arch/arm/mach-at91/board-ecbat91.c

   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 #include <mach/at91_aic.h>
  42
  43 #include "board.h"
  44 #include "generic.h"
  45
  46
  47 static 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
  56 static struct macb_platform_data __initdata ecb_at91eth_data = {
  57         .phy_irq_pin    = AT91_PIN_PC4,
  58         .is_rmii        = 0,
  59 };
  60
  61 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  62         .ports          = 1,
  63         .vbus_pin       = {-EINVAL, -EINVAL},
  64         .overcurrent_pin= {-EINVAL, -EINVAL},
  65 };
  66
  67 static 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)
  77 static 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
 106 static 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
 114 static 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  */
 144 static 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
 153 static 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
 182 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 183         /* Maintainer: emQbit.com */
 184         .timer          = &at91rm9200_timer,
 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,
 190 MACHINE_END