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