arch/arm/mach-at91/board-picotux200.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-picotux200.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2007 Kleinhenz Elektronik GmbH
   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/mtd/physmap.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/at91rm9200_mc.h>
  42
  43 #include "generic.h"
  44
  45
  46 static void __init picotux200_map_io(void)
  47 {
  48         /* Initialize processor: 18.432 MHz crystal */
  49         at91rm9200_initialize(18432000, AT91RM9200_BGA);
  50
  51         /* Setup the serial ports and console */
  52         at91_init_uarts();
  53 }
  54
  55 static void __init picotux200_init_irq(void)
  56 {
  57         at91rm9200_init_interrupts(NULL);
  58 }
  59
  60 static struct at91_eth_data __initdata picotux200_eth_data = {
  61         .phy_irq_pin    = AT91_PIN_PC4,
  62         .is_rmii        = 1,
  63 };
  64
  65 static struct at91_usbh_data __initdata picotux200_usbh_data = {
  66         .ports          = 1,
  67 };
  68
  69 // static struct at91_udc_data __initdata picotux200_udc_data = {
  70 //      .vbus_pin       = AT91_PIN_PD4,
  71 //      .pullup_pin     = AT91_PIN_PD5,
  72 // };
  73
  74 static struct at91_mmc_data __initdata picotux200_mmc_data = {
  75         .det_pin        = AT91_PIN_PB27,
  76         .slot_b         = 0,
  77         .wire4          = 1,
  78         .wp_pin         = AT91_PIN_PA17,
  79 };
  80
  81 // static struct spi_board_info picotux200_spi_devices[] = {
  82 //      {       /* DataFlash chip */
  83 //              .modalias       = "mtd_dataflash",
  84 //              .chip_select    = 0,
  85 //              .max_speed_hz   = 15 * 1000 * 1000,
  86 //      },
  87 // #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
  88 //      {       /* DataFlash card */
  89 //              .modalias       = "mtd_dataflash",
  90 //              .chip_select    = 3,
  91 //              .max_speed_hz   = 15 * 1000 * 1000,
  92 //      },
  93 // #endif
  94 // };
  95
  96 #define PICOTUX200_FLASH_BASE   AT91_CHIPSELECT_0
  97 #define PICOTUX200_FLASH_SIZE   0x400000
  98
  99 static struct physmap_flash_data picotux200_flash_data = {
 100         .width  = 2,
 101 };
 102
 103 static struct resource picotux200_flash_resource = {
 104         .start          = PICOTUX200_FLASH_BASE,
 105         .end            = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
 106         .flags          = IORESOURCE_MEM,
 107 };
 108
 109 static struct platform_device picotux200_flash = {
 110         .name           = "physmap-flash",
 111         .id             = 0,
 112         .dev            = {
 113                                 .platform_data  = &picotux200_flash_data,
 114                         },
 115         .resource       = &picotux200_flash_resource,
 116         .num_resources  = 1,
 117 };
 118
 119 static void __init picotux200_board_init(void)
 120 {
 121         /* Serial */
 122         at91_add_device_serial();
 123         /* Ethernet */
 124         at91_add_device_eth(&picotux200_eth_data);
 125         /* USB Host */
 126         at91_add_device_usbh(&picotux200_usbh_data);
 127         /* USB Device */
 128         // at91_add_device_udc(&picotux200_udc_data);
 129         // at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1);     /* pullup_pin is connected to reset */
 130         /* I2C */
 131         at91_add_device_i2c(NULL, 0);
 132         /* SPI */
 133         // at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
 134 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 135         /* DataFlash card */
 136         at91_set_gpio_output(AT91_PIN_PB22, 0);
 137 #else
 138         /* MMC */
 139         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 140         at91_add_device_mmc(0, &picotux200_mmc_data);
 141 #endif
 142         /* NOR Flash */
 143         platform_device_register(&picotux200_flash);
 144 }
 145
 146 MACHINE_START(PICOTUX2XX, "picotux 200")
 147         /* Maintainer: Kleinhenz Elektronik GmbH */
 148         .phys_io        = AT91_BASE_SYS,
 149         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 150         .boot_params    = AT91_SDRAM_BASE + 0x100,
 151         .timer          = &at91rm9200_timer,
 152         .map_io         = picotux200_map_io,
 153         .init_irq       = picotux200_init_irq,
 154         .init_machine   = picotux200_board_init,
 155 MACHINE_END