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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* 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; version 2 of
* the License.
*
* 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 <console/console.h>
#include <device/device.h>
#include <arch/io.h>
#include <arch/interrupt.h>
#include <delay.h>
#if CONFIG_VGA_ROM_RUN
#include <x86emu/x86emu.h>
#endif
#include <ec/acpi/ec.h>
#include "m3885.h"
#define DUMP_RUNTIME_REGISTERS 0
static void backlight_enable(void)
{
#if 0
// Disabled, don't let the X9511 burn out
int i;
/* P56 is Brightness Up, and it needs a Pulse instead of a
* Level
*/
for (i=0; i < 28; i++) {
//m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_SET|M3885_GPIO_P56);
m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_TOGGLE|M3885_GPIO_P56);
}
#endif
printk(BIOS_DEBUG, "Display I/O: 0x%02x\n", inb(0x60f));
}
#define BOOT_DISPLAY_DEFAULT 0
#define BOOT_DISPLAY_CRT (1 << 0)
#define BOOT_DISPLAY_TV (1 << 1)
#define BOOT_DISPLAY_EFP (1 << 2)
#define BOOT_DISPLAY_LCD (1 << 3)
#define BOOT_DISPLAY_CRT2 (1 << 4)
#define BOOT_DISPLAY_TV2 (1 << 5)
#define BOOT_DISPLAY_EFP2 (1 << 6)
#define BOOT_DISPLAY_LCD2 (1 << 7)
#if CONFIG_VGA_ROM_RUN
static int int15_handler(void)
{
/* This int15 handler is Intel IGD. specific. Other chipsets need other
* handlers. The right way to do this is to move this handler code into
* the mainboard or northbridge code.
* TODO: completely move to mainboards / chipsets.
*/
u8 display_id;
printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
__func__, X86_AX, X86_BX, X86_CX, X86_DX);
switch (X86_AX) {
case 0x5f35: /* Boot Display */
X86_AX = 0x005f; // Success
X86_CL = BOOT_DISPLAY_DEFAULT;
break;
case 0x5f40: /* Boot Panel Type */
/* LCD panel type is SIO GPIO40-43 */
// display_id = inb(0x60f) & 0x0f;
display_id = 3;
// M.x86.R_AX = 0x015f; // Supported but failed
X86_AX = 0x005f; // Success
X86_CL = display_id;
printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
break;
default:
/* Interrupt was not handled */
printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
return 0;
}
/* Interrupt handled */
return 1;
}
#endif
#if DUMP_RUNTIME_REGISTERS
static void dump_runtime_registers(void)
{
int i;
printk(BIOS_DEBUG, "SuperIO runtime register block:\n");
for (i=0; i<0x10; i++)
printk(BIOS_DEBUG, "%02x ", i);
printk(BIOS_DEBUG, "\n");
for (i=0; i<0x10; i++)
printk(BIOS_DEBUG, "%02x ", inb(0x600 +i));
printk(BIOS_DEBUG, "\n");
}
#endif
static void mainboard_enable(device_t dev)
{
/* Configure the MultiKey controller */
// m3885_configure_multikey();
/* Enable LCD Backlight */
backlight_enable();
/* Disable Dummy DCC -> GP45 = 1 */
outb(inb(0x60f) | (1 << 5), 0x60f);
#if CONFIG_VGA_ROM_RUN
/* Install custom int15 handler for VGA OPROM */
mainboard_interrupt_handlers(0x15, &int15_handler);
#endif
#if DUMP_RUNTIME_REGISTERS
dump_runtime_registers();
#endif
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
|
