Annotation of sys/arch/armish/stand/boot/pciide.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pciide.c,v 1.3 2006/07/30 20:46:30 drahn Exp $ */
! 2: /* $NetBSD: pciide.c,v 1.5 2005/12/11 12:17:06 christos Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 2003 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by the NetBSD
! 19: * Foundation, Inc. and its contributors.
! 20: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 21: * contributors may be used to endorse or promote products derived
! 22: * from this software without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 34: * POSSIBILITY OF SUCH DAMAGE.
! 35: */
! 36:
! 37: #include <sys/types.h>
! 38:
! 39: #include "libsa.h"
! 40: #include "wdvar.h"
! 41:
! 42: u_int32_t wdc_base_addr = 0;
! 43:
! 44: int
! 45: pciide_init(struct wdc_channel *chp, u_int chan)
! 46: {
! 47: u_int32_t cmdreg, ctlreg;
! 48: int i;
! 49:
! 50: /*
! 51: * two channels per chip, one drive per channel
! 52: */
! 53: if (chan >= PCIIDE_NUM_CHANNELS || wdc_base_addr == 0)
! 54: return (ENXIO);
! 55: chp->ndrives = 1;
! 56:
! 57: DPRINTF(("[pciide] channel: %d\n", chan));
! 58:
! 59: /*
! 60: * XXX map?
! 61: */
! 62: cmdreg = wdc_base_addr + chan * 0x10;
! 63: ctlreg = wdc_base_addr+0x8 + chan * 0x10;
! 64:
! 65: /* set up cmd regsiters */
! 66: chp->c_cmdbase = (u_int8_t *)cmdreg;
! 67: chp->c_data = (u_int16_t *)(cmdreg + wd_data);
! 68: for (i = 0; i < WDC_NPORTS; i++)
! 69: chp->c_cmdreg[i] = chp->c_cmdbase + i;
! 70: /* set up shadow registers */
! 71: chp->c_cmdreg[wd_status] = chp->c_cmdreg[wd_command];
! 72: chp->c_cmdreg[wd_features] = chp->c_cmdreg[wd_precomp];
! 73: /* set up ctl registers */
! 74: chp->c_ctlbase = (u_int8_t *)ctlreg;
! 75:
! 76: return (0);
! 77: }
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