src/mainboard/amd/serengeti_cheetah_fam10/acpi_tables.c

   1 /*
   2  * This file is part of the LinuxBIOS project.
   3  *
   4  * Copyright (C) 2007 Advanced Micro Devices, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  18  */
  19
  20 #include <console/console.h>
  21 #include <string.h>
  22 #include <arch/acpi.h>
  23 #include <device/pci.h>
  24 #include <device/pci_ids.h>
  25 #include <cpu/x86/msr.h>
  26 #include <cpu/amd/mtrr.h>
  27 #include <cpu/amd/amdfam10_sysconf.h>
  28
  29 #include "mb_sysconf.h"
  30
  31 #define DUMP_ACPI_TABLES 0
  32
  33 #if DUMP_ACPI_TABLES == 1
  34 static void dump_mem(u32 start, u32 end)
  35 {
  36
  37         u32 i;
  38         print_debug("dump_mem:");
  39         for(i=start;i<end;i++) {
  40                 if((i & 0xf)==0) {
  41                         printk_debug("\n%08x:", i);
  42                 }
  43                 printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
  44         }
  45         print_debug("\n");
  46  }
  47 #endif
  48
  49 extern u8 AmlCode[];
  50 extern u8 AmlCode_ssdt[];
  51
  52 #if ACPI_SSDTX_NUM >= 1
  53 extern u8 AmlCode_ssdt2[];
  54 extern u8 AmlCode_ssdt3[];
  55 extern u8 AmlCode_ssdt4[];
  56 extern u8 AmlCode_ssdt5[];
  57 #endif
  58
  59 #define IO_APIC_ADDR    0xfec00000UL
  60
  61 unsigned long acpi_fill_mcfg(unsigned long current)
  62 {
  63         /* Just a dummy */
  64         return current;
  65 }
  66
  67 unsigned long acpi_fill_madt(unsigned long current)
  68 {
  69         u32 gsi_base=0x18;
  70
  71         struct mb_sysconf_t *m;
  72
  73         m = sysconf.mb;
  74
  75         /* create all subtables for processors */
  76         current = acpi_create_madt_lapics(current);
  77
  78         /* Write 8111 IOAPIC */
  79         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
  80                         IO_APIC_ADDR, 0);
  81
  82         /* Write all 8131 IOAPICs */
  83         {
  84                 device_t dev;
  85                 struct resource *res;
  86                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
  87                 if (dev) {
  88                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  89                         if (res) {
  90                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
  91                                         res->base, gsi_base );
  92                                 gsi_base+=7;
  93
  94                         }
  95                 }
  96                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
  97                 if (dev) {
  98                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
  99                         if (res) {
 100                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
 101                                         res->base, gsi_base );
 102                                 gsi_base+=7;
 103                         }
 104                 }
 105
 106                 int i;
 107                 int j = 0;
 108
 109                 for(i=1; i< sysconf.hc_possible_num; i++) {
 110                         u32 d = 0;
 111
 112                         if(!(sysconf.pci1234[i] & 0x1) ) continue;
 113                         // 8131 need to use +4
 114                         switch (sysconf.hcid[i]) {
 115                         case 1:
 116                                 d = 7;
 117                                 break;
 118                         case 3:
 119                                 d = 4;
 120                                 break;
 121                         }
 122                         switch (sysconf.hcid[i]) {
 123                         case 1:
 124                         case 3:
 125                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
 126                                 if (dev) {
 127                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 128                                         if (res) {
 129                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
 130                                                         res->base, gsi_base );
 131                                                 gsi_base+=d;
 132                                         }
 133                                 }
 134                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
 135                                 if (dev) {
 136                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
 137                                         if (res) {
 138                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
 139                                                         res->base, gsi_base );
 140                                                 gsi_base+=d;
 141
 142                                         }
 143                                 }
 144                                 break;
 145                         }
 146                         j++;
 147                 }
 148         }
 149
 150         current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *) current, 0, 0, 2, 5 );
 151                 /* 0: mean bus 0--->ISA */
 152                 /* 0: PIC 0 */
 153                 /* 2: APIC 2 */
 154                 /* 5 mean: 0101 --> Edige-triggered, Active high*/
 155
 156
 157                 /* create all subtables for processors */
 158         current = acpi_create_madt_lapic_nmis(current, 5, 1);
 159                 /* 1: LINT1 connect to NMI */
 160
 161         return current;
 162 }
 163
 164 extern void get_bus_conf(void);
 165 extern void update_ssdt(void *ssdt);
 166
 167
 168 void update_ssdtx(void *ssdtx, int i)
 169 {
 170         u8 *PCI;
 171         u8 *HCIN;
 172         u8 *UID;
 173
 174         PCI = ssdtx + 0x32;
 175         HCIN = ssdtx + 0x39;
 176         UID = ssdtx + 0x40;
 177
 178         if(i<7) {
 179                 *PCI  = (u8) ('4' + i - 1);
 180         }
 181         else {
 182                 *PCI  = (u8) ('A' + i - 1 - 6);
 183         }
 184         *HCIN = (u8) i;
 185         *UID  = (u8) (i+3);
 186
 187         /* FIXME: need to update the GSI id in the ssdtx too */
 188
 189 }
 190
 191 unsigned long write_acpi_tables(unsigned long start)
 192 {
 193         unsigned long current;
 194         acpi_rsdp_t *rsdp;
 195         acpi_rsdt_t *rsdt;
 196         acpi_hpet_t *hpet;
 197         acpi_madt_t *madt;
 198         acpi_srat_t *srat;
 199         acpi_slit_t *slit;
 200         acpi_fadt_t *fadt;
 201         acpi_facs_t *facs;
 202         acpi_header_t *dsdt;
 203         acpi_header_t *ssdt;
 204         acpi_header_t *ssdtx;
 205         u8 *p;
 206
 207         int i;
 208
 209         get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
 210
 211         /* Align ACPI tables to 16 bytes */
 212         start   = ( start + 0x0f) & -0x10;
 213         current = start;
 214
 215         printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
 216
 217         /* We need at least an RSDP and an RSDT Table */
 218         rsdp = (acpi_rsdp_t *) current;
 219         current += sizeof(acpi_rsdp_t);
 220         rsdt = (acpi_rsdt_t *) current;
 221         current += sizeof(acpi_rsdt_t);
 222
 223         /* clear all table memory */
 224         memset((void *)start, 0, current - start);
 225
 226         acpi_write_rsdp(rsdp, rsdt);
 227         acpi_write_rsdt(rsdt);
 228
 229         /*
 230          * We explicitly add these tables later on:
 231          */
 232         current   = ( current + 0x07) & -0x08;
 233         printk_debug("ACPI:    * HPET at %lx\n", current);
 234         hpet = (acpi_hpet_t *) current;
 235         current += sizeof(acpi_hpet_t);
 236         acpi_create_hpet(hpet);
 237         acpi_add_table(rsdt,hpet);
 238
 239         /* If we want to use HPET Timers Linux wants an MADT */
 240         current   = ( current + 0x07) & -0x08;
 241         printk_debug("ACPI:    * MADT at %lx\n",current);
 242         madt = (acpi_madt_t *) current;
 243         acpi_create_madt(madt);
 244         current+=madt->header.length;
 245         acpi_add_table(rsdt,madt);
 246
 247         /* SRAT */
 248         current   = ( current + 0x07) & -0x08;
 249         printk_debug("ACPI:    * SRAT at %lx\n", current);
 250         srat = (acpi_srat_t *) current;
 251         acpi_create_srat(srat);
 252         current+=srat->header.length;
 253         acpi_add_table(rsdt,srat);
 254
 255         /* SLIT */
 256         current   = ( current + 0x07) & -0x08;
 257         printk_debug("ACPI:   * SLIT at %lx\n", current);
 258         slit = (acpi_slit_t *) current;
 259         acpi_create_slit(slit);
 260         current+=slit->header.length;
 261         acpi_add_table(rsdt,slit);
 262
 263         /* SSDT */
 264         current   = ( current + 0x0f) & -0x10;
 265         printk_debug("ACPI:    * SSDT at %lx\n", current);
 266         ssdt = (acpi_header_t *)current;
 267         current += ((acpi_header_t *)AmlCode_ssdt)->length;
 268         memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length);
 269         //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
 270         update_ssdt((void*)ssdt);
 271         /* recalculate checksum */
 272         ssdt->checksum = 0;
 273         ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 274         acpi_add_table(rsdt,ssdt);
 275
 276         printk_debug("ACPI:    * SSDT for PState at %lx\n", current);
 277         current = acpi_add_ssdt_pstates(rsdt, current);
 278
 279 #if ACPI_SSDTX_NUM >= 1
 280
 281         /* same htio, but different possition? We may have to copy,
 282         change HCIN, and recalculate the checknum and add_table */
 283
 284         for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
 285                 if((sysconf.pci1234[i] & 1) != 1 ) continue;
 286                 u8 c;
 287                 if(i<7) {
 288                         c  = (u8) ('4' + i - 1);
 289                 }
 290                 else {
 291                         c  = (u8) ('A' + i - 1 - 6);
 292                 }
 293                 current   = ( current + 0x07) & -0x08;
 294                 printk_debug("ACPI:    * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
 295                 ssdtx = (acpi_header_t *)current;
 296                 switch(sysconf.hcid[i]) {
 297                 case 1:
 298                         p = AmlCode_ssdt2;
 299                         break;
 300                 case 2:
 301                         p = AmlCode_ssdt3;
 302                         break;
 303                 case 3: //8131
 304                          p = AmlCode_ssdt4;
 305                          break;
 306                  default:
 307                         //HTX no io apic
 308                          p = AmlCode_ssdt5;
 309                 }
 310                 current += ((acpi_header_t *)p)->length;
 311                 memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
 312                 update_ssdtx((void *)ssdtx, i);
 313                 ssdtx->checksum = 0;
 314                 ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
 315                 acpi_add_table(rsdt,ssdtx);
 316         }
 317 #endif
 318
 319         /* DSDT */
 320         current   = ( current + 0x07) & -0x08;
 321         printk_debug("ACPI:    * DSDT at %lx\n", current);
 322         dsdt = (acpi_header_t *)current; // it will used by fadt
 323         current += ((acpi_header_t *)AmlCode)->length;
 324         memcpy((void *)dsdt,(void *)AmlCode, \
 325                         ((acpi_header_t *)AmlCode)->length);
 326         printk_debug("ACPI:    * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
 327
 328         /* FACS */ // it needs 64 bit alignment
 329         current   = ( current + 0x07) & -0x08;
 330         printk_debug("ACPI:     * FACS at %lx\n", current);
 331         facs = (acpi_facs_t *) current; // it will be used by fadt
 332         current += sizeof(acpi_facs_t);
 333         acpi_create_facs(facs);
 334
 335         /* FDAT */
 336         current   = ( current + 0x07) & -0x08;
 337         printk_debug("ACPI:    * FADT at %lx\n", current);
 338         fadt = (acpi_fadt_t *) current;
 339         current += sizeof(acpi_fadt_t);
 340
 341         acpi_create_fadt(fadt,facs,dsdt);
 342         acpi_add_table(rsdt,fadt);
 343
 344 #if DUMP_ACPI_TABLES == 1
 345         printk_debug("rsdp\n");
 346         dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
 347
 348         printk_debug("rsdt\n");
 349         dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
 350
 351         printk_debug("madt\n");
 352         dump_mem(madt, ((void *)madt) + madt->header.length);
 353
 354         printk_debug("srat\n");
 355         dump_mem(srat, ((void *)srat) + srat->header.length);
 356
 357         printk_debug("slit\n");
 358         dump_mem(slit, ((void *)slit) + slit->header.length);
 359
 360         printk_debug("ssdt\n");
 361         dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
 362
 363         printk_debug("fadt\n");
 364         dump_mem(fadt, ((void *)fadt) + fadt->header.length);
 365 #endif
 366
 367         printk_info("ACPI: done.\n");
 368         return current;
 369 }
 370