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	.init_time	= ks8695_timer_init,
129	.restart	= ks8695_restart,
130MACHINE_END
131