1 /* $NetBSD: platform.c,v 1.8 2002/05/30 16:10:09 nonaka Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by NONAKA Kimihiro. 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/param.h> 40 #include <sys/systm.h> 41 42 #include <dev/pci/pcivar.h> 43 44 #include <machine/intr.h> 45 #include <machine/platform.h> 46 #include <machine/residual.h> 47 48 static struct platform platform_unknown = { 49 "", /* model */ 50 platform_generic_match, /* match */ 51 prep_pci_get_chipset_tag_indirect, /* pci_setup */ 52 pci_intr_nofixup, /* pci_intr_fixup */ 53 init_intr, /* init_intr */ 54 cpu_setup_unknown, /* cpu_setup */ 55 reset_unknown, /* reset */ 56 obiodevs_nodev, /* obiodevs */ 57 }; 58 59 static struct plattab plattab_unknown = { 60 NULL, 0 61 }; 62 63 const char *obiodevs_nodev[] = { 64 NULL 65 }; 66 67 struct platform *platform = &platform_unknown; 68 69 int 70 ident_platform(void) 71 { 72 struct plattab *p = &plattab_unknown; 73 int matched = -1, match = 0; 74 int i, rv; 75 76 if (res == NULL) 77 return 0; 78 79 if (strncmp(res->VitalProductData.PrintableModel, 80 "IBM", 3) == 0) 81 p = &plattab_ibm; 82 else if (strncmp(res->VitalProductData.PrintableModel, 83 "MOT", 3) == 0) 84 p = &plattab_mot; 85 else if (strncmp(res->VitalProductData.PrintableModel, 86 "BULL ESTRELLA (e0) (e0)", 31) == 0) /* XXX */ 87 p = &plattab_mot; 88 89 for (i = 0; i < p->num; i++) { 90 rv = (*p->platform[i]->match)(p->platform[i]); 91 if (rv > match) { 92 match = rv; 93 matched = i; 94 } 95 } 96 if (match) 97 platform = p->platform[matched]; 98 return match; 99 } 100 101 int 102 platform_generic_match(struct platform *p) 103 { 104 105 if (p == NULL || p->model == NULL) 106 return 0; 107 if (strcmp(res->VitalProductData.PrintableModel, p->model) != 0) 108 return 0; 109 return 1; 110 } 111 112 /* ARGUSED */ 113 void 114 pci_intr_nofixup(int busno, int device, int *intr) 115 { 116 } 117 118 /* ARGUSED */ 119 void 120 cpu_setup_unknown(struct device *dev) 121 { 122 } 123 124 void 125 reset_unknown(void) 126 { 127 } 128 129 void 130 reset_prep_generic(void) 131 { 132 int msr; 133 u_char reg; 134 135 asm volatile("mfmsr %0" : "=r"(msr)); 136 msr |= PSL_IP; 137 asm volatile("mtmsr %0" :: "r"(msr)); 138 139 reg = *(volatile u_char *)(PREP_BUS_SPACE_IO + 0x92); 140 reg &= ~1UL; 141 *(volatile u_char *)(PREP_BUS_SPACE_IO + 0x92) = reg; 142 reg = *(volatile u_char *)(PREP_BUS_SPACE_IO + 0x92); 143 reg |= 1; 144 *(volatile u_char *)(PREP_BUS_SPACE_IO + 0x92) = reg; 145 } 146