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/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/mtd/physmap.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/at91rm9200_mc.h>
  42
  43 #include "generic.h"
  44
  45
  46 static void __init picotux200_init_early(void)
  47 {
  48         /* Initialize processor: 18.432 MHz crystal */
  49         at91_initialize(18432000);
  50
  51         /* DBGU on ttyS0. (Rx & Tx only) */
  52         at91_register_uart(0, 0, 0);
  53
  54         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  55         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  56                           | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  57                           | ATMEL_UART_RI);
  58
  59         /* set serial console to ttyS0 (ie, DBGU) */
  60         at91_set_serial_console(0);
  61 }
  62
  63 static struct at91_eth_data __initdata picotux200_eth_data = {
  64         .phy_irq_pin    = AT91_PIN_PC4,
  65         .is_rmii        = 1,
  66 };
  67
  68 static struct at91_usbh_data __initdata picotux200_usbh_data = {
  69         .ports          = 1,
  70 };
  71
  72 static struct at91_mmc_data __initdata picotux200_mmc_data = {
  73         .det_pin        = AT91_PIN_PB27,
  74         .slot_b         = 0,
  75         .wire4          = 1,
  76         .wp_pin         = AT91_PIN_PA17,
  77 };
  78
  79 #define PICOTUX200_FLASH_BASE   AT91_CHIPSELECT_0
  80 #define PICOTUX200_FLASH_SIZE   SZ_4M
  81
  82 static struct physmap_flash_data picotux200_flash_data = {
  83         .width  = 2,
  84 };
  85
  86 static struct resource picotux200_flash_resource = {
  87         .start          = PICOTUX200_FLASH_BASE,
  88         .end            = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
  89         .flags          = IORESOURCE_MEM,
  90 };
  91
  92 static struct platform_device picotux200_flash = {
  93         .name           = "physmap-flash",
  94         .id             = 0,
  95         .dev            = {
  96                                 .platform_data  = &picotux200_flash_data,
  97                         },
  98         .resource       = &picotux200_flash_resource,
  99         .num_resources  = 1,
 100 };
 101
 102 static void __init picotux200_board_init(void)
 103 {
 104         /* Serial */
 105         at91_add_device_serial();
 106         /* Ethernet */
 107         at91_add_device_eth(&picotux200_eth_data);
 108         /* USB Host */
 109         at91_add_device_usbh(&picotux200_usbh_data);
 110         /* I2C */
 111         at91_add_device_i2c(NULL, 0);
 112         /* MMC */
 113         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 114         at91_add_device_mmc(0, &picotux200_mmc_data);
 115         /* NOR Flash */
 116         platform_device_register(&picotux200_flash);
 117 }
 118
 119 MACHINE_START(PICOTUX2XX, "picotux 200")
 120         /* Maintainer: Kleinhenz Elektronik GmbH */
 121         .timer          = &at91rm9200_timer,
 122         .map_io         = at91_map_io,
 123         .init_early     = picotux200_init_early,
 124         .init_irq       = at91_init_irq_default,
 125         .init_machine   = picotux200_board_init,
 126 MACHINE_END