arch/arm/mach-imx/mx1ads.c

   1 /*
   2  * arch/arm/mach-imx/mx1ads.c
   3  *
   4  * Initially based on:
   5  *      linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
   6  *      Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
   7  *
   8  * 2004 (c) MontaVista Software, Inc.
   9  *
  10  * This file is licensed under the terms of the GNU General Public
  11  * License version 2. This program is licensed "as is" without any
  12  * warranty of any kind, whether express or implied.
  13  */
  14
  15 #include <linux/device.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <asm/system.h>
  19 #include <asm/hardware.h>
  20 #include <asm/irq.h>
  21 #include <asm/pgtable.h>
  22 #include <asm/page.h>
  23
  24 #include <asm/mach/map.h>
  25 #include <asm/mach-types.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <linux/interrupt.h>
  29 #include "generic.h"
  30 #include <asm/serial.h>
  31
  32 static struct resource mx1ads_resources[] = {
  33         [0] = {
  34                 .start  = IMX_CS4_VIRT,
  35                 .end    = IMX_CS4_VIRT + 16,
  36                 .flags  = IORESOURCE_MEM,
  37         },
  38         [1] = {
  39                 .start  = 13,
  40                 .end    = 13,
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43 };
  44
  45 static struct platform_device mx1ads_device = {
  46         .name           = "mx1ads",
  47         .num_resources  = ARRAY_SIZE(mx1ads_resources),
  48         .resource       = mx1ads_resources,
  49 };
  50
  51 static struct platform_device *devices[] __initdata = {
  52         &mx1ads_device,
  53 };
  54
  55 static void __init
  56 mx1ads_init(void)
  57 {
  58 #ifdef CONFIG_LEDS
  59         imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
  60 #endif
  61         platform_add_devices(devices, ARRAY_SIZE(devices));
  62 }
  63
  64 static struct map_desc mx1ads_io_desc[] __initdata = {
  65         {
  66                 .virtual        = IMX_CS0_VIRT,
  67                 .pfn            = __phys_to_pfn(IMX_CS0_PHYS),
  68                 .length         = IMX_CS0_SIZE,
  69                 .type           = MT_DEVICE
  70         }, {
  71                 .virtual        = IMX_CS1_VIRT,
  72                 .pfn            = __phys_to_pfn(IMX_CS1_PHYS),
  73                 .length         = IMX_CS1_SIZE,
  74                 .type           = MT_DEVICE
  75         }, {
  76                 .virtual        = IMX_CS2_VIRT,
  77                 .pfn            = __phys_to_pfn(IMX_CS2_PHYS),
  78                 .length         = IMX_CS2_SIZE,
  79                 .type           = MT_DEVICE
  80         }, {
  81                 .virtual        = IMX_CS3_VIRT,
  82                 .pfn            = __phys_to_pfn(IMX_CS3_PHYS),
  83                 .length         = IMX_CS3_SIZE,
  84                 .type           = MT_DEVICE
  85         }, {
  86                 .virtual        = IMX_CS4_VIRT,
  87                 .pfn            = __phys_to_pfn(IMX_CS4_PHYS),
  88                 .length         = IMX_CS4_SIZE,
  89                 .type           = MT_DEVICE
  90         }, {
  91                 .virtual        = IMX_CS5_VIRT,
  92                 .pfn            = __phys_to_pfn(IMX_CS5_PHYS),
  93                 .length         = IMX_CS5_SIZE,
  94                 .type           = MT_DEVICE
  95         }
  96 };
  97
  98 static void __init
  99 mx1ads_map_io(void)
 100 {
 101         imx_map_io();
 102         iotable_init(mx1ads_io_desc, ARRAY_SIZE(mx1ads_io_desc));
 103 }
 104
 105 MACHINE_START(MX1ADS, "Motorola MX1ADS")
 106         /* Maintainer: Sascha Hauer, Pengutronix */
 107         .phys_ram       = 0x08000000,
 108         .phys_io        = 0x00200000,
 109         .io_pg_offst    = ((0xe0200000) >> 18) & 0xfffc,
 110         .boot_params    = 0x08000100,
 111         .map_io         = mx1ads_map_io,
 112         .init_irq       = imx_init_irq,
 113         .timer          = &imx_timer,
 114         .init_machine   = mx1ads_init,
 115 MACHINE_END