src/southbridge/nvidia/ck804/ck804_reset.c


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/*
 * Copyright 2004 Tyan Computer
 *  by yhlu@tyan.com
 */

#include <arch/io.h>

#define PCI_DEV(BUS, DEV, FN) ( \
	(((BUS) & 0xFFF) << 20) | \
	(((DEV) & 0x1F) << 15) | \
	(((FN)  & 0x7) << 12))

typedef unsigned device_t;

static void pci_write_config32(device_t dev, unsigned where, unsigned value)
{
	unsigned addr;
	addr = (dev >> 4) | where;
	outl(0x80000000 | (addr & ~3), 0xCF8);
	outl(value, 0xCFC);
}

static unsigned pci_read_config32(device_t dev, unsigned where)
{
	unsigned addr;
	addr = (dev >> 4) | where;
	outl(0x80000000 | (addr & ~3), 0xCF8);
	return inl(0xCFC);
}

#include "../../../northbridge/amd/amdk8/reset_test.c"

void hard_reset(void)
{
	set_bios_reset();
	/* Try rebooting through port 0xcf9. */
	outb((0 << 3) | (0 << 2) | (1 << 1), 0xcf9);
	outb((0 << 3) | (1 << 2) | (1 << 1), 0xcf9);
}