diff options
Diffstat (limited to 'src/mainboard/asus/a8v-e_deluxe/acpi_tables.c')
| -rw-r--r-- | src/mainboard/asus/a8v-e_deluxe/acpi_tables.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/mainboard/asus/a8v-e_deluxe/acpi_tables.c b/src/mainboard/asus/a8v-e_deluxe/acpi_tables.c new file mode 100644 index 0000000000..fe8d4757ee --- /dev/null +++ b/src/mainboard/asus/a8v-e_deluxe/acpi_tables.c @@ -0,0 +1,156 @@ +/* + * This file is part of the coreboot project. + * + * Written by Stefan Reinauer <stepan@openbios.org>. + * ACPI FADT, FACS, and DSDT table support added by + * + * Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org> + * Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com> + * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> + * + * 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/smp/mpspec.h> +#include <arch/ioapic.h> +#include <device/device.h> +#include <device/pci_ids.h> +#include "southbridge/via/vt8237r/vt8237r.h" +#include "southbridge/via/k8t890/k8t890.h" + +extern const unsigned char AmlCode[]; + +unsigned long acpi_fill_mcfg(unsigned long current) +{ + device_t dev; + struct resource *res; + + dev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_K8T890CE_5, 0); + if (!dev) + return current; + + res = find_resource(dev, K8T890_MMCONFIG_MBAR); + if (res) { + current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) + current, res->base, 0x0, 0x0, 0xff); + } + return current; +} + +unsigned long acpi_fill_madt(unsigned long current) +{ + unsigned int gsi_base = 0x18; + + /* Create all subtables for processors. */ + current = acpi_create_madt_lapics(current); + + /* Write SB IOAPIC. */ + current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, + VT8237R_APIC_ID, IO_APIC_ADDR, 0); + + /* Write NB IOAPIC. */ + current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, + K8T890_APIC_ID, K8T890_APIC_BASE, gsi_base); + + /* IRQ9 ACPI active low. */ + current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) + current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); + + /* IRQ0 -> APIC IRQ2. */ + current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) + current, 0, 0, 2, 0x0); + + /* Create all subtables for processors. */ + current = acpi_create_madt_lapic_nmis(current, + MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 1); + + return current; +} + +unsigned long write_acpi_tables(unsigned long start) +{ + unsigned long current; + acpi_rsdp_t *rsdp; + acpi_srat_t *srat; + acpi_rsdt_t *rsdt; + acpi_madt_t *madt; + acpi_mcfg_t *mcfg; + acpi_fadt_t *fadt; + acpi_facs_t *facs; + acpi_header_t *dsdt; + + /* Align ACPI tables to 16 byte. */ + 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); + + /* We explicitly add these tables later on: */ + printk(BIOS_DEBUG, "ACPI: * FACS\n"); + facs = (acpi_facs_t *) current; + current += sizeof(acpi_facs_t); + acpi_create_facs(facs); + + dsdt = (acpi_header_t *)current; + memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); + current += dsdt->length; + memcpy(dsdt, &AmlCode, dsdt->length); + dsdt->checksum = 0; /* Don't trust iasl to get this right. */ + dsdt->checksum = acpi_checksum((u8*)dsdt, dsdt->length); + printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, + dsdt->length); + printk(BIOS_DEBUG, "ACPI: * FADT\n"); + + fadt = (acpi_fadt_t *) current; + current += sizeof(acpi_fadt_t); + + acpi_create_fadt(fadt, facs, dsdt); + acpi_add_table(rsdp, fadt); + + /* If we want to use HPET timers Linux wants it in MADT. */ + printk(BIOS_DEBUG, "ACPI: * MADT\n"); + madt = (acpi_madt_t *) current; + acpi_create_madt(madt); + current += madt->header.length; + acpi_add_table(rsdp, madt); + printk(BIOS_DEBUG, "ACPI: * MCFG\n"); + mcfg = (acpi_mcfg_t *) current; + acpi_create_mcfg(mcfg); + current += mcfg->header.length; + acpi_add_table(rsdp, mcfg); + + printk(BIOS_DEBUG, "ACPI: * SRAT\n"); + srat = (acpi_srat_t *) current; + acpi_create_srat(srat); + current += srat->header.length; + acpi_add_table(rsdp, srat); + + printk(BIOS_INFO, "ACPI: done.\n"); + return current; +} |