diff options
Diffstat (limited to 'src/southbridge/intel/common/madt.c')
-rw-r--r-- | src/southbridge/intel/common/madt.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/madt.c b/src/southbridge/intel/common/madt.c new file mode 100644 index 0000000000..238e3c80cb --- /dev/null +++ b/src/southbridge/intel/common/madt.c @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 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. + */ + +#include <arch/acpi.h> +#include <arch/ioapic.h> +#include <arch/smp/mpspec.h> + +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); + + return current; +} |