/* * This file is part of the coreboot project. * * Written by Stefan Reinauer . * ACPI FADT, FACS, and DSDT table support added by * * Copyright (C) 2004 Stefan Reinauer * Copyright (C) 2005 Nick Barker * Copyright (C) 2007, 2008 Rudolf Marek * Copyright (C) 2009 Harald Gutmann * * 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 #include #include #include #include #include //#include <../../../northbridge/amd/amdfam10/amdfam10_acpi.h> #include #include #include #include "mb_sysconf.h" extern const acpi_header_t AmlCode; unsigned long acpi_fill_mcfg(unsigned long current) { /* Not implemented */ return current; } unsigned long acpi_fill_madt(unsigned long current) { unsigned int gsi_base = 0x18; struct mb_sysconf_t *m; //extern unsigned char bus_mcp55[8]; //extern unsigned apicid_mcp55; extern void get_bus_conf(void); unsigned sbdn; struct resource *res; device_t dev; get_bus_conf(); sbdn = sysconf.sbdn; m = sysconf.mb; /* Create all subtables for processors. */ current = acpi_create_madt_lapics(current); /* Write SB IOAPIC. */ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sbdn+ 0x1,0)); if (dev) { res = find_resource(dev, PCI_BASE_ADDRESS_1); if (res) { current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, m->apicid_mcp55, res->base, 0); } } /* Write NB IOAPIC. */ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sbdn+ 0x12,1)); if (dev) { res = find_resource(dev, PCI_BASE_ADDRESS_1); if (res) { current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, m->apicid_mcp55++, res->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 acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) { //k8acpi_write_vars(); //amd_model_fxx_generate_powernow(0, 0, 0); //return (unsigned long) (acpigen_get_current()); return 0; } unsigned long write_acpi_tables(unsigned long start) { unsigned long current; 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_fadt_t *fadt; acpi_facs_t *facs; acpi_slit_t *slit; acpi_header_t *ssdt; 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"); /* we should align FACS to 64B as per ACPI specs */ current = ALIGN(current, 64); facs = (acpi_facs_t *) current; current += sizeof(acpi_facs_t); acpi_create_facs(facs); dsdt = (acpi_header_t *) current; current += AmlCode.length; memcpy((void *) dsdt, &AmlCode, AmlCode.length); dsdt->checksum = 0; /* Don't trust iasl to get this right. */ dsdt->checksum = acpi_checksum(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); printk(BIOS_DEBUG, "ACPI: * HPET\n"); 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. */ 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); /* SLIT */ printk(BIOS_DEBUG, "ACPI: * SLIT\n"); slit = (acpi_slit_t *) current; acpi_create_slit(slit); current+=slit->header.length; acpi_add_table(rsdp, slit); /* 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(BIOS_INFO, "ACPI: done.\n"); return current; }