ar71xx: add kernel support for the buffalo wzr-hp-ag300h
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-wzr-hp-ag300h.c
1 /*
2 * Buffalo WZR-HP-AG300H board support
3 *
4 * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
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/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/concat.h>
15
16 #include <asm/mips_machine.h>
17 #include <asm/mach-ar71xx/ar71xx.h>
18
19 #include "machtype.h"
20 #include "devices.h"
21 #include "dev-ap94-pci.h"
22 #include "dev-gpio-buttons.h"
23 #include "dev-leds-gpio.h"
24 #include "dev-m25p80.h"
25 #include "dev-usb.h"
26
27 #define WZRHPAG300H_MAC_OFFSET 0x20c
28 #define WZRHPAG300H_KEYS_POLL_INTERVAL 20 /* msecs */
29 #define WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPAG300H_KEYS_POLL_INTERVAL)
30
31 #ifdef CONFIG_MTD_CONCAT
32
33 #ifdef CONFIG_MTD_PARTITIONS
34 static struct mtd_partition wzrhpag300h_flash_partitions[] = {
35 {
36 .name = "u-boot",
37 .offset = 0,
38 .size = 0x0040000,
39 .mask_flags = MTD_WRITEABLE,
40 }, {
41 .name = "u-boot-env",
42 .offset = 0x0040000,
43 .size = 0x0010000,
44 .mask_flags = MTD_WRITEABLE,
45 }, {
46 .name = "art",
47 .offset = 0x0050000,
48 .size = 0x0010000,
49 .mask_flags = MTD_WRITEABLE,
50 }, {
51 .name = "kernel",
52 .offset = 0x0060000,
53 .size = 0x0100000,
54 }, {
55 .name = "rootfs",
56 .offset = 0x0160000,
57 .size = 0x1e90000,
58 }, {
59 .name = "user_property",
60 .offset = 0x1ff0000,
61 .size = 0x0010000,
62 .mask_flags = MTD_WRITEABLE,
63 }, {
64 .name = "firmware",
65 .offset = 0x0060000,
66 .size = 0x1f90000,
67 }
68 };
69
70 #endif /* CONFIG_MTD_PARTITIONS */
71
72 static struct mtd_info *concat_devs[2] = { NULL, NULL };
73 static struct work_struct mtd_concat_work;
74
75 static void mtd_concat_add_work(struct work_struct *work)
76 {
77 struct mtd_info *mtd;
78
79 mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
80
81 #ifdef CONFIG_MTD_PARTITIONS
82 add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
83 ARRAY_SIZE(wzrhpag300h_flash_partitions));
84 #else
85 add_mtd_device(mtd);
86 #endif
87 }
88
89 static void mtd_concat_add(struct mtd_info *mtd)
90 {
91 static bool registered = false;
92
93 if (registered)
94 return;
95
96 if (!strcmp(mtd->name, "spi0.0"))
97 concat_devs[0] = mtd;
98 else if (!strcmp(mtd->name, "spi0.1"))
99 concat_devs[1] = mtd;
100 else
101 return;
102
103 if (!concat_devs[0] || !concat_devs[1])
104 return;
105
106 registered = true;
107 INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
108 schedule_work(&mtd_concat_work);
109 }
110
111 static void mtd_concat_remove(struct mtd_info *mtd)
112 {
113 }
114
115 static void add_mtd_concat_notifier(void)
116 {
117 static struct mtd_notifier not = {
118 .add = mtd_concat_add,
119 .remove = mtd_concat_remove,
120 };
121
122 register_mtd_user(&not);
123 }
124
125 #endif
126
127 static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
128 {
129 .name = "wzr-hp-ag300h:red:diag",
130 .gpio = 1,
131 .active_low = 1,
132 },
133 };
134
135
136 static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
137 {
138 .desc = "reset",
139 .type = EV_KEY,
140 .code = KEY_RESTART,
141 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
142 .gpio = 11,
143 .active_low = 1,
144 }, {
145 .desc = "usb",
146 .type = EV_KEY,
147 .code = BTN_2,
148 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
149 .gpio = 3,
150 .active_low = 1,
151 }, {
152 .desc = "aoss",
153 .type = EV_KEY,
154 .code = KEY_WPS_BUTTON,
155 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
156 .gpio = 5,
157 .active_low = 1,
158 }, {
159 .desc = "router_auto",
160 .type = EV_KEY,
161 .code = BTN_6,
162 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
163 .gpio = 6,
164 .active_low = 1,
165 }, {
166 .desc = "router_off",
167 .type = EV_KEY,
168 .code = BTN_5,
169 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
170 .gpio = 7,
171 .active_low = 1,
172 }
173 };
174
175 static struct spi_board_info ar71xx_spi_info[] = {
176 {
177 .bus_num = 0,
178 .chip_select = 0,
179 .max_speed_hz = 25000000,
180 .modalias = "m25p80",
181 },
182 {
183 .bus_num = 0,
184 .chip_select = 1,
185 .max_speed_hz = 25000000,
186 .modalias = "m25p80",
187 }
188 };
189
190 static void __init wzrhpag300h_setup(void)
191 {
192 u8 *eeprom = (u8 *) KSEG1ADDR(0x1f051000);
193 u8 *mac = eeprom + WZRHPAG300H_MAC_OFFSET;
194
195 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
196 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
197
198 ar71xx_add_device_mdio(~(BIT(0) | BIT(4)));
199
200 ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
201 ar71xx_eth0_data.speed = SPEED_1000;
202 ar71xx_eth0_data.duplex = DUPLEX_FULL;
203 ar71xx_eth0_data.phy_mask = BIT(0);
204
205 ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
206 ar71xx_eth1_data.phy_mask = BIT(4);
207
208 ar71xx_add_device_eth(0);
209 ar71xx_add_device_eth(1);
210
211 ar71xx_add_device_usb();
212
213 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
214 wzrhpag300h_leds_gpio);
215
216 ar71xx_register_gpio_keys_polled(-1, WZRHPAG300H_KEYS_POLL_INTERVAL,
217 ARRAY_SIZE(wzrhpag300h_gpio_keys),
218 wzrhpag300h_gpio_keys);
219
220 ar71xx_add_device_spi(NULL, ar71xx_spi_info,
221 ARRAY_SIZE(ar71xx_spi_info));
222
223 #ifdef CONFIG_MTD_CONCAT
224 add_mtd_concat_notifier();
225 #endif
226
227 ap94_pci_init(eeprom, mac, NULL, NULL);
228 }
229
230 MIPS_MACHINE(AR71XX_MACH_WZR_HP_AG300H, "WZR-HP-AG300H",
231 "Buffalo WZR-HP-AG300H", wzrhpag300h_setup);
232