1/*
  2 * arch/arm/mach-ks8695/board-dsm320.c
  3 *
  4 * DSM-320 D-Link Wireless Media Player, board support.
  5 *
  6 * Copyright 2008 Simtec Electronics
  7 *		  Daniel Silverstone <dsilvers@simtec.co.uk>
  8 *
  9 * This program is free software; you can redistribute it and/or modify
 10 * it under the terms of the GNU General Public License version 2 as
 11 * published by the Free Software Foundation.
 12 */
 13#include <linux/gpio.h>
 14#include <linux/kernel.h>
 15#include <linux/types.h>
 16#include <linux/interrupt.h>
 17#include <linux/init.h>
 18#include <linux/platform_device.h>
 19
 20#include <linux/mtd/mtd.h>
 21#include <linux/mtd/map.h>
 22#include <linux/mtd/physmap.h>
 23#include <linux/mtd/partitions.h>
 24
 25#include <asm/mach-types.h>
 26
 27#include <asm/mach/arch.h>
 28#include <asm/mach/map.h>
 29#include <asm/mach/irq.h>
 30
 31#include <mach/devices.h>
 32#include <mach/gpio-ks8695.h>
 33
 34#include "generic.h"
 35
 36#ifdef CONFIG_PCI
 37static int dsm320_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 38{
 39	switch (slot) {
 40	case 0:
 41		/* PCI-AHB bridge? */
 42		return KS8695_IRQ_EXTERN0;
 43	case 18:
 44		/* Mini PCI slot */
 45		return KS8695_IRQ_EXTERN2;
 46	case 20:
 47		/* RealMAGIC chip */
 48		return KS8695_IRQ_EXTERN0;
 49	}
 50	BUG();
 51}
 52
 53static struct ks8695_pci_cfg __initdata dsm320_pci = {
 54	.mode		= KS8695_MODE_MINIPCI,
 55	.map_irq	= dsm320_pci_map_irq,
 56};
 57
 58static void __init dsm320_register_pci(void)
 59{
 60	/* Initialise the GPIO lines for interrupt mode */
 61	/* RealMAGIC */
 62	ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW);
 63	/* MiniPCI Slot */
 64	ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW);
 65
 66	ks8695_init_pci(&dsm320_pci);
 67}
 68
 69#else
 70static inline void __init dsm320_register_pci(void) { }
 71#endif
 72
 73static struct physmap_flash_data dsm320_nor_pdata = {
 74	.width		= 4,
 75	.nr_parts	= 0,
 76};
 77
 78static struct resource dsm320_nor_resource[] = {
 79	[0] = {
 80		.start = SZ_32M, /* We expect the bootloader to map
 81				  * the flash here.
 82				  */
 83		.end   = SZ_32M + SZ_4M - 1,
 84		.flags = IORESOURCE_MEM,
 85	}
 86};
 87
 88static struct platform_device dsm320_device_nor = {
 89	.name		= "physmap-flash",
 90	.id		= -1,
 91	.num_resources	= ARRAY_SIZE(dsm320_nor_resource),
 92	.resource	= dsm320_nor_resource,
 93	.dev		= {
 94		.platform_data = &dsm320_nor_pdata,
 95	},
 96};
 97
 98void __init dsm320_register_nor(void)
 99{
100	int ret;
101
102	ret = platform_device_register(&dsm320_device_nor);
103	if (ret < 0)
104		printk(KERN_ERR "failed to register physmap-flash device\n");
105}
106
107static void __init dsm320_init(void)
108{
109	/* GPIO registration */
110	ks8695_register_gpios();
111
112	/* PCI registration */
113	dsm320_register_pci();
114
115	/* Network device */
116	ks8695_add_device_lan();	/* eth0 = LAN */
117
118	/* NOR devices */
119	dsm320_register_nor();
120}
121
122MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")
123	/* Maintainer: Simtec Electronics. */
124	.atag_offset	= 0x100,
125	.map_io		= ks8695_map_io,
126	.init_irq	= ks8695_init_irq,
127	.init_machine	= dsm320_init,
128	.timer		= &ks8695_timer,
129	.restart	= ks8695_restart,
130MACHINE_END