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_config {
  34         u8 mmc_blocks;
  35         s16 mmc1_power_pin, mmc2_power_pin;
  36         s16 mmc1_switch_pin, mmc2_switch_pin;
  37 };
  38
  39 struct omap_serial_console_config {
  40         u8 console_uart;
  41         u32 console_speed;
  42 };
  43
  44 struct omap_usb_config {
  45         /* Configure drivers according to the connectors on your board:
  46          *  - "A" connector (rectagular)
  47          *      ... for host/OHCI use, set "register_host".
  48          *  - "B" connector (squarish) or "Mini-B"
  49          *      ... for device/gadget use, set "register_dev".
  50          *  - "Mini-AB" connector (very similar to Mini-B)
  51          *      ... for OTG use as device OR host, initialize "otg"
  52          */
  53         unsigned        register_host:1;
  54         unsigned        register_dev:1;
  55         u8              otg;    /* port number, 1-based:  usb1 == 2 */
  56
  57         u8              hmc_mode;
  58
  59         /* implicitly true if otg:  host supports remote wakeup? */
  60         u8              rwc;
  61
  62         /* signaling pins used to talk to transceiver on usbN:
  63          *  0 == usbN unused
  64          *  2 == usb0-only, using internal transceiver
  65          *  3 == 3 wire bidirectional
  66          *  4 == 4 wire bidirectional
  67          *  6 == 6 wire unidirectional (or TLL)
  68          */
  69         u8              pins[3];
  70 };
  71
  72 struct omap_lcd_config {
  73         char panel_name[16];
  74         char ctrl_name[16];
  75 };
  76
  77 /* Cover:
  78  *      high -> closed
  79  *      low  -> open
  80  * Connection:
  81  *      high -> connected
  82  *      low  -> disconnected
  83  */
  84 #define OMAP_GPIO_SWITCH_TYPE_COVER             0x0000
  85 #define OMAP_GPIO_SWITCH_TYPE_CONNECTION        0x0001
  86 #define OMAP_GPIO_SWITCH_FLAG_INVERTED          0x0001
  87 #define OMAP_GPIO_SWITCH_FLAG_OUTPUT            0x0002
  88 struct omap_gpio_switch_config {
  89         char name[12];
  90         u16 gpio;
  91         int flags:4;
  92         int type:4;
  93         int key_code:24; /* Linux key code */
  94 };
  95
  96 struct omap_flash_part_config {
  97         char part_table[0];
  98 };
  99
 100 struct omap_boot_reason_config {
 101         char reason_str[12];
 102 };
 103
 104 struct omap_uart_config {
 105         /* Bit field of UARTs present; bit 0 --> UART1 */
 106         unsigned int enabled_uarts;
 107 };
 108
 109 struct omap_board_config_entry {
 110         u16 tag;
 111         u16 len;
 112         u8  data[0];
 113 };
 114
 115 struct omap_board_config_kernel {
 116         u16 tag;
 117         const void *data;
 118 };
 119
 120 extern const void *__omap_get_config(u16 tag, size_t len, int nr);
 121
 122 #define omap_get_config(tag, type) \
 123         ((const type *) __omap_get_config((tag), sizeof(type), 0))
 124 #define omap_get_nr_config(tag, type, nr) \
 125         ((const type *) __omap_get_config((tag), sizeof(type), (nr)))
 126
 127 extern const void *omap_get_var_config(u16 tag, size_t *len);
 128
 129 extern struct omap_board_config_kernel *omap_board_config;
 130 extern int omap_board_config_size;
 131
 132 #endif