Quelle  board-sh2007.c

// SPDX-License-Identifier: GPL-2.0
/*
 * SH-2007 board support.
 *
 * Copyright (C) 2003, 2004  SUGIOKA Toshinobu
 * Copyright (C) 2010  Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
 */
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/io.h>
#include <asm/machvec.h>
#include <mach/sh2007.h>

/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
 REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
};

struct smsc911x_platform_config smc911x_info = {
 .flags  = SMSC911X_USE_32BIT,
 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct resource smsc9118_0_resources[] = {
 [0] = {
  .start = SMC0_BASE,
  .end = SMC0_BASE + 0xff,
  .flags = IORESOURCE_MEM,
 },
 [1] = {
  .start = evt2irq(0x240),
  .end = evt2irq(0x240),
  .flags = IORESOURCE_IRQ,
 }
};

static struct resource smsc9118_1_resources[] = {
 [0] = {
  .start = SMC1_BASE,
  .end = SMC1_BASE + 0xff,
  .flags = IORESOURCE_MEM,
 },
 [1] = {
  .start = evt2irq(0x280),
  .end = evt2irq(0x280),
  .flags = IORESOURCE_IRQ,
 }
};

static struct platform_device smsc9118_0_device = {
 .name  = "smsc911x",
 .id  = 0,
 .num_resources = ARRAY_SIZE(smsc9118_0_resources),
 .resource = smsc9118_0_resources,
 .dev = {
  .platform_data = &smc911x_info,
 },
};

static struct platform_device smsc9118_1_device = {
 .name  = "smsc911x",
 .id  = 1,
 .num_resources = ARRAY_SIZE(smsc9118_1_resources),
 .resource = smsc9118_1_resources,
 .dev = {
  .platform_data = &smc911x_info,
 },
};

static struct resource cf_resources[] = {
 [0] = {
  .start = CF_BASE + CF_OFFSET,
  .end = CF_BASE + CF_OFFSET + 0x0f,
  .flags = IORESOURCE_MEM,
 },
 [1] = {
  .start = CF_BASE + CF_OFFSET + 0x206,
  .end = CF_BASE + CF_OFFSET + 0x20f,
  .flags = IORESOURCE_MEM,
 },
 [2] = {
  .start = evt2irq(0x2c0),
  .end = evt2irq(0x2c0),
  .flags = IORESOURCE_IRQ,
 },
};

static struct platform_device cf_device  = {
 .name  = "pata_platform",
 .id  = 0,
 .num_resources = ARRAY_SIZE(cf_resources),
 .resource = cf_resources,
};

static struct platform_device *sh2007_devices[] __initdata = {
 &smsc9118_0_device,
 &smsc9118_1_device,
 &cf_device,
};

static int __init sh2007_io_init(void)
{
 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));

 platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices));
 return 0;
}
subsys_initcall(sh2007_io_init);

static void __init sh2007_init_irq(void)
{
 plat_irq_setup_pins(IRQ_MODE_IRQ);
}

/*
 * Initialize the board
 */
static void __init sh2007_setup(char **cmdline_p)
{
 pr_info("SH-2007 Setup...");

 /* setup wait control registers for area 5 */
 __raw_writel(CS5BCR_D, CS5BCR);
 __raw_writel(CS5WCR_D, CS5WCR);
 __raw_writel(CS5PCR_D, CS5PCR);

 pr_cont(" done.\n");
}

/*
 * The Machine Vector
 */
struct sh_machine_vector mv_sh2007 __initmv = {
 .mv_setup  = sh2007_setup,
 .mv_name  = "sh2007",
 .mv_init_irq  = sh2007_init_irq,
};