Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-wzr-hp-g300nh.c

1/*
2 * Buffalo WZR-HP-G300NH board support
3 *
4 * Copyright (C) 2010 Gabor Juhos <juhosg@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/nxp_74hc153.h>
15#include <linux/rtl8366.h>
16
17#include <asm/mips_machine.h>
18#include <asm/mach-ar71xx/ar71xx.h>
19#include <asm/mach-ar71xx/ar91xx_flash.h>
20
21#include "machtype.h"
22#include "devices.h"
23#include "dev-ar9xxx-wmac.h"
24#include "dev-gpio-buttons.h"
25#include "dev-leds-gpio.h"
26#include "dev-usb.h"
27
28#define WZRHPG300NH_GPIO_LED_USB 0
29#define WZRHPG300NH_GPIO_LED_DIAG 1
30#define WZRHPG300NH_GPIO_LED_WIRELESS 6
31#define WZRHPG300NH_GPIO_LED_SECURITY 17
32#define WZRHPG300NH_GPIO_LED_ROUTER 18
33
34#define WZRHPG300NH_GPIO_RTL8366_SDA 19
35#define WZRHPG300NH_GPIO_RTL8366_SCK 20
36
37#define WZRHPG300NH_GPIO_74HC153_S0 9
38#define WZRHPG300NH_GPIO_74HC153_S1 11
39#define WZRHPG300NH_GPIO_74HC153_1Y 12
40#define WZRHPG300NH_GPIO_74HC153_2Y 14
41
42#define WZRHPG300NH_GPIO_EXP_BASE 32
43#define WZRHPG300NH_GPIO_BTN_AOSS (WZRHPG300NH_GPIO_EXP_BASE + 0)
44#define WZRHPG300NH_GPIO_BTN_RESET (WZRHPG300NH_GPIO_EXP_BASE + 1)
45#define WZRHPG300NH_GPIO_BTN_ROUTER_ON (WZRHPG300NH_GPIO_EXP_BASE + 2)
46#define WZRHPG300NH_GPIO_BTN_QOS_ON (WZRHPG300NH_GPIO_EXP_BASE + 3)
47#define WZRHPG300NH_GPIO_BTN_USB (WZRHPG300NH_GPIO_EXP_BASE + 5)
48#define WZRHPG300NH_GPIO_BTN_ROUTER_AUTO (WZRHPG300NH_GPIO_EXP_BASE + 6)
49#define WZRHPG300NH_GPIO_BTN_QOS_OFF (WZRHPG300NH_GPIO_EXP_BASE + 7)
50
51#define WZRHPG300NH_KEYS_POLL_INTERVAL 20 /* msecs */
52#define WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPG300NH_KEYS_POLL_INTERVAL)
53
54#define WZRHPG300NH_MAC_OFFSET 0x20c
55
56#ifdef CONFIG_MTD_PARTITIONS
57static struct mtd_partition wzrhpg300nh_flash_partitions[] = {
58    {
59        .name = "u-boot",
60        .offset = 0,
61        .size = 0x0040000,
62        .mask_flags = MTD_WRITEABLE,
63    }, {
64        .name = "u-boot-env",
65        .offset = 0x0040000,
66        .size = 0x0020000,
67        .mask_flags = MTD_WRITEABLE,
68    }, {
69        .name = "kernel",
70        .offset = 0x0060000,
71        .size = 0x0100000,
72    }, {
73        .name = "rootfs",
74        .offset = 0x0160000,
75        .size = 0x1e60000,
76    }, {
77        .name = "user_property",
78        .offset = 0x1fc0000,
79        .size = 0x0020000,
80        .mask_flags = MTD_WRITEABLE,
81    }, {
82        .name = "art",
83        .offset = 0x1fe0000,
84        .size = 0x0020000,
85        .mask_flags = MTD_WRITEABLE,
86    }, {
87        .name = "firmware",
88        .offset = 0x0060000,
89        .size = 0x1f60000,
90    }
91};
92#endif /* CONFIG_MTD_PARTITIONS */
93
94static struct ar91xx_flash_platform_data wzrhpg300nh_flash_data = {
95    .width = 2,
96#ifdef CONFIG_MTD_PARTITIONS
97    .parts = wzrhpg300nh_flash_partitions,
98    .nr_parts = ARRAY_SIZE(wzrhpg300nh_flash_partitions),
99#endif
100};
101
102#define WZRHPG300NH_FLASH_BASE 0x1e000000
103#define WZRHPG300NH_FLASH_SIZE (32 * 1024 * 1024)
104
105static struct resource wzrhpg300nh_flash_resources[] = {
106    [0] = {
107        .start = WZRHPG300NH_FLASH_BASE,
108        .end = WZRHPG300NH_FLASH_BASE + WZRHPG300NH_FLASH_SIZE - 1,
109        .flags = IORESOURCE_MEM,
110    },
111};
112
113static struct platform_device wzrhpg300nh_flash_device = {
114    .name = "ar91xx-flash",
115    .id = -1,
116    .resource = wzrhpg300nh_flash_resources,
117    .num_resources = ARRAY_SIZE(wzrhpg300nh_flash_resources),
118    .dev = {
119        .platform_data = &wzrhpg300nh_flash_data,
120    }
121};
122
123static struct gpio_led wzrhpg300nh_leds_gpio[] __initdata = {
124    {
125        .name = "wzr-hp-g300nh:orange:security",
126        .gpio = WZRHPG300NH_GPIO_LED_SECURITY,
127        .active_low = 1,
128    }, {
129        .name = "wzr-hp-g300nh:green:wireless",
130        .gpio = WZRHPG300NH_GPIO_LED_WIRELESS,
131        .active_low = 1,
132    }, {
133        .name = "wzr-hp-g300nh:green:router",
134        .gpio = WZRHPG300NH_GPIO_LED_ROUTER,
135        .active_low = 1,
136    }, {
137        .name = "wzr-hp-g300nh:red:diag",
138        .gpio = WZRHPG300NH_GPIO_LED_DIAG,
139        .active_low = 1,
140    }, {
141        .name = "wzr-hp-g300nh:blue:usb",
142        .gpio = WZRHPG300NH_GPIO_LED_USB,
143        .active_low = 1,
144    }
145};
146
147static struct gpio_keys_button wzrhpg300nh_gpio_keys[] __initdata = {
148    {
149        .desc = "reset",
150        .type = EV_KEY,
151        .code = KEY_RESTART,
152        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
153        .gpio = WZRHPG300NH_GPIO_BTN_RESET,
154        .active_low = 1,
155    }, {
156        .desc = "aoss",
157        .type = EV_KEY,
158        .code = KEY_WPS_BUTTON,
159        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
160        .gpio = WZRHPG300NH_GPIO_BTN_AOSS,
161        .active_low = 1,
162    }, {
163        .desc = "usb",
164        .type = EV_KEY,
165        .code = BTN_2,
166        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
167        .gpio = WZRHPG300NH_GPIO_BTN_USB,
168        .active_low = 1,
169    }, {
170        .desc = "qos_on",
171        .type = EV_KEY,
172        .code = BTN_3,
173        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
174        .gpio = WZRHPG300NH_GPIO_BTN_QOS_ON,
175        .active_low = 0,
176    }, {
177        .desc = "qos_off",
178        .type = EV_KEY,
179        .code = BTN_4,
180        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
181        .gpio = WZRHPG300NH_GPIO_BTN_QOS_OFF,
182        .active_low = 0,
183    }, {
184        .desc = "router_on",
185        .type = EV_KEY,
186        .code = BTN_5,
187        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
188        .gpio = WZRHPG300NH_GPIO_BTN_ROUTER_ON,
189        .active_low = 0,
190    }, {
191        .desc = "router_auto",
192        .type = EV_KEY,
193        .code = BTN_6,
194        .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
195        .gpio = WZRHPG300NH_GPIO_BTN_ROUTER_AUTO,
196        .active_low = 0,
197    }
198};
199
200static struct nxp_74hc153_platform_data wzrhpg300nh_74hc153_data = {
201    .gpio_base = WZRHPG300NH_GPIO_EXP_BASE,
202    .gpio_pin_s0 = WZRHPG300NH_GPIO_74HC153_S0,
203    .gpio_pin_s1 = WZRHPG300NH_GPIO_74HC153_S1,
204    .gpio_pin_1y = WZRHPG300NH_GPIO_74HC153_1Y,
205    .gpio_pin_2y = WZRHPG300NH_GPIO_74HC153_2Y,
206};
207
208static struct platform_device wzrhpg300nh_74hc153_device = {
209    .name = NXP_74HC153_DRIVER_NAME,
210    .id = -1,
211    .dev = {
212        .platform_data = &wzrhpg300nh_74hc153_data,
213    }
214};
215
216static struct rtl8366_platform_data wzrhpg300nh_rtl8366_data = {
217    .gpio_sda = WZRHPG300NH_GPIO_RTL8366_SDA,
218    .gpio_sck = WZRHPG300NH_GPIO_RTL8366_SCK,
219};
220
221static struct platform_device wzrhpg300nh_rtl8366s_device = {
222    .name = RTL8366S_DRIVER_NAME,
223    .id = -1,
224    .dev = {
225        .platform_data = &wzrhpg300nh_rtl8366_data,
226    }
227};
228
229static struct platform_device wzrhpg300nh_rtl8366rb_device = {
230    .name = RTL8366RB_DRIVER_NAME,
231    .id = -1,
232    .dev = {
233        .platform_data = &wzrhpg300nh_rtl8366_data,
234    }
235};
236
237static void __init wzrhpg300nh_setup(void)
238{
239    u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
240    u8 *mac = eeprom + WZRHPG300NH_MAC_OFFSET;
241    bool hasrtl8366rb = false;
242
243    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
244    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
245
246    if (rtl8366_smi_detect(&wzrhpg300nh_rtl8366_data) == RTL8366_TYPE_RB)
247        hasrtl8366rb = true;
248
249    if (hasrtl8366rb) {
250        ar71xx_eth0_pll_data.pll_1000 = 0x1f000000;
251        ar71xx_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
252        ar71xx_eth1_pll_data.pll_1000 = 0x100;
253        ar71xx_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
254    } else {
255        ar71xx_eth0_pll_data.pll_1000 = 0x1e000100;
256        ar71xx_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
257        ar71xx_eth1_pll_data.pll_1000 = 0x1e000100;
258        ar71xx_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
259    }
260
261    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
262    ar71xx_eth0_data.speed = SPEED_1000;
263    ar71xx_eth0_data.duplex = DUPLEX_FULL;
264
265    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
266    ar71xx_eth1_data.phy_mask = 0x10;
267
268    ar71xx_add_device_eth(0);
269    ar71xx_add_device_eth(1);
270
271    ar71xx_add_device_usb();
272    ar9xxx_add_device_wmac(eeprom, NULL);
273
274    platform_device_register(&wzrhpg300nh_74hc153_device);
275    platform_device_register(&wzrhpg300nh_flash_device);
276
277    if (hasrtl8366rb)
278        platform_device_register(&wzrhpg300nh_rtl8366rb_device);
279    else
280        platform_device_register(&wzrhpg300nh_rtl8366s_device);
281
282    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh_leds_gpio),
283                    wzrhpg300nh_leds_gpio);
284
285    ar71xx_register_gpio_keys_polled(-1, WZRHPG300NH_KEYS_POLL_INTERVAL,
286                     ARRAY_SIZE(wzrhpg300nh_gpio_keys),
287                     wzrhpg300nh_gpio_keys);
288
289}
290
291MIPS_MACHINE(AR71XX_MACH_WZR_HP_G300NH, "WZR-HP-G300NH",
292         "Buffalo WZR-HP-G300NH", wzrhpg300nh_setup);
293

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