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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 | */ | |
2f8163ba | 13 | #include <linux/gpio.h> |
6174dee5 DS |
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> | |
e24e4498 | 32 | #include <mach/gpio-ks8695.h> |
6174dee5 DS |
33 | |
34 | #include "generic.h" | |
35 | ||
36 | #ifdef CONFIG_PCI | |
d5341942 | 37 | static int dsm320_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
6174dee5 DS |
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 | ||
53 | static struct ks8695_pci_cfg __initdata dsm320_pci = { | |
54 | .mode = KS8695_MODE_MINIPCI, | |
55 | .map_irq = dsm320_pci_map_irq, | |
56 | }; | |
57 | ||
58 | static 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 | |
70 | static inline void __init dsm320_register_pci(void) { } | |
71 | #endif | |
72 | ||
73 | static struct physmap_flash_data dsm320_nor_pdata = { | |
74 | .width = 4, | |
75 | .nr_parts = 0, | |
76 | }; | |
77 | ||
78 | static 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 | ||
88 | static 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 | ||
98 | void __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 | ||
107 | static 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 | ||
122 | MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player") | |
123 | /* Maintainer: Simtec Electronics. */ | |
0318ce93 | 124 | .atag_offset = 0x100, |
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125 | .map_io = ks8695_map_io, |
126 | .init_irq = ks8695_init_irq, | |
127 | .init_machine = dsm320_init, | |
128 | .timer = &ks8695_timer, | |
114c19b7 | 129 | .restart = ks8695_restart, |
6174dee5 | 130 | MACHINE_END |