73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
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/* $NetBSD: pciide.c,v 1.1 2003/06/25 17:24:22 cdi Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <lib/libsa/stand.h>
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#include <mips/cpuregs.h>
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#include "boot.h"
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#include "wdvar.h"
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int
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pciide_init(chp, unit)
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struct channel_softc *chp;
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u_int8_t *unit;
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{
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u_long bpa, addr;
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int compatchan = 0;
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/*
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* two channels per chip, two drives per channel
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*/
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compatchan = *unit / PCIIDE_CHANNEL_NDEV;
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if (compatchan >= PCIIDE_NUM_CHANNELS)
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return (ENXIO);
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*unit %= PCIIDE_CHANNEL_NDEV;
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DPRINTF(("[pciide] unit: %d, channel: %d\n", *unit, compatchan));
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/*
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* XXX map?
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*/
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bpa = PCIIDE_COMPAT_CMD_BASE(compatchan);
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addr = MIPS_PHYS_TO_KSEG1(bpa);
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if (bpa < 0x10000000)
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addr += 0x10000000;
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chp->c_base = (u_int8_t*)addr;
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chp->c_data = (u_int16_t*)(addr + wd_data);
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return (0);
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}
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