LXR linux/arch/arm/mach-mmp/flint.c

   1/*
   2 *  linux/arch/arm/mach-mmp/flint.c
   3 *
   4 *  Support for the Marvell Flint Development Platform.
   5 *
   6 *  Copyright (C) 2009 Marvell International Ltd.
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License version 2 as
  10 *  publishhed by the Free Software Foundation.
  11 */
  12
  13#include <linux/init.h>
  14#include <linux/kernel.h>
  15#include <linux/platform_device.h>
  16#include <linux/smc91x.h>
  17#include <linux/io.h>
  18#include <linux/gpio.h>
  19#include <linux/gpio-pxa.h>
  20#include <linux/interrupt.h>
  21
  22#include <asm/mach-types.h>
  23#include <asm/mach/arch.h>
  24#include <mach/addr-map.h>
  25#include <mach/mfp-mmp2.h>
  26#include <mach/mmp2.h>
  27#include <mach/irqs.h>
  28
  29#include "common.h"
  30
  31#define FLINT_NR_IRQS   (MMP_NR_IRQS + 48)
  32
  33static unsigned long flint_pin_config[] __initdata = {
  34        /* UART1 */
  35        GPIO45_UART1_RXD,
  36        GPIO46_UART1_TXD,
  37
  38        /* UART2 */
  39        GPIO47_UART2_RXD,
  40        GPIO48_UART2_TXD,
  41
  42        /* SMC */
  43        GPIO151_SMC_SCLK,
  44        GPIO145_SMC_nCS0,
  45        GPIO146_SMC_nCS1,
  46        GPIO152_SMC_BE0,
  47        GPIO153_SMC_BE1,
  48        GPIO154_SMC_IRQ,
  49        GPIO113_SMC_RDY,
  50
  51        /*Ethernet*/
  52        GPIO155_GPIO,
  53
  54        /* DFI */
  55        GPIO168_DFI_D0,
  56        GPIO167_DFI_D1,
  57        GPIO166_DFI_D2,
  58        GPIO165_DFI_D3,
  59        GPIO107_DFI_D4,
  60        GPIO106_DFI_D5,
  61        GPIO105_DFI_D6,
  62        GPIO104_DFI_D7,
  63        GPIO111_DFI_D8,
  64        GPIO164_DFI_D9,
  65        GPIO163_DFI_D10,
  66        GPIO162_DFI_D11,
  67        GPIO161_DFI_D12,
  68        GPIO110_DFI_D13,
  69        GPIO109_DFI_D14,
  70        GPIO108_DFI_D15,
  71        GPIO143_ND_nCS0,
  72        GPIO144_ND_nCS1,
  73        GPIO147_ND_nWE,
  74        GPIO148_ND_nRE,
  75        GPIO150_ND_ALE,
  76        GPIO149_ND_CLE,
  77        GPIO112_ND_RDY0,
  78        GPIO160_ND_RDY1,
  79};
  80
  81static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
  82        .irq_base       = MMP_GPIO_TO_IRQ(0),
  83};
  84
  85static struct smc91x_platdata flint_smc91x_info = {
  86        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  87};
  88
  89static struct resource smc91x_resources[] = {
  90        [0] = {
  91                .start  = SMC_CS1_PHYS_BASE + 0x300,
  92                .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  93                .flags  = IORESOURCE_MEM,
  94        },
  95        [1] = {
  96                .start  = MMP_GPIO_TO_IRQ(155),
  97                .end    = MMP_GPIO_TO_IRQ(155),
  98                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  99        }
 100};
 101
 102static struct platform_device smc91x_device = {
 103        .name           = "smc91x",
 104        .id             = 0,
 105        .dev            = {
 106                .platform_data = &flint_smc91x_info,
 107        },
 108        .num_resources  = ARRAY_SIZE(smc91x_resources),
 109        .resource       = smc91x_resources,
 110};
 111
 112static void __init flint_init(void)
 113{
 114        mfp_config(ARRAY_AND_SIZE(flint_pin_config));
 115
 116        /* on-chip devices */
 117        mmp2_add_uart(1);
 118        mmp2_add_uart(2);
 119        platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
 120                                 sizeof(struct pxa_gpio_platform_data));
 121        platform_device_register(&mmp2_device_gpio);
 122
 123        /* off-chip devices */
 124        platform_device_register(&smc91x_device);
 125}
 126
 127MACHINE_START(FLINT, "Flint Development Platform")
 128        .map_io         = mmp_map_io,
 129        .nr_irqs        = FLINT_NR_IRQS,
 130        .init_irq       = mmp2_init_irq,
 131        .init_time      = mmp2_timer_init,
 132        .init_machine   = flint_init,
 133        .restart        = mmp_restart,
 134MACHINE_END
 135