kernel/arch/arm/mach-mmp/tavorevb.c

   1 /*
   2  *  linux/arch/arm/mach-mmp/tavorevb.c
   3  *
   4  *  Support for the Marvell PXA910-based TavorEVB Development Platform.
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  publishhed by the Free Software Foundation.
   9  */
  10 #include <linux/gpio.h>
  11 #include <linux/gpio-pxa.h>
  12 #include <linux/init.h>
  13 #include <linux/kernel.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/smc91x.h>
  16
  17 #include <asm/mach-types.h>
  18 #include <asm/mach/arch.h>
  19 #include <mach/addr-map.h>
  20 #include <mach/mfp-pxa910.h>
  21 #include <mach/pxa910.h>
  22 #include <mach/irqs.h>
  23
  24 #include "common.h"
  25
  26 static unsigned long tavorevb_pin_config[] __initdata = {
  27         /* UART2 */
  28         GPIO47_UART2_RXD,
  29         GPIO48_UART2_TXD,
  30
  31         /* SMC */
  32         SM_nCS0_nCS0,
  33         SM_ADV_SM_ADV,
  34         SM_SCLK_SM_SCLK,
  35         SM_SCLK_SM_SCLK,
  36         SM_BE0_SM_BE0,
  37         SM_BE1_SM_BE1,
  38
  39         /* DFI */
  40         DF_IO0_ND_IO0,
  41         DF_IO1_ND_IO1,
  42         DF_IO2_ND_IO2,
  43         DF_IO3_ND_IO3,
  44         DF_IO4_ND_IO4,
  45         DF_IO5_ND_IO5,
  46         DF_IO6_ND_IO6,
  47         DF_IO7_ND_IO7,
  48         DF_IO8_ND_IO8,
  49         DF_IO9_ND_IO9,
  50         DF_IO10_ND_IO10,
  51         DF_IO11_ND_IO11,
  52         DF_IO12_ND_IO12,
  53         DF_IO13_ND_IO13,
  54         DF_IO14_ND_IO14,
  55         DF_IO15_ND_IO15,
  56         DF_nCS0_SM_nCS2_nCS0,
  57         DF_ALE_SM_WEn_ND_ALE,
  58         DF_CLE_SM_OEn_ND_CLE,
  59         DF_WEn_DF_WEn,
  60         DF_REn_DF_REn,
  61         DF_RDY0_DF_RDY0,
  62 };
  63
  64 static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  65         .irq_base       = MMP_GPIO_TO_IRQ(0),
  66 };
  67
  68 static struct smc91x_platdata tavorevb_smc91x_info = {
  69         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  70 };
  71
  72 static struct resource smc91x_resources[] = {
  73         [0] = {
  74                 .start  = SMC_CS1_PHYS_BASE + 0x300,
  75                 .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  76                 .flags  = IORESOURCE_MEM,
  77         },
  78         [1] = {
  79                 .start  = MMP_GPIO_TO_IRQ(80),
  80                 .end    = MMP_GPIO_TO_IRQ(80),
  81                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  82         }
  83 };
  84
  85 static struct platform_device smc91x_device = {
  86         .name           = "smc91x",
  87         .id             = 0,
  88         .dev            = {
  89                 .platform_data = &tavorevb_smc91x_info,
  90         },
  91         .num_resources  = ARRAY_SIZE(smc91x_resources),
  92         .resource       = smc91x_resources,
  93 };
  94
  95 static void __init tavorevb_init(void)
  96 {
  97         mfp_config(ARRAY_AND_SIZE(tavorevb_pin_config));
  98
  99         /* on-chip devices */
 100         pxa910_add_uart(1);
 101         platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
 102                                  sizeof(struct pxa_gpio_platform_data));
 103         platform_device_register(&pxa910_device_gpio);
 104
 105         /* off-chip devices */
 106         platform_device_register(&smc91x_device);
 107 }
 108
 109 MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)")
 110         .map_io         = mmp_map_io,
 111         .nr_irqs        = MMP_NR_IRQS,
 112         .init_irq       = pxa910_init_irq,
 113         .init_time      = pxa910_timer_init,
 114         .init_machine   = tavorevb_init,
 115         .restart        = mmp_restart,
 116 MACHINE_END