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/board.h>
  41 #include <mach/cpu.h>
  42
  43 #include "generic.h"
  44
  45
  46 static void __init ecb_at91init_early(void)
  47 {
  48         /* Set cpu type: PQFP */
  49         at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  50
  51         /* Initialize processor: 18.432 MHz crystal */
  52         at91_initialize(18432000);
  53 }
  54
  55 static struct macb_platform_data __initdata ecb_at91eth_data = {
  56         .phy_irq_pin    = AT91_PIN_PC4,
  57         .is_rmii        = 0,
  58 };
  59
  60 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  61         .ports          = 1,
  62         .vbus_pin       = {-EINVAL, -EINVAL},
  63         .overcurrent_pin= {-EINVAL, -EINVAL},
  64 };
  65
  66 static struct at91_mmc_data __initdata ecb_at91mmc_data = {
  67         .slot_b         = 0,
  68         .wire4          = 1,
  69         .det_pin        = -EINVAL,
  70         .wp_pin         = -EINVAL,
  71         .vcc_pin        = -EINVAL,
  72 };
  73
  74
  75 #if defined(CONFIG_MTD_DATAFLASH)
  76 static struct mtd_partition __initdata my_flash0_partitions[] =
  77 {
  78         {       /* 0x8400 */
  79                 .name   = "Darrell-loader",
  80                 .offset = 0,
  81                 .size   = 12 * 1056,
  82         },
  83         {
  84                 .name   = "U-boot",
  85                 .offset = MTDPART_OFS_NXTBLK,
  86                 .size   = 110 * 1056,
  87         },
  88         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  89                 .name   = "UBoot-env",
  90                 .offset = MTDPART_OFS_NXTBLK,
  91                 .size   = 8 * 1056,
  92         },
  93         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  94                 .name   = "Kernel",
  95                 .offset = MTDPART_OFS_NXTBLK,
  96                 .size   = 1534 * 1056,
  97         },
  98         {       /* 190200 - jffs2 root filesystem */
  99                 .name   = "Filesystem",
 100                 .offset = MTDPART_OFS_NXTBLK,
 101                 .size   = MTDPART_SIZ_FULL,     /* 26 sectors */
 102         }
 103 };
 104
 105 static struct flash_platform_data __initdata my_flash0_platform = {
 106         .name           = "Removable flash card",
 107         .parts          = my_flash0_partitions,
 108         .nr_parts       = ARRAY_SIZE(my_flash0_partitions)
 109 };
 110
 111 #endif
 112
 113 static struct spi_board_info __initdata ecb_at91spi_devices[] = {
 114         {       /* DataFlash chip */
 115                 .modalias       = "mtd_dataflash",
 116                 .chip_select    = 0,
 117                 .max_speed_hz   = 10 * 1000 * 1000,
 118                 .bus_num        = 0,
 119 #if defined(CONFIG_MTD_DATAFLASH)
 120                 .platform_data  = &my_flash0_platform,
 121 #endif
 122         },
 123         {       /* User accessible spi - cs1 (250KHz) */
 124                 .modalias       = "spi-cs1",
 125                 .chip_select    = 1,
 126                 .max_speed_hz   = 250 * 1000,
 127         },
 128         {       /* User accessible spi - cs2 (1MHz) */
 129                 .modalias       = "spi-cs2",
 130                 .chip_select    = 2,
 131                 .max_speed_hz   = 1 * 1000 * 1000,
 132         },
 133         {       /* User accessible spi - cs3 (10MHz) */
 134                 .modalias       = "spi-cs3",
 135                 .chip_select    = 3,
 136                 .max_speed_hz   = 10 * 1000 * 1000,
 137         },
 138 };
 139
 140 static void __init ecb_at91board_init(void)
 141 {
 142         /* Setup the LEDs */
 143         at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
 144
 145         /* Serial */
 146         /* DBGU on ttyS0. (Rx & Tx only) */
 147         at91_register_uart(0, 0, 0);
 148
 149         /* USART0 on ttyS1. (Rx & Tx only) */
 150         at91_register_uart(AT91RM9200_ID_US0, 1, 0);
 151         at91_add_device_serial();
 152
 153         /* Ethernet */
 154         at91_add_device_eth(&ecb_at91eth_data);
 155
 156         /* USB Host */
 157         at91_add_device_usbh(&ecb_at91usbh_data);
 158
 159         /* I2C */
 160         at91_add_device_i2c(NULL, 0);
 161
 162         /* MMC */
 163         at91_add_device_mmc(0, &ecb_at91mmc_data);
 164
 165         /* SPI */
 166         at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 167 }
 168
 169 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 170         /* Maintainer: emQbit.com */
 171         .timer          = &at91rm9200_timer,
 172         .map_io         = at91_map_io,
 173         .init_early     = ecb_at91init_early,
 174         .init_irq       = at91_init_irq_default,
 175         .init_machine   = ecb_at91board_init,
 176 MACHINE_END