arch/arm/mach-s3c24xx/bast-ide.c

   1 // SPDX-License-Identifier: GPL-2.0
   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 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/init.h>
  11 #include <linux/interrupt.h>
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/ata_platform.h>
  15
  16 #include <asm/mach-types.h>
  17
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach/map.h>
  20 #include <asm/mach/irq.h>
  21
  22 #include <mach/map.h>
  23
  24 #include "bast.h"
  25
  26 /* IDE ports */
  27
  28 static struct pata_platform_info bast_ide_platdata = {
  29         .ioport_shift   = 5,
  30 };
  31
  32 static struct resource bast_ide0_resource[] = {
  33         [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRI, 8 * 0x20),
  34         [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20), 0x20),
  35         [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE0),
  36 };
  37
  38 static struct platform_device bast_device_ide0 = {
  39         .name           = "pata_platform",
  40         .id             = 0,
  41         .num_resources  = ARRAY_SIZE(bast_ide0_resource),
  42         .resource       = bast_ide0_resource,
  43         .dev            = {
  44                 .platform_data = &bast_ide_platdata,
  45                 .coherent_dma_mask = ~0,
  46         }
  47
  48 };
  49
  50 static struct resource bast_ide1_resource[] = {
  51         [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESEC, 8 * 0x20),
  52         [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20), 0x20),
  53         [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE1),
  54 };
  55
  56 static struct platform_device bast_device_ide1 = {
  57         .name           = "pata_platform",
  58         .id             = 1,
  59         .num_resources  = ARRAY_SIZE(bast_ide1_resource),
  60         .resource       = bast_ide1_resource,
  61         .dev            = {
  62                 .platform_data = &bast_ide_platdata,
  63                 .coherent_dma_mask = ~0,
  64         }
  65 };
  66
  67 static struct platform_device *bast_ide_devices[] __initdata = {
  68         &bast_device_ide0,
  69         &bast_device_ide1,
  70 };
  71
  72 static __init int bast_ide_init(void)
  73 {
  74         if (machine_is_bast() || machine_is_vr1000())
  75                 return platform_add_devices(bast_ide_devices,
  76                                             ARRAY_SIZE(bast_ide_devices));
  77
  78         return 0;
  79 }
  80
  81 fs_initcall(bast_ide_init);