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board-afeb-9260v1.c

/*
 * 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


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