1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* (C) Copyright 2004 Nick Barker <nick.barker9@btinternet.com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/* vt1211 routines and defines*/
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include <uart8250.h>
#include "vt1211.h"
#include "chip.h"
static unsigned char vt1211hwmonitorinits[]={
0x10,0x3, 0x11,0x10, 0x12,0xd, 0x13,0x7f,
0x14,0x21, 0x15,0x81, 0x16,0xbd, 0x17,0x8a,
0x18,0x0, 0x19,0x0, 0x1a,0x0, 0x1b,0x0,
0x1d,0xff, 0x1e,0x0, 0x1f,0x73, 0x20,0x67,
0x21,0xc1, 0x22,0xca, 0x23,0x74, 0x24,0xc2,
0x25,0xc7, 0x26,0xc9, 0x27,0x7f, 0x29,0x0,
0x2a,0x0, 0x2b,0xff, 0x2c,0x0, 0x2d,0xff,
0x2e,0x0, 0x2f,0xff, 0x30,0x0, 0x31,0xff,
0x32,0x0, 0x33,0xff, 0x34,0x0, 0x39,0xff,
0x3a,0x0, 0x3b,0xff, 0x3c,0xff, 0x3d,0xff,
0x3e,0x0, 0x3f,0xb0, 0x43,0xff, 0x44,0xff,
0x46,0xff, 0x47,0x50, 0x4a,0x3, 0x4b,0xc0,
0x4c,0x0, 0x4d,0x0, 0x4e,0xf, 0x5d,0x77,
0x5c,0x0, 0x5f,0x33, 0x40,0x1};
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.u.pnp.port);
outb(0x87, dev->path.u.pnp.port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
outb(0xaa, dev->path.u.pnp.port);
}
static void vt1211_set_iobase(device_t dev, unsigned index, unsigned iobase)
{
switch (dev->path.u.pnp.device) {
case VT1211_FDC:
case VT1211_PP:
case VT1211_SP1:
case VT1211_SP2:
pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff);
break;
case VT1211_HWM:
default:
pnp_write_config(dev, index + 0, (iobase >> 8) & 0xff);
pnp_write_config(dev, index + 1, iobase & 0xff);
break;
}
}
static void init_hwm(unsigned long base)
{
int i;
// initialize vt1211 hardware monitor registers, which are at 0xECXX
for(i = 0; i < sizeof(vt1211hwmonitorinits); i += 2) {
outb(vt1211hwmonitorinits[i + 1],
base + vt1211hwmonitorinits[i]);
}
}
static void vt1211_init(struct device *dev)
{
struct superio_via_vt1211_config *conf = dev->chip_info;
struct resource *res0;
if (!dev->enabled) {
return;
}
switch (dev->path.u.pnp.device) {
case VT1211_FDC:
case VT1211_PP:
break;
case VT1211_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case VT1211_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case VT1211_HWM:
res0 = find_resource(dev, PNP_IDX_IO0);
init_hwm(res0->base);
break;
default:
printk_info("vt1211 asked to initialise unknown device!\n");
}
}
void vt1211_pnp_enable_resources(device_t dev)
{
printk_debug("%s - enabling\n",dev_path(dev));
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
pnp_exit_ext_func_mode(dev);
}
void vt1211_pnp_set_resources(struct device *dev)
{
int i;
struct resource *resource;
#if CONFIG_CONSOLE_SERIAL8250 == 1
if( dev->path.u.pnp.device == 2 ){
for( i = 0 ; i < dev->resources; i++){
resource = &dev->resource[i];
resource->flags |= IORESOURCE_STORED;
report_resource_stored(dev, resource, "");
}
return;
}
#endif
pnp_enter_ext_func_mode(dev);
/* Select the device */
pnp_set_logical_device(dev);
/* Paranoia says I should disable the device here... */
for(i = 0; i < dev->resources; i++) {
resource = &dev->resource[i];
if (!(resource->flags & IORESOURCE_ASSIGNED)) {
printk_err("ERROR: %s %02x %s size: 0x%010Lx not assigned\n",
dev_path(dev), dev->resource->index,
resource_type(resource),
resource->size);
continue;
}
/* Now store the resource */
if (resource->flags & IORESOURCE_IO) {
vt1211_set_iobase(dev, resource->index, resource->base);
}
else if (resource->flags & IORESOURCE_DRQ) {
pnp_set_drq(dev, resource->index, resource->base);
}
else if (resource->flags & IORESOURCE_IRQ) {
pnp_set_irq(dev, resource->index, resource->base);
}
else {
printk_err("ERROR: %s %02x unknown resource type\n",
dev_path(dev), resource->index);
return;
}
resource->flags |= IORESOURCE_STORED;
report_resource_stored(dev, resource, "");
}
pnp_exit_ext_func_mode(dev);
}
void vt1211_pnp_enable(device_t dev)
{
if (!dev->enabled) {
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_exit_ext_func_mode(dev);
}
}
struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = vt1211_pnp_set_resources,
.enable_resources = vt1211_pnp_enable_resources,
.enable = vt1211_pnp_enable,
.init = vt1211_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, VT1211_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, VT1211_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, VT1211_SP1, PNP_IO0 | PNP_IRQ0, { 0x07f8, 0}, },
{ &ops, VT1211_SP2, PNP_IO0 | PNP_IRQ0, { 0x07f8, 0}, },
{ &ops, VT1211_HWM, PNP_IO0 , { 0xff00, 0 }, },
};
static void enable_dev(struct device *dev)
{
printk_debug("vt1211 enabling PNP devices.\n");
pnp_enable_devices(dev,
&ops,
sizeof(pnp_dev_info) / sizeof(pnp_dev_info[0]),
pnp_dev_info);
}
struct chip_operations superio_via_vt1211_ops = {
CHIP_NAME("VIA vt1211")
.enable_dev = enable_dev,
};
|
