blob: cb3e2f0ae518da1c7a03b3ed8ad65e82060e27f8 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <console/console.h>
#include <reset.h>
#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AMDK8)
#include <northbridge/amd/amdk8/amdk8.h>
#else /* CONFIG_NORTHBRIDGE_AMD_AMDFAM10 */
#include <northbridge/amd/amdfam10/amdfam10.h>
#endif
#include "mcp55.h"
void do_soft_reset(void)
{
set_bios_reset();
/* link reset */
outb(0x02, 0x0cf9);
outb(0x06, 0x0cf9);
}
void do_hard_reset(void)
{
set_bios_reset();
/* full reset */
outb(0x0a, 0x0cf9);
outb(0x0e, 0x0cf9);
}
void enable_fid_change_on_sb(unsigned sbbusn, unsigned sbdn)
{
/* The default value for MCP55 is good. */
/* Set VFSMAF (VID/FID System Management Action Field) to 2. */
}