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 <asm/system.h>
  18 #include <asm/hardware.h>
  19 #include <asm/irq.h>
  20 #include <asm/pgtable.h>
  21 #include <asm/page.h>
  22
  23 #include <asm/mach/map.h>
  24 #include <asm/mach-types.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <linux/interrupt.h>
  28 #include "generic.h"
  29 #include <asm/serial.h>
  30
  31 static struct resource mx1ads_resources[] = {
  32         [0] = {
  33                 .start  = IMX_CS4_VIRT,
  34                 .end    = IMX_CS4_VIRT + 16,
  35                 .flags  = IORESOURCE_MEM,
  36         },
  37         [1] = {
  38                 .start  = 13,
  39                 .end    = 13,
  40                 .flags  = IORESOURCE_IRQ,
  41         },
  42 };
  43
  44 static struct platform_device mx1ads_device = {
  45         .name           = "mx1ads",
  46         .num_resources  = ARRAY_SIZE(mx1ads_resources),
  47         .resource       = mx1ads_resources,
  48 };
  49
  50 static struct platform_device *devices[] __initdata = {
  51         &mx1ads_device,
  52 };
  53
  54 static void __init
  55 mx1ads_init(void)
  56 {
  57 #ifdef CONFIG_LEDS
  58         imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
  59 #endif
  60         platform_add_devices(devices, ARRAY_SIZE(devices));
  61 }
  62
  63 static struct map_desc mx1ads_io_desc[] __initdata = {
  64         {
  65                 .virtual        = IMX_CS0_VIRT,
  66                 .pfn            = __phys_to_pfn(IMX_CS0_PHYS),
  67                 .length         = IMX_CS0_SIZE,
  68                 .type           = MT_DEVICE
  69         }, {
  70                 .virtual        = IMX_CS1_VIRT,
  71                 .pfn            = __phys_to_pfn(IMX_CS1_PHYS),
  72                 .length         = IMX_CS1_SIZE,
  73                 .type           = MT_DEVICE
  74         }, {
  75                 .virtual        = IMX_CS2_VIRT,
  76                 .pfn            = __phys_to_pfn(IMX_CS2_PHYS),
  77                 .length         = IMX_CS2_SIZE,
  78                 .type           = MT_DEVICE
  79         }, {
  80                 .virtual        = IMX_CS3_VIRT,
  81                 .pfn            = __phys_to_pfn(IMX_CS3_PHYS),
  82                 .length         = IMX_CS3_SIZE,
  83                 .type           = MT_DEVICE
  84         }, {
  85                 .virtual        = IMX_CS4_VIRT,
  86                 .pfn            = __phys_to_pfn(IMX_CS4_PHYS),
  87                 .length         = IMX_CS4_SIZE,
  88                 .type           = MT_DEVICE
  89         }, {
  90                 .virtual        = IMX_CS5_VIRT,
  91                 .pfn            = __phys_to_pfn(IMX_CS5_PHYS),
  92                 .length         = IMX_CS5_SIZE,
  93                 .type           = MT_DEVICE
  94         }
  95 };
  96
  97 static void __init
  98 mx1ads_map_io(void)
  99 {
 100         imx_map_io();
 101         iotable_init(mx1ads_io_desc, ARRAY_SIZE(mx1ads_io_desc));
 102 }
 103
 104 MACHINE_START(MX1ADS, "Motorola MX1ADS")
 105         /* Maintainer: Sascha Hauer, Pengutronix */
 106         .phys_ram       = 0x08000000,
 107         .phys_io        = 0x00200000,
 108         .io_pg_offst    = ((0xe0200000) >> 18) & 0xfffc,
 109         .boot_params    = 0x08000100,
 110         .map_io         = mx1ads_map_io,
 111         .init_irq       = imx_init_irq,
 112         .timer          = &imx_timer,
 113         .init_machine   = mx1ads_init,
 114 MACHINE_END