linux/arch/sh/boards/mach-landisk/setup.c
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   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
  21static void landisk_power_off(void)
  22{
  23        __raw_writeb(0x01, PA_SHUTDOWN);
  24}
  25
  26static struct resource cf_ide_resources[3];
  27
  28static struct pata_platform_info pata_info = {
  29        .ioport_shift   = 1,
  30};
  31
  32static 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
  42static struct platform_device rtc_device = {
  43        .name           = "rs5c313",
  44        .id             = -1,
  45};
  46
  47static struct platform_device *landisk_devices[] __initdata = {
  48        &cf_ide_device,
  49        &rtc_device,
  50};
  51
  52static 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
  81device_initcall(landisk_devices_setup);
  82
  83static 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 */
  98static struct sh_machine_vector mv_landisk __initmv = {
  99        .mv_name = "LANDISK",
 100        .mv_setup = landisk_setup,
 101        .mv_init_irq = init_landisk_IRQ,
 102};
 103