LXR linux/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
  33static struct pata_platform_info bast_ide_platdata = {
  34        .ioport_shift   = 5,
  35};
  36
  37#define IDE_CS  S3C2410_CS5
  38
  39static 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
  57static 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
  69static 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
  87static 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
  98static struct platform_device *bast_ide_devices[] __initdata = {
  99        &bast_device_ide0,
 100        &bast_device_ide1,
 101};
 102
 103static __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
 112fs_initcall(bast_ide_init);
 113