/*
   * linux/arch/arm/mach-at91/board-csb337.c
   *
   *  Copyright (C) 2005 SAN People
   *
   * 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 <linux/input.h>
  #include <linux/gpio_keys.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/hardware.h>
  
  #include "at91_aic.h"
  #include "board.h"
  #include "generic.h"
  
  
  static void __init csb337_init_early(void)
  {
  	/* Initialize processor: 3.6864 MHz crystal */
  	at91_initialize(3686400);
  }
  
  static struct macb_platform_data __initdata csb337_eth_data = {
  	.phy_irq_pin	= AT91_PIN_PC2,
  	.is_rmii	= 0,
  	/* The CSB337 bootloader stores the MAC the wrong-way around */
  	.rev_eth_addr	= 1,
  };
  
  static struct at91_usbh_data __initdata csb337_usbh_data = {
  	.ports		= 2,
  	.vbus_pin	= {-EINVAL, -EINVAL},
  	.overcurrent_pin= {-EINVAL, -EINVAL},
  };
  
  static struct at91_udc_data __initdata csb337_udc_data = {
  	.pullup_pin	= AT91_PIN_PA24,
  	.vbus_pin	= -EINVAL,
  };
  
  static struct i2c_board_info __initdata csb337_i2c_devices[] = {
  	{
  		I2C_BOARD_INFO("ds1307", 0x68),
  	},
  };
  
  static struct at91_cf_data __initdata csb337_cf_data = {
  	/*
  	 * connector P4 on the CSB 337 mates to
  	 * connector P8 on the CSB 300CF
  	 */
  
  	/* CSB337 specific */
  	.det_pin	= AT91_PIN_PC3,
  
  	/* CSB300CF specific */
  	.irq_pin	= AT91_PIN_PA19,
  	.vcc_pin	= AT91_PIN_PD0,
  	.rst_pin	= AT91_PIN_PD2,
  };
  
  static struct mci_platform_data __initdata csb337_mci0_data = {
  	.slot[0] = {
  		.bus_width	= 4,
  		.detect_pin	= AT91_PIN_PD5,
  		.wp_pin		= AT91_PIN_PD6,
  	},
  };
  
  static struct spi_board_info csb337_spi_devices[] = {
  	{	/* CAN controller */
  		.modalias	= "sak82c900",
  		.chip_select	= 0,
  		.max_speed_hz	= 6 * 1000 * 1000,
  	},
  };
  
  #define CSB_FLASH_BASE	AT91_CHIPSELECT_0
  #define CSB_FLASH_SIZE	SZ_8M
  
  static struct mtd_partition csb_flash_partitions[] = {
  	{
  		.name		= "uMON flash",
  		.offset		= 0,
  		.size		= MTDPART_SIZ_FULL,
  		.mask_flags	= MTD_WRITEABLE,	/* read only */
  	}
  };
  
  static struct physmap_flash_data csb_flash_data = {
  	.width		= 2,
  	.parts		= csb_flash_partitions,
  	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),
  };
  
  static struct resource csb_flash_resources[] = {
  	{
  		.start	= CSB_FLASH_BASE,
  		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
  		.flags	= IORESOURCE_MEM,
  	}
  };
  
  static struct platform_device csb_flash = {
  	.name		= "physmap-flash",
  	.id		= 0,
  	.dev		= {
  				.platform_data = &csb_flash_data,
  			},
  	.resource	= csb_flash_resources,
  	.num_resources	= ARRAY_SIZE(csb_flash_resources),
  };
  
  /*
   * GPIO Buttons (on CSB300)
   */
  #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
  static struct gpio_keys_button csb300_buttons[] = {
  	{
  		.gpio		= AT91_PIN_PB29,
  		.code		= BTN_0,
  		.desc		= "sw0",
  		.active_low	= 1,
  		.wakeup		= 1,
  	},
  	{
  		.gpio		= AT91_PIN_PB28,
  		.code		= BTN_1,
  		.desc		= "sw1",
  		.active_low	= 1,
  		.wakeup		= 1,
  	},
  	{
  		.gpio		= AT91_PIN_PA21,
  		.code		= BTN_2,
  		.desc		= "sw2",
  		.active_low	= 1,
  		.wakeup		= 1,
  	}
  };
  
  static struct gpio_keys_platform_data csb300_button_data = {
  	.buttons	= csb300_buttons,
  	.nbuttons	= ARRAY_SIZE(csb300_buttons),
  };
  
  static struct platform_device csb300_button_device = {
  	.name		= "gpio-keys",
  	.id		= -1,
  	.num_resources	= 0,
  	.dev		= {
  		.platform_data	= &csb300_button_data,
  	}
  };
  
  static void __init csb300_add_device_buttons(void)
  {
  	at91_set_gpio_input(AT91_PIN_PB29, 1);	/* sw0 */
  	at91_set_deglitch(AT91_PIN_PB29, 1);
  	at91_set_gpio_input(AT91_PIN_PB28, 1);	/* sw1 */
  	at91_set_deglitch(AT91_PIN_PB28, 1);
  	at91_set_gpio_input(AT91_PIN_PA21, 1);	/* sw2 */
  	at91_set_deglitch(AT91_PIN_PA21, 1);
  
  	platform_device_register(&csb300_button_device);
  }
  #else
  static void __init csb300_add_device_buttons(void) {}
  #endif
  
  static struct gpio_led csb_leds[] = {
  	{	/* "led0", yellow */
  		.name			= "led0",
  		.gpio			= AT91_PIN_PB2,
  		.active_low		= 1,
  		.default_trigger	= "heartbeat",
  	},
  	{	/* "led1", green */
  		.name			= "led1",
  		.gpio			= AT91_PIN_PB1,
  		.active_low		= 1,
  		.default_trigger	= "mmc0",
  	},
  	{	/* "led2", yellow */
  		.name			= "led2",
  		.gpio			= AT91_PIN_PB0,
  		.active_low		= 1,
  		.default_trigger	= "ide-disk",
  	}
  };
  
  
  static void __init csb337_board_init(void)
  {
  	/* Serial */
  	/* DBGU on ttyS0 */
  	at91_register_uart(0, 0, 0);
  	at91_add_device_serial();
  	/* Ethernet */
  	at91_add_device_eth(&csb337_eth_data);
  	/* USB Host */
  	at91_add_device_usbh(&csb337_usbh_data);
  	/* USB Device */
  	at91_add_device_udc(&csb337_udc_data);
  	/* I2C */
  	at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
  	/* Compact Flash */
  	at91_set_gpio_input(AT91_PIN_PB22, 1);		/* IOIS16 */
  	at91_add_device_cf(&csb337_cf_data);
  	/* SPI */
  	at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
  	/* MMC */
  	at91_add_device_mci(0, &csb337_mci0_data);
  	/* NOR flash */
  	platform_device_register(&csb_flash);
  	/* LEDs */
  	at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
  	/* Switches on CSB300 */
  	csb300_add_device_buttons();
  }
  
  MACHINE_START(CSB337, "Cogent CSB337")
  	/* Maintainer: Bill Gatliff */
  	.init_time	= at91rm9200_timer_init,
  	.map_io		= at91_map_io,
  	.handle_irq	= at91_aic_handle_irq,
  	.init_early	= csb337_init_early,
  	.init_irq	= at91_init_irq_default,
  	.init_machine	= csb337_board_init,
  MACHINE_END