pciide.c revision 1.2.2.4 1 1.2.2.2 rmind /* $NetBSD: pciide.c,v 1.2.2.4 2011/05/31 03:04:16 rmind Exp $ */
2 1.2.2.2 rmind
3 1.2.2.2 rmind /*-
4 1.2.2.2 rmind * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 1.2.2.2 rmind * All rights reserved.
6 1.2.2.2 rmind *
7 1.2.2.2 rmind * This code is derived from software contributed to The NetBSD Foundation
8 1.2.2.2 rmind * by Tohru Nishimura.
9 1.2.2.2 rmind *
10 1.2.2.2 rmind * Redistribution and use in source and binary forms, with or without
11 1.2.2.2 rmind * modification, are permitted provided that the following conditions
12 1.2.2.2 rmind * are met:
13 1.2.2.2 rmind * 1. Redistributions of source code must retain the above copyright
14 1.2.2.2 rmind * notice, this list of conditions and the following disclaimer.
15 1.2.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.2.2 rmind * notice, this list of conditions and the following disclaimer in the
17 1.2.2.2 rmind * documentation and/or other materials provided with the distribution.
18 1.2.2.2 rmind *
19 1.2.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.2.2.2 rmind * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.2.2.2 rmind * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.2.2.2 rmind * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.2.2.2 rmind * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.2.2.2 rmind * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.2.2.2 rmind * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.2.2.2 rmind * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.2.2.2 rmind * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.2.2.2 rmind * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.2.2.2 rmind * POSSIBILITY OF SUCH DAMAGE.
30 1.2.2.2 rmind */
31 1.2.2.2 rmind
32 1.2.2.2 rmind #include <sys/param.h>
33 1.2.2.2 rmind
34 1.2.2.2 rmind #include <lib/libsa/stand.h>
35 1.2.2.2 rmind
36 1.2.2.2 rmind #include "globals.h"
37 1.2.2.2 rmind
38 1.2.2.3 rmind static int cmdidefix(struct dkdev_ata *);
39 1.2.2.3 rmind
40 1.2.2.2 rmind static uint32_t pciiobase = PCI_XIOBASE;
41 1.2.2.2 rmind
42 1.2.2.2 rmind struct myops {
43 1.2.2.2 rmind int (*chipfix)(struct dkdev_ata *);
44 1.2.2.2 rmind int (*presense)(struct dkdev_ata *, int);
45 1.2.2.2 rmind };
46 1.2.2.3 rmind static struct myops defaultops = { NULL, NULL };
47 1.2.2.2 rmind static struct myops cmdideops = { cmdidefix, NULL };
48 1.2.2.2 rmind static struct myops *myops;
49 1.2.2.2 rmind
50 1.2.2.2 rmind int
51 1.2.2.2 rmind pciide_match(unsigned tag, void *data)
52 1.2.2.2 rmind {
53 1.2.2.2 rmind unsigned v;
54 1.2.2.2 rmind
55 1.2.2.2 rmind v = pcicfgread(tag, PCI_ID_REG);
56 1.2.2.2 rmind switch (v) {
57 1.2.2.2 rmind case PCI_DEVICE(0x1095, 0x0680): /* SiI 0680 IDE */
58 1.2.2.2 rmind myops = &cmdideops;
59 1.2.2.2 rmind return 1;
60 1.2.2.2 rmind case PCI_DEVICE(0x1283, 0x8211): /* ITE 8211 IDE */
61 1.2.2.2 rmind case PCI_DEVICE(0x1106, 0x1571): /* VIA 82C586 IDE */
62 1.2.2.4 rmind case PCI_DEVICE(0x1106, 0x3164): /* VIA VT6410 */
63 1.2.2.2 rmind case PCI_DEVICE(0x10ad, 0x0105): /* Symphony Labs 82C105 IDE */
64 1.2.2.2 rmind case PCI_DEVICE(0x10b8, 0x5229): /* ALi IDE */
65 1.2.2.2 rmind case PCI_DEVICE(0x1191, 0x0008): /* ACARD ATP865 */
66 1.2.2.3 rmind case PCI_DEVICE(0x1191, 0x0009): /* ACARD ATP865A */
67 1.2.2.3 rmind myops = &defaultops;
68 1.2.2.2 rmind return 1;
69 1.2.2.2 rmind }
70 1.2.2.2 rmind return 0;
71 1.2.2.2 rmind }
72 1.2.2.2 rmind
73 1.2.2.2 rmind void *
74 1.2.2.2 rmind pciide_init(unsigned tag, void *data)
75 1.2.2.2 rmind {
76 1.2.2.2 rmind int native, n;
77 1.2.2.2 rmind unsigned val;
78 1.2.2.2 rmind struct dkdev_ata *l;
79 1.2.2.2 rmind
80 1.2.2.2 rmind l = alloc(sizeof(struct dkdev_ata));
81 1.2.2.2 rmind memset(l, 0, sizeof(struct dkdev_ata));
82 1.2.2.2 rmind l->iobuf = allocaligned(512, 16);
83 1.2.2.2 rmind l->tag = tag;
84 1.2.2.2 rmind
85 1.2.2.2 rmind val = pcicfgread(tag, PCI_CLASS_REG);
86 1.2.2.3 rmind native = PCI_CLASS(val) != PCI_CLASS_IDE ||
87 1.2.2.3 rmind (PCI_INTERFACE(val) & 05) != 0;
88 1.2.2.2 rmind if (native) {
89 1.2.2.2 rmind /* native, use BAR 01234 */
90 1.2.2.2 rmind l->bar[0] = pciiobase + (pcicfgread(tag, 0x10) &~ 01);
91 1.2.2.2 rmind l->bar[1] = pciiobase + (pcicfgread(tag, 0x14) &~ 01);
92 1.2.2.2 rmind l->bar[2] = pciiobase + (pcicfgread(tag, 0x18) &~ 01);
93 1.2.2.2 rmind l->bar[3] = pciiobase + (pcicfgread(tag, 0x1c) &~ 01);
94 1.2.2.2 rmind l->bar[4] = pciiobase + (pcicfgread(tag, 0x20) &~ 01);
95 1.2.2.2 rmind l->chan[0].cmd = l->bar[0];
96 1.2.2.2 rmind l->chan[0].ctl = l->chan[0].alt = l->bar[1] | 02;
97 1.2.2.2 rmind l->chan[0].dma = l->bar[4] + 0x0;
98 1.2.2.2 rmind l->chan[1].cmd = l->bar[2];
99 1.2.2.2 rmind l->chan[1].ctl = l->chan[1].alt = l->bar[3] | 02;
100 1.2.2.2 rmind l->chan[1].dma = l->bar[4] + 0x8;
101 1.2.2.2 rmind }
102 1.2.2.2 rmind else {
103 1.2.2.2 rmind /* legacy */
104 1.2.2.2 rmind l->bar[0]= pciiobase + 0x1f0;
105 1.2.2.2 rmind l->bar[1]= pciiobase + 0x3f4;
106 1.2.2.2 rmind l->bar[2]= pciiobase + 0x170;
107 1.2.2.2 rmind l->bar[3]= pciiobase + 0x374;
108 1.2.2.2 rmind l->chan[0].cmd = l->bar[0];
109 1.2.2.2 rmind l->chan[0].ctl = l->chan[0].alt = l->bar[1] | 02;
110 1.2.2.2 rmind l->chan[0].dma = 0;
111 1.2.2.2 rmind l->chan[1].cmd = l->bar[2];
112 1.2.2.2 rmind l->chan[1].ctl = l->chan[1].alt = l->bar[3] | 02;
113 1.2.2.2 rmind l->chan[1].dma = 0;
114 1.2.2.2 rmind }
115 1.2.2.2 rmind
116 1.2.2.2 rmind for (n = 0; n < 2; n++) {
117 1.2.2.2 rmind if (myops->presense && (*myops->presense)(l, n) == 0)
118 1.2.2.2 rmind l->presense[n] = 0; /* found not exist */
119 1.2.2.2 rmind else {
120 1.2.2.2 rmind /* check to see whether soft reset works */
121 1.2.2.2 rmind l->presense[n] = perform_atareset(l, n);
122 1.2.2.2 rmind }
123 1.2.2.2 rmind if (l->presense[n])
124 1.2.2.2 rmind printf("channel %d present\n", n);
125 1.2.2.2 rmind }
126 1.2.2.2 rmind
127 1.2.2.2 rmind /* make sure to have PIO0 */
128 1.2.2.2 rmind if (myops->chipfix)
129 1.2.2.2 rmind (*myops->chipfix)(l);
130 1.2.2.2 rmind
131 1.2.2.2 rmind return l;
132 1.2.2.2 rmind }
133 1.2.2.2 rmind
134 1.2.2.2 rmind static int
135 1.2.2.2 rmind cmdidefix(struct dkdev_ata *l)
136 1.2.2.2 rmind {
137 1.2.2.2 rmind int v;
138 1.2.2.2 rmind
139 1.2.2.2 rmind v = pcicfgread(l->tag, 0x80);
140 1.2.2.2 rmind pcicfgwrite(l->tag, 0x80, (v & ~0xff) | 0x01);
141 1.2.2.2 rmind v = pcicfgread(l->tag, 0x84);
142 1.2.2.2 rmind pcicfgwrite(l->tag, 0x84, (v & ~0xff) | 0x01);
143 1.2.2.2 rmind v = pcicfgread(l->tag, 0xa4);
144 1.2.2.2 rmind pcicfgwrite(l->tag, 0xa4, (v & ~0xffff) | 0x328a);
145 1.2.2.2 rmind v = pcicfgread(l->tag, 0xb4);
146 1.2.2.2 rmind pcicfgwrite(l->tag, 0xb4, (v & ~0xffff) | 0x328a);
147 1.2.2.2 rmind
148 1.2.2.2 rmind return 1;
149 1.2.2.2 rmind }
150