Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-wrt400n.c

1/*
2 * Linksys WRT400N board support
3 *
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
10 */
11
12#include <linux/mtd/mtd.h>
13#include <linux/mtd/partitions.h>
14
15#include <asm/mach-ar71xx/ar71xx.h>
16
17#include "machtype.h"
18#include "devices.h"
19#include "dev-ap94-pci.h"
20#include "dev-m25p80.h"
21#include "dev-gpio-buttons.h"
22#include "dev-leds-gpio.h"
23
24#define WRT400N_GPIO_LED_ORANGE 5
25#define WRT400N_GPIO_LED_GREEN 4
26#define WRT400N_GPIO_LED_POWER 1
27#define WRT400N_GPIO_LED_WLAN 0
28
29#define WRT400N_GPIO_BTN_RESET 8
30#define WRT400N_GPIO_BTN_WLSEC 3
31
32#define WRT400N_BUTTONS_POLL_INTERVAL 20
33
34#define WRT400N_MAC_ADDR_OFFSET 0x120c
35#define WRT400N_CALDATA0_OFFSET 0x1000
36#define WRT400N_CALDATA1_OFFSET 0x5000
37
38#ifdef CONFIG_MTD_PARTITIONS
39static struct mtd_partition wrt400n_partitions[] = {
40    {
41        .name = "uboot",
42        .offset = 0,
43        .size = 0x030000,
44        .mask_flags = MTD_WRITEABLE,
45    } , {
46        .name = "env",
47        .offset = 0x030000,
48        .size = 0x010000,
49        .mask_flags = MTD_WRITEABLE,
50    } , {
51        .name = "linux",
52        .offset = 0x040000,
53        .size = 0x140000,
54    } , {
55        .name = "rootfs",
56        .offset = 0x180000,
57        .size = 0x630000,
58    } , {
59        .name = "nvram",
60        .offset = 0x7b0000,
61        .size = 0x010000,
62        .mask_flags = MTD_WRITEABLE,
63    } , {
64        .name = "factory",
65        .offset = 0x7c0000,
66        .size = 0x010000,
67        .mask_flags = MTD_WRITEABLE,
68    } , {
69        .name = "language",
70        .offset = 0x7d0000,
71        .size = 0x020000,
72        .mask_flags = MTD_WRITEABLE,
73    } , {
74        .name = "caldata",
75        .offset = 0x7f0000,
76        .size = 0x010000,
77        .mask_flags = MTD_WRITEABLE,
78    } , {
79        .name = "firmware",
80        .offset = 0x040000,
81        .size = 0x770000,
82    }
83};
84#endif /* CONFIG_MTD_PARTITIONS */
85
86static struct flash_platform_data wrt400n_flash_data = {
87#ifdef CONFIG_MTD_PARTITIONS
88        .parts = wrt400n_partitions,
89        .nr_parts = ARRAY_SIZE(wrt400n_partitions),
90#endif
91};
92
93static struct gpio_led wrt400n_leds_gpio[] __initdata = {
94    {
95        .name = "wrt400n:green:status",
96        .gpio = WRT400N_GPIO_LED_GREEN,
97        .active_low = 1,
98    }, {
99        .name = "wrt400n:amber:aoss",
100        .gpio = WRT400N_GPIO_LED_ORANGE,
101        .active_low = 1,
102    }, {
103        .name = "wrt400n:green:wlan",
104        .gpio = WRT400N_GPIO_LED_WLAN,
105        .active_low = 1,
106    }, {
107        .name = "wrt400n:green:power",
108        .gpio = WRT400N_GPIO_LED_POWER,
109        .active_low = 1,
110    }
111};
112
113static struct gpio_button wrt400n_gpio_buttons[] __initdata = {
114    {
115        .desc = "reset",
116        .type = EV_KEY,
117        .code = BTN_0,
118        .threshold = 3,
119        .gpio = WRT400N_GPIO_BTN_RESET,
120        .active_low = 1,
121    } , {
122        .desc = "wlsec",
123        .type = EV_KEY,
124        .code = BTN_1,
125        .threshold = 3,
126        .gpio = WRT400N_GPIO_BTN_WLSEC,
127        .active_low = 1,
128    }
129};
130
131static void __init wrt400n_setup(void)
132{
133    u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
134    u8 mac[6];
135    int i;
136
137    memcpy(mac, art + WRT400N_MAC_ADDR_OFFSET, 6);
138    for (i = 5; i >= 3; i--)
139        if (++mac[i] != 0x00) break;
140
141    ar71xx_set_mac_base(mac);
142
143    ar71xx_add_device_mdio(0x0);
144
145    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
146    ar71xx_eth0_data.speed = SPEED_100;
147    ar71xx_eth0_data.duplex = DUPLEX_FULL;
148
149    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
150    ar71xx_eth1_data.phy_mask = 0x10;
151
152    ar71xx_add_device_eth(0);
153    ar71xx_add_device_eth(1);
154
155    ar71xx_add_device_m25p80(&wrt400n_flash_data);
156
157    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt400n_leds_gpio),
158                    wrt400n_leds_gpio);
159
160    ar71xx_add_device_gpio_buttons(-1, WRT400N_BUTTONS_POLL_INTERVAL,
161                    ARRAY_SIZE(wrt400n_gpio_buttons),
162                    wrt400n_gpio_buttons);
163
164    ap94_pci_init(art + WRT400N_CALDATA0_OFFSET, NULL,
165              art + WRT400N_CALDATA1_OFFSET, NULL);
166}
167
168MIPS_MACHINE(AR71XX_MACH_WRT400N, "WRT400N", "Linksys WRT400N", wrt400n_setup);
169

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