linux/arch/arm/mach-at91/board-ecbat91.c
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   1/*
   2 * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
   3 * Copyright (C) 2007 emQbit.com.
   4 *
   5 * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation; either version 2 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22#include <linux/types.h>
  23#include <linux/gpio.h>
  24#include <linux/init.h>
  25#include <linux/mm.h>
  26#include <linux/module.h>
  27#include <linux/platform_device.h>
  28#include <linux/spi/spi.h>
  29#include <linux/spi/flash.h>
  30
  31#include <mach/hardware.h>
  32#include <asm/setup.h>
  33#include <asm/mach-types.h>
  34#include <asm/irq.h>
  35
  36#include <asm/mach/arch.h>
  37#include <asm/mach/map.h>
  38#include <asm/mach/irq.h>
  39
  40#include <mach/cpu.h>
  41
  42#include "at91_aic.h"
  43#include "board.h"
  44#include "generic.h"
  45
  46
  47static void __init ecb_at91init_early(void)
  48{
  49        /* Set cpu type: PQFP */
  50        at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  51
  52        /* Initialize processor: 18.432 MHz crystal */
  53        at91_initialize(18432000);
  54}
  55
  56static struct macb_platform_data __initdata ecb_at91eth_data = {
  57        .phy_irq_pin    = AT91_PIN_PC4,
  58        .is_rmii        = 0,
  59};
  60
  61static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  62        .ports          = 1,
  63        .vbus_pin       = {-EINVAL, -EINVAL},
  64        .overcurrent_pin= {-EINVAL, -EINVAL},
  65};
  66
  67static struct mci_platform_data __initdata ecbat91_mci0_data = {
  68        .slot[0] = {
  69                .bus_width      = 4,
  70                .detect_pin     = -EINVAL,
  71                .wp_pin         = -EINVAL,
  72        },
  73};
  74
  75
  76#if defined(CONFIG_MTD_DATAFLASH)
  77static struct mtd_partition __initdata my_flash0_partitions[] =
  78{
  79        {       /* 0x8400 */
  80                .name   = "Darrell-loader",
  81                .offset = 0,
  82                .size   = 12 * 1056,
  83        },
  84        {
  85                .name   = "U-boot",
  86                .offset = MTDPART_OFS_NXTBLK,
  87                .size   = 110 * 1056,
  88        },
  89        {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  90                .name   = "UBoot-env",
  91                .offset = MTDPART_OFS_NXTBLK,
  92                .size   = 8 * 1056,
  93        },
  94        {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  95                .name   = "Kernel",
  96                .offset = MTDPART_OFS_NXTBLK,
  97                .size   = 1534 * 1056,
  98        },
  99        {       /* 190200 - jffs2 root filesystem */
 100                .name   = "Filesystem",
 101                .offset = MTDPART_OFS_NXTBLK,
 102                .size   = MTDPART_SIZ_FULL,     /* 26 sectors */
 103        }
 104};
 105
 106static struct flash_platform_data __initdata my_flash0_platform = {
 107        .name           = "Removable flash card",
 108        .parts          = my_flash0_partitions,
 109        .nr_parts       = ARRAY_SIZE(my_flash0_partitions)
 110};
 111
 112#endif
 113
 114static struct spi_board_info __initdata ecb_at91spi_devices[] = {
 115        {       /* DataFlash chip */
 116                .modalias       = "mtd_dataflash",
 117                .chip_select    = 0,
 118                .max_speed_hz   = 10 * 1000 * 1000,
 119                .bus_num        = 0,
 120#if defined(CONFIG_MTD_DATAFLASH)
 121                .platform_data  = &my_flash0_platform,
 122#endif
 123        },
 124        {       /* User accessible spi - cs1 (250KHz) */
 125                .modalias       = "spi-cs1",
 126                .chip_select    = 1,
 127                .max_speed_hz   = 250 * 1000,
 128        },
 129        {       /* User accessible spi - cs2 (1MHz) */
 130                .modalias       = "spi-cs2",
 131                .chip_select    = 2,
 132                .max_speed_hz   = 1 * 1000 * 1000,
 133        },
 134        {       /* User accessible spi - cs3 (10MHz) */
 135                .modalias       = "spi-cs3",
 136                .chip_select    = 3,
 137                .max_speed_hz   = 10 * 1000 * 1000,
 138        },
 139};
 140
 141/*
 142 * LEDs
 143 */
 144static struct gpio_led ecb_leds[] = {
 145        {       /* D1 */
 146                .name                   = "led1",
 147                .gpio                   = AT91_PIN_PC7,
 148                .active_low             = 1,
 149                .default_trigger        = "heartbeat",
 150        }
 151};
 152
 153static void __init ecb_at91board_init(void)
 154{
 155        /* Serial */
 156        /* DBGU on ttyS0. (Rx & Tx only) */
 157        at91_register_uart(0, 0, 0);
 158
 159        /* USART0 on ttyS1. (Rx & Tx only) */
 160        at91_register_uart(AT91RM9200_ID_US0, 1, 0);
 161        at91_add_device_serial();
 162
 163        /* Ethernet */
 164        at91_add_device_eth(&ecb_at91eth_data);
 165
 166        /* USB Host */
 167        at91_add_device_usbh(&ecb_at91usbh_data);
 168
 169        /* I2C */
 170        at91_add_device_i2c(NULL, 0);
 171
 172        /* MMC */
 173        at91_add_device_mci(0, &ecbat91_mci0_data);
 174
 175        /* SPI */
 176        at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 177
 178        /* LEDs */
 179        at91_gpio_leds(ecb_leds, ARRAY_SIZE(ecb_leds));
 180}
 181
 182MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 183        /* Maintainer: emQbit.com */
 184        .init_time      = at91rm9200_timer_init,
 185        .map_io         = at91_map_io,
 186        .handle_irq     = at91_aic_handle_irq,
 187        .init_early     = ecb_at91init_early,
 188        .init_irq       = at91_init_irq_default,
 189        .init_machine   = ecb_at91board_init,
 190MACHINE_END
 191