summaryrefslogtreecommitdiff
path: root/src/mainboard/roda/rk9/mainboard.c
blob: 33e6bde566f7a4dbd07c640dc30f4eda1db3bf95 (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 secunet Security Networks AG
 *
 * 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 <stdint.h>
#include <stdlib.h>
#include <arch/io.h>
//#include <pc80/mc146818rtc.h>
#include <device/device.h>
#include <console/console.h>
#if CONFIG_VGA_ROM_RUN
#include <arch/interrupt.h>
#include <x86emu/x86emu.h>
#endif
#include <pc80/keyboard.h>
#include <ec/acpi/ec.h>
#include "hda_verb.h"

#if CONFIG_GENERATE_ACPI_TABLES
#include "cstates.c" /* Include it, as the linker won't find
			the overloaded weak function in there. */
#endif


#if CONFIG_VGA_ROM_RUN
static int int15_handler(void)
{
	enum {
		BOOT_DISPLAY_DEFAULT	 = 0,
		BOOT_DISPLAY_CRT	 = (1 << 0),
		BOOT_DISPLAY_TV		 = (1 << 1),
		BOOT_DISPLAY_EFP	 = (1 << 2),
		BOOT_DISPLAY_LFP	 = (1 << 3),
		BOOT_DISPLAY_CRT2	 = (1 << 4),
		BOOT_DISPLAY_TV2	 = (1 << 5),
		BOOT_DISPLAY_EFP2	 = (1 << 6),
		BOOT_DISPLAY_LFP2	 = (1 << 7),
	};
	enum {
		PANEL_FIT_DEFAULT	= 0,
		PANEL_FIT_CENTERING	= (1 << 0),
		PANEL_FIT_TXT_STRETCH	= (1 << 1),
		PANEL_FIT_GFX_STRETCH	= (1 << 2),
	};

	switch (X86_AX) {
	case 0x5f34:
		/* Set Panel Fitting Hook */
		X86_AX = 0x005f;
		X86_CX = PANEL_FIT_CENTERING;
		break;
	case 0x5f35:
		/* Boot Display Device Hook */
		X86_AX = 0x005f;
		X86_CX = BOOT_DISPLAY_DEFAULT; /* Select automatically. */
		break;
	case 0x5f40:
		/* Boot Panel Type Hook */
		/* Contrary to what EMGD's user's guide says,
		   this _alters_ the behavior of the Video BIOS. */
		/* LCD panel type is SIO GPIO40-43.
		   It's controlled by a DIP switch but was always
		   set to 4 while only values of 5 and 6 worked. */
		X86_AX = 0x005f;
		X86_CX = (inb(0x60f) & 0x0f) + 1;
		break;
	case 0x5f70:
		/* Sandybridge boards return 0 here. */
	case 0x5f14:
	case 0x5f21:
	case 0x5f22:
	case 0x5f49:
		/* No documentation found. */
	default:
		/* Interrupt was not handled. */
		printk(BIOS_DEBUG,
			"%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", __func__,
			X86_AX, X86_BX, X86_CX, X86_DX);
		return 0;
	}

	/* Interrupt handled. */
	return 1;
}

#endif

static void verb_setup(void)
{
	cim_verb_data = mainboard_cim_verb_data;
	cim_verb_data_size = sizeof(mainboard_cim_verb_data);
	pc_beep_verbs = mainboard_pc_beep_verbs;
	pc_beep_verbs_size = ARRAY_SIZE(mainboard_pc_beep_verbs);
}

static void ec_setup(void)
{
	/* Thermal limits?  Values are from ectool's ram dump. */
	ec_write(0xd1, 0x57); /* CPUH */
	ec_write(0xd2, 0xc9); /* CPUL */
	ec_write(0xd4, 0x64); /* SYSH */
	ec_write(0xd5, 0xc9); /* SYSL */

	send_ec_command(0x04); /* Set_SMI_Enable */
	send_ec_command(0xab); /* Set_ACPI_Disable */
	send_ec_command(0xac); /* Clr_SYS_Flag? well, why not? */
	send_ec_command(0xad); /* Set_Thml_Value */
}

static void mainboard_enable(device_t dev)
{
	ec_setup();
	verb_setup();
#if CONFIG_VGA_ROM_RUN
	/* Install custom int15 handler for VGA OPROM */
	mainboard_interrupt_handlers(0x15, &int15_handler);
#endif

	/* We have no driver for the embedded controller since the firmware
	   does most of the job. Hence, initialize keyboards here. */
	pc_keyboard_init(NULL);
}

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