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flint.c

/*
 *  linux/arch/arm/mach-mmp/flint.c
 *
 *  Support for the Marvell Flint Development Platform.
 *
 *  Copyright (C) 2009 Marvell International Ltd.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/addr-map.h>
#include <mach/mfp-mmp2.h>
#include <mach/mmp2.h>

#include "common.h"

#define FLINT_NR_IRQS   (IRQ_BOARD_START + 48)

static unsigned long flint_pin_config[] __initdata = {
      /* UART1 */
      GPIO45_UART1_RXD,
      GPIO46_UART1_TXD,

      /* UART2 */
      GPIO47_UART2_RXD,
      GPIO48_UART2_TXD,

      /* SMC */
      GPIO151_SMC_SCLK,
      GPIO145_SMC_nCS0,
      GPIO146_SMC_nCS1,
      GPIO152_SMC_BE0,
      GPIO153_SMC_BE1,
      GPIO154_SMC_IRQ,
      GPIO113_SMC_RDY,

      /*Ethernet*/
      GPIO155_GPIO,

      /* DFI */
      GPIO168_DFI_D0,
      GPIO167_DFI_D1,
      GPIO166_DFI_D2,
      GPIO165_DFI_D3,
      GPIO107_DFI_D4,
      GPIO106_DFI_D5,
      GPIO105_DFI_D6,
      GPIO104_DFI_D7,
      GPIO111_DFI_D8,
      GPIO164_DFI_D9,
      GPIO163_DFI_D10,
      GPIO162_DFI_D11,
      GPIO161_DFI_D12,
      GPIO110_DFI_D13,
      GPIO109_DFI_D14,
      GPIO108_DFI_D15,
      GPIO143_ND_nCS0,
      GPIO144_ND_nCS1,
      GPIO147_ND_nWE,
      GPIO148_ND_nRE,
      GPIO150_ND_ALE,
      GPIO149_ND_CLE,
      GPIO112_ND_RDY0,
      GPIO160_ND_RDY1,
};

static struct smc91x_platdata flint_smc91x_info = {
      .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
};

static struct resource smc91x_resources[] = {
      [0] = {
            .start  = SMC_CS1_PHYS_BASE + 0x300,
            .end    = SMC_CS1_PHYS_BASE + 0xfffff,
            .flags  = IORESOURCE_MEM,
      },
      [1] = {
            .start  = gpio_to_irq(155),
            .end    = gpio_to_irq(155),
            .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      }
};

static struct platform_device smc91x_device = {
      .name           = "smc91x",
      .id             = 0,
      .dev            = {
            .platform_data = &flint_smc91x_info,
      },
      .num_resources  = ARRAY_SIZE(smc91x_resources),
      .resource       = smc91x_resources,
};

static void __init flint_init(void)
{
      mfp_config(ARRAY_AND_SIZE(flint_pin_config));

      /* on-chip devices */
      mmp2_add_uart(1);
      mmp2_add_uart(2);

      /* off-chip devices */
      platform_device_register(&smc91x_device);
}

MACHINE_START(FLINT, "Flint Development Platform")
      .map_io           = mmp_map_io,
      .nr_irqs    = FLINT_NR_IRQS,
      .init_irq       = mmp2_init_irq,
      .timer          = &mmp2_timer,
      .init_machine   = flint_init,
MACHINE_END

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