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/pata_platform.h>
  17 #include <asm/machvec.h>
  18 #include <asm/lboxre2.h>
  19 #include <asm/io.h>
  20
  21 static struct resource cf_ide_resources[] = {
  22         [0] = {
  23                 .start  = 0x1f0,
  24                 .end    = 0x1f0 + 8 ,
  25                 .flags  = IORESOURCE_IO,
  26         },
  27         [1] = {
  28                 .start  = 0x1f0 + 0x206,
  29                 .end    = 0x1f0 +8 + 0x206 + 8,
  30                 .flags  = IORESOURCE_IO,
  31         },
  32         [2] = {
  33                 .start  = IRQ_CF0,
  34                 .flags  = IORESOURCE_IRQ,
  35         },
  36 };
  37
  38 static struct platform_device cf_ide_device  = {
  39         .name           = "pata_platform",
  40         .id             = -1,
  41         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  42         .resource       = cf_ide_resources,
  43 };
  44
  45 static struct platform_device *lboxre2_devices[] __initdata = {
  46        &cf_ide_device,
  47 };
  48
  49 static int __init lboxre2_devices_setup(void)
  50 {
  51         u32 cf0_io_base;        /* Boot CF base address */
  52         pgprot_t prot;
  53         unsigned long paddrbase, psize;
  54
  55         /* open I/O area window */
  56         paddrbase = virt_to_phys((void*)CONFIG_CF0_BASE_ADDR);
  57         psize = PAGE_SIZE;
  58         prot = PAGE_KERNEL_PCC( 1 , _PAGE_PCC_IO16);
  59         cf0_io_base = (u32)p3_ioremap(paddrbase, psize, prot.pgprot);
  60         if (!cf0_io_base) {
  61                 printk(KERN_ERR "%s : can't open CF I/O window!\n" , __func__ );
  62                 return -ENOMEM;
  63         }
  64
  65         cf_ide_resources[0].start += cf0_io_base ;
  66         cf_ide_resources[0].end   += cf0_io_base ;
  67         cf_ide_resources[1].start += cf0_io_base ;
  68         cf_ide_resources[1].end   += cf0_io_base ;
  69
  70         return platform_add_devices(lboxre2_devices,
  71                         ARRAY_SIZE(lboxre2_devices));
  72
  73 }
  74 device_initcall(lboxre2_devices_setup);
  75
  76 /*
  77  * The Machine Vector
  78  */
  79 struct sh_machine_vector mv_lboxre2 __initmv = {
  80         .mv_name                = "L-BOX RE2",
  81         .mv_nr_irqs             = 72,
  82         .mv_init_irq            = init_lboxre2_IRQ,
  83 };
  84 ALIAS_MV(lboxre2)