pciide.c revision 1.8
1 /* $NetBSD: pciide.c,v 1.8 2011/11/01 16:32:57 phx Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tohru Nishimura. 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/param.h> 33 34 #include <lib/libsa/stand.h> 35 36 #include "globals.h" 37 38 static int cmdidefix(struct dkdev_ata *); 39 static int apoidefix(struct dkdev_ata *); 40 41 static uint32_t pciiobase = PCI_XIOBASE; 42 43 struct myops { 44 int (*chipfix)(struct dkdev_ata *); 45 int (*presense)(struct dkdev_ata *, int); 46 }; 47 static struct myops defaultops = { NULL, NULL }; 48 static struct myops cmdideops = { cmdidefix, NULL }; 49 static struct myops apoideops = { apoidefix, NULL }; 50 static struct myops *myops; 51 52 int 53 pciide_match(unsigned tag, void *data) 54 { 55 unsigned v; 56 57 v = pcicfgread(tag, PCI_ID_REG); 58 switch (v) { 59 case PCI_DEVICE(0x1095, 0x0680): /* SiI 0680 IDE */ 60 myops = &cmdideops; 61 return 1; 62 case PCI_DEVICE(0x1106, 0x0571): /* VIA 82C586A IDE */ 63 case PCI_DEVICE(0x1106, 0x1571): /* VIA 82C586 IDE */ 64 case PCI_DEVICE(0x1106, 0x3164): /* VIA VT6410 RAID IDE */ 65 myops = &apoideops; 66 return 1; 67 case PCI_DEVICE(0x1283, 0x8211): /* ITE 8211 IDE */ 68 case PCI_DEVICE(0x10ad, 0x0105): /* Symphony Labs 82C105 IDE */ 69 case PCI_DEVICE(0x10b8, 0x5229): /* ALi IDE */ 70 case PCI_DEVICE(0x1191, 0x0008): /* ACARD ATP865 */ 71 case PCI_DEVICE(0x1191, 0x0009): /* ACARD ATP865A */ 72 myops = &defaultops; 73 return 1; 74 } 75 return 0; 76 } 77 78 void * 79 pciide_init(unsigned tag, void *data) 80 { 81 int native, n; 82 unsigned val; 83 struct dkdev_ata *l; 84 85 l = alloc(sizeof(struct dkdev_ata)); 86 memset(l, 0, sizeof(struct dkdev_ata)); 87 l->iobuf = allocaligned(512, 16); 88 l->tag = tag; 89 90 /* chipset specific fixes */ 91 if (myops->chipfix) 92 if (!(*myops->chipfix)(l)) 93 return NULL; 94 95 val = pcicfgread(tag, PCI_CLASS_REG); 96 native = PCI_CLASS(val) != PCI_CLASS_IDE || 97 (PCI_INTERFACE(val) & 05) != 0; 98 99 if (native) { 100 /* native, use BAR 01234 */ 101 l->bar[0] = pciiobase + (pcicfgread(tag, 0x10) &~ 01); 102 l->bar[1] = pciiobase + (pcicfgread(tag, 0x14) &~ 01); 103 l->bar[2] = pciiobase + (pcicfgread(tag, 0x18) &~ 01); 104 l->bar[3] = pciiobase + (pcicfgread(tag, 0x1c) &~ 01); 105 l->bar[4] = pciiobase + (pcicfgread(tag, 0x20) &~ 01); 106 l->chan[0].cmd = l->bar[0]; 107 l->chan[0].ctl = l->chan[0].alt = l->bar[1] | 02; 108 l->chan[0].dma = l->bar[4] + 0x0; 109 l->chan[1].cmd = l->bar[2]; 110 l->chan[1].ctl = l->chan[1].alt = l->bar[3] | 02; 111 l->chan[1].dma = l->bar[4] + 0x8; 112 } 113 else { 114 /* legacy */ 115 l->bar[0]= pciiobase + 0x1f0; 116 l->bar[1]= pciiobase + 0x3f4; 117 l->bar[2]= pciiobase + 0x170; 118 l->bar[3]= pciiobase + 0x374; 119 l->chan[0].cmd = l->bar[0]; 120 l->chan[0].ctl = l->chan[0].alt = l->bar[1] | 02; 121 l->chan[0].dma = 0; 122 l->chan[1].cmd = l->bar[2]; 123 l->chan[1].ctl = l->chan[1].alt = l->bar[3] | 02; 124 l->chan[1].dma = 0; 125 } 126 127 for (n = 0; n < 2; n++) { 128 if (myops->presense && (*myops->presense)(l, n) == 0) 129 l->presense[n] = 0; /* found not exist */ 130 else { 131 /* check to see whether soft reset works */ 132 l->presense[n] = perform_atareset(l, n); 133 } 134 if (l->presense[n]) 135 printf("channel %d present\n", n); 136 } 137 138 return l; 139 } 140 141 static int 142 cmdidefix(struct dkdev_ata *l) 143 { 144 unsigned v; 145 146 v = pcicfgread(l->tag, 0x80); 147 pcicfgwrite(l->tag, 0x80, (v & ~0xff) | 0x01); 148 v = pcicfgread(l->tag, 0x84); 149 pcicfgwrite(l->tag, 0x84, (v & ~0xff) | 0x01); 150 v = pcicfgread(l->tag, 0xa4); 151 pcicfgwrite(l->tag, 0xa4, (v & ~0xffff) | 0x328a); 152 v = pcicfgread(l->tag, 0xb4); 153 pcicfgwrite(l->tag, 0xb4, (v & ~0xffff) | 0x328a); 154 155 return 1; 156 } 157 158 static int 159 apoidefix(struct dkdev_ata *l) 160 { 161 unsigned v; 162 163 /* enable primary and secondary channel */ 164 v = pcicfgread(l->tag, 0x40) & ~0x03; 165 pcicfgwrite(l->tag, 0x40, v | 0x03); 166 167 return 1; 168 } 169
Indexes created Tue Sep 30 20:09:53 GMT 2025