summaryrefslogtreecommitdiff
path: root/src/mainboard/thomson/ip1000/mainboard.c
blob: 381e1f80745f9a32a3905ba4bcc77d2e905d863c (plain)
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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org>
 * Copyright (C) 2010 Stefan Reinauer <stepan@openbios.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; 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 <delay.h>
#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
#include <x86emu/x86emu.h>
#endif
#include <arch/io.h>

// setting the bit disables the led.
#define PARPORT_GPIO_LED_GREEN	(1 << 0)
#define PARPORT_GPIO_LED_ORANGE	(1 << 1)
#define PARPORT_GPIO_LED_RED	(1 << 2)
#define PARPORT_GPIO_IR_PORT	(1 << 6)

static u8 get_parport_gpio(void)
{
	return inb(0x378);
}

static void set_parport_gpio(u8 gpios)
{
	outb(gpios, 0x378);
}

static void parport_gpios(void)
{
	u8 pp_gpios = get_parport_gpio();

	/* disable red led */
	pp_gpios |= PARPORT_GPIO_LED_RED;
	set_parport_gpio(pp_gpios);

	pp_gpios = get_parport_gpio();

	printk(BIOS_DEBUG, "IP1000 GPIOs:\n");
	printk(BIOS_DEBUG, "  GPIO mask:  %02x\n", pp_gpios);
	printk(BIOS_DEBUG, "  green led:  %s\n",
			(pp_gpios & PARPORT_GPIO_LED_GREEN) ? "off" : "on");
	printk(BIOS_DEBUG, "  orange led: %s\n",
			(pp_gpios & PARPORT_GPIO_LED_ORANGE) ? "off" : "on");
	printk(BIOS_DEBUG, "  red led:    %s\n",
			(pp_gpios & PARPORT_GPIO_LED_RED) ? "off" : "on");
	printk(BIOS_DEBUG, "  IR port:    %s\n",
			(pp_gpios & PARPORT_GPIO_IR_PORT) ? "off" : "on");
}

static void flash_gpios(void)
{
	u8 manufacturer_id = read8(0xffbc0000);
	u8 device_id = read8(0xffbc0001);

	if ((manufacturer_id == 0x20) &&
		((device_id == 0x2c) || (device_id == 0x2d))) {
		printk(BIOS_DEBUG, "Detected ST M50FW0%c0 flash:\n",
				(device_id==0x2c)?'4':'8');
		u8 fgpi = read8(0xffbc0100);
		printk(BIOS_DEBUG, "  FGPI0 [%c] FGPI1 [%c] FGPI2 [%c] FGPI3 [%c] FGPI4 [%c]\n",
			(fgpi & (1 << 0)) ? 'X' : ' ',
			(fgpi & (1 << 1)) ? 'X' : ' ',
			(fgpi & (1 << 2)) ? 'X' : ' ',
			(fgpi & (1 << 3)) ? 'X' : ' ',
			(fgpi & (1 << 4)) ? 'X' : ' ');
	} else {
		printk(BIOS_DEBUG, "No ST M50FW040/M50FW080 flash, don't read FGPI.\n");
	}
}


#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
static int int15_handler(void)
{
#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)

	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
			  __func__, M.x86.R_AX, M.x86.R_BX, M.x86.R_CX, M.x86.R_DX);

	switch (M.x86.R_AX) {
	case 0x5f35: /* Boot Display */
		M.x86.R_AX = 0x005f; // Success
		//M.x86.R_CL = BOOT_DISPLAY_TV2;
		M.x86.R_CL = BOOT_DISPLAY_DEFAULT;
		break;
	case 0x5f36: /* Boot TV Format Hook */
		printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n");
		/* Interrupt was not handled */
		return 0;
	case 0x5f31: /* Post Completion Hook */
	case 0x5f33: /* Hook After Mode Set */
	case 0x5f34: /* Set Panel Fitting Hook */
	case 0x5f38: /* Hook Before Mode Set */
	case 0x5f45: /* Hook Before VESA VBE/DDC */
	case 0x5f46: /* Hook Before VESA VBE/PM */
	case 0x5f47: /* Notif Display Switch Hook */
	case 0x5f65: /* Local Memory Initialization Hook */
		/* Interrupt was not handled */
		return 0;
	default:
		/* Interrupt was not handled */
		return 0;
	}

	/* Interrupt handled */
	return 1;
}
#endif

static void mainboard_init(device_t dev)
{
	parport_gpios();
	flash_gpios();
}

static void mainboard_enable(device_t dev)
{
	dev->ops->init = mainboard_init;
#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
	/* Install custom int15 handler for VGA OPROM */
	mainboard_interrupt_handlers(0x15, &int15_handler);
#endif
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};