arch/sh/boards/mach-lboxre2/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * linux/arch/sh/boards/lbox/setup.c
   4  *
   5  * Copyright (C) 2007 Nobuhiro Iwamatsu
   6  *
   7  * NTT COMWARE L-BOX RE2 Support
   8  */
   9
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/ata_platform.h>
  13 #include <asm/machvec.h>
  14 #include <asm/addrspace.h>
  15 #include <mach/lboxre2.h>
  16 #include <asm/io.h>
  17
  18 static struct resource cf_ide_resources[] = {
  19         [0] = {
  20                 .start  = 0x1f0,
  21                 .end    = 0x1f0 + 8 ,
  22                 .flags  = IORESOURCE_IO,
  23         },
  24         [1] = {
  25                 .start  = 0x1f0 + 0x206,
  26                 .end    = 0x1f0 +8 + 0x206 + 8,
  27                 .flags  = IORESOURCE_IO,
  28         },
  29         [2] = {
  30                 .start  = IRQ_CF0,
  31                 .flags  = IORESOURCE_IRQ,
  32         },
  33 };
  34
  35 static struct platform_device cf_ide_device  = {
  36         .name           = "pata_platform",
  37         .id             = -1,
  38         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  39         .resource       = cf_ide_resources,
  40 };
  41
  42 static struct platform_device *lboxre2_devices[] __initdata = {
  43        &cf_ide_device,
  44 };
  45
  46 static int __init lboxre2_devices_setup(void)
  47 {
  48         u32 cf0_io_base;        /* Boot CF base address */
  49         pgprot_t prot;
  50         unsigned long paddrbase, psize;
  51
  52         /* open I/O area window */
  53         paddrbase = virt_to_phys((void*)PA_AREA5_IO);
  54         psize = PAGE_SIZE;
  55         prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
  56         cf0_io_base = (u32)ioremap_prot(paddrbase, psize, pgprot_val(prot));
  57         if (!cf0_io_base) {
  58                 printk(KERN_ERR "%s : can't open CF I/O window!\n" , __func__ );
  59                 return -ENOMEM;
  60         }
  61
  62         cf_ide_resources[0].start += cf0_io_base ;
  63         cf_ide_resources[0].end   += cf0_io_base ;
  64         cf_ide_resources[1].start += cf0_io_base ;
  65         cf_ide_resources[1].end   += cf0_io_base ;
  66
  67         return platform_add_devices(lboxre2_devices,
  68                         ARRAY_SIZE(lboxre2_devices));
  69
  70 }
  71 device_initcall(lboxre2_devices_setup);
  72
  73 /*
  74  * The Machine Vector
  75  */
  76 static struct sh_machine_vector mv_lboxre2 __initmv = {
  77         .mv_name                = "L-BOX RE2",
  78         .mv_init_irq            = init_lboxre2_IRQ,
  79 };