devices.c

linux 内核源代码

/*
 * arch/arm/mach-ks8695/devices.c
 *
 * Copyright (C) 2006 Andrew Victor
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <linux/platform_device.h>

#include <asm/arch/regs-wan.h>
#include <asm/arch/regs-lan.h>
#include <asm/arch/regs-hpna.h>


/* --------------------------------------------------------------------
 *  Ethernet
 * -------------------------------------------------------------------- */

#if defined(CONFIG_ARM_KS8695_ETHER) || defined(CONFIG_ARM_KS8695_ETHER_MODULE)
static u64 eth_dmamask = 0xffffffffUL;

static struct resource ks8695_wan_resources[] = {
	[0] = {
		.start	= KS8695_WAN_VA,
		.end	= KS8695_WAN_VA + 0x00ff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.name	= "WAN RX",
		.start	= KS8695_IRQ_WAN_RX_STATUS,
		.end	= KS8695_IRQ_WAN_RX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.name	= "WAN TX",
		.start	= KS8695_IRQ_WAN_TX_STATUS,
		.end	= KS8695_IRQ_WAN_TX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		.name	= "WAN Link",
		.start	= KS8695_IRQ_WAN_LINK,
		.end	= KS8695_IRQ_WAN_LINK,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ks8695_wan_device = {
	.name		= "ks8695_ether",
	.id		= 0,
	.dev		= {
				.dma_mask		= &eth_dmamask,
				.coherent_dma_mask	= 0xffffffff,
	},
	.resource	= ks8695_wan_resources,
	.num_resources	= ARRAY_SIZE(ks8695_wan_resources),
};


static struct resource ks8695_lan_resources[] = {
	[0] = {
		.start	= KS8695_LAN_VA,
		.end	= KS8695_LAN_VA + 0x00ff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.name	= "LAN RX",
		.start	= KS8695_IRQ_LAN_RX_STATUS,
		.end	= KS8695_IRQ_LAN_RX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.name	= "LAN TX",
		.start	= KS8695_IRQ_LAN_TX_STATUS,
		.end	= KS8695_IRQ_LAN_TX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ks8695_lan_device = {
	.name		= "ks8695_ether",
	.id		= 1,
	.dev		= {
				.dma_mask		= &eth_dmamask,
				.coherent_dma_mask	= 0xffffffff,
	},
	.resource	= ks8695_lan_resources,
	.num_resources	= ARRAY_SIZE(ks8695_lan_resources),
};


static struct resource ks8695_hpna_resources[] = {
	[0] = {
		.start	= KS8695_HPNA_VA,
		.end	= KS8695_HPNA_VA + 0x00ff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.name	= "HPNA RX",
		.start	= KS8695_IRQ_HPNA_RX_STATUS,
		.end	= KS8695_IRQ_HPNA_RX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.name	= "HPNA TX",
		.start	= KS8695_IRQ_HPNA_TX_STATUS,
		.end	= KS8695_IRQ_HPNA_TX_STATUS,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ks8695_hpna_device = {
	.name		= "ks8695_ether",
	.id		= 2,
	.dev		= {
				.dma_mask		= &eth_dmamask,
				.coherent_dma_mask	= 0xffffffff,
	},
	.resource	= ks8695_hpna_resources,
	.num_resources	= ARRAY_SIZE(ks8695_hpna_resources),
};

void __init ks8695_add_device_wan(void)
{
	platform_device_register(&ks8695_wan_device);
}

void __init ks8695_add_device_lan(void)
{
	platform_device_register(&ks8695_lan_device);
}

void __init ks8696_add_device_hpna(void)
{
	platform_device_register(&ks8695_hpna_device);
}
#else
void __init ks8695_add_device_wan(void) {}
void __init ks8695_add_device_lan(void) {}
void __init ks8696_add_device_hpna(void) {}
#endif


/* --------------------------------------------------------------------
 *  Watchdog
 * -------------------------------------------------------------------- */

#if defined(CONFIG_KS8695_WATCHDOG) || defined(CONFIG_KS8695_WATCHDOG_MODULE)
static struct platform_device ks8695_wdt_device = {
	.name		= "ks8695_wdt",
	.id		= -1,
	.num_resources	= 0,
};

static void __init ks8695_add_device_watchdog(void)
{
	platform_device_register(&ks8695_wdt_device);
}
#else
static void __init ks8695_add_device_watchdog(void) {}
#endif


/* -------------------------------------------------------------------- */

/*
 * These devices are always present and don't need any board-specific
 * setup.
 */
static int __init ks8695_add_standard_devices(void)
{
	ks8695_add_device_watchdog();
	return 0;
}

arch_initcall(ks8695_add_standard_devices);