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