arch/sh/boards/lboxre2/setup.c

   1 /*
   2  * linux/arch/sh/boards/lbox/setup.c
   3  *
   4  * Copyright (C) 2007 Nobuhiro Iwamatsu
   5  *
   6  * NTT COMWARE L-BOX RE2 Support
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  *
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/ata_platform.h>
  17 #include <asm/machvec.h>
  18 #include <asm/addrspace.h>
  19 #include <asm/lboxre2.h>
  20 #include <asm/io.h>
  21
  22 static struct resource cf_ide_resources[] = {
  23         [0] = {
  24                 .start  = 0x1f0,
  25                 .end    = 0x1f0 + 8 ,
  26                 .flags  = IORESOURCE_IO,
  27         },
  28         [1] = {
  29                 .start  = 0x1f0 + 0x206,
  30                 .end    = 0x1f0 +8 + 0x206 + 8,
  31                 .flags  = IORESOURCE_IO,
  32         },
  33         [2] = {
  34                 .start  = IRQ_CF0,
  35                 .flags  = IORESOURCE_IRQ,
  36         },
  37 };
  38
  39 static struct platform_device cf_ide_device  = {
  40         .name           = "pata_platform",
  41         .id             = -1,
  42         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  43         .resource       = cf_ide_resources,
  44 };
  45
  46 static struct platform_device *lboxre2_devices[] __initdata = {
  47        &cf_ide_device,
  48 };
  49
  50 static int __init lboxre2_devices_setup(void)
  51 {
  52         u32 cf0_io_base;        /* Boot CF base address */
  53         pgprot_t prot;
  54         unsigned long paddrbase, psize;
  55
  56         /* open I/O area window */
  57         paddrbase = virt_to_phys((void*)PA_AREA5_IO);
  58         psize = PAGE_SIZE;
  59         prot = PAGE_KERNEL_PCC( 1 , _PAGE_PCC_IO16);
  60         cf0_io_base = (u32)p3_ioremap(paddrbase, psize, prot.pgprot);
  61         if (!cf0_io_base) {
  62                 printk(KERN_ERR "%s : can't open CF I/O window!\n" , __func__ );
  63                 return -ENOMEM;
  64         }
  65
  66         cf_ide_resources[0].start += cf0_io_base ;
  67         cf_ide_resources[0].end   += cf0_io_base ;
  68         cf_ide_resources[1].start += cf0_io_base ;
  69         cf_ide_resources[1].end   += cf0_io_base ;
  70
  71         return platform_add_devices(lboxre2_devices,
  72                         ARRAY_SIZE(lboxre2_devices));
  73
  74 }
  75 device_initcall(lboxre2_devices_setup);
  76
  77 /*
  78  * The Machine Vector
  79  */
  80 static struct sh_machine_vector mv_lboxre2 __initmv = {
  81         .mv_name                = "L-BOX RE2",
  82         .mv_nr_irqs             = 72,
  83         .mv_init_irq            = init_lboxre2_IRQ,
  84 };