56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 Advanced Micro Devices, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/io.h> /*inb, outb*/
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#include "pmio.h"
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static void pmio_write_index(u16 port_base, u8 reg, u8 value)
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{
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outb(reg, port_base);
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outb(value, port_base + 1);
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}
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static u8 pmio_read_index(u16 port_base, u8 reg)
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{
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outb(reg, port_base);
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return inb(port_base + 1);
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}
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void pm_iowrite(u8 reg, u8 value)
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{
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pmio_write_index(PM_INDEX, reg, value);
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}
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u8 pm_ioread(u8 reg)
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{
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return pmio_read_index(PM_INDEX, reg);
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}
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void pm2_iowrite(u8 reg, u8 value)
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{
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pmio_write_index(PM2_INDEX, reg, value);
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}
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u8 pm2_ioread(u8 reg)
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{
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return pmio_read_index(PM2_INDEX, reg);
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}
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