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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2007 AMD
* (Written by Yinghai Lu <yinghai.lu@amd.com> for AMD)
* Copyright (C) 2007 Ward Vandewege <ward@gnu.org>
*
* 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 <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include <arch/io.h>
#include <stdlib.h>
#include "chip.h"
#include "it8716f.h"
static void pnp_enter_ext_func_mode(device_t dev)
{
u16 port = dev->path.pnp.port;
outb(0x87, port);
outb(0x01, port);
outb(0x55, port);
outb((port == 0x4e) ? 0xaa : 0x55, port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
pnp_write_config(dev, 0x02, 0x02);
}
#if !CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
static void pnp_write_index(u16 port_base, u8 reg, u8 value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
static u8 pnp_read_index(u16 port_base, u8 reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
static void init_ec(u16 base)
{
u8 value;
/* Read out current value of FAN_CTL (0x14). */
value = pnp_read_index(base, 0x14);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\n",
base + 0x14, value);
/* Set FAN_CTL (0x14) polarity to high, activate fans 1, 2 and 3. */
pnp_write_index(base, 0x14, value | 0x87);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\n",
base + 0x14, value | 0x87);
}
#endif
static void it8716f_init(device_t dev)
{
struct superio_ite_it8716f_config *conf = dev->chip_info;
struct resource *res0;
if (!dev->enabled)
return;
/* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
switch (dev->path.pnp.device) {
case IT8716F_EC:
res0 = find_resource(dev, PNP_IDX_IO0);
#define EC_INDEX_PORT 5
init_ec(res0->base + EC_INDEX_PORT);
break;
case IT8716F_KBCK:
pc_keyboard_init(&conf->keyboard);
break;
}
}
static void it8716f_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, !!dev->enabled);
pnp_exit_ext_func_mode(dev);
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = it8716f_pnp_set_resources,
.enable_resources = it8716f_pnp_enable_resources,
.enable = it8716f_pnp_enable,
.init = it8716f_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07ff, 4}, },
{ &ops, IT8716F_KBCM, PNP_IRQ0, },
{ &ops, IT8716F_GPIO, PNP_IO1 | PNP_IO2, {0, 0}, {0x07f8, 0}, {0x07f8, 0}, },
{ &ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x07fe, 4}, },
{ &ops, IT8716F_GAME, PNP_IO0, {0x07ff, 0}, },
{ &ops, IT8716F_IR, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8716f_ops = {
CHIP_NAME("ITE IT8716F Super I/O")
.enable_dev = enable_dev,
};
|
