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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2004 Tyan Computer
* Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
*
* 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/io.h>
#include "ck804.h"
static void ck804_enable_rom(void)
{
unsigned char byte;
pci_devfn_t addr;
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
/* Locate the ck804 LPC. */
addr = PCI_DEV(0, (CK804_DEVN_BASE + 1), 0);
/* Set the 4MB enable bit. */
byte = pci_read_config8(addr, 0x88);
byte |= 0x80;
pci_write_config8(addr, 0x88, byte);
}
static void bootblock_southbridge_init(void)
{
ck804_enable_rom();
}
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