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/interrupt.h>
  20
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <mach/addr-map.h>
  24 #include <mach/mfp-mmp2.h>
  25 #include <mach/mmp2.h>
  26 #include <mach/irqs.h>
  27
  28 #include "common.h"
  29
  30 #define FLINT_NR_IRQS   (MMP_NR_IRQS + 48)
  31
  32 static unsigned long flint_pin_config[] __initdata = {
  33         /* UART1 */
  34         GPIO45_UART1_RXD,
  35         GPIO46_UART1_TXD,
  36
  37         /* UART2 */
  38         GPIO47_UART2_RXD,
  39         GPIO48_UART2_TXD,
  40
  41         /* SMC */
  42         GPIO151_SMC_SCLK,
  43         GPIO145_SMC_nCS0,
  44         GPIO146_SMC_nCS1,
  45         GPIO152_SMC_BE0,
  46         GPIO153_SMC_BE1,
  47         GPIO154_SMC_IRQ,
  48         GPIO113_SMC_RDY,
  49
  50         /*Ethernet*/
  51         GPIO155_GPIO,
  52
  53         /* DFI */
  54         GPIO168_DFI_D0,
  55         GPIO167_DFI_D1,
  56         GPIO166_DFI_D2,
  57         GPIO165_DFI_D3,
  58         GPIO107_DFI_D4,
  59         GPIO106_DFI_D5,
  60         GPIO105_DFI_D6,
  61         GPIO104_DFI_D7,
  62         GPIO111_DFI_D8,
  63         GPIO164_DFI_D9,
  64         GPIO163_DFI_D10,
  65         GPIO162_DFI_D11,
  66         GPIO161_DFI_D12,
  67         GPIO110_DFI_D13,
  68         GPIO109_DFI_D14,
  69         GPIO108_DFI_D15,
  70         GPIO143_ND_nCS0,
  71         GPIO144_ND_nCS1,
  72         GPIO147_ND_nWE,
  73         GPIO148_ND_nRE,
  74         GPIO150_ND_ALE,
  75         GPIO149_ND_CLE,
  76         GPIO112_ND_RDY0,
  77         GPIO160_ND_RDY1,
  78 };
  79
  80 static struct smc91x_platdata flint_smc91x_info = {
  81         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  82 };
  83
  84 static struct resource smc91x_resources[] = {
  85         [0] = {
  86                 .start  = SMC_CS1_PHYS_BASE + 0x300,
  87                 .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  88                 .flags  = IORESOURCE_MEM,
  89         },
  90         [1] = {
  91                 .start  = MMP_GPIO_TO_IRQ(155),
  92                 .end    = MMP_GPIO_TO_IRQ(155),
  93                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  94         }
  95 };
  96
  97 static struct platform_device smc91x_device = {
  98         .name           = "smc91x",
  99         .id             = 0,
 100         .dev            = {
 101                 .platform_data = &flint_smc91x_info,
 102         },
 103         .num_resources  = ARRAY_SIZE(smc91x_resources),
 104         .resource       = smc91x_resources,
 105 };
 106
 107 static void __init flint_init(void)
 108 {
 109         mfp_config(ARRAY_AND_SIZE(flint_pin_config));
 110
 111         /* on-chip devices */
 112         mmp2_add_uart(1);
 113         mmp2_add_uart(2);
 114         platform_device_register(&mmp2_device_gpio);
 115
 116         /* off-chip devices */
 117         platform_device_register(&smc91x_device);
 118 }
 119
 120 MACHINE_START(FLINT, "Flint Development Platform")
 121         .map_io         = mmp_map_io,
 122         .nr_irqs        = FLINT_NR_IRQS,
 123         .init_irq       = mmp2_init_irq,
 124         .timer          = &mmp2_timer,
 125         .init_machine   = flint_init,
 126         .restart        = mmp_restart,
 127 MACHINE_END