include/asm-arm/arch-at91rm9200/board.h

   1 /*
   2  * include/asm-arm/arch-at91rm9200/board.h
   3  *
   4  *  Copyright (C) 2005 HP Labs
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * These are data structures found in platform_device.dev.platform_data,
  23  * and describing board-specfic data needed by drivers.  For example,
  24  * which pin is used for a given GPIO role.
  25  *
  26  * In 2.6, drivers should strongly avoid board-specific knowledge so
  27  * that supporting new boards normally won't require driver patches.
  28  * Most board-specific knowledge should be in arch/.../board-*.c files.
  29  */
  30
  31 #ifndef __ASM_ARCH_BOARD_H
  32 #define __ASM_ARCH_BOARD_H
  33
  34  /* Clocks */
  35 extern unsigned long at91_master_clock;
  36
  37  /* Serial Port */
  38 extern int at91_serial_map[AT91_NR_UART];
  39 extern int at91_console_port;
  40
  41 #include <linux/mtd/partitions.h>
  42
  43  /* USB Device */
  44 struct at91_udc_data {
  45         u8      vbus_pin;               /* high == host powering us */
  46         u8      pullup_pin;             /* high == D+ pulled up */
  47 };
  48 extern void __init at91_add_device_udc(struct at91_udc_data *data);
  49
  50  /* Compact Flash */
  51 struct at91_cf_data {
  52         u8      irq_pin;                /* I/O IRQ */
  53         u8      det_pin;                /* Card detect */
  54         u8      vcc_pin;                /* power switching */
  55         u8      rst_pin;                /* card reset */
  56 };
  57 extern void __init at91_add_device_cf(struct at91_cf_data *data);
  58
  59  /* MMC / SD */
  60 struct at91_mmc_data {
  61         u8              det_pin;        /* card detect IRQ */
  62         unsigned        is_b:1;         /* uses B side (vs A) */
  63         unsigned        wire4:1;        /* (SD) supports DAT0..DAT3 */
  64         u8              wp_pin;         /* (SD) writeprotect detect */
  65         u8              vcc_pin;        /* power switching (high == on) */
  66 };
  67 extern void __init at91_add_device_mmc(struct at91_mmc_data *data);
  68
  69  /* Ethernet */
  70 struct at91_eth_data {
  71         u8              phy_irq_pin;    /* PHY IRQ */
  72         u8              is_rmii;        /* using RMII interface? */
  73 };
  74 extern void __init at91_add_device_eth(struct at91_eth_data *data);
  75
  76  /* USB Host */
  77 struct at91_usbh_data {
  78         u8              ports;          /* number of ports on root hub */
  79 };
  80 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
  81
  82  /* NAND / SmartMedia */
  83 struct at91_nand_data {
  84         u8              enable_pin;     /* chip enable */
  85         u8              det_pin;        /* card detect */
  86         u8              rdy_pin;        /* ready/busy */
  87         u8              ale;            /* address line number connected to ALE */
  88         u8              cle;            /* address line number connected to CLE */
  89         struct mtd_partition* (*partition_info)(int, int*);
  90 };
  91 extern void __init at91_add_device_nand(struct at91_nand_data *data);
  92
  93  /* I2C*/
  94 void __init at91_add_device_i2c(void);
  95
  96  /* RTC */
  97 void __init at91_add_device_rtc(void);
  98
  99  /* LEDs */
 100 extern u8 at91_leds_cpu;
 101 extern u8 at91_leds_timer;
 102 extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
 103
 104 #endif