kernel/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
  33 static 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
  81 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
  82         .irq_base       = MMP_GPIO_TO_IRQ(0),
  83 };
  84
  85 static struct smc91x_platdata flint_smc91x_info = {
  86         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  87 };
  88
  89 static 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
 102 static 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
 112 static 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
 127 MACHINE_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,
 134 MACHINE_END