/*
 * linux/arch/arm/mach-at91/board-afeb-9260v1.c
 *
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2006 Atmel
 *  Copyright (C) 2008 Sergey Lapin
 *
 * A custom board designed as open hardware; PCBs and various information
 * is available at http://groups.google.com/group/arm9fpga-evolution-board/
 * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
 *
 * 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/clk.h>
#include <linux/dma-mapping.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 "generic.h"


static void __init afeb9260_map_io(void)
{
        /* Initialize processor: 18.432 MHz crystal */
        at91sam9260_initialize(18432000);

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

        /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
        at91_register_uart(AT91SAM9260_ID_US0, 1,
                             ATMEL_UART_CTS | ATMEL_UART_RTS
                           | ATMEL_UART_DTR | ATMEL_UART_DSR
                           | ATMEL_UART_DCD | ATMEL_UART_RI);

        /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
        at91_register_uart(AT91SAM9260_ID_US1, 2,
                        ATMEL_UART_CTS | ATMEL_UART_RTS);

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

static void __init afeb9260_init_irq(void)
{
        at91sam9260_init_interrupts(NULL);
}


/*
 * USB Host port
 */
static struct at91_usbh_data __initdata afeb9260_usbh_data = {
        .ports          = 1,
};

/*
 * USB Device port
 */
static struct at91_udc_data __initdata afeb9260_udc_data = {
        .vbus_pin       = AT91_PIN_PC5,
        .pullup_pin     = 0,            /* pull-up driven by UDC */
};



/*
 * SPI devices.
 */
static struct spi_board_info afeb9260_spi_devices[] = {
        {       /* DataFlash chip */
                .modalias       = "mtd_dataflash",
                .chip_select    = 1,
                .max_speed_hz   = 15 * 1000 * 1000,
                .bus_num        = 0,
        },
};


/*
 * MACB Ethernet device
 */
static struct at91_eth_data __initdata afeb9260_macb_data = {
        .phy_irq_pin    = AT91_PIN_PA9,
        .is_rmii        = 0,
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata afeb9260_nand_partition[] = {
        {
                .name   = "bootloader",
                .offset = 0,
                .size   = (640 * SZ_1K),
        },
        {
                .name   = "kernel",
                .offset = MTDPART_OFS_NXTBLK,
                .size   = SZ_2M,
        },
        {
                .name   = "rootfs",
                .offset = MTDPART_OFS_NXTBLK,
                .size   = MTDPART_SIZ_FULL,
        },
};

static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
        *num_partitions = ARRAY_SIZE(afeb9260_nand_partition);
        return afeb9260_nand_partition;
}

static struct atmel_nand_data __initdata afeb9260_nand_data = {
        .ale            = 21,
        .cle            = 22,
        .rdy_pin        = AT91_PIN_PC13,
        .enable_pin     = AT91_PIN_PC14,
        .partition_info = nand_partitions,
        .bus_width_16   = 0,
};


/*
 * MCI (SD/MMC)
 */
static struct at91_mmc_data __initdata afeb9260_mmc_data = {
        .det_pin        = AT91_PIN_PC9,
        .wp_pin         = AT91_PIN_PC4,
        .slot_b         = 1,
        .wire4          = 1,
};



static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
        {
                I2C_BOARD_INFO("tlv320aic23", 0x1a),
        }, {
                I2C_BOARD_INFO("fm3130", 0x68),
        }, {
                I2C_BOARD_INFO("24c64", 0x50),
        },
};

/*
 * IDE (CF True IDE mode)
 */
static struct at91_cf_data afeb9260_cf_data = {
        .chipselect = 4,
        .irq_pin    = AT91_PIN_PA6,
        .rst_pin    = AT91_PIN_PA7,
        .flags      = AT91_CF_TRUE_IDE,
};

static void __init afeb9260_board_init(void)
{
        /* Serial */
        at91_add_device_serial();
        /* USB Host */
        at91_add_device_usbh(&afeb9260_usbh_data);
        /* USB Device */
        at91_add_device_udc(&afeb9260_udc_data);
        /* SPI */
        at91_add_device_spi(afeb9260_spi_devices,
                        ARRAY_SIZE(afeb9260_spi_devices));
        /* NAND */
        at91_add_device_nand(&afeb9260_nand_data);
        /* Ethernet */
        at91_add_device_eth(&afeb9260_macb_data);

        /* Standard function's pin assignments are not
         * appropriate for us and generic code provide
         * no API to configure these pins any other way */
        at91_set_B_periph(AT91_PIN_PA10, 0);    /* ETX2 */
        at91_set_B_periph(AT91_PIN_PA11, 0);    /* ETX3 */
        /* MMC */
        at91_add_device_mmc(0, &afeb9260_mmc_data);
        /* I2C */
        at91_add_device_i2c(afeb9260_i2c_devices,
                        ARRAY_SIZE(afeb9260_i2c_devices));
        /* Audio */
        at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
        /* IDE */
        at91_add_device_cf(&afeb9260_cf_data);
}

MACHINE_START(AFEB9260, "Custom afeb9260 board")
        /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
        .boot_params    = AT91_SDRAM_BASE + 0x100,
        .timer          = &at91sam926x_timer,
        .map_io         = afeb9260_map_io,
        .init_irq       = afeb9260_init_irq,
        .init_machine   = afeb9260_board_init,
MACHINE_END