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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
*
* 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 <device/pnp_def.h>
#include "wpcm450.h"
static void wpcm450_pnp_set_logical_device(u8 dev, u16 port)
{
outb(0x7, port);
outb(dev, port+1);
}
static void wpcm450_pnp_set_enable(u8 dev, u16 port, u8 enable)
{
outb(0x30, port);
outb(enable, port+1);
}
static void wpcm450_pnp_set_iobase(u8 dev, u16 port, u8 index, u16 iobase)
{
outb(index, port);
outb((iobase>>8)&0xFF, port+1);
outb(index+1, port);
outb(iobase&0xFF, port+1);
}
void wpcm450_enable_dev(u8 dev, u16 port, u16 iobase)
{
wpcm450_pnp_set_logical_device(dev, port);
wpcm450_pnp_set_enable(dev, port, 0);
if (iobase)
wpcm450_pnp_set_iobase(dev, port, PNP_IDX_IO0, iobase);
wpcm450_pnp_set_enable(dev, port, 1);
}
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