| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <console/console.h> |
| #include <string.h> |
| #include <arch/acpi.h> |
| #include <arch/ioapic.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <cpu/x86/msr.h> |
| #include <cpu/amd/mtrr.h> |
| #include <cpu/amd/amdfam10_sysconf.h> |
| |
| #include "mb_sysconf.h" |
| |
| #define DUMP_ACPI_TABLES 0 |
| |
| #if DUMP_ACPI_TABLES == 1 |
| static void dump_mem(u32 start, u32 end) |
| { |
| |
| u32 i; |
| print_debug("dump_mem:"); |
| for (i = start; i < end; i++) { |
| if ((i & 0xf) == 0) { |
| printk(BIOS_DEBUG, "\n%08x:", i); |
| } |
| printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i)); |
| } |
| print_debug("\n"); |
| } |
| #endif |
| |
| extern const unsigned char AmlCode[]; |
| extern const unsigned char AmlCode_ssdt[]; |
| |
| #if CONFIG_ACPI_SSDTX_NUM >= 1 |
| extern const unsigned char AmlCode_ssdt2[]; |
| extern const unsigned char AmlCode_ssdt3[]; |
| extern const unsigned char AmlCode_ssdt4[]; |
| extern const unsigned char AmlCode_ssdt5[]; |
| #endif |
| |
| unsigned long acpi_fill_mcfg(unsigned long current) |
| { |
| /* Just a dummy */ |
| return current; |
| } |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| /* create all subtables for processors */ |
| current = acpi_create_madt_lapics(current); |
| |
| /* Write SB700 IOAPIC, only one */ |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2, |
| IO_APIC_ADDR, 0); |
| |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| current, 0, 0, 2, 0); |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| current, 0, 9, 9, 0xF); |
| /* 0: mean bus 0--->ISA */ |
| /* 0: PIC 0 */ |
| /* 2: APIC 2 */ |
| /* 5 mean: 0101 --> Edige-triggered, Active high */ |
| |
| /* create all subtables for processors */ |
| /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */ |
| /* 1: LINT1 connect to NMI */ |
| |
| return current; |
| } |
| |
| unsigned long write_acpi_tables(unsigned long start) |
| { |
| unsigned long current; |
| acpi_rsdp_t *rsdp; |
| acpi_rsdt_t *rsdt; |
| acpi_hpet_t *hpet; |
| acpi_madt_t *madt; |
| acpi_srat_t *srat; |
| acpi_slit_t *slit; |
| acpi_fadt_t *fadt; |
| acpi_facs_t *facs; |
| acpi_header_t *dsdt; |
| acpi_header_t *ssdt; |
| #if CONFIG_ACPI_SSDTX_NUM >= 1 |
| acpi_header_t *ssdtx; |
| void *p; |
| int i; |
| #endif |
| |
| get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ |
| |
| /* Align ACPI tables to 16 bytes */ |
| start = ALIGN(start, 16); |
| current = start; |
| |
| printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); |
| |
| /* We need at least an RSDP and an RSDT Table */ |
| rsdp = (acpi_rsdp_t *) current; |
| current += sizeof(acpi_rsdp_t); |
| rsdt = (acpi_rsdt_t *) current; |
| current += sizeof(acpi_rsdt_t); |
| |
| /* clear all table memory */ |
| memset((void *)start, 0, current - start); |
| |
| acpi_write_rsdp(rsdp, rsdt, NULL); |
| acpi_write_rsdt(rsdt); |
| |
| /* |
| * We explicitly add these tables later on: |
| */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); |
| hpet = (acpi_hpet_t *) current; |
| current += sizeof(acpi_hpet_t); |
| acpi_create_hpet(hpet); |
| acpi_add_table(rsdp, hpet); |
| |
| /* If we want to use HPET Timers Linux wants an MADT */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); |
| madt = (acpi_madt_t *) current; |
| acpi_create_madt(madt); |
| current += madt->header.length; |
| acpi_add_table(rsdp, madt); |
| |
| /* SRAT */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); |
| srat = (acpi_srat_t *) current; |
| acpi_create_srat(srat); |
| current += srat->header.length; |
| acpi_add_table(rsdp, srat); |
| |
| /* SLIT */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); |
| slit = (acpi_slit_t *) current; |
| acpi_create_slit(slit); |
| current += slit->header.length; |
| acpi_add_table(rsdp, slit); |
| |
| /* SSDT */ |
| current = ALIGN(current, 16); |
| printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); |
| ssdt = (acpi_header_t *)current; |
| memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); |
| current += ssdt->length; |
| memcpy(ssdt, &AmlCode_ssdt, ssdt->length); |
| //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c |
| update_ssdt((void*)ssdt); |
| /* recalculate checksum */ |
| ssdt->checksum = 0; |
| ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); |
| acpi_add_table(rsdp,ssdt); |
| |
| printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current); |
| current = acpi_add_ssdt_pstates(rsdp, current); |
| |
| #if CONFIG_ACPI_SSDTX_NUM >= 1 |
| |
| /* same htio, but different position? We may have to copy, |
| change HCIN, and recalculate the checknum and add_table */ |
| |
| for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink |
| if((sysconf.pci1234[i] & 1) != 1 ) continue; |
| u8 c; |
| if (i < 7) { |
| c = (u8) ('4' + i - 1); |
| } else { |
| c = (u8) ('A' + i - 1 - 6); |
| } |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt |
| ssdtx = (acpi_header_t *)current; |
| switch (sysconf.hcid[i]) { |
| case 1: |
| p = &AmlCode_ssdt2; |
| break; |
| case 2: |
| p = &AmlCode_ssdt3; |
| break; |
| case 3: /* 8131 */ |
| p = &AmlCode_ssdt4; |
| break; |
| default: |
| /* HTX no io apic */ |
| p = &AmlCode_ssdt5; |
| break; |
| } |
| memcpy(ssdtx, p, sizeof(acpi_header_t)); |
| current += ssdtx->length; |
| memcpy(ssdtx, p, ssdtx->length); |
| update_ssdtx((void *)ssdtx, i); |
| ssdtx->checksum = 0; |
| ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length); |
| acpi_add_table(rsdp, ssdtx); |
| } |
| #endif |
| |
| /* DSDT */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); |
| dsdt = (acpi_header_t *)current; // it will used by fadt |
| memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); |
| current += dsdt->length; |
| memcpy(dsdt, &AmlCode, dsdt->length); |
| printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length); |
| |
| /* FACS */ // it needs 64 bit alignment |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current); |
| facs = (acpi_facs_t *) current; // it will be used by fadt |
| current += sizeof(acpi_facs_t); |
| acpi_create_facs(facs); |
| |
| /* FADT */ |
| current = ALIGN(current, 8); |
| printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current); |
| fadt = (acpi_fadt_t *) current; |
| current += sizeof(acpi_fadt_t); |
| |
| acpi_create_fadt(fadt, facs, dsdt); |
| acpi_add_table(rsdp, fadt); |
| |
| #if DUMP_ACPI_TABLES == 1 |
| printk(BIOS_DEBUG, "rsdp\n"); |
| dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t)); |
| |
| printk(BIOS_DEBUG, "rsdt\n"); |
| dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t)); |
| |
| printk(BIOS_DEBUG, "madt\n"); |
| dump_mem(madt, ((void *)madt) + madt->header.length); |
| |
| printk(BIOS_DEBUG, "srat\n"); |
| dump_mem(srat, ((void *)srat) + srat->header.length); |
| |
| printk(BIOS_DEBUG, "slit\n"); |
| dump_mem(slit, ((void *)slit) + slit->header.length); |
| |
| printk(BIOS_DEBUG, "ssdt\n"); |
| dump_mem(ssdt, ((void *)ssdt) + ssdt->length); |
| |
| printk(BIOS_DEBUG, "fadt\n"); |
| dump_mem(fadt, ((void *)fadt) + fadt->header.length); |
| #endif |
| |
| printk(BIOS_INFO, "ACPI: done.\n"); |
| return current; |
| } |