| /* |
| * 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_ops.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); |
| } |