release/src-rt-6.x.4708/linux/linux-2.6.36/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
  20 #include <asm/mach-types.h>
  21 #include <asm/mach/arch.h>
  22 #include <mach/addr-map.h>
  23 #include <mach/mfp-mmp2.h>
  24 #include <mach/mmp2.h>
  25
  26 #include "common.h"
  27
  28 static unsigned long flint_pin_config[] __initdata = {
  29         /* UART1 */
  30         GPIO45_UART1_RXD,
  31         GPIO46_UART1_TXD,
  32
  33         /* UART2 */
  34         GPIO47_UART2_RXD,
  35         GPIO48_UART2_TXD,
  36
  37         /* SMC */
  38         GPIO151_SMC_SCLK,
  39         GPIO145_SMC_nCS0,
  40         GPIO146_SMC_nCS1,
  41         GPIO152_SMC_BE0,
  42         GPIO153_SMC_BE1,
  43         GPIO154_SMC_IRQ,
  44         GPIO113_SMC_RDY,
  45
  46         /*Ethernet*/
  47         GPIO155_GPIO155,
  48
  49         /* DFI */
  50         GPIO168_DFI_D0,
  51         GPIO167_DFI_D1,
  52         GPIO166_DFI_D2,
  53         GPIO165_DFI_D3,
  54         GPIO107_DFI_D4,
  55         GPIO106_DFI_D5,
  56         GPIO105_DFI_D6,
  57         GPIO104_DFI_D7,
  58         GPIO111_DFI_D8,
  59         GPIO164_DFI_D9,
  60         GPIO163_DFI_D10,
  61         GPIO162_DFI_D11,
  62         GPIO161_DFI_D12,
  63         GPIO110_DFI_D13,
  64         GPIO109_DFI_D14,
  65         GPIO108_DFI_D15,
  66         GPIO143_ND_nCS0,
  67         GPIO144_ND_nCS1,
  68         GPIO147_ND_nWE,
  69         GPIO148_ND_nRE,
  70         GPIO150_ND_ALE,
  71         GPIO149_ND_CLE,
  72         GPIO112_ND_RDY0,
  73         GPIO160_ND_RDY1,
  74 };
  75
  76 static struct smc91x_platdata flint_smc91x_info = {
  77         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  78 };
  79
  80 static struct resource smc91x_resources[] = {
  81         [0] = {
  82                 .start  = SMC_CS1_PHYS_BASE + 0x300,
  83                 .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  84                 .flags  = IORESOURCE_MEM,
  85         },
  86         [1] = {
  87                 .start  = gpio_to_irq(155),
  88                 .end    = gpio_to_irq(155),
  89                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  90         }
  91 };
  92
  93 static struct platform_device smc91x_device = {
  94         .name           = "smc91x",
  95         .id             = 0,
  96         .dev            = {
  97                 .platform_data = &flint_smc91x_info,
  98         },
  99         .num_resources  = ARRAY_SIZE(smc91x_resources),
 100         .resource       = smc91x_resources,
 101 };
 102
 103 static void __init flint_init(void)
 104 {
 105         mfp_config(ARRAY_AND_SIZE(flint_pin_config));
 106
 107         /* on-chip devices */
 108         mmp2_add_uart(1);
 109         mmp2_add_uart(2);
 110
 111         /* off-chip devices */
 112         platform_device_register(&smc91x_device);
 113 }
 114
 115 MACHINE_START(FLINT, "Flint Development Platform")
 116         .phys_io        = APB_PHYS_BASE,
 117         .io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
 118         .map_io         = mmp_map_io,
 119         .init_irq       = mmp2_init_irq,
 120         .timer          = &mmp2_timer,
 121         .init_machine   = flint_init,
 122 MACHINE_END