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         /* Setup the LEDs */
  55         at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
  56
  57         /* DBGU on ttyS0. (Rx & Tx only) */
  58         at91_register_uart(0, 0, 0);
  59
  60         /* USART0 on ttyS1. (Rx & Tx only) */
  61         at91_register_uart(AT91RM9200_ID_US0, 1, 0);
  62
  63         /* set serial console to ttyS0 (ie, DBGU) */
  64         at91_set_serial_console(0);
  65 }
  66
  67 static struct at91_eth_data __initdata ecb_at91eth_data = {
  68         .phy_irq_pin    = AT91_PIN_PC4,
  69         .is_rmii        = 0,
  70 };
  71
  72 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  73         .ports          = 1,
  74 };
  75
  76 static struct at91_mmc_data __initdata ecb_at91mmc_data = {
  77         .slot_b         = 0,
  78         .wire4          = 1,
  79 };
  80
  81
  82 #if defined(CONFIG_MTD_DATAFLASH)
  83 static struct mtd_partition __initdata my_flash0_partitions[] =
  84 {
  85         {       /* 0x8400 */
  86                 .name   = "Darrell-loader",
  87                 .offset = 0,
  88                 .size   = 12 * 1056,
  89         },
  90         {
  91                 .name   = "U-boot",
  92                 .offset = MTDPART_OFS_NXTBLK,
  93                 .size   = 110 * 1056,
  94         },
  95         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
  96                 .name   = "UBoot-env",
  97                 .offset = MTDPART_OFS_NXTBLK,
  98                 .size   = 8 * 1056,
  99         },
 100         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
 101                 .name   = "Kernel",
 102                 .offset = MTDPART_OFS_NXTBLK,
 103                 .size   = 1534 * 1056,
 104         },
 105         {       /* 190200 - jffs2 root filesystem */
 106                 .name   = "Filesystem",
 107                 .offset = MTDPART_OFS_NXTBLK,
 108                 .size   = MTDPART_SIZ_FULL,     /* 26 sectors */
 109         }
 110 };
 111
 112 static struct flash_platform_data __initdata my_flash0_platform = {
 113         .name           = "Removable flash card",
 114         .parts          = my_flash0_partitions,
 115         .nr_parts       = ARRAY_SIZE(my_flash0_partitions)
 116 };
 117
 118 #endif
 119
 120 static struct spi_board_info __initdata ecb_at91spi_devices[] = {
 121         {       /* DataFlash chip */
 122                 .modalias       = "mtd_dataflash",
 123                 .chip_select    = 0,
 124                 .max_speed_hz   = 10 * 1000 * 1000,
 125                 .bus_num        = 0,
 126 #if defined(CONFIG_MTD_DATAFLASH)
 127                 .platform_data  = &my_flash0_platform,
 128 #endif
 129         },
 130         {       /* User accessible spi - cs1 (250KHz) */
 131                 .modalias       = "spi-cs1",
 132                 .chip_select    = 1,
 133                 .max_speed_hz   = 250 * 1000,
 134         },
 135         {       /* User accessible spi - cs2 (1MHz) */
 136                 .modalias       = "spi-cs2",
 137                 .chip_select    = 2,
 138                 .max_speed_hz   = 1 * 1000 * 1000,
 139         },
 140         {       /* User accessible spi - cs3 (10MHz) */
 141                 .modalias       = "spi-cs3",
 142                 .chip_select    = 3,
 143                 .max_speed_hz   = 10 * 1000 * 1000,
 144         },
 145 };
 146
 147 static void __init ecb_at91board_init(void)
 148 {
 149         /* Serial */
 150         at91_add_device_serial();
 151
 152         /* Ethernet */
 153         at91_add_device_eth(&ecb_at91eth_data);
 154
 155         /* USB Host */
 156         at91_add_device_usbh(&ecb_at91usbh_data);
 157
 158         /* I2C */
 159         at91_add_device_i2c(NULL, 0);
 160
 161         /* MMC */
 162         at91_add_device_mmc(0, &ecb_at91mmc_data);
 163
 164         /* SPI */
 165         at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 166 }
 167
 168 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 169         /* Maintainer: emQbit.com */
 170         .timer          = &at91rm9200_timer,
 171         .map_io         = at91_map_io,
 172         .init_early     = ecb_at91init_early,
 173         .init_irq       = at91_init_irq_default,
 174         .init_machine   = ecb_at91board_init,
 175 MACHINE_END