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
  42 #include "at91_aic.h"
  43 #include "board.h"
  44 #include "generic.h"
  45 #include "gpio.h"
  46
  47
  48 static void __init ecb_at91init_early(void)
  49 {
  50         /* Set cpu type: PQFP */
  51         at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  52
  53         /* Initialize processor: 18.432 MHz crystal */
  54         at91_initialize(18432000);
  55 }
  56
  57 static struct macb_platform_data __initdata ecb_at91eth_data = {
  58         .phy_irq_pin    = AT91_PIN_PC4,
  59         .is_rmii        = 0,
  60 };
  61
  62 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  63         .ports          = 1,
  64         .vbus_pin       = {-EINVAL, -EINVAL},
  65         .overcurrent_pin= {-EINVAL, -EINVAL},
  66 };
  67
  68 static struct mci_platform_data __initdata ecbat91_mci0_data = {
  69         .slot[0] = {
  70                 .bus_width      = 4,
  71                 .detect_pin     = -EINVAL,
  72                 .wp_pin         = -EINVAL,
  73         },
  74 };
  75
  76
  77 #if defined(CONFIG_MTD_DATAFLASH)
  78 static struct mtd_partition __initdata my_flash0_partitions[] =
  79 {
  80         {       /* 0x8400 */
  81                 .name   = "Darrell-loader",
  82                 .offset = 0,
  83                 .size   = 12 * 1056,
  84         },
  85         {
  86                 .name   = "U-boot",
  87                 .offset = MTDPART_OFS_NXTBLK,
  88                 .size   = 110 * 1056,
  89         },
  90         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  91                 .name   = "UBoot-env",
  92                 .offset = MTDPART_OFS_NXTBLK,
  93                 .size   = 8 * 1056,
  94         },
  95         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  96                 .name   = "Kernel",
  97                 .offset = MTDPART_OFS_NXTBLK,
  98                 .size   = 1534 * 1056,
  99         },
 100         {       /* 190200 - jffs2 root filesystem */
 101                 .name   = "Filesystem",
 102                 .offset = MTDPART_OFS_NXTBLK,
 103                 .size   = MTDPART_SIZ_FULL,     /* 26 sectors */
 104         }
 105 };
 106
 107 static struct flash_platform_data __initdata my_flash0_platform = {
 108         .name           = "Removable flash card",
 109         .parts          = my_flash0_partitions,
 110         .nr_parts       = ARRAY_SIZE(my_flash0_partitions)
 111 };
 112
 113 #endif
 114
 115 static struct spi_board_info __initdata ecb_at91spi_devices[] = {
 116         {       /* DataFlash chip */
 117                 .modalias       = "mtd_dataflash",
 118                 .chip_select    = 0,
 119                 .max_speed_hz   = 10 * 1000 * 1000,
 120                 .bus_num        = 0,
 121 #if defined(CONFIG_MTD_DATAFLASH)
 122                 .platform_data  = &my_flash0_platform,
 123 #endif
 124         },
 125         {       /* User accessible spi - cs1 (250KHz) */
 126                 .modalias       = "spi-cs1",
 127                 .chip_select    = 1,
 128                 .max_speed_hz   = 250 * 1000,
 129         },
 130         {       /* User accessible spi - cs2 (1MHz) */
 131                 .modalias       = "spi-cs2",
 132                 .chip_select    = 2,
 133                 .max_speed_hz   = 1 * 1000 * 1000,
 134         },
 135         {       /* User accessible spi - cs3 (10MHz) */
 136                 .modalias       = "spi-cs3",
 137                 .chip_select    = 3,
 138                 .max_speed_hz   = 10 * 1000 * 1000,
 139         },
 140 };
 141
 142 /*
 143  * LEDs
 144  */
 145 static struct gpio_led ecb_leds[] = {
 146         {       /* D1 */
 147                 .name                   = "led1",
 148                 .gpio                   = AT91_PIN_PC7,
 149                 .active_low             = 1,
 150                 .default_trigger        = "heartbeat",
 151         }
 152 };
 153
 154 static void __init ecb_at91board_init(void)
 155 {
 156         /* Serial */
 157         /* DBGU on ttyS0. (Rx & Tx only) */
 158         at91_register_uart(0, 0, 0);
 159
 160         /* USART0 on ttyS1. (Rx & Tx only) */
 161         at91_register_uart(AT91RM9200_ID_US0, 1, 0);
 162         at91_add_device_serial();
 163
 164         /* Ethernet */
 165         at91_add_device_eth(&ecb_at91eth_data);
 166
 167         /* USB Host */
 168         at91_add_device_usbh(&ecb_at91usbh_data);
 169
 170         /* I2C */
 171         at91_add_device_i2c(NULL, 0);
 172
 173         /* MMC */
 174         at91_add_device_mci(0, &ecbat91_mci0_data);
 175
 176         /* SPI */
 177         at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 178
 179         /* LEDs */
 180         at91_gpio_leds(ecb_leds, ARRAY_SIZE(ecb_leds));
 181 }
 182
 183 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 184         /* Maintainer: emQbit.com */
 185         .init_time      = at91rm9200_timer_init,
 186         .map_io         = at91_map_io,
 187         .handle_irq     = at91_aic_handle_irq,
 188         .init_early     = ecb_at91init_early,
 189         .init_irq       = at91_init_irq_default,
 190         .init_machine   = ecb_at91board_init,
 191 MACHINE_END