| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 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/acpigen.h> |
| #include <arch/ioapic.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <cpu/x86/msr.h> |
| #include "agesawrapper.h" |
| #include <cpu/amd/mtrr.h> |
| #include <cpu/amd/amdfam14.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[]; |
| |
| unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) |
| { |
| int lens; |
| msr_t msr; |
| char pscope[] = "\\_SB.PCI0"; |
| |
| lens = acpigen_write_scope(pscope); |
| msr = rdmsr(TOP_MEM); |
| lens += acpigen_write_name_dword("TOM1", msr.lo); |
| msr = rdmsr(TOP_MEM2); |
| /* |
| * Since XP only implements parts of ACPI 2.0, we can't use a qword |
| * here. |
| * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt |
| * slide 22ff. |
| * Shift value right by 20 bit to make it fit into 32bit, |
| * giving us 1MB granularity and a limit of almost 4Exabyte of memory. |
| */ |
| lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); |
| acpigen_patch_len(lens - 1); |
| return (unsigned long) (acpigen_get_current()); |
| } |
| |
| 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 SB800 IOAPIC, only one */ |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| CONFIG_MAX_CPUS, 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 acpi_fill_hest(acpi_hest_t *hest) |
| { |
| void *addr, *current; |
| |
| /* Skip the HEST header. */ |
| current = (void *)(hest + 1); |
| |
| addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); |
| if (addr != NULL) |
| current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); |
| |
| addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); |
| if (addr != NULL) |
| current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2); |
| |
| return (unsigned long)current; |
| } |
| |
| unsigned long acpi_fill_slit(unsigned long current) |
| { |
| // Not implemented |
| return current; |
| } |
| |
| unsigned long acpi_fill_srat(unsigned long current) |
| { |
| /* No NUMA, no SRAT */ |
| 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; |
| acpi_header_t *ssdt2; |
| acpi_header_t *alib; |
| acpi_hest_t *hest; |
| |
| get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ |
| |
| /* Align ACPI tables to 16 bytes */ |
| start = (start + 0x0f) & -0x10; |
| 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); |
| |
| /* DSDT */ |
| current = (current + 0x07) & -0x08; |
| printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); |
| dsdt = (acpi_header_t *)current; |
| 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 = (current + 0x07) & -0x08; |
| printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current); |
| facs = (acpi_facs_t *) current; |
| current += sizeof(acpi_facs_t); |
| acpi_create_facs(facs); |
| |
| /* FADT */ |
| current = (current + 0x07) & -0x08; |
| 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); |
| |
| /* |
| * We explicitly add these tables later on: |
| */ |
| current = (current + 0x07) & -0x08; |
| 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 = (current + 0x07) & -0x08; |
| 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); |
| |
| /* HEST */ |
| current = (current + 0x07) & -0x08; |
| hest = (acpi_hest_t *)current; |
| acpi_write_hest((void *)current); |
| acpi_add_table(rsdp, (void *)current); |
| current += ((acpi_header_t *)current)->length; |
| |
| /* SRAT */ |
| current = (current + 0x07) & -0x08; |
| printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); |
| srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); |
| if (srat != NULL) { |
| memcpy((void *)current, srat, srat->header.length); |
| srat = (acpi_srat_t *) current; |
| current += srat->header.length; |
| acpi_add_table(rsdp, srat); |
| } |
| else { |
| printk(BIOS_DEBUG, " AGESA SRAT table NULL. Skipping.\n"); |
| } |
| |
| /* SLIT */ |
| current = (current + 0x07) & -0x08; |
| printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); |
| slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); |
| if (slit != NULL) { |
| memcpy((void *)current, slit, slit->header.length); |
| slit = (acpi_slit_t *) current; |
| current += slit->header.length; |
| acpi_add_table(rsdp, slit); |
| } |
| else { |
| printk(BIOS_DEBUG, " AGESA SLIT table NULL. Skipping.\n"); |
| } |
| |
| /* SSDT */ |
| current = (current + 0x0f) & -0x10; |
| printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current); |
| alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB); |
| if (alib != NULL) { |
| memcpy((void *)current, alib, alib->length); |
| ssdt = (acpi_header_t *) current; |
| current += alib->length; |
| acpi_add_table(rsdp,alib); |
| } |
| else { |
| printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n"); |
| } |
| |
| /* The DSDT needs additional work for the AGESA SSDT Pstate table */ |
| /* Keep the comment for a while. */ |
| current = (current + 0x0f) & -0x10; |
| printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); |
| ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); |
| if (ssdt != NULL) { |
| memcpy((void *)current, ssdt, ssdt->length); |
| ssdt = (acpi_header_t *) current; |
| current += ssdt->length; |
| acpi_add_table(rsdp,ssdt); |
| } else { |
| printk(BIOS_DEBUG, " AGESA SSDT Pstate table NULL. Skipping.\n"); |
| } |
| |
| current = (current + 0x0f) & -0x10; |
| printk(BIOS_DEBUG, "ACPI: * coreboot TOM SSDT2 at %lx\n", current); |
| ssdt2 = (acpi_header_t *) current; |
| acpi_create_ssdt_generator(ssdt2, ACPI_TABLE_CREATOR); |
| current += ssdt2->length; |
| acpi_add_table(rsdp,ssdt2); |
| |
| #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, "ssdt2\n"); |
| dump_mem(ssdt2, ((void *)ssdt2) + ssdt2->length); |
| |
| printk(BIOS_DEBUG, "fadt\n"); |
| dump_mem(fadt, ((void *)fadt) + fadt->header.length); |
| |
| printk(BIOS_DEBUG, "hest\n"); |
| dump_mem(hest, ((void *)hest) + hest->header.length); |
| #endif |
| |
| printk(BIOS_INFO, "ACPI: done.\n"); |
| return current; |
| } |