| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2000 AG Electronics Ltd. |
| * Copyright (C) 2003-2004 Linux Networx |
| * Copyright (C) 2004 Tyan |
| * |
| * 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.h> |
| #include <stdint.h> |
| #include "pc87417.h" |
| |
| void pc87417_disable_dev(pnp_devfn_t dev) |
| { |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| } |
| |
| void pc87417_enable_dev(pnp_devfn_t dev) |
| { |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void xbus_cfg(pnp_devfn_t dev) |
| { |
| u8 i; |
| u16 xbus_index; |
| |
| pnp_set_logical_device(dev); |
| /* Select proper BIOS size (4MB). */ |
| pnp_write_config(dev, PC87417_XMEMCNF2, |
| (pnp_read_config(dev, PC87417_XMEMCNF2)) | 0x04); |
| xbus_index = pnp_read_iobase(dev, 0x60); |
| |
| /* Enable writes to devices attached to XCS0 (XBUS Chip Select 0). */ |
| for (i = 0; i <= 0xf; i++) |
| outb((i << 4), xbus_index + PC87417_HAP0); |
| } |