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mx31lilly.c

/*
 *  LILLY-1131 module support
 *
 *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
 *
 *  based on code for other MX31 boards,
 *
 *    Copyright 2005-2007 Freescale Semiconductor
 *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
 *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
 *
 * 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/clk.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/mtd/physmap.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>

#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx3.h>
#include <mach/board-mx31lilly.h>

#include "devices.h"

/*
 * This file contains module-specific initialization routines for LILLY-1131.
 * Initialization of peripherals found on the baseboard is implemented in the
 * appropriate baseboard support code.
 */

/* SMSC ethernet support */

static struct resource smsc91x_resources[] = {
      {
            .start      = CS4_BASE_ADDR,
            .end  = CS4_BASE_ADDR + 0xffff,
            .flags      = IORESOURCE_MEM,
      },
      {
            .start      = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
            .end  = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
            .flags      = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
      }
};

static struct smsc911x_platform_config smsc911x_config = {
      .phy_interface    = PHY_INTERFACE_MODE_MII,
      .irq_polarity     = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
      .irq_type   = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
      .flags            = SMSC911X_USE_32BIT |
                    SMSC911X_SAVE_MAC_ADDRESS |
                    SMSC911X_FORCE_INTERNAL_PHY,
};

static struct platform_device smsc91x_device = {
      .name       = "smsc911x",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(smsc91x_resources),
      .resource   = smsc91x_resources,
      .dev        = {
            .platform_data = &smsc911x_config,
      }
};

/* NOR flash */
static struct physmap_flash_data nor_flash_data = {
      .width  = 2,
};

static struct resource nor_flash_resource = {
      .start      = 0xa0000000,
      .end  = 0xa1ffffff,
      .flags      = IORESOURCE_MEM,
};

static struct platform_device physmap_flash_device = {
      .name = "physmap-flash",
      .id   = 0,
      .dev  = {
            .platform_data  = &nor_flash_data,
      },
      .resource = &nor_flash_resource,
      .num_resources = 1,
};

static struct platform_device *devices[] __initdata = {
      &smsc91x_device,
      &physmap_flash_device,
      &mxc_i2c_device1,
};

static int mx31lilly_baseboard;
core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);

static void __init mx31lilly_board_init(void)
{
      switch (mx31lilly_baseboard) {
      case MX31LILLY_NOBOARD:
            break;
      case MX31LILLY_DB:
            mx31lilly_db_init();
            break;
      default:
            printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
                  mx31lilly_baseboard);
      }

      mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
      mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__SCL, "I2C SCL");
      mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__SDA, "I2C SDA");

      platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init mx31lilly_timer_init(void)
{
      mx31_clocks_init(26000000);
}

static struct sys_timer mx31lilly_timer = {
      .init = mx31lilly_timer_init,
};

MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
      .phys_io    = AIPS1_BASE_ADDR,
      .io_pg_offst      = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
      .boot_params      = PHYS_OFFSET + 0x100,
      .map_io           = mx31_map_io,
      .init_irq   = mx31_init_irq,
      .init_machine     = mx31lilly_board_init,
      .timer            = &mx31lilly_timer,
MACHINE_END


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