src/mainboard/tyan/s2895/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/smp/mpspec.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/acpi.h"
  21 #include <cpu/amd/model_fxx_powernow.h>
  22
  23 extern const unsigned char AmlCode[];
  24
  25 unsigned long acpi_fill_mcfg(unsigned long current)
  26 {
  27         return current;
  28 }
  29
  30 /* APIC */
  31 unsigned long acpi_fill_madt(unsigned long current)
  32 {
  33         unsigned long apic_addr;
  34         device_t dev;
  35
  36         /* create all subtables for processors */
  37         current = acpi_create_madt_lapics(current);
  38
  39         /* Write NVIDIA CK804 IOAPIC. */
  40         dev = dev_find_slot(0x0, PCI_DEVFN(0x1,0));
  41         if (dev) {
  42                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf;
  43                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 4,
  44                                                    apic_addr, 0);
  45                 /* Initialize interrupt mapping if mptable.c didn't. */
  46                 #if (!CONFIG_GENERATE_MP_TABLE)
  47                 {
  48                         u32 dword;
  49                         dword = 0x0120d218;
  50                         pci_write_config32(dev, 0x7c, dword);
  51
  52                         dword = 0x12008a00;
  53                         pci_write_config32(dev, 0x80, dword);
  54
  55                         dword = 0x00080d7d;
  56                         pci_write_config32(dev, 0x84, dword);
  57                 }
  58                 #endif
  59         }
  60
  61         /* Write AMD 8131 two IOAPICs. */
  62         dev = dev_find_slot(0x40, PCI_DEVFN(0x0,1));
  63         if (dev) {
  64                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xf;
  65                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 5,
  66                                                    apic_addr, 0x18);
  67         }
  68
  69         dev = dev_find_slot(0x40, PCI_DEVFN(0x1, 1));
  70         if (dev) {
  71                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xf;
  72                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 6,
  73                                                    apic_addr, 0x1C);
  74         }
  75
  76         /* Write second NVIDIA CK804 IOAPIC. */
  77         dev = dev_find_slot(0x80, PCI_DEVFN(0x1, 0));
  78         if (dev) {
  79                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf;
  80                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 7,
  81                                                    apic_addr, 0x20);
  82                 /* Initialize interrupt mapping if mptable.c didn't. */
  83                 #if (!CONFIG_GENERATE_MP_TABLE)
  84                 {
  85                         u32 dword;
  86                         dword = 0x0000d218; // Why does the factory BIOS have 0?
  87                         pci_write_config32(dev, 0x7c, dword);
  88
  89                         dword = 0x00000000;
  90                         pci_write_config32(dev, 0x80, dword);
  91
  92                         dword = 0x00000d00; // Same here.
  93                         pci_write_config32(dev, 0x84, dword);
  94                 }
  95                 #endif
  96         }
  97
  98         /* IRQ9 */
  99         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
 100                 current, 0, 9, 9, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_LOW);
 101
 102         /* IRQ0 -> APIC IRQ2. */
 103         /* Doesn't work on this board. */
 104
 105         /* 0: mean bus 0--->ISA */
 106         /* 0: PIC 0 */
 107         /* 2: APIC 2 */
 108         /* 5 mean: 0101 --> Edge-triggered, Active high */
 109
 110         /* create all subtables for processors */
 111         /* acpi_create_madt_lapic_nmis returns current, not size. */
 112         current = acpi_create_madt_lapic_nmis(current, 5, 1);
 113
 114         return current;
 115 }
 116
 117 unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) {
 118         k8acpi_write_vars();
 119         amd_model_fxx_generate_powernow(0, 0, 0);
 120         return (unsigned long) (acpigen_get_current());
 121 }
 122
 123 unsigned long write_acpi_tables(unsigned long start)
 124 {
 125         unsigned long current;
 126         acpi_rsdp_t *rsdp;
 127         acpi_srat_t *srat;
 128         acpi_rsdt_t *rsdt;
 129         acpi_hpet_t *hpet;
 130         acpi_madt_t *madt;
 131         acpi_fadt_t *fadt;
 132         acpi_facs_t *facs;
 133         acpi_slit_t *slit;
 134         acpi_header_t *ssdt;
 135         acpi_header_t *dsdt;
 136
 137         /* Align ACPI tables to 16 byte. */
 138         start = (start + 0x0f) & -0x10;
 139         current = start;
 140
 141         printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
 142
 143         /* We need at least an RSDP and an RSDT Table */
 144         rsdp = (acpi_rsdp_t *) current;
 145         current += sizeof(acpi_rsdp_t);
 146
 147         current = ALIGN(current, 16);
 148         rsdt = (acpi_rsdt_t *) current;
 149         current += sizeof(acpi_rsdt_t);
 150
 151         /* Clear all table memory. */
 152         memset((void *) start, 0, current - start);
 153
 154         acpi_write_rsdp(rsdp, rsdt, NULL);
 155         acpi_write_rsdt(rsdt);
 156
 157         current = ALIGN(current, 64);
 158         facs = (acpi_facs_t *) current;
 159         printk(BIOS_DEBUG, "ACPI:    * FACS %p\n", facs);
 160         current += sizeof(acpi_facs_t);
 161         acpi_create_facs(facs);
 162
 163         /* DSDT */
 164         current = ALIGN(current, 16);
 165         dsdt = (acpi_header_t *) current;
 166         printk(BIOS_DEBUG, "ACPI:    * DSDT %p\n", dsdt);
 167         memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
 168         current += dsdt->length;
 169         memcpy(dsdt, &AmlCode, dsdt->length);
 170         printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);
 171
 172         current = ALIGN(current, 16);
 173         fadt = (acpi_fadt_t *) current;
 174         printk(BIOS_DEBUG, "ACPI:    * FACP (FADT) @ %p\n", fadt);
 175         current += sizeof(acpi_fadt_t);
 176
 177         /* Add FADT now that we have facs and dsdt. */
 178         acpi_create_fadt(fadt, facs, dsdt);
 179         acpi_add_table(rsdp, fadt);
 180
 181         current = ALIGN(current, 16);
 182         hpet = (acpi_hpet_t *) current;
 183         printk(BIOS_DEBUG, "ACPI:    * HPET @ %p\n", hpet);
 184         current += sizeof(acpi_hpet_t);
 185         acpi_create_hpet(hpet);
 186         acpi_add_table(rsdp, hpet);
 187
 188         current = ALIGN(current, 16);
 189         madt = (acpi_madt_t *) current;
 190         printk(BIOS_DEBUG, "ACPI:    * APIC/MADT @ %p\n", madt);
 191         acpi_create_madt(madt);
 192         current += madt->header.length;
 193         acpi_add_table(rsdp, madt);
 194
 195         current = ALIGN(current, 16);
 196         srat = (acpi_srat_t *) current;
 197         printk(BIOS_DEBUG, "ACPI:    * SRAT @ %p\n", srat);
 198         acpi_create_srat(srat);
 199         current += srat->header.length;
 200         acpi_add_table(rsdp, srat);
 201
 202         /* SLIT */
 203         current = ALIGN(current, 16);
 204         slit = (acpi_slit_t *) current;
 205         printk(BIOS_DEBUG, "ACPI:    * SLIT @ %p\n", slit);
 206         acpi_create_slit(slit);
 207         current+=slit->header.length;
 208         acpi_add_table(rsdp,slit);
 209
 210         /* SSDT */
 211         current = ALIGN(current, 16);
 212         ssdt = (acpi_header_t *)current;
 213         printk(BIOS_DEBUG, "ACPI:    * SSDT @ %p\n", ssdt);
 214         acpi_create_ssdt_generator(ssdt, "DYNADATA");
 215         current += ssdt->length;
 216         acpi_add_table(rsdp, ssdt);
 217
 218         printk(BIOS_INFO, "ACPI: done %p.\n", (void *)current);
 219         return current;
 220 }