/*
   * KwikByte CAM60 (KB9260)
   *
   * based on board-sam9260ek.c
   *   Copyright (C) 2005 SAN People
   *   Copyright (C) 2006 Atmel
   *
   * 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/spi/flash.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/at91sam9_smc.h>
  
  #include "at91_aic.h"
  #include "board.h"
  #include "sam9_smc.h"
  #include "generic.h"
  
  
  static void __init cam60_init_early(void)
  {
  	/* Initialize processor: 10 MHz crystal */
  	at91_initialize(10000000);
  }
  
  /*
   * USB Host
   */
  static struct at91_usbh_data __initdata cam60_usbh_data = {
  	.ports		= 1,
  	.vbus_pin	= {-EINVAL, -EINVAL},
  	.overcurrent_pin= {-EINVAL, -EINVAL},
  };
  
  
  /*
   * SPI devices.
   */
  #if defined(CONFIG_MTD_DATAFLASH)
  static struct mtd_partition cam60_spi_partitions[] = {
  	{
  		.name	= "BOOT1",
  		.offset	= 0,
  		.size	= 4 * 1056,
  	},
  	{
  		.name	= "BOOT2",
  		.offset	= MTDPART_OFS_NXTBLK,
  		.size	= 256 * 1056,
  	},
  	{
  		.name	= "kernel",
  		.offset	= MTDPART_OFS_NXTBLK,
  		.size	= 2222 * 1056,
  	},
  	{
  		.name	= "file system",
  		.offset	= MTDPART_OFS_NXTBLK,
  		.size	= MTDPART_SIZ_FULL,
  	},
  };
  
  static struct flash_platform_data cam60_spi_flash_platform_data = {
  	.name		= "spi_flash",
  	.parts		= cam60_spi_partitions,
  	.nr_parts	= ARRAY_SIZE(cam60_spi_partitions)
  };
  #endif
  
  static struct spi_board_info cam60_spi_devices[] __initdata = {
  #if defined(CONFIG_MTD_DATAFLASH)
  	{	/* DataFlash chip */
  		.modalias	= "mtd_dataflash",
  		.chip_select	= 0,
  		.max_speed_hz	= 15 * 1000 * 1000,
  		.bus_num	= 0,
  		.platform_data	= &cam60_spi_flash_platform_data
  	},
  #endif
  };
  
  
  /*
   * MACB Ethernet device
   */
  static struct macb_platform_data cam60_macb_data __initdata = {
  	.phy_irq_pin	= AT91_PIN_PB5,
  	.is_rmii	= 0,
  };
  
  
  /*
   * NAND Flash
   */
  static struct mtd_partition __initdata cam60_nand_partition[] = {
  	{
  		.name	= "nand_fs",
  		.offset	= 0,
  		.size	= MTDPART_SIZ_FULL,
  	},
  };
  
  static struct atmel_nand_data __initdata cam60_nand_data = {
  	.ale		= 21,
  	.cle		= 22,
  	.det_pin	= -EINVAL,
  	.rdy_pin	= AT91_PIN_PA9,
  	.enable_pin	= AT91_PIN_PA7,
  	.ecc_mode	= NAND_ECC_SOFT,
  	.parts		= cam60_nand_partition,
  	.num_parts	= ARRAY_SIZE(cam60_nand_partition),
  };
  
  static struct sam9_smc_config __initdata cam60_nand_smc_config = {
  	.ncs_read_setup		= 0,
  	.nrd_setup		= 1,
  	.ncs_write_setup	= 0,
  	.nwe_setup		= 1,
  
  	.ncs_read_pulse		= 3,
  	.nrd_pulse		= 3,
  	.ncs_write_pulse	= 3,
  	.nwe_pulse		= 3,
  
  	.read_cycle		= 5,
  	.write_cycle		= 5,
  
  	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
  	.tdf_cycles		= 2,
  };
  
  static void __init cam60_add_device_nand(void)
  {
  	/* configure chip-select 3 (NAND) */
  	sam9_smc_configure(0, 3, &cam60_nand_smc_config);
  
  	at91_add_device_nand(&cam60_nand_data);
  }
  
  
  static void __init cam60_board_init(void)
  {
  	/* Serial */
  	/* DBGU on ttyS0. (Rx & Tx only) */
  	at91_register_uart(0, 0, 0);
  	at91_add_device_serial();
  	/* SPI */
  	at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
  	/* Ethernet */
  	at91_add_device_eth(&cam60_macb_data);
  	/* USB Host */
  	/* enable USB power supply circuit */
  	at91_set_gpio_output(AT91_PIN_PB18, 1);
  	at91_add_device_usbh(&cam60_usbh_data);
  	/* NAND */
  	cam60_add_device_nand();
  }
  
  MACHINE_START(CAM60, "KwikByte CAM60")
  	/* Maintainer: KwikByte */
  	.init_time	= at91sam926x_pit_init,
  	.map_io		= at91_map_io,
  	.handle_irq	= at91_aic_handle_irq,
  	.init_early	= cam60_init_early,
  	.init_irq	= at91_init_irq_default,
  	.init_machine	= cam60_board_init,
  MACHINE_END