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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-ks8695/board-dsm320.c
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/*

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 * arch/arm/mach-ks8695/board-dsm320.c

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 *

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 * DSM-320 D-Link Wireless Media Player, board support.

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 *

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 * Copyright 2008 Simtec Electronics

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 *		  Daniel Silverstone <[email protected]>

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#include <linux/kernel.h>

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#include <linux/types.h>

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#include <linux/interrupt.h>

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#include <linux/init.h>

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#include <linux/platform_device.h>

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#include <linux/mtd/mtd.h>

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#include <linux/mtd/map.h>

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#include <linux/mtd/physmap.h>

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#include <linux/mtd/partitions.h>

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#include <asm/mach-types.h>

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#include <asm/mach/arch.h>

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#include <asm/mach/map.h>

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#include <asm/mach/irq.h>

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#include <mach/devices.h>

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#include <mach/gpio.h>

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#include "generic.h"

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#ifdef CONFIG_PCI

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static int dsm320_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)

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{

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	switch (slot) {

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	case 0:

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		/* PCI-AHB bridge? */

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		return KS8695_IRQ_EXTERN0;

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	case 18:

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		/* Mini PCI slot */

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		return KS8695_IRQ_EXTERN2;

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	case 20:

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		/* RealMAGIC chip */

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		return KS8695_IRQ_EXTERN0;

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	}

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	BUG();

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}

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static struct ks8695_pci_cfg __initdata dsm320_pci = {

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	.mode		= KS8695_MODE_MINIPCI,

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	.map_irq	= dsm320_pci_map_irq,

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};

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static void __init dsm320_register_pci(void)

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{

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	/* Initialise the GPIO lines for interrupt mode */

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	/* RealMAGIC */

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	ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW);

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	/* MiniPCI Slot */

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	ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW);

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	ks8695_init_pci(&dsm320_pci);

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}

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#else

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static inline void __init dsm320_register_pci(void) { }

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#endif

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static struct physmap_flash_data dsm320_nor_pdata = {

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	.width		= 4,

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	.nr_parts	= 0,

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};

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static struct resource dsm320_nor_resource[] = {

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	[0] = {

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		.start = SZ_32M, /* We expect the bootloader to map

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				  * the flash here.

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				  */

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		.end   = SZ_32M + SZ_4M - 1,

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		.flags = IORESOURCE_MEM,

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	}

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};

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static struct platform_device dsm320_device_nor = {

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	.name		= "physmap-flash",

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	.id		= -1,

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	.num_resources	= ARRAY_SIZE(dsm320_nor_resource),

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	.resource	= dsm320_nor_resource,

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	.dev		= {

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		.platform_data = &dsm320_nor_pdata,

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	},

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};

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void __init dsm320_register_nor(void)

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{

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	int ret;

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	ret = platform_device_register(&dsm320_device_nor);

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	if (ret < 0)

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		printk(KERN_ERR "failed to register physmap-flash device\n");

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}

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static void __init dsm320_init(void)

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{

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	/* GPIO registration */

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	ks8695_register_gpios();

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	/* PCI registration */

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	dsm320_register_pci();

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	/* Network device */

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	ks8695_add_device_lan();	/* eth0 = LAN */

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	/* NOR devices */

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	dsm320_register_nor();

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}

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MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")

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	/* Maintainer: Simtec Electronics. */

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	.boot_params	= KS8695_SDRAM_PA + 0x100,

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	.map_io		= ks8695_map_io,

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	.init_irq	= ks8695_init_irq,

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	.init_machine	= dsm320_init,

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	.timer		= &ks8695_timer,

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MACHINE_END

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