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path: root/src/southbridge/amd/sb700/pmio.c
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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; 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */


#include <arch/io.h>	/*inb, outb*/
#include "pmio.h"

static void pmio_write_index(u16 port_base, u8 reg, u8 value)
{
	outb(reg, port_base);
	outb(value, port_base + 1);
}

static u8 pmio_read_index(u16 port_base, u8 reg)
{
	outb(reg, port_base);
	return inb(port_base + 1);
}

void pm_iowrite(u8 reg, u8 value)
{
	pmio_write_index(PM_INDEX, reg, value);
}

u8 pm_ioread(u8 reg)
{
	return pmio_read_index(PM_INDEX, reg);
}

void pm2_iowrite(u8 reg, u8 value)
{
	pmio_write_index(PM2_INDEX, reg, value);
}

u8 pm2_ioread(u8 reg)
{
	return pmio_read_index(PM2_INDEX, reg);
}