aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-omap/board.h
blob: a0040cd86639452426f7a715e5f9043237fdc5ed (plain) (blame)
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
/*
 *  linux/include/asm-arm/arch-omap/board.h
 *
 *  Information structures for board-specific data
 *
 *  Copyright (C) 2004	Nokia Corporation
 *  Written by Juha Yrj�l� <juha.yrjola@nokia.com>
 */

#ifndef _OMAP_BOARD_H
#define _OMAP_BOARD_H

#include <linux/config.h>
#include <linux/types.h>

/* Different peripheral ids */
#define OMAP_TAG_CLOCK		0x4f01
#define OMAP_TAG_MMC		0x4f02
#define OMAP_TAG_SERIAL_CONSOLE 0x4f03
#define OMAP_TAG_USB		0x4f04
#define OMAP_TAG_LCD		0x4f05
#define OMAP_TAG_GPIO_SWITCH	0x4f06
#define OMAP_TAG_UART		0x4f07

#define OMAP_TAG_BOOT_REASON    0x4f80
#define OMAP_TAG_FLASH_PART	0x4f81

struct omap_clock_config {
	/* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */
	u8 system_clock_type;
};

struct omap_mmc_conf {
	unsigned enabled:1;
	/* nomux means "standard" muxing is wrong on this board, and that
	 * board-specific code handled it before common init logic.
	 */
	unsigned nomux:1;
	/* switch pin can be for card detect (default) or card cover */
	unsigned cover:1;
	/* 4 wire signaling is optional, and is only used for SD/SDIO */
	unsigned wire4:1;
	s16 power_pin;
	s16 switch_pin;
	s16 wp_pin;
};

struct omap_mmc_config {
	struct omap_mmc_conf mmc[2];
};

struct omap_serial_console_config {
	u8 console_uart;
	u32 console_speed;
};

struct omap_usb_config {
	/* Configure drivers according to the connectors on your board:
	 *  - "A" connector (rectagular)
	 *	... for host/OHCI use, set "register_host".
	 *  - "B" connector (squarish) or "Mini-B"
	 *	... for device/gadget use, set "register_dev".
	 *  - "Mini-AB" connector (very similar to Mini-B)
	 *	... for OTG use as device OR host, initialize "otg"
	 */
	unsigned	register_host:1;
	unsigned	register_dev:1;
	u8		otg;	/* port number, 1-based:  usb1 == 2 */

	u8		hmc_mode;

	/* implicitly true if otg:  host supports remote wakeup? */
	u8		rwc;

	/* signaling pins used to talk to transceiver on usbN:
	 *  0 == usbN unused
	 *  2 == usb0-only, using internal transceiver
	 *  3 == 3 wire bidirectional
	 *  4 == 4 wire bidirectional
	 *  6 == 6 wire unidirectional (or TLL)
	 */
	u8		pins[3];
};

struct omap_lcd_config {
	char panel_name[16];
	char ctrl_name[16];
};

/* Cover:
 *      high -> closed
 *      low  -> open
 * Connection:
 *      high -> connected
 *      low  -> disconnected
 */
#define OMAP_GPIO_SWITCH_TYPE_COVER		0x0000
#define OMAP_GPIO_SWITCH_TYPE_CONNECTION	0x0001
#define OMAP_GPIO_SWITCH_FLAG_INVERTED		0x0001
#define OMAP_GPIO_SWITCH_FLAG_OUTPUT		0x0002
struct omap_gpio_switch_config {
	char name[12];
	u16 gpio;
	int flags:4;
	int type:4;
	int key_code:24; /* Linux key code */
};

struct omap_flash_part_config {
	char part_table[0];
};

struct omap_boot_reason_config {
	char reason_str[12];
};

struct omap_uart_config {
	/* Bit field of UARTs present; bit 0 --> UART1 */
	unsigned int enabled_uarts;
};

struct omap_board_config_entry {
	u16 tag;
	u16 len;
	u8  data[0];
};

struct omap_board_config_kernel {
	u16 tag;
	const void *data;
};

extern const void *__omap_get_config(u16 tag, size_t len, int nr);

#define omap_get_config(tag, type) \
	((const type *) __omap_get_config((tag), sizeof(type), 0))
#define omap_get_nr_config(tag, type, nr) \
	((const type *) __omap_get_config((tag), sizeof(type), (nr)))

extern const void *omap_get_var_config(u16 tag, size_t *len);

extern struct omap_board_config_kernel *omap_board_config;
extern int omap_board_config_size;

#endif