| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2010 coresystems GmbH |
| * |
| * 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. |
| */ |
| |
| #include <types.h> |
| #include <string.h> |
| #include <console/console.h> |
| #include <arch/acpi.h> |
| #include <arch/ioapic.h> |
| #include <arch/acpigen.h> |
| #include <arch/smp/mpspec.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| |
| #include "southbridge/intel/i82801gx/nvs.h" |
| #include "mainboard.h" |
| |
| void acpi_create_gnvs(global_nvs_t *gnvs) |
| { |
| /* Enable COM port(s) */ |
| gnvs->cmap = 0x01; |
| gnvs->cmbp = 0x00; |
| |
| /* IGD Displays */ |
| gnvs->ndid = 2; |
| gnvs->did[0] = 0x80000100; |
| gnvs->did[1] = 0x80000410; |
| gnvs->did[2] = 0x80000320; |
| gnvs->did[3] = 0x80000410; |
| gnvs->did[4] = 0x00000005; |
| } |
| |
| static long acpi_create_ecdt(acpi_ecdt_t * ecdt) |
| { |
| /* Attention: Make sure these match the values from |
| * the DSDT's ec.asl |
| */ |
| static const char ec_id[] = "\\_SB.PCI0.LPCB.EC0"; |
| int ecdt_len = sizeof(acpi_ecdt_t) + strlen(ec_id) + 1; |
| |
| acpi_header_t *header = &(ecdt->header); |
| |
| memset((void *) ecdt, 0, ecdt_len); |
| |
| /* fill out header fields */ |
| memcpy(header->signature, "ECDT", 4); |
| memcpy(header->oem_id, OEM_ID, 6); |
| memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| memcpy(header->asl_compiler_id, ASLC, 4); |
| |
| header->length = ecdt_len; |
| header->revision = 1; |
| |
| /* Location of the two EC registers */ |
| ecdt->ec_control.space_id = ACPI_ADDRESS_SPACE_IO; |
| ecdt->ec_control.bit_width = 8; |
| ecdt->ec_control.bit_offset = 0; |
| ecdt->ec_control.addrl = 0x66; |
| ecdt->ec_control.addrh = 0; |
| |
| ecdt->ec_data.space_id = ACPI_ADDRESS_SPACE_IO; /* Memory */ |
| ecdt->ec_data.bit_width = 8; |
| ecdt->ec_data.bit_offset = 0; |
| ecdt->ec_data.addrl = 0x62; |
| ecdt->ec_data.addrh = 0; |
| |
| ecdt->uid = 1; // Must match _UID of the EC0 node. |
| |
| ecdt->gpe_bit = 23; // SCI interrupt within GPEx_STS |
| |
| strncpy((char *)ecdt->ec_id, ec_id, strlen(ec_id)); |
| |
| header->checksum = |
| acpi_checksum((void *) ecdt, ecdt_len); |
| |
| return header->length; |
| } |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| /* Local APICs */ |
| current = acpi_create_madt_lapics(current); |
| |
| /* IOAPIC */ |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 2, IO_APIC_ADDR, 0); |
| |
| /* INT_SRC_OVR */ |
| 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, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH); |
| |
| /* LAPIC_NMI */ |
| current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *) |
| current, 0, 0x0005, 0x01); |
| current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *) |
| current, 1, 0x0005, 0x01); |
| |
| return current; |
| } |
| |
| #define ALIGN_CURRENT current = (ALIGN(current, 16)) |
| unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp) |
| { |
| unsigned long current; |
| acpi_header_t *ecdt; |
| |
| current = start; |
| |
| /* Align ACPI tables to 16byte */ |
| ALIGN_CURRENT; |
| |
| printk(BIOS_DEBUG, "ACPI: * ECDT\n"); |
| ecdt = (acpi_header_t *)current; |
| current += acpi_create_ecdt((acpi_ecdt_t *)current); |
| ALIGN_CURRENT; |
| acpi_add_table(rsdp, ecdt); |
| |
| printk(BIOS_DEBUG, "current = %lx\n", current); |
| return current; |
| } |