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
  22 struct omap_clock_config {
  23         /* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */
  24         u8 system_clock_type;
  25 };
  26
  27 struct omap_mmc_config {
  28         u8 mmc_blocks;
  29         s8 mmc1_power_pin, mmc2_power_pin;
  30         s8 mmc1_switch_pin, mmc2_switch_pin;
  31 };
  32
  33 struct omap_uart_config {
  34         u8 console_uart;
  35         u32 console_speed;
  36 };
  37
  38 struct omap_usb_config {
  39         /* Configure drivers according to the connectors on your board:
  40          *  - "A" connector (rectagular)
  41          *      ... for host/OHCI use, set "register_host".
  42          *  - "B" connector (squarish) or "Mini-B"
  43          *      ... for device/gadget use, set "register_dev".
  44          *  - "Mini-AB" connector (very similar to Mini-B)
  45          *      ... for OTG use as device OR host, initialize "otg"
  46          */
  47         unsigned        register_host:1;
  48         unsigned        register_dev:1;
  49         u8              otg;    /* port number, 1-based:  usb1 == 2 */
  50
  51         u8              hmc_mode;
  52
  53         /* implicitly true if otg:  host supports remote wakeup? */
  54         u8              rwc;
  55
  56         /* signaling pins used to talk to transceiver on usbN:
  57          *  0 == usbN unused
  58          *  2 == usb0-only, using internal transceiver
  59          *  3 == 3 wire bidirectional
  60          *  4 == 4 wire bidirectional
  61          *  6 == 6 wire unidirectional (or TLL)
  62          */
  63         u8              pins[3];
  64 };
  65
  66 struct omap_board_config_entry {
  67         u16 tag;
  68         u16 len;
  69         u8  data[0];
  70 };
  71
  72 struct omap_board_config_kernel {
  73         u16 tag;
  74         const void *data;
  75 };
  76
  77 extern const void *__omap_get_config(u16 tag, size_t len);
  78
  79 #define omap_get_config(tag, type) \
  80         ((const type *) __omap_get_config((tag), sizeof(type)))
  81
  82 extern struct omap_board_config_kernel *omap_board_config;
  83 extern int omap_board_config_size;
  84
  85 #endif