board-afeb-9260v1.c

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/*
 * 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/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/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/at91_aic.h>

#include "generic.h"


static void __init afeb9260_init_early(void)
{
    /* Initialize processor: 18.432 MHz crystal */
    at91_initialize(18432000);
}

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

/*
 * USB Device port
 */
static struct at91_udc_data __initdata afeb9260_udc_data = {
    .vbus_pin   = AT91_PIN_PC5,
    .pullup_pin = -EINVAL,      /* 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 macb_platform_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 atmel_nand_data __initdata afeb9260_nand_data = {
    .ale        = 21,
    .cle        = 22,
    .rdy_pin    = AT91_PIN_PC13,
    .enable_pin = AT91_PIN_PC14,
    .bus_width_16   = 0,
    .ecc_mode   = NAND_ECC_SOFT,
    .parts      = afeb9260_nand_partition,
    .num_parts  = ARRAY_SIZE(afeb9260_nand_partition),
    .det_pin    = -EINVAL,
};


/*
 * MCI (SD/MMC)
 */
static struct mci_platform_data __initdata afeb9260_mci0_data = {
    .slot[1] = {
        .bus_width  = 4,
        .detect_pin = AT91_PIN_PC9,
        .wp_pin     = AT91_PIN_PC4,
    },
};



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,
    .det_pin    = -EINVAL,
    .vcc_pin    = -EINVAL,
    .rst_pin    = AT91_PIN_PA7,
    .flags      = AT91_CF_TRUE_IDE,
};

static void __init afeb9260_board_init(void)
{
    /* Serial */
    /* 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);
    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_mci(0, &afeb9260_mci0_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 <[email protected]> */
    .timer      = &at91sam926x_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = afeb9260_init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = afeb9260_board_init,
MACHINE_END