1 /* $NetBSD: boot_device.c,v 1.2 2008/04/28 20:23:18 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/types.h> 33 #include <machine/sbd.h> 34 #include "common.h" 35 36 /* 37 * Get boot device and unit number. IPL sets it. 38 */ 39 void __nvsram_type_a(int *, int *); 40 void __nvsram_type_b(int *, int *); 41 void __nvsram_type_c(int *, int *); 42 void __nvsram_type_d(int *, int *); 43 void __nvsram_type_e(int *, int *); 44 45 void (*tab[])(int *, int *) = { 46 __nvsram_type_c, /* ER */ 47 __nvsram_type_a, /* TR */ 48 __nvsram_type_a, /* SR */ 49 __nvsram_type_b, /* TR+2D */ 50 __nvsram_type_b, /* TR+3D */ 51 __nvsram_type_c, /* LR */ 52 __nvsram_type_c, /* ER2 */ 53 __nvsram_type_d, /* TR2 */ 54 __nvsram_type_c, /* ER1V */ 55 __nvsram_type_e, /* LRC */ 56 __nvsram_type_c, /* SR2 */ 57 __nvsram_type_d, /* ER+ */ 58 __nvsram_type_c, /* TR2+ */ 59 __nvsram_type_d, /* ER2A */ 60 }; 61 62 void 63 boot_device(int *type, int *unit, int *fd_format) 64 { 65 int i; 66 67 *fd_format = SBD_INFO->fdd == 1 ? FD_FORMAT_2HD : FD_FORMAT_2D; 68 i = SBD_INFO->machine - 0x1010; 69 if (i < sizeof tab / sizeof tab[0]) 70 return tab[i](type, unit); 71 72 return __nvsram_type_e(type, unit); 73 } 74 75 void 76 __nvsram_type_a(int *type, int *unit) 77 { 78 /* TR, SR */ 79 *type = NVSRAM_BOOTDEV_HARDDISK; 80 *unit = 0; 81 } 82 83 void 84 __nvsram_type_b(int *type, int *unit) 85 { 86 /* TR+2D, TR+3D */ 87 *type = NVSRAM_BOOTDEV_HARDDISK; 88 *unit = *(uint8_t *)0xba021808; 89 } 90 91 void 92 __nvsram_type_c(int *type, int *unit) 93 { 94 /* ER, LR, ER2, ER1V, SR2, TR2+ */ 95 *type = NVSRAM_BOOTDEV_HARDDISK; 96 *unit = *(uint8_t *)0xbb012088; 97 } 98 99 void 100 __nvsram_type_d(int *type, int *unit) 101 { 102 /* TR2, ER+, ER2A */ 103 *type = *(uint8_t *)0xbb023030; 104 *unit = *(uint8_t *)0xbb023034; 105 } 106 107 void 108 __nvsram_type_e(int *type, int *unit) 109 { 110 /* LRC, TR2A, LER, LER_L, LER_H, MUS, LT, LT_L ... */ 111 *type = *(uint8_t *)0xbe493030; 112 *unit = *(uint8_t *)0xbe493034; 113 } 114