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/*
* 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 <reset.h>
#include "mcp55.h"
static unsigned get_sbdn(unsigned bus)
{
pci_devfn_t dev;
/* Find the device. */
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
return (dev >> 15) & 0x1f;
}
void soft_reset(void)
{
set_bios_reset();
/* link reset */
outb(0x02, 0x0cf9);
outb(0x06, 0x0cf9);
}
void 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. */
}
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