA");
 263         current += ssdt->length;
 264         acpi_add_table(rsdt, ssdt);
 265
 266 #if ACPI_SSDTX_NUM >= 1
 267
 268         //same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
 269
 270         for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
 271                 if((sysconf.pci1234[i] & 1) != 1 ) continue;
 272                 uint8_t c;
 273                 if(i<7) {
 274                         c  = (uint8_t) ('4' + i - 1);
 275                 }
 276                 else {
 277                         c  = (uint8_t) ('A' + i - 1 - 6);
 278                 }
 279                 printk_debug("ACPI:    * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
 280                 current   = ( current + 0x07) & -0x08;
 281                 ssdtx = (acpi_header_t *)current;
 282                 switch(sysconf.hcid[i]) {
 283                 case 1: //8132
 284                         p = AmlCode_ssdt2;
 285                         break;
 286                 case 2: //8151
 287                         p = AmlCode_ssdt3;
 288                         break;
 289                 case 3: //8131
 290                         p = AmlCode_ssdt4;
 291                         break;
 292                 default:
 293                         continue;
 294                 }
 295                 current += ((acpi_header_t *)p)->length;
 296                 memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
 297                 update_ssdtx((void *)ssdtx, i);
 298                 ssdtx->checksum = 0;
 299                 ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
 300                 acpi_add_table(rsdt,ssdtx);
 301         }
 302 #endif
 303
 304         /* FACS */
 305         printk_debug("ACPI:    * FACS\n");
 306         facs = (acpi_facs_t *) current;
 307         current += sizeof(acpi_facs_t);
 308         acpi_create_facs(facs);
 309
 310         /* DSDT */
 311         printk_debug("ACPI:    * DSDT\n");
 312         dsdt = (acpi_header_t *)current;
 313         current += ((acpi_header_t *)AmlCode)->length;
 314         memcpy((void *)dsdt,(void *)AmlCode, \
 315                         ((acpi_header_t *)AmlCode)->length);
 316         printk_debug("ACPI:    * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
 317
 318         /* FDAT */
 319         printk_debug("ACPI:    * FADT\n");
 320         fadt = (acpi_fadt_t *) current;
 321         current += sizeof(acpi_fadt_t);
 322
 323         acpi_create_fadt(fadt,facs,dsdt);
 324         acpi_add_table(rsdt,fadt);
 325
 326 #if DUMP_ACPI_TABLES == 1
 327         printk_debug("rsdp\n");
 328         dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
 329
 330         printk_debug("rsdt\n");
 331         dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
 332
 333         printk_debug("madt\n");
 334         dump_mem(madt, ((void *)madt) + madt->header.length);
 335
 336         printk_debug("srat\n");
 337         dump_mem(srat, ((void *)srat) + srat->header.length);
 338
 339         printk_debug("slit\n");
 340         dump_mem(slit, ((void *)slit) + slit->header.length);
 341
 342         printk_debug("ssdt\n");
 343         dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
 344
 345         printk_debug("fadt\n");
 346         dump_mem(fadt, ((void *)fadt) + fadt->header.length);
 347 #endif
 348
 349         printk_info("ACPI: done.\n");
 350         return current;
 351 }
 352