include/asm-arm/arch-omap/board.h

   1 /*
   2  *  linux/include/asm-arm/arch-omap/board.h
   3  *
   4  *  Information structures for board-specific data
   5  *
   6  *  Copyright (C) 2004  Nokia Corporation
   7  *  Written by Juha Yrjölä <juha.yrjola@nokia.com>
   8  */
   9
  10 #ifndef _OMAP_BOARD_H
  11 #define _OMAP_BOARD_H
  12
  13 #include <linux/types.h>
  14
  15 /* Different peripheral ids */
  16 #define OMAP_TAG_CLOCK          0x4f01
  17 #define OMAP_TAG_MMC            0x4f02
  18 #define OMAP_TAG_SERIAL_CONSOLE 0x4f03
  19 #define OMAP_TAG_USB            0x4f04
  20 #define OMAP_TAG_LCD            0x4f05
  21 #define OMAP_TAG_GPIO_SWITCH    0x4f06
  22 #define OMAP_TAG_UART           0x4f07
  23 #define OMAP_TAG_FBMEM          0x4f08
  24 #define OMAP_TAG_STI_CONSOLE    0x4f09
  25 #define OMAP_TAG_CAMERA_SENSOR  0x4f0a
  26
  27 #define OMAP_TAG_BOOT_REASON    0x4f80
  28 #define OMAP_TAG_FLASH_PART     0x4f81
  29 #define OMAP_TAG_VERSION_STR    0x4f82
  30
  31 struct omap_clock_config {
  32         /* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */
  33         u8 system_clock_type;
  34 };
  35
  36 struct omap_mmc_conf {
  37         unsigned enabled:1;
  38         /* nomux means "standard" muxing is wrong on this board, and that
  39          * board-specific code handled it before common init logic.
  40          */
  41         unsigned nomux:1;
  42         /* switch pin can be for card detect (default) or card cover */
  43         unsigned cover:1;
  44         /* 4 wire signaling is optional, and is only used for SD/SDIO */
  45         unsigned wire4:1;
  46         s16 power_pin;
  47         s16 switch_pin;
  48         s16 wp_pin;
  49 };
  50
  51 struct omap_mmc_config {
  52         struct omap_mmc_conf mmc[2];
  53 };
  54
  55 struct omap_serial_console_config {
  56         u8 console_uart;
  57         u32 console_speed;
  58 };
  59
  60 struct omap_sti_console_config {
  61         unsigned enable:1;
  62         u8 channel;
  63 };
  64
  65 struct omap_camera_sensor_config {
  66         u16 reset_gpio;
  67         int (*power_on)(void * data);
  68         int (*power_off)(void * data);
  69 };
  70
  71 struct omap_usb_config {
  72         /* Configure drivers according to the connectors on your board:
  73          *  - "A" connector (rectagular)
  74          *      ... for host/OHCI use, set "register_host".
  75          *  - "B" connector (squarish) or "Mini-B"
  76          *      ... for device/gadget use, set "register_dev".
  77          *  - "Mini-AB" connector (very similar to Mini-B)
  78          *      ... for OTG use as device OR host, initialize "otg"
  79          */
  80         unsigned        register_host:1;
  81         unsigned        register_dev:1;
  82         u8              otg;    /* port number, 1-based:  usb1 == 2 */
  83
  84         u8              hmc_mode;
  85
  86         /* implicitly true if otg:  host supports remote wakeup? */
  87         u8              rwc;
  88
  89         /* signaling pins used to talk to transceiver on usbN:
  90          *  0 == usbN unused
  91          *  2 == usb0-only, using internal transceiver
  92          *  3 == 3 wire bidirectional
  93          *  4 == 4 wire bidirectional
  94          *  6 == 6 wire unidirectional (or TLL)
  95          */
  96         u8              pins[3];
  97 };
  98
  99 struct omap_lcd_config {
 100         char panel_name[16];
 101         char ctrl_name[16];
 102 };
 103
 104 struct omap_fbmem_config {
 105         u32 fb_sram_start;
 106         u32 fb_sram_size;
 107         u32 fb_sdram_start;
 108         u32 fb_sdram_size;
 109 };
 110
 111 /* Cover:
 112  *      high -> closed
 113  *      low  -> open
 114  * Connection:
 115  *      high -> connected
 116  *      low  -> disconnected
 117  */
 118 #define OMAP_GPIO_SWITCH_TYPE_COVER             0x0000
 119 #define OMAP_GPIO_SWITCH_TYPE_CONNECTION        0x0001
 120 #define OMAP_GPIO_SWITCH_FLAG_INVERTED          0x0001
 121 #define OMAP_GPIO_SWITCH_FLAG_OUTPUT            0x0002
 122 struct omap_gpio_switch_config {
 123         char name[12];
 124         u16 gpio;
 125         int flags:4;
 126         int type:4;
 127         int key_code:24; /* Linux key code */
 128 };
 129
 130 struct omap_uart_config {
 131         /* Bit field of UARTs present; bit 0 --> UART1 */
 132         unsigned int enabled_uarts;
 133 };
 134
 135
 136 struct omap_flash_part_config {
 137         char part_table[0];
 138 };
 139
 140 struct omap_boot_reason_config {
 141         char reason_str[12];
 142 };
 143
 144 struct omap_version_config {
 145         char component[12];
 146         char version[12];
 147 };
 148
 149
 150 #include <asm-arm/arch-omap/board-nokia.h>
 151
 152 struct omap_board_config_entry {
 153         u16 tag;
 154         u16 len;
 155         u8  data[0];
 156 };
 157
 158 struct omap_board_config_kernel {
 159         u16 tag;
 160         const void *data;
 161 };
 162
 163 extern const void *__omap_get_config(u16 tag, size_t len, int nr);
 164
 165 #define omap_get_config(tag, type) \
 166         ((const type *) __omap_get_config((tag), sizeof(type), 0))
 167 #define omap_get_nr_config(tag, type, nr) \
 168         ((const type *) __omap_get_config((tag), sizeof(type), (nr)))
 169
 170 extern const void *omap_get_var_config(u16 tag, size_t *len);
 171
 172 extern struct omap_board_config_kernel *omap_board_config;
 173 extern int omap_board_config_size;
 174
 175 #endif