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_init_early(void)
  47 {
  48         /* Initialize processor: 18.432 MHz crystal */
  49         at91rm9200_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 void __init picotux200_init_irq(void)
  64 {
  65         at91rm9200_init_interrupts(NULL);
  66 }
  67
  68 static struct at91_eth_data __initdata picotux200_eth_data = {
  69         .phy_irq_pin    = AT91_PIN_PC4,
  70         .is_rmii        = 1,
  71 };
  72
  73 static struct at91_usbh_data __initdata picotux200_usbh_data = {
  74         .ports          = 1,
  75 };
  76
  77 static struct at91_mmc_data __initdata picotux200_mmc_data = {
  78         .det_pin        = AT91_PIN_PB27,
  79         .slot_b         = 0,
  80         .wire4          = 1,
  81         .wp_pin         = AT91_PIN_PA17,
  82 };
  83
  84 #define PICOTUX200_FLASH_BASE   AT91_CHIPSELECT_0
  85 #define PICOTUX200_FLASH_SIZE   SZ_4M
  86
  87 static struct physmap_flash_data picotux200_flash_data = {
  88         .width  = 2,
  89 };
  90
  91 static struct resource picotux200_flash_resource = {
  92         .start          = PICOTUX200_FLASH_BASE,
  93         .end            = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
  94         .flags          = IORESOURCE_MEM,
  95 };
  96
  97 static struct platform_device picotux200_flash = {
  98         .name           = "physmap-flash",
  99         .id             = 0,
 100         .dev            = {
 101                                 .platform_data  = &picotux200_flash_data,
 102                         },
 103         .resource       = &picotux200_flash_resource,
 104         .num_resources  = 1,
 105 };
 106
 107 static void __init picotux200_board_init(void)
 108 {
 109         /* Serial */
 110         at91_add_device_serial();
 111         /* Ethernet */
 112         at91_add_device_eth(&picotux200_eth_data);
 113         /* USB Host */
 114         at91_add_device_usbh(&picotux200_usbh_data);
 115         /* I2C */
 116         at91_add_device_i2c(NULL, 0);
 117         /* MMC */
 118         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 119         at91_add_device_mmc(0, &picotux200_mmc_data);
 120         /* NOR Flash */
 121         platform_device_register(&picotux200_flash);
 122 }
 123
 124 MACHINE_START(PICOTUX2XX, "picotux 200")
 125         /* Maintainer: Kleinhenz Elektronik GmbH */
 126         .timer          = &at91rm9200_timer,
 127         .map_io         = at91rm9200_map_io,
 128         .init_early     = picotux200_init_early,
 129         .init_irq       = picotux200_init_irq,
 130         .init_machine   = picotux200_board_init,
 131 MACHINE_END