1 /* $NetBSD: boot_device.c,v 1.1 2005/12/29 15:20:09 tsutsui 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/types.h> 40 #include <machine/sbd.h> 41 #include "common.h" 42 43 /* 44 * Get boot device and unit number. IPL sets it. 45 */ 46 void __nvsram_type_a(int *, int *); 47 void __nvsram_type_b(int *, int *); 48 void __nvsram_type_c(int *, int *); 49 void __nvsram_type_d(int *, int *); 50 void __nvsram_type_e(int *, int *); 51 52 void (*tab[])(int *, int *) = { 53 __nvsram_type_c, /* ER */ 54 __nvsram_type_a, /* TR */ 55 __nvsram_type_a, /* SR */ 56 __nvsram_type_b, /* TR+2D */ 57 __nvsram_type_b, /* TR+3D */ 58 __nvsram_type_c, /* LR */ 59 __nvsram_type_c, /* ER2 */ 60 __nvsram_type_d, /* TR2 */ 61 __nvsram_type_c, /* ER1V */ 62 __nvsram_type_e, /* LRC */ 63 __nvsram_type_c, /* SR2 */ 64 __nvsram_type_d, /* ER+ */ 65 __nvsram_type_c, /* TR2+ */ 66 __nvsram_type_d, /* ER2A */ 67 }; 68 69 void 70 boot_device(int *type, int *unit, int *fd_format) 71 { 72 int i; 73 74 *fd_format = SBD_INFO->fdd == 1 ? FD_FORMAT_2HD : FD_FORMAT_2D; 75 i = SBD_INFO->machine - 0x1010; 76 if (i < sizeof tab / sizeof tab[0]) 77 return tab[i](type, unit); 78 79 return __nvsram_type_e(type, unit); 80 } 81 82 void 83 __nvsram_type_a(int *type, int *unit) 84 { 85 /* TR, SR */ 86 *type = NVSRAM_BOOTDEV_HARDDISK; 87 *unit = 0; 88 } 89 90 void 91 __nvsram_type_b(int *type, int *unit) 92 { 93 /* TR+2D, TR+3D */ 94 *type = NVSRAM_BOOTDEV_HARDDISK; 95 *unit = *(uint8_t *)0xba021808; 96 } 97 98 void 99 __nvsram_type_c(int *type, int *unit) 100 { 101 /* ER, LR, ER2, ER1V, SR2, TR2+ */ 102 *type = NVSRAM_BOOTDEV_HARDDISK; 103 *unit = *(uint8_t *)0xbb012088; 104 } 105 106 void 107 __nvsram_type_d(int *type, int *unit) 108 { 109 /* TR2, ER+, ER2A */ 110 *type = *(uint8_t *)0xbb023030; 111 *unit = *(uint8_t *)0xbb023034; 112 } 113 114 void 115 __nvsram_type_e(int *type, int *unit) 116 { 117 /* LRC, TR2A, LER, LER_L, LER_H, MUS, LT, LT_L ... */ 118 *type = *(uint8_t *)0xbe493030; 119 *unit = *(uint8_t *)0xbe493034; 120 } 121