/*
* This file is part of the coreboot project.
- * written by Stefan Reinauer <stepan@openbios.org>
- * ACPI FADT, FACS, and DSDT table support added by
+ *
+ * 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 v2 as published by
- * the Free Software Foundation.
+ * 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
#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"
+#include "northbridge/amd/amdk8/acpi.h"
+#include <cpu/amd/model_fxx_powernow.h>
-#include <../../../southbridge/via/vt8237r/vt8237r.h>
-#include <../../../southbridge/via/k8t890/k8t890.h>
-
-extern unsigned char AmlCode[];
+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;
{
unsigned int gsi_base = 0x18;
- /* create all subtables for processors */
+ /* 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,
- VT8237R_APIC_BASE, 0);
+ /* 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 */
+ /* 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);
+ current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW);
- /* IRQ0 -> APIC IRQ2 */
+ /* IRQ0 -> APIC IRQ2. */
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
- current, 0, 0, 2, 0x0);
+ 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);
+ /* 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 acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
+{
+ k8acpi_write_vars();
+ amd_model_fxx_generate_powernow(0, 0, 0);
+ acpigen_write_mainboard_resources("\\_SB.PCI0.MBRS", "_CRS");
+ return (unsigned long) (acpigen_get_current());
+}
unsigned long write_acpi_tables(unsigned long start)
{
acpi_rsdp_t *rsdp;
acpi_srat_t *srat;
acpi_rsdt_t *rsdt;
- acpi_mcfg_t *mcfg;
- acpi_hpet_t *hpet;
acpi_madt_t *madt;
+ acpi_mcfg_t *mcfg;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
+ acpi_header_t *ssdt;
acpi_header_t *dsdt;
- /* Align ACPI tables to 16byte */
+ /* Align ACPI tables to 16 byte. */
start = (start + 0x0f) & -0x10;
current = start;
- printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
+ printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
- /* We need at least an RSDP and an RSDT Table */
+ /* 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 */
+ /* Clear all table memory. */
memset((void *) start, 0, current - start);
- acpi_write_rsdp(rsdp, rsdt);
+ acpi_write_rsdp(rsdp, rsdt, NULL);
acpi_write_rsdt(rsdt);
- /*
- * We explicitly add these tables later on:
- */
- printk_debug("ACPI: * FACS\n");
+ /* 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;
- current += ((acpi_header_t *) AmlCode)->length;
- memcpy((void *) dsdt, (void *) AmlCode,
- ((acpi_header_t *) AmlCode)->length);
- dsdt->checksum = 0; // don't trust intel iasl compiler to get this right
- dsdt->checksum = acpi_checksum(dsdt, dsdt->length);
- printk_debug("ACPI: * DSDT @ %08x Length %x\n", dsdt,
+ 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_debug("ACPI: * FADT\n");
+ 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(rsdt, fadt);
-
- printk_debug("ACPI: * HPET\n");
- hpet = (acpi_hpet_t *) current;
- current += sizeof(acpi_hpet_t);
- acpi_create_hpet(hpet);
- acpi_add_table(rsdt, hpet);
+ acpi_add_table(rsdp, fadt);
- /* If we want to use HPET Timers Linux wants an MADT */
- printk_debug("ACPI: * MADT\n");
+ /* 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(rsdt, madt);
-
- printk_debug("ACPI: * MCFG\n");
+ 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(rsdt, mcfg);
+ acpi_add_table(rsdp, mcfg);
- /* SRAT */
- printk_debug("ACPI: * SRAT\n");
+ printk(BIOS_DEBUG, "ACPI: * SRAT\n");
srat = (acpi_srat_t *) current;
acpi_create_srat(srat);
current += srat->header.length;
- acpi_add_table(rsdt, srat);
+ acpi_add_table(rsdp, srat);
+
+ /* SSDT */
+ printk(BIOS_DEBUG, "ACPI: * SSDT\n");
+ ssdt = (acpi_header_t *)current;
+
+ acpi_create_ssdt_generator(ssdt, "DYNADATA");
+ current += ssdt->length;
+ acpi_add_table(rsdp, ssdt);
- printk_info("ACPI: done.\n");
+ printk(BIOS_INFO, "ACPI: done.\n");
return current;
}