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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * arch/sh/boards/landisk/setup.c
   4  *
   5  * I-O DATA Device, Inc. LANDISK Support.
   6  *
   7  * Copyright (C) 2000 Kazumoto Kojima
   8  * Copyright (C) 2002 Paul Mundt
   9  * Copylight (C) 2002 Atom Create Engineering Co., Ltd.
  10  * Copyright (C) 2005-2007 kogiidena
  11  */
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/ata_platform.h>
  15 #include <linux/pm.h>
  16 #include <linux/mm.h>
  17 #include <asm/machvec.h>
  18 #include <mach-landisk/mach/iodata_landisk.h>
  19 #include <asm/io.h>
  20
  21 static void landisk_power_off(void)
  22 {
  23         __raw_writeb(0x01, PA_SHUTDOWN);
  24 }
  25
  26 static struct resource cf_ide_resources[3];
  27
  28 static struct pata_platform_info pata_info = {
  29         .ioport_shift   = 1,
  30 };
  31
  32 static struct platform_device cf_ide_device = {
  33         .name           = "pata_platform",
  34         .id             = -1,
  35         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  36         .resource       = cf_ide_resources,
  37         .dev            = {
  38                 .platform_data = &pata_info,
  39         },
  40 };
  41
  42 static struct platform_device rtc_device = {
  43         .name           = "rs5c313",
  44         .id             = -1,
  45 };
  46
  47 static struct platform_device *landisk_devices[] __initdata = {
  48         &cf_ide_device,
  49         &rtc_device,
  50 };
  51
  52 static int __init landisk_devices_setup(void)
  53 {
  54         pgprot_t prot;
  55         unsigned long paddrbase;
  56         void *cf_ide_base;
  57
  58         /* open I/O area window */
  59         paddrbase = virt_to_phys((void *)PA_AREA5_IO);
  60         prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
  61         cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
  62         if (!cf_ide_base) {
  63                 printk("allocate_cf_area : can't open CF I/O window!\n");
  64                 return -ENOMEM;
  65         }
  66
  67         /* IDE cmd address : 0x1f0-0x1f7 and 0x3f6 */
  68         cf_ide_resources[0].start = (unsigned long)cf_ide_base + 0x40;
  69         cf_ide_resources[0].end   = (unsigned long)cf_ide_base + 0x40 + 0x0f;
  70         cf_ide_resources[0].flags = IORESOURCE_IO;
  71         cf_ide_resources[1].start = (unsigned long)cf_ide_base + 0x2c;
  72         cf_ide_resources[1].end   = (unsigned long)cf_ide_base + 0x2c + 0x03;
  73         cf_ide_resources[1].flags = IORESOURCE_IO;
  74         cf_ide_resources[2].start = IRQ_FATA;
  75         cf_ide_resources[2].flags = IORESOURCE_IRQ;
  76
  77         return platform_add_devices(landisk_devices,
  78                                     ARRAY_SIZE(landisk_devices));
  79 }
  80
  81 device_initcall(landisk_devices_setup);
  82
  83 static void __init landisk_setup(char **cmdline_p)
  84 {
  85         /* I/O port identity mapping */
  86         __set_io_port_base(0);
  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 };