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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2000 AG Electronics Ltd.
* Copyright (C) 2003-2004 Linux Networx
* Copyright (C) 2004 Tyan
* Copyright (C) 2010 Win Enterprises (anishp@win-ent.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
*/
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <string.h>
#include <bitops.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
#include "chip.h"
#include "w83627hf.h"
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.pnp.port);
outb(0x87, dev->path.pnp.port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
outb(0xaa, dev->path.pnp.port);
}
static void pnp_write_index(u16 port, u8 reg, u8 value)
{
outb(reg, port);
outb(value, port + 1);
}
static u8 pnp_read_index(u16 port, u8 reg)
{
outb(reg, port);
return inb(port + 1);
}
#if CONFIG_EXPERT
static void w83627hf_16_bit_addr_qual(device_t dev)
{
u8 reg8;
/* Enable 16 bit address qualification. */
pnp_enter_ext_func_mode(dev);
reg8 = pnp_read_config(dev, 0x24);
reg8 |= (1 << 7);
pnp_write_config(dev, 0x24, reg8);
pnp_exit_ext_func_mode(dev);
}
#endif
static void enable_hwm_smbus(device_t dev)
{
u8 reg8;
/* Configure pins 91/92 as SDA/SCL (I2C bus). */
reg8 = pnp_read_config(dev, 0x2b);
reg8 &= 0x3f;
pnp_write_config(dev, 0x2b, reg8);
}
static void init_acpi(device_t dev)
{
u8 value = 0x20; /* FIXME: The 0x20 value here is never used? */
int power_on = 1;
get_option(&power_on, "power_on_after_fail");
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
value = pnp_read_config(dev, 0xE4);
value &= ~(3 << 5);
if (power_on)
value |= (1 << 5);
pnp_write_config(dev, 0xE4, value);
pnp_exit_ext_func_mode(dev);
}
static void init_hwm(u16 base)
{
u8 reg, value;
int i;
u8 hwm_reg_values[] = {
/* reg mask data */
0x40, 0xff, 0x81, /* Start HWM. */
0x48, 0xaa, 0x2a, /* Set SMBus base to 0x2a (0x54 >> 1). */
0x4a, 0x21, 0x21, /* Set T2 SMBus base to 0x92>>1 and T3 SMBus base to 0x94>>1. */
0x4e, 0x80, 0x00,
0x43, 0x00, 0xff,
0x44, 0x00, 0x3f,
0x4c, 0xbf, 0x18,
0x4d, 0xff, 0x80, /* Turn off beep */
};
for (i = 0; i < ARRAY_SIZE(hwm_reg_values); i += 3) {
reg = hwm_reg_values[i];
value = pnp_read_index(base, reg);
value &= 0xff & hwm_reg_values[i + 1];
value |= 0xff & hwm_reg_values[i + 2];
printk(BIOS_DEBUG, "base = 0x%04x, reg = 0x%02x, "
"value = 0x%02x\n", base, reg, value);
pnp_write_index(base, reg, value);
}
}
static void w83627hf_init(device_t dev)
{
struct superio_winbond_w83627hf_config *conf = dev->chip_info;
struct resource *res0;
if (!dev->enabled)
return;
switch(dev->path.pnp.device) {
case W83627HF_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case W83627HF_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case W83627HF_KBC:
pc_keyboard_init(&conf->keyboard);
break;
case W83627HF_HWM:
res0 = find_resource(dev, PNP_IDX_IO0);
#define HWM_INDEX_PORT 5
init_hwm(res0->base + HWM_INDEX_PORT);
break;
case W83627HF_ACPI:
init_acpi(dev);
break;
}
}
static void w83627hf_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void w83627hf_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
switch(dev->path.pnp.device) {
case W83627HF_HWM:
printk(BIOS_DEBUG, "W83627HF HWM SMBus enabled\n");
enable_hwm_smbus(dev);
break;
}
pnp_exit_ext_func_mode(dev);
}
static void w83627hf_pnp_enable(device_t dev)
{
if (dev->enabled)
return;
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_exit_ext_func_mode(dev);
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = w83627hf_pnp_set_resources,
.enable_resources = w83627hf_pnp_enable_resources,
.enable = w83627hf_pnp_enable,
.init = w83627hf_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, W83627HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, W83627HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, W83627HF_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83627HF_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83627HF_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
{ &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07fe, 4}, },
{ &ops, W83627HF_GPIO2, },
{ &ops, W83627HF_GPIO3, },
{ &ops, W83627HF_ACPI, },
{ &ops, W83627HF_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_winbond_w83627hf_ops = {
CHIP_NAME("Winbond W83627HF Super I/O")
.enable_dev = enable_dev,
};
|
