b8f05d4faa
Change-Id: I2efb7ab4b69bcd127b2faf54277dc229c9dcf3ea Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/8078 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins)
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2000 AG Electronics Ltd.
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* Copyright (C) 2003-2004 Linux Networx
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* Copyright (C) 2004 Tyan
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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; either version 2 of the License, or
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* (at your option) any later version.
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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>
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#include <device/pnp.h>
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#include <stdint.h>
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#include "pc87417.h"
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void pc87417_disable_dev(pnp_devfn_t dev)
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{
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0);
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}
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void pc87417_enable_dev(pnp_devfn_t dev)
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{
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 1);
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}
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void xbus_cfg(pnp_devfn_t dev)
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{
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u8 i;
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u16 xbus_index;
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pnp_set_logical_device(dev);
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/* Select proper BIOS size (4MB). */
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pnp_write_config(dev, PC87417_XMEMCNF2,
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(pnp_read_config(dev, PC87417_XMEMCNF2)) | 0x04);
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xbus_index = pnp_read_iobase(dev, 0x60);
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/* Enable writes to devices attached to XCS0 (XBUS Chip Select 0). */
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for (i = 0; i <= 0xf; i++)
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outb((i << 4), xbus_index + PC87417_HAP0);
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}
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