Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-db120.c

1/*
2 * Atheros DB120 board (WASP SoC) support
3 *
4 * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10
11#include <linux/mtd/mtd.h>
12#include <linux/mtd/partitions.h>
13
14#include <asm/mach-ar71xx/ar71xx.h>
15
16#include "machtype.h"
17#include "devices.h"
18#include "dev-m25p80.h"
19#include "dev-gpio-buttons.h"
20#include "dev-leds-gpio.h"
21#include "dev-usb.h"
22#include "dev-ar9xxx-wmac.h"
23#include "dev-db120-pci.h"
24
25#define DB120_GPIO_LED_USB 11
26#define DB120_GPIO_LED_WLAN_5G 12
27#define DB120_GPIO_LED_WLAN_2G 13
28#define DB120_GPIO_LED_STATUS 14
29#define DB120_GPIO_LED_WPS 15
30
31#define DB120_GPIO_BTN_SW1 16
32
33#define DB120_CALDATA_OFFSET 0x1000
34#define DB120_WMAC_MAC_OFFSET 0x1002
35
36#define DB120_KEYS_POLL_INTERVAL 20 /* msecs */
37#define DB120_KEYS_DEBOUNCE_INTERVAL (3 * DB120_KEYS_POLL_INTERVAL)
38
39#ifdef CONFIG_MTD_PARTITIONS
40static struct mtd_partition db120_partitions[] = {
41    {
42        .name = "u-boot",
43        .offset = 0,
44        .size = 0x040000,
45        .mask_flags = MTD_WRITEABLE,
46    }, {
47        .name = "u-boot-env",
48        .offset = 0x040000,
49        .size = 0x010000,
50    }, {
51        .name = "rootfs",
52        .offset = 0x050000,
53        .size = 0x630000,
54    }, {
55        .name = "uImage",
56        .offset = 0x680000,
57        .size = 0x160000,
58    }, {
59        .name = "NVRAM",
60        .offset = 0x7E0000,
61        .size = 0x010000,
62    }, {
63        .name = "ART",
64        .offset = 0x7F0000,
65        .size = 0x010000,
66        .mask_flags = MTD_WRITEABLE,
67    }
68};
69#endif /* CONFIG_MTD_PARTITIONS */
70
71static struct flash_platform_data db120_flash_data = {
72#ifdef CONFIG_MTD_PARTITIONS
73    .parts = db120_partitions,
74    .nr_parts = ARRAY_SIZE(db120_partitions),
75#endif
76};
77
78static struct gpio_led db120_leds_gpio[] __initdata = {
79    {
80        .name = "db120:green:status",
81        .gpio = DB120_GPIO_LED_STATUS,
82        .active_low = 1,
83    }, {
84        .name = "db120:green:wps",
85        .gpio = DB120_GPIO_LED_WPS,
86        .active_low = 1,
87    }, {
88        .name = "db120:green:wlan-5g",
89        .gpio = DB120_GPIO_LED_WLAN_5G,
90        .active_low = 1,
91    }, {
92        .name = "db120:green:wlan-2g",
93        .gpio = DB120_GPIO_LED_WLAN_2G,
94        .active_low = 1,
95    }, {
96        .name = "db120:green:usb",
97        .gpio = DB120_GPIO_LED_USB,
98        .active_low = 1,
99    }
100};
101
102static struct gpio_keys_button db120_gpio_keys[] __initdata = {
103    {
104        .desc = "sw1",
105        .type = EV_KEY,
106        .code = BTN_0,
107        .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
108        .gpio = DB120_GPIO_BTN_SW1,
109        .active_low = 1,
110    }
111};
112
113static void __init db120_setup(void)
114{
115    u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
116
117    ar71xx_add_device_usb();
118
119    ar71xx_add_device_m25p80(&db120_flash_data);
120
121    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
122                    db120_leds_gpio);
123
124    ar71xx_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
125                     ARRAY_SIZE(db120_gpio_keys),
126                     db120_gpio_keys);
127
128    ar9xxx_add_device_wmac(art + DB120_CALDATA_OFFSET,
129                art + DB120_WMAC_MAC_OFFSET);
130
131    db120_pci_init();
132}
133
134MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);
135

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