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

   1 /*
   2  * arch/sh/boards/landisk/setup.c
   3  *
   4  * I-O DATA Device, Inc. LANDISK Support.
   5  *
   6  * Copyright (C) 2000 Kazumoto Kojima
   7  * Copyright (C) 2002 Paul Mundt
   8  * Copylight (C) 2002 Atom Create Engineering Co., Ltd.
   9  * Copyright (C) 2005-2007 kogiidena
  10  *
  11  * This file is subject to the terms and conditions of the GNU General Public
  12  * License.  See the file "COPYING" in the main directory of this archive
  13  * for more details.
  14  */
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/ata_platform.h>
  18 #include <linux/pm.h>
  19 #include <linux/mm.h>
  20 #include <asm/machvec.h>
  21 #include <mach-landisk/mach/iodata_landisk.h>
  22 #include <asm/io.h>
  23
  24 static void landisk_power_off(void)
  25 {
  26         __raw_writeb(0x01, PA_SHUTDOWN);
  27 }
  28
  29 static struct resource cf_ide_resources[3];
  30
  31 static struct pata_platform_info pata_info = {
  32         .ioport_shift   = 1,
  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         .dev            = {
  41                 .platform_data = &pata_info,
  42         },
  43 };
  44
  45 static struct platform_device rtc_device = {
  46         .name           = "rs5c313",
  47         .id             = -1,
  48 };
  49
  50 static struct platform_device *landisk_devices[] __initdata = {
  51         &cf_ide_device,
  52         &rtc_device,
  53 };
  54
  55 static int __init landisk_devices_setup(void)
  56 {
  57         pgprot_t prot;
  58         unsigned long paddrbase;
  59         void *cf_ide_base;
  60
  61         /* open I/O area window */
  62         paddrbase = virt_to_phys((void *)PA_AREA5_IO);
  63         prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
  64         cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
  65         if (!cf_ide_base) {
  66                 printk("allocate_cf_area : can't open CF I/O window!\n");
  67                 return -ENOMEM;
  68         }
  69
  70         /* IDE cmd address : 0x1f0-0x1f7 and 0x3f6 */
  71         cf_ide_resources[0].start = (unsigned long)cf_ide_base + 0x40;
  72         cf_ide_resources[0].end   = (unsigned long)cf_ide_base + 0x40 + 0x0f;
  73         cf_ide_resources[0].flags = IORESOURCE_IO;
  74         cf_ide_resources[1].start = (unsigned long)cf_ide_base + 0x2c;
  75         cf_ide_resources[1].end   = (unsigned long)cf_ide_base + 0x2c + 0x03;
  76         cf_ide_resources[1].flags = IORESOURCE_IO;
  77         cf_ide_resources[2].start = IRQ_FATA;
  78         cf_ide_resources[2].flags = IORESOURCE_IRQ;
  79
  80         return platform_add_devices(landisk_devices,
  81                                     ARRAY_SIZE(landisk_devices));
  82 }
  83
  84 device_initcall(landisk_devices_setup);
  85
  86 static void __init landisk_setup(char **cmdline_p)
  87 {
  88         /* LED ON */
  89         __raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);
  90
  91         printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");
  92         pm_power_off = landisk_power_off;
  93 }
  94
  95 /*
  96  * The Machine Vector
  97  */
  98 static struct sh_machine_vector mv_landisk __initmv = {
  99         .mv_name = "LANDISK",
 100         .mv_setup = landisk_setup,
 101         .mv_init_irq = init_landisk_IRQ,
 102 };