114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/* $NetBSD: boot_device.c,v 1.2 2008/04/28 20:23:18 martin Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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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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*
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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 <machine/sbd.h>
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#include "common.h"
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/*
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* Get boot device and unit number. IPL sets it.
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*/
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void __nvsram_type_a(int *, int *);
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void __nvsram_type_b(int *, int *);
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void __nvsram_type_c(int *, int *);
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void __nvsram_type_d(int *, int *);
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void __nvsram_type_e(int *, int *);
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void (*tab[])(int *, int *) = {
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__nvsram_type_c, /* ER */
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__nvsram_type_a, /* TR */
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__nvsram_type_a, /* SR */
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__nvsram_type_b, /* TR+2D */
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__nvsram_type_b, /* TR+3D */
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__nvsram_type_c, /* LR */
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__nvsram_type_c, /* ER2 */
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__nvsram_type_d, /* TR2 */
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__nvsram_type_c, /* ER1V */
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__nvsram_type_e, /* LRC */
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__nvsram_type_c, /* SR2 */
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__nvsram_type_d, /* ER+ */
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__nvsram_type_c, /* TR2+ */
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__nvsram_type_d, /* ER2A */
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};
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void
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boot_device(int *type, int *unit, int *fd_format)
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{
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int i;
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*fd_format = SBD_INFO->fdd == 1 ? FD_FORMAT_2HD : FD_FORMAT_2D;
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i = SBD_INFO->machine - 0x1010;
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if (i < sizeof tab / sizeof tab[0])
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return tab[i](type, unit);
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return __nvsram_type_e(type, unit);
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}
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void
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__nvsram_type_a(int *type, int *unit)
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{
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/* TR, SR */
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*type = NVSRAM_BOOTDEV_HARDDISK;
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*unit = 0;
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}
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void
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__nvsram_type_b(int *type, int *unit)
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{
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/* TR+2D, TR+3D */
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*type = NVSRAM_BOOTDEV_HARDDISK;
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*unit = *(uint8_t *)0xba021808;
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}
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void
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__nvsram_type_c(int *type, int *unit)
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{
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/* ER, LR, ER2, ER1V, SR2, TR2+ */
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*type = NVSRAM_BOOTDEV_HARDDISK;
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*unit = *(uint8_t *)0xbb012088;
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}
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void
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__nvsram_type_d(int *type, int *unit)
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{
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/* TR2, ER+, ER2A */
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*type = *(uint8_t *)0xbb023030;
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*unit = *(uint8_t *)0xbb023034;
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}
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void
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__nvsram_type_e(int *type, int *unit)
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{
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/* LRC, TR2A, LER, LER_L, LER_H, MUS, LT, LT_L ... */
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*type = *(uint8_t *)0xbe493030;
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*unit = *(uint8_t *)0xbe493034;
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}
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