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 <asm/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 <asm/arch/board.h>
  40 #include <asm/arch/gpio.h>
  41 #include <asm/arch/at91rm9200_mc.h>
  42
  43 #include "generic.h"
  44
  45
  46 /*
  47  * Serial port configuration.
  48  *    0 .. 3 = USART0 .. USART3
  49  *    4      = DBGU
  50  */
  51 static struct at91_uart_config __initdata picotux200_uart_config = {
  52         .console_tty    = 0,                            /* ttyS0 */
  53         .nr_tty         = 2,
  54         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  55 };
  56
  57 static void __init picotux200_map_io(void)
  58 {
  59         /* Initialize processor: 18.432 MHz crystal */
  60         at91rm9200_initialize(18432000, AT91RM9200_BGA);
  61
  62         /* Setup the serial ports and console */
  63         at91_init_serial(&picotux200_uart_config);
  64 }
  65
  66 static void __init picotux200_init_irq(void)
  67 {
  68         at91rm9200_init_interrupts(NULL);
  69 }
  70
  71 static struct at91_eth_data __initdata picotux200_eth_data = {
  72         .phy_irq_pin    = AT91_PIN_PC4,
  73         .is_rmii        = 1,
  74 };
  75
  76 static struct at91_usbh_data __initdata picotux200_usbh_data = {
  77         .ports          = 1,
  78 };
  79
  80 // static struct at91_udc_data __initdata picotux200_udc_data = {
  81 //      .vbus_pin       = AT91_PIN_PD4,
  82 //      .pullup_pin     = AT91_PIN_PD5,
  83 // };
  84
  85 static struct at91_mmc_data __initdata picotux200_mmc_data = {
  86         .det_pin        = AT91_PIN_PB27,
  87         .slot_b         = 0,
  88         .wire4          = 1,
  89         .wp_pin         = AT91_PIN_PA17,
  90 };
  91
  92 // static struct spi_board_info picotux200_spi_devices[] = {
  93 //      {       /* DataFlash chip */
  94 //              .modalias       = "mtd_dataflash",
  95 //              .chip_select    = 0,
  96 //              .max_speed_hz   = 15 * 1000 * 1000,
  97 //      },
  98 // #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
  99 //      {       /* DataFlash card */
 100 //              .modalias       = "mtd_dataflash",
 101 //              .chip_select    = 3,
 102 //              .max_speed_hz   = 15 * 1000 * 1000,
 103 //      },
 104 // #endif
 105 // };
 106
 107 #define PICOTUX200_FLASH_BASE   AT91_CHIPSELECT_0
 108 #define PICOTUX200_FLASH_SIZE   0x400000
 109
 110 static struct physmap_flash_data picotux200_flash_data = {
 111         .width  = 2,
 112 };
 113
 114 static struct resource picotux200_flash_resource = {
 115         .start          = PICOTUX200_FLASH_BASE,
 116         .end            = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
 117         .flags          = IORESOURCE_MEM,
 118 };
 119
 120 static struct platform_device picotux200_flash = {
 121         .name           = "physmap-flash",
 122         .id             = 0,
 123         .dev            = {
 124                                 .platform_data  = &picotux200_flash_data,
 125                         },
 126         .resource       = &picotux200_flash_resource,
 127         .num_resources  = 1,
 128 };
 129
 130 static void __init picotux200_board_init(void)
 131 {
 132         /* Serial */
 133         at91_add_device_serial();
 134         /* Ethernet */
 135         at91_add_device_eth(&picotux200_eth_data);
 136         /* USB Host */
 137         at91_add_device_usbh(&picotux200_usbh_data);
 138         /* USB Device */
 139         // at91_add_device_udc(&picotux200_udc_data);
 140         // at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1);     /* pullup_pin is connected to reset */
 141         /* I2C */
 142         at91_add_device_i2c(NULL, 0);
 143         /* SPI */
 144         // at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
 145 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 146         /* DataFlash card */
 147         at91_set_gpio_output(AT91_PIN_PB22, 0);
 148 #else
 149         /* MMC */
 150         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 151         at91_add_device_mmc(0, &picotux200_mmc_data);
 152 #endif
 153         /* NOR Flash */
 154         platform_device_register(&picotux200_flash);
 155 }
 156
 157 MACHINE_START(PICOTUX2XX, "picotux 200")
 158         /* Maintainer: Kleinhenz Elektronik GmbH */
 159         .phys_io        = AT91_BASE_SYS,
 160         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 161         .boot_params    = AT91_SDRAM_BASE + 0x100,
 162         .timer          = &at91rm9200_timer,
 163         .map_io         = picotux200_map_io,
 164         .init_irq       = picotux200_init_irq,
 165         .init_machine   = picotux200_board_init,
 166 MACHINE_END