/*
 * 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/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/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9_smc.h>

#include "sam9_smc.h"
#include "generic.h"


static void __init cam60_map_io(void)
{
        /* Initialize processor: 10 MHz crystal */
        at91sam9260_initialize(10000000);

        /* DBGU on ttyS0. (Rx & Tx only) */
        at91_register_uart(0, 0, 0);

        /* set serial console to ttyS0 (ie, DBGU) */
        at91_set_serial_console(0);
}

static void __init cam60_init_irq(void)
{
        at91sam9260_init_interrupts(NULL);
}


/*
 * USB Host
 */
static struct at91_usbh_data __initdata cam60_usbh_data = {
        .ports          = 1,
};


/*
 * SPI devices.
 */
#if defined(CONFIG_MTD_DATAFLASH)
static struct mtd_partition __initdata 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 __initdata 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[] = {
#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 __initdata at91_eth_data cam60_macb_data = {
        .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 mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
        *num_partitions = ARRAY_SIZE(cam60_nand_partition);
        return cam60_nand_partition;
}

static struct atmel_nand_data __initdata cam60_nand_data = {
        .ale            = 21,
        .cle            = 22,
        // .det_pin     = ... not there
        .rdy_pin        = AT91_PIN_PA9,
        .enable_pin     = AT91_PIN_PA7,
        .partition_info = nand_partitions,
};

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(3, &cam60_nand_smc_config);

        at91_add_device_nand(&cam60_nand_data);
}


static void __init cam60_board_init(void)
{
        /* Serial */
        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 */
        .phys_io        = AT91_BASE_SYS,
        .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
        .boot_params    = AT91_SDRAM_BASE + 0x100,
        .timer          = &at91sam926x_timer,
        .map_io         = cam60_map_io,
        .init_irq       = cam60_init_irq,
        .init_machine   = cam60_board_init,
MACHINE_END