arch/arm/mach-s3c2410/bast-ide.c

   1 /* linux/arch/arm/mach-s3c2410/bast-ide.c
   2  *
   3  * Copyright 2007 Simtec Electronics
   4  *      http://www.simtec.co.uk/products/EB2410ITX/
   5  *      http://armlinux.simtec.co.uk/
   6  *      Ben Dooks <ben@simtec.co.uk>
   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  * published by the Free Software Foundation.
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/init.h>
  16 #include <linux/interrupt.h>
  17
  18 #include <linux/platform_device.h>
  19 #include <linux/ata_platform.h>
  20
  21 #include <asm/mach-types.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/mach/irq.h>
  26
  27 #include <mach/map.h>
  28 #include <mach/bast-map.h>
  29 #include <mach/bast-irq.h>
  30
  31 /* IDE ports */
  32
  33 static struct pata_platform_info bast_ide_platdata = {
  34         .ioport_shift   = 5,
  35 };
  36
  37 #define IDE_CS  S3C2410_CS5
  38
  39 static struct resource bast_ide0_resource[] = {
  40         [0]     = {
  41                 .start  = IDE_CS + BAST_PA_IDEPRI,
  42                 .end    = IDE_CS + BAST_PA_IDEPRI + (8 * 0x20) - 1,
  43                 .flags  = IORESOURCE_MEM,
  44         },
  45         [1]     = {
  46                 .start  = IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20) ,
  47                 .end    = IDE_CS + BAST_PA_IDEPRIAUX + (7 * 0x20) - 1,
  48                 .flags  = IORESOURCE_MEM,
  49         },
  50         [2]     = {
  51                 .start  = IRQ_IDE0,
  52                 .end    = IRQ_IDE0,
  53                 .flags  = IORESOURCE_IRQ,
  54         },
  55 };
  56
  57 static struct platform_device bast_device_ide0 = {
  58         .name           = "pata_platform",
  59         .id             = 0,
  60         .num_resources  = ARRAY_SIZE(bast_ide0_resource),
  61         .resource       = bast_ide0_resource,
  62         .dev            = {
  63                 .platform_data = &bast_ide_platdata,
  64                 .coherent_dma_mask = ~0,
  65         }
  66
  67 };
  68
  69 static struct resource bast_ide1_resource[] = {
  70         [0]     = {
  71                 .start  = IDE_CS + BAST_PA_IDESEC,
  72                 .end    = IDE_CS + BAST_PA_IDESEC + (8 * 0x20) - 1,
  73                 .flags  = IORESOURCE_MEM,
  74         },
  75         [1]     = {
  76                 .start  = IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20),
  77                 .end    = IDE_CS + BAST_PA_IDESECAUX + (7 * 0x20) - 1,
  78                 .flags  = IORESOURCE_MEM,
  79         },
  80         [2]     = {
  81                 .start  = IRQ_IDE1,
  82                 .end    = IRQ_IDE1,
  83                 .flags  = IORESOURCE_IRQ,
  84         },
  85 };
  86
  87 static struct platform_device bast_device_ide1 = {
  88         .name           = "pata_platform",
  89         .id             = 1,
  90         .num_resources  = ARRAY_SIZE(bast_ide1_resource),
  91         .resource       = bast_ide1_resource,
  92         .dev            = {
  93                 .platform_data = &bast_ide_platdata,
  94                 .coherent_dma_mask = ~0,
  95         }
  96 };
  97
  98 static struct platform_device *bast_ide_devices[] __initdata = {
  99         &bast_device_ide0,
 100         &bast_device_ide1,
 101 };
 102
 103 static __init int bast_ide_init(void)
 104 {
 105         if (machine_is_bast() || machine_is_vr1000())
 106                 return platform_add_devices(bast_ide_devices,
 107                                             ARRAY_SIZE(bast_ide_devices));
 108
 109         return 0;
 110 }
 111
 112 fs_initcall(bast_ide_init);