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/init.h>
  24 #include <linux/mm.h>
  25 #include <linux/module.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/flash.h>
  29
  30 #include <mach/hardware.h>
  31 #include <asm/setup.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/irq.h>
  34
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <asm/mach/irq.h>
  38
  39 #include <mach/board.h>
  40 #include <mach/gpio.h>
  41
  42 #include "generic.h"
  43
  44
  45 static void __init ecb_at91map_io(void)
  46 {
  47         /* Initialize processor: 18.432 MHz crystal */
  48         at91rm9200_initialize(18432000, AT91RM9200_PQFP);
  49
  50         /* Setup the LEDs */
  51         at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
  52
  53         /* Setup the serial ports and console */
  54         at91_init_uarts();
  55 }
  56
  57 static void __init ecb_at91init_irq(void)
  58 {
  59         at91rm9200_init_interrupts(NULL);
  60 }
  61
  62 static struct at91_eth_data __initdata ecb_at91eth_data = {
  63         .phy_irq_pin    = AT91_PIN_PC4,
  64         .is_rmii        = 0,
  65 };
  66
  67 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  68         .ports          = 1,
  69 };
  70
  71 static struct at91_mmc_data __initdata ecb_at91mmc_data = {
  72         .slot_b         = 0,
  73         .wire4          = 1,
  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 accessable spi - cs1 (250KHz) */
 126                 .modalias       = "spi-cs1",
 127                 .chip_select    = 1,
 128                 .max_speed_hz   = 250 * 1000,
 129         },
 130         {       /* User accessable spi - cs2 (1MHz) */
 131                 .modalias       = "spi-cs2",
 132                 .chip_select    = 2,
 133                 .max_speed_hz   = 1 * 1000 * 1000,
 134         },
 135         {       /* User accessable spi - cs3 (10MHz) */
 136                 .modalias       = "spi-cs3",
 137                 .chip_select    = 3,
 138                 .max_speed_hz   = 10 * 1000 * 1000,
 139         },
 140 };
 141
 142 static void __init ecb_at91board_init(void)
 143 {
 144         /* Serial */
 145         at91_add_device_serial();
 146
 147         /* Ethernet */
 148         at91_add_device_eth(&ecb_at91eth_data);
 149
 150         /* USB Host */
 151         at91_add_device_usbh(&ecb_at91usbh_data);
 152
 153         /* I2C */
 154         at91_add_device_i2c(NULL, 0);
 155
 156         /* MMC */
 157         at91_add_device_mmc(0, &ecb_at91mmc_data);
 158
 159         /* SPI */
 160         at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 161 }
 162
 163 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 164         /* Maintainer: emQbit.com */
 165         .phys_io        = AT91_BASE_SYS,
 166         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 167         .boot_params    = AT91_SDRAM_BASE + 0x100,
 168         .timer          = &at91rm9200_timer,
 169         .map_io         = ecb_at91map_io,
 170         .init_irq       = ecb_at91init_irq,
 171         .init_machine   = ecb_at91board_init,
 172 MACHINE_END