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kernel/linux-imx6_3.14.28/arch/arm/mach-at91/board-picotux200.c 3.49 KB
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  /*
   * linux/arch/arm/mach-at91/board-picotux200.c
   *
   *  Copyright (C) 2005 SAN People
   *  Copyright (C) 2007 Kleinhenz Elektronik GmbH
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  #include <linux/types.h>
  #include <linux/gpio.h>
  #include <linux/init.h>
  #include <linux/mm.h>
  #include <linux/module.h>
  #include <linux/platform_device.h>
  #include <linux/spi/spi.h>
  #include <linux/mtd/physmap.h>
  
  #include <mach/hardware.h>
  #include <asm/setup.h>
  #include <asm/mach-types.h>
  #include <asm/irq.h>
  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>
  
  #include <mach/at91rm9200_mc.h>
  #include <mach/at91_ramc.h>
  
  #include "at91_aic.h"
  #include "board.h"
  #include "generic.h"
  
  
  static void __init picotux200_init_early(void)
  {
  	/* Initialize processor: 18.432 MHz crystal */
  	at91_initialize(18432000);
  }
  
  static struct macb_platform_data __initdata picotux200_eth_data = {
  	.phy_irq_pin	= AT91_PIN_PC4,
  	.is_rmii	= 1,
  };
  
  static struct at91_usbh_data __initdata picotux200_usbh_data = {
  	.ports		= 1,
  	.vbus_pin	= {-EINVAL, -EINVAL},
  	.overcurrent_pin= {-EINVAL, -EINVAL},
  };
  
  static struct mci_platform_data __initdata picotux200_mci0_data = {
  	.slot[0] = {
  		.bus_width	= 4,
  		.detect_pin	= AT91_PIN_PB27,
  		.wp_pin		= AT91_PIN_PA17,
  	},
  };
  
  #define PICOTUX200_FLASH_BASE	AT91_CHIPSELECT_0
  #define PICOTUX200_FLASH_SIZE	SZ_4M
  
  static struct physmap_flash_data picotux200_flash_data = {
  	.width	= 2,
  };
  
  static struct resource picotux200_flash_resource = {
  	.start		= PICOTUX200_FLASH_BASE,
  	.end		= PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device picotux200_flash = {
  	.name		= "physmap-flash",
  	.id		= 0,
  	.dev		= {
  				.platform_data	= &picotux200_flash_data,
  			},
  	.resource	= &picotux200_flash_resource,
  	.num_resources	= 1,
  };
  
  static void __init picotux200_board_init(void)
  {
  	/* Serial */
  	/* DBGU on ttyS0. (Rx & Tx only) */
  	at91_register_uart(0, 0, 0);
  
  	/* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  	at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  			  | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  			  | ATMEL_UART_RI);
  	at91_add_device_serial();
  	/* Ethernet */
  	at91_add_device_eth(&picotux200_eth_data);
  	/* USB Host */
  	at91_add_device_usbh(&picotux200_usbh_data);
  	/* I2C */
  	at91_add_device_i2c(NULL, 0);
  	/* MMC */
  	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
  	at91_add_device_mci(0, &picotux200_mci0_data);
  	/* NOR Flash */
  	platform_device_register(&picotux200_flash);
  }
  
  MACHINE_START(PICOTUX2XX, "picotux 200")
  	/* Maintainer: Kleinhenz Elektronik GmbH */
  	.init_time	= at91rm9200_timer_init,
  	.map_io		= at91_map_io,
  	.handle_irq	= at91_aic_handle_irq,
  	.init_early	= picotux200_init_early,
  	.init_irq	= at91_init_irq_default,
  	.init_machine	= picotux200_board_init,
  MACHINE_END