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/*
* ACPI support
* written by Stefan Reinauer <stepan@openbios.org>
* (C) 2005 Stefan Reinauer
*
*
* Copyright 2005 AMD
* 2005.9 yhlu modify that to more dynamic for AMD Opteron Based MB
*/
#include <arch/acpi.h>
#include <arch/smp/mpspec.h>
#include <device/pci.h>
#include <assert.h>
/* APIC */
unsigned long acpi_fill_madt(unsigned long current)
{
device_t dev;
struct resource *res;
/* create all subtables for processors */
current = acpi_create_madt_lapics(current);
/* Write NVIDIA CK804 IOAPIC. */
dev = dev_find_slot(0x0, PCI_DEVFN(0x1,0));
ASSERT(dev != NULL);
res = find_resource(dev, PCI_BASE_ADDRESS_1);
ASSERT(res != NULL);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current,
CONFIG_MAX_CPUS * CONFIG_MAX_PHYSICAL_CPUS, res->base, 0);
/* Initialize interrupt mapping if mptable.c didn't. */
#if (!CONFIG_GENERATE_MP_TABLE)
#error untested config
pci_write_config32(dev, 0x7c, 0x0120d218);
pci_write_config32(dev, 0x80, 0x12008a00);
pci_write_config32(dev, 0x84, 0x0000007d);
#endif
/* IRQ9 */
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW);
/* create all subtables for processors */
/* acpi_create_madt_lapic_nmis returns current, not size. */
current = acpi_create_madt_lapic_nmis(current,
MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 1);
return current;
}
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