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 #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         at91rm9200_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 void __init ecb_at91init_irq(void)
  68 {
  69         at91rm9200_init_interrupts(NULL);
  70 }
  71
  72 static struct at91_eth_data __initdata ecb_at91eth_data = {
  73         .phy_irq_pin    = AT91_PIN_PC4,
  74         .is_rmii        = 0,
  75 };
  76
  77 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
  78         .ports          = 1,
  79 };
  80
  81 static struct at91_mmc_data __initdata ecb_at91mmc_data = {
  82         .slot_b         = 0,
  83         .wire4          = 1,
  84 };
  85
  86
  87 #if defined(CONFIG_MTD_DATAFLASH)
  88 static struct mtd_partition __initdata my_flash0_partitions[] =
  89 {
  90         {       /* 0x8400 */
  91                 .name   = "Darrell-loader",
  92                 .offset = 0,
  93                 .size   = 12 * 1056,
  94         },
  95         {
  96                 .name   = "U-boot",
  97                 .offset = MTDPART_OFS_NXTBLK,
  98                 .size   = 110 * 1056,
  99         },
 100         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
 101                 .name   = "UBoot-env",
 102                 .offset = MTDPART_OFS_NXTBLK,
 103                 .size   = 8 * 1056,
 104         },
 105         {       /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
 106                 .name   = "Kernel",
 107                 .offset = MTDPART_OFS_NXTBLK,
 108                 .size   = 1534 * 1056,
 109         },
 110         {       /* 190200 - jffs2 root filesystem */
 111                 .name   = "Filesystem",
 112                 .offset = MTDPART_OFS_NXTBLK,
 113                 .size   = MTDPART_SIZ_FULL,     /* 26 sectors */
 114         }
 115 };
 116
 117 static struct flash_platform_data __initdata my_flash0_platform = {
 118         .name           = "Removable flash card",
 119         .parts          = my_flash0_partitions,
 120         .nr_parts       = ARRAY_SIZE(my_flash0_partitions)
 121 };
 122
 123 #endif
 124
 125 static struct spi_board_info __initdata ecb_at91spi_devices[] = {
 126         {       /* DataFlash chip */
 127                 .modalias       = "mtd_dataflash",
 128                 .chip_select    = 0,
 129                 .max_speed_hz   = 10 * 1000 * 1000,
 130                 .bus_num        = 0,
 131 #if defined(CONFIG_MTD_DATAFLASH)
 132                 .platform_data  = &my_flash0_platform,
 133 #endif
 134         },
 135         {       /* User accessible spi - cs1 (250KHz) */
 136                 .modalias       = "spi-cs1",
 137                 .chip_select    = 1,
 138                 .max_speed_hz   = 250 * 1000,
 139         },
 140         {       /* User accessible spi - cs2 (1MHz) */
 141                 .modalias       = "spi-cs2",
 142                 .chip_select    = 2,
 143                 .max_speed_hz   = 1 * 1000 * 1000,
 144         },
 145         {       /* User accessible spi - cs3 (10MHz) */
 146                 .modalias       = "spi-cs3",
 147                 .chip_select    = 3,
 148                 .max_speed_hz   = 10 * 1000 * 1000,
 149         },
 150 };
 151
 152 static void __init ecb_at91board_init(void)
 153 {
 154         /* Serial */
 155         at91_add_device_serial();
 156
 157         /* Ethernet */
 158         at91_add_device_eth(&ecb_at91eth_data);
 159
 160         /* USB Host */
 161         at91_add_device_usbh(&ecb_at91usbh_data);
 162
 163         /* I2C */
 164         at91_add_device_i2c(NULL, 0);
 165
 166         /* MMC */
 167         at91_add_device_mmc(0, &ecb_at91mmc_data);
 168
 169         /* SPI */
 170         at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
 171 }
 172
 173 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 174         /* Maintainer: emQbit.com */
 175         .timer          = &at91rm9200_timer,
 176         .map_io         = at91rm9200_map_io,
 177         .init_early     = ecb_at91init_early,
 178         .init_irq       = ecb_at91init_irq,
 179         .init_machine   = ecb_at91board_init,
 180 MACHINE_END