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_UART           0x4f03
  20 #define OMAP_TAG_USB            0x4f04
  21 #define OMAP_TAG_LCD            0x4f05
  22 #define OMAP_TAG_GPIO_SWITCH    0x4f06
  23
  24 #define OMAP_TAG_BOOT_REASON    0x4f80
  25 #define OMAP_TAG_FLASH_PART     0x4f81
  26
  27 struct omap_clock_config {
  28         /* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */
  29         u8 system_clock_type;
  30 };
  31
  32 struct omap_mmc_config {
  33         u8 mmc_blocks;
  34         s16 mmc1_power_pin, mmc2_power_pin;
  35         s16 mmc1_switch_pin, mmc2_switch_pin;
  36 };
  37
  38 struct omap_uart_config {
  39         u8 console_uart;
  40         u32 console_speed;
  41 };
  42
  43 struct omap_usb_config {
  44         /* Configure drivers according to the connectors on your board:
  45          *  - "A" connector (rectagular)
  46          *      ... for host/OHCI use, set "register_host".
  47          *  - "B" connector (squarish) or "Mini-B"
  48          *      ... for device/gadget use, set "register_dev".
  49          *  - "Mini-AB" connector (very similar to Mini-B)
  50          *      ... for OTG use as device OR host, initialize "otg"
  51          */
  52         unsigned        register_host:1;
  53         unsigned        register_dev:1;
  54         u8              otg;    /* port number, 1-based:  usb1 == 2 */
  55
  56         u8              hmc_mode;
  57
  58         /* implicitly true if otg:  host supports remote wakeup? */
  59         u8              rwc;
  60
  61         /* signaling pins used to talk to transceiver on usbN:
  62          *  0 == usbN unused
  63          *  2 == usb0-only, using internal transceiver
  64          *  3 == 3 wire bidirectional
  65          *  4 == 4 wire bidirectional
  66          *  6 == 6 wire unidirectional (or TLL)
  67          */
  68         u8              pins[3];
  69 };
  70
  71 struct omap_lcd_config {
  72         char panel_name[16];
  73         char ctrl_name[16];
  74 };
  75
  76 /* Cover:
  77  *      high -> closed
  78  *      low  -> open
  79  * Connection:
  80  *      high -> connected
  81  *      low  -> disconnected
  82  */
  83 #define OMAP_GPIO_SWITCH_TYPE_COVER             0x0000
  84 #define OMAP_GPIO_SWITCH_TYPE_CONNECTION        0x0001
  85 #define OMAP_GPIO_SWITCH_FLAG_INVERTED          0x0001
  86 struct omap_gpio_switch_config {
  87         char name[12];
  88         u16 gpio;
  89         int flags:4;
  90         int type:4;
  91         int key_code:24; /* Linux key code */
  92 };
  93
  94 struct omap_flash_part_config {
  95         char part_table[0];
  96 };
  97
  98 struct omap_boot_reason_config {
  99         char reason_str[12];
 100 };
 101
 102
 103 struct omap_board_config_entry {
 104         u16 tag;
 105         u16 len;
 106         u8  data[0];
 107 };
 108
 109 struct omap_board_config_kernel {
 110         u16 tag;
 111         const void *data;
 112 };
 113
 114 extern const void *__omap_get_config(u16 tag, size_t len, int nr);
 115
 116 #define omap_get_config(tag, type) \
 117         ((const type *) __omap_get_config((tag), sizeof(type), 0))
 118 #define omap_get_nr_config(tag, type, nr) \
 119         ((const type *) __omap_get_config((tag), sizeof(type), (nr)))
 120
 121 extern const void *omap_get_var_config(u16 tag, size_t *len);
 122
 123 extern struct omap_board_config_kernel *omap_board_config;
 124 extern int omap_board_config_size;
 125
 126 #endif