src/mainboard/Iwill/dk8_htx/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
  20 #include "mb_sysconf.h"
  21
  22 #define DUMP_ACPI_TABLES 0
  23
  24 #if DUMP_ACPI_TABLES == 1
  25 static void dump_mem(unsigned start, unsigned end)
  26 {
  27
  28         unsigned i;
  29         print_debug("dump_mem:");
  30         for(i=start;i<end;i++) {
  31                 if((i & 0xf)==0) {
  32                         printk_debug("\n%08x:", i);
  33                 }
  34                 printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
  35         }
  36         print_debug("\n");
  37  }
  38 #endif
  39
  40 extern unsigned char AmlCode[];
  41 extern unsigned char AmlCode_ssdt[];
  42
  43 #if ACPI_SSDTX_NUM >= 1
  44 extern unsigned char AmlCode_ssdt2[];
  45 extern unsigned char AmlCode_ssdt3[];
  46 extern unsigned char AmlCode_ssdt4[];
  47 #endif
  48
  49 #define IO_APIC_ADDR    0xfec00000UL
  50
  51 unsigned long acpi_fill_madt(unsigned long current)
  52 {
  53         unsigned int gsi_base=0x18;
  54
  55         struct mb_sysconf_t *m;
  56
  57         m = sysconf.mb;
  58
  59         /* create all subtables for processors */
  60         current = acpi_create_madt_lapics(current);
  61
  62         /* Write 8111 IOAPIC */
  63         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
  64                         IO_APIC_ADDR, 0);
  65
  66         /* Write all 8131 IOAPICs */
  67         {
  68                 device_t dev;
  69                 struct resource *res;
  70                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
  71                 if (dev) {
  72                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  73                         if (res) {
  74                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
  75                                         res->base, gsi_base );
  76                                 gsi_base+=4;
  77
  78                         }
  79                 }
  80                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
  81                 if (dev) {
  82                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  83                         if (res) {
  84                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
  85                                         res->base, gsi_base );
  86                                 gsi_base+=4;
  87                         }
  88                 }
  89
  90                 int i;
  91                 int j = 0;
  92
  93                 for(i=1; i< sysconf.hc_possible_num; i++) {
  94                         unsigned d;
  95                         if(!(sysconf.pci1234[i] & 0x1) ) continue;
  96                         // 8131 need to use +4
  97
  98                         switch (sysconf.hcid[i]) {
  99                         case 1:
 100                                 d = 7;
 101                                 break;
 102                         case 3:
 103                                 d = 4;
 104                                 break;
 105                         }
 106                         switch (sysconf.hcid[i]) {
 107                         case 1:
 108                         case 3:
 109                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
 110                                 if (dev) {
 111                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 112                                         if (res) {
 113                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
 114                                                         res->base, gsi_base );
 115                                                 gsi_base+=d;
 116                                         }
 117                                 }
 118                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
 119                                 if (dev) {
 120                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 121                                         if (res) {
 122                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
 123                                                         res->base, gsi_base );
 124                                                 gsi_base+=d;
 125
 126                                         }
 127                                 }
 128                                 break;
 129                         }
 130
 131                         j++;
 132                 }
 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
 149         return current;
 150 }
 151
 152 extern void get_bus_conf(void);
 153
 154 extern void update_ssdt(void *ssdt);
 155
 156 void update_ssdtx(void *ssdtx, int i)
 157 {
 158         uint8_t *PCI;
 159         uint8_t *HCIN;
 160         uint8_t *UID;
 161
 162         PCI = ssdtx + 0x32;
 163         HCIN = ssdtx + 0x39;
 164         UID = ssdtx + 0x40;
 165
 166         if(i<7) {
 167                 *PCI  = (uint8_t) ('4' + i - 1);
 168         }
 169         else {
 170                 *PCI  = (uint8_t) ('A' + i - 1 - 6);
 171         }
 172         *HCIN = (uint8_t) i;
 173         *UID  = (uint8_t) (i+3);
 174
 175         /* FIXME: need to update the GSI id in the ssdtx too */
 176
 177 }
 178
 179 unsigned long write_acpi_tables(unsigned long start)
 180 {
 181         unsigned long current;
 182         acpi_rsdp_t *rsdp;
 183         acpi_rsdt_t *rsdt;
 184         acpi_hpet_t *hpet;
 185         acpi_madt_t *madt;
 186         acpi_srat_t *srat;
 187         acpi_slit_t *slit;
 188         acpi_fadt_t *fadt;
 189         acpi_facs_t *facs;
 190         acpi_header_t *dsdt;
 191         acpi_header_t *ssdt;
 192         acpi_header_t *ssdtx;
 193         unsigned char *p;
 194
 195         unsigned char *AmlCode_ssdtx[HC_POSSIBLE_NUM];
 196
 197         int i;
 198
 199         get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
 200
 201         /* Align ACPI tables to 16byte */
 202         start   = ( start + 0x0f ) & -0x10;
 203         current = start;
 204
 205         printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
 206
 207         /* We need at least an RSDP and an RSDT Table */
 208         rsdp = (acpi_rsdp_t *) current;
 209         current += sizeof(acpi_rsdp_t);
 210         rsdt = (acpi_rsdt_t *) current;
 211         current += sizeof(acpi_rsdt_t);
 212
 213         /* clear all table memory */
 214         memset((void *)start, 0, current - start);
 215
 216         acpi_write_rsdp(rsdp, rsdt);
 217         acpi_write_rsdt(rsdt);
 218
 219         /*
 220          * We explicitly add these tables later on:
 221          */
 222         printk_debug("ACPI:    * HPET\n");
 223         hpet = (acpi_hpet_t *) current;
 224         current += sizeof(acpi_hpet_t);
 225         acpi_create_hpet(hpet);
 226         acpi_add_table(rsdt,hpet);
 227
 228         /* If we want to use HPET Timers Linux wants an MADT */
 229         printk_debug("ACPI:    * MADT\n");
 230         madt = (acpi_madt_t *) current;
 231         acpi_create_madt(madt);
 232         current+=madt->header.length;
 233         acpi_add_table(rsdt,madt);
 234
 235
 236         /* SRAT */
 237         printk_debug("ACPI:    * SRAT\n");
 238         srat = (acpi_srat_t *) current;
 239         acpi_create_srat(srat);
 240         current+=srat->header.length;
 241         acpi_add_table(rsdt,srat);
 242
 243         /* SLIT */
 244         printk_debug("ACPI:    * SLIT\n");
 245         slit = (acpi_slit_t *) current;
 246         acpi_create_slit(slit);
 247         current+=slit->header.length;
 248         acpi_add_table(rsdt,slit);
 249
 250         /* SSDT */
 251         printk_debug("ACPI:    * SSDT\n");
 252         ssdt = (acpi_header_t *)current;
 253         current += ((acpi_header_t *)AmlCode_ssdt)->length;
 254         memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length);
 255         //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
 256         update_ssdt((void*)ssdt);
 257         /* recalculate checksum */
 258         ssdt->checksum = 0;
 259         ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 260         acpi_add_table(rsdt,ssdt);
 261
 262 #if ACPI_SSDTX_NUM >= 1
 263
 264         //same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
 265
 266         for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
 267                 if((sysconf.pci1234[i] & 1) != 1 ) continue;
 268                 uint8_t c;
 269                 if(i<7) {
 270                         c  = (uint8_t) ('4' + i - 1);
 271                 }
 272                 else {
 273                         c  = (uint8_t) ('A' + i - 1 - 6);
 274                 }
 275                 printk_debug("ACPI:    * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
 276                 current   = ( current + 0x07) & -0x08;
 277                 ssdtx = (acpi_header_t *)current;
 278                 switch(sysconf.hcid[i]) {
 279                 case 1: //8132
 280                         p = AmlCode_ssdt2;
 281                         break;
 282                 case 2: //8151
 283                         p = AmlCode_ssdt3;
 284                         break;
 285                 case 3: //8131
 286                         p = AmlCode_ssdt4;
 287                         break;
 288                 default:
 289                         continue;
 290                 }
 291                 current += ((acpi_header_t *)p)->length;
 292                 memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
 293                 update_ssdtx((void *)ssdtx, i);
 294                 ssdtx->checksum = 0;
 295                 ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
 296                 acpi_add_table(rsdt,ssdtx);
 297         }
 298 #endif
 299
 300         /* FACS */
 301         printk_debug("ACPI:    * FACS\n");
 302         facs = (acpi_facs_t *) current;
 303         current += sizeof(acpi_facs_t);
 304         acpi_create_facs(facs);
 305
 306         /* DSDT */
 307         printk_debug("ACPI:    * DSDT\n");
 308         dsdt = (acpi_header_t *)current;
 309         current += ((acpi_header_t *)AmlCode)->length;
 310         memcpy((void *)dsdt,(void *)AmlCode, \
 311                         ((acpi_header_t *)AmlCode)->length);
 312         printk_debug("ACPI:    * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
 313
 314         /* FDAT */
 315         printk_debug("ACPI:    * FADT\n");
 316         fadt = (acpi_fadt_t *) current;
 317         current += sizeof(acpi_fadt_t);
 318
 319         acpi_create_fadt(fadt,facs,dsdt);
 320         acpi_add_table(rsdt,fadt);
 321
 322 #if DUMP_ACPI_TABLES == 1
 323         printk_debug("rsdp\n");
 324         dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
 325
 326         printk_debug("rsdt\n");
 327         dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
 328
 329         printk_debug("madt\n");
 330         dump_mem(madt, ((void *)madt) + madt->header.length);
 331
 332         printk_debug("srat\n");
 333         dump_mem(srat, ((void *)srat) + srat->header.length);
 334
 335         printk_debug("slit\n");
 336         dump_mem(slit, ((void *)slit) + slit->header.length);
 337
 338         printk_debug("ssdt\n");
 339         dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
 340
 341         printk_debug("fadt\n");
 342         dump_mem(fadt, ((void *)fadt) + fadt->header.length);
 343 #endif
 344
 345         printk_info("ACPI: done.\n");
 346         return current;
 347 }
 348