original_kernel/arch/mips/lantiq/devices.c

/*
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 *
 *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 */

#include <linux/init.h>
#include <linux/export.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/reboot.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/etherdevice.h>
#include <linux/time.h>
#include <linux/io.h>
#include <linux/gpio.h>

#include <asm/bootinfo.h>
#include <asm/irq.h>

#include <lantiq_soc.h>

#include "devices.h"

/* nor flash */
static struct resource ltq_nor_resource = {
	.name	= "nor",
	.start	= LTQ_FLASH_START,
	.end	= LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
	.flags  = IORESOURCE_MEM,
};

static struct platform_device ltq_nor = {
	.name		= "ltq_nor",
	.resource	= &ltq_nor_resource,
	.num_resources	= 1,
};

void __init ltq_register_nor(struct physmap_flash_data *data)
{
	ltq_nor.dev.platform_data = data;
	platform_device_register(&ltq_nor);
}

/* watchdog */
static struct resource ltq_wdt_resource = {
	.name	= "watchdog",
	.start  = LTQ_WDT_BASE_ADDR,
	.end    = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
	.flags  = IORESOURCE_MEM,
};

void __init ltq_register_wdt(void)
{
	platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
}

/* asc ports */
static struct resource ltq_asc0_resources[] = {
	{
		.name	= "asc0",
		.start  = LTQ_ASC0_BASE_ADDR,
		.end    = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
		.flags  = IORESOURCE_MEM,
	},
	IRQ_RES(tx, LTQ_ASC_TIR(0)),
	IRQ_RES(rx, LTQ_ASC_RIR(0)),
	IRQ_RES(err, LTQ_ASC_EIR(0)),
};

static struct resource ltq_asc1_resources[] = {
	{
		.name	= "asc1",
		.start  = LTQ_ASC1_BASE_ADDR,
		.end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
		.flags  = IORESOURCE_MEM,
	},
	IRQ_RES(tx, LTQ_ASC_TIR(1)),
	IRQ_RES(rx, LTQ_ASC_RIR(1)),
	IRQ_RES(err, LTQ_ASC_EIR(1)),
};

void __init ltq_register_asc(int port)
{
	switch (port) {
	case 0:
		platform_device_register_simple("ltq_asc", 0,
			ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
		break;
	case 1:
		platform_device_register_simple("ltq_asc", 1,
			ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
		break;
	default:
		break;
	}
}

#ifdef CONFIG_PCI
/* pci */
static struct platform_device ltq_pci = {
	.name		= "ltq_pci",
	.num_resources	= 0,
};

void __init ltq_register_pci(struct ltq_pci_data *data)
{
	ltq_pci.dev.platform_data = data;
	platform_device_register(&ltq_pci);
}
#else
void __init ltq_register_pci(struct ltq_pci_data *data)
{
	pr_err("kernel is compiled without PCI support\n");
}
#endif