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ar71xx: WNR2000v3: enable control of all LEDs and buttons
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-wnr2000-v3.c
1 /*
2 * NETGEAR WNR2000v3/WNR612v2/WNR1000v2/WPN824N board support
3 *
4 * Copyright (C) 2015 Hartmut Knaack <knaack.h@gmx.de>
5 * Copyright (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
6 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
7 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
8 * Copyright (C) 2008-2009 Andy Boyett <agb@openwrt.org>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
13 */
14
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/partitions.h>
17 #include <linux/kernel.h> /* for max() macro */
18 #include <linux/platform_device.h> /* PLATFORM_DEVID_AUTO is defined here */
19
20 #include <asm/mach-ath79/ath79.h>
21 #include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
22 #include "common.h" /* needed to disable switch LEDs */
23
24 #include "dev-ap9x-pci.h"
25 #include "dev-eth.h"
26 #include "dev-gpio-buttons.h"
27 #include "dev-leds-gpio.h"
28 #include "dev-m25p80.h"
29 #include "machtypes.h"
30
31 /* WNR2000v3 - connected through AR7241 */
32 #define WNR2000V3_GPIO_LED_WAN_GREEN 0
33 #define WNR2000V3_GPIO_LED_LAN1_AMBER 1
34 #define WNR2000V3_GPIO_LED_LAN2_AMBER 6
35 #define WNR2000V3_GPIO_LED_WPS_GREEN 7
36 #define WNR2000V3_GPIO_LED_LAN3_AMBER 8
37 #define WNR2000V3_GPIO_BTN_WPS 11
38 #define WNR2000V3_GPIO_LED_LAN4_AMBER 12
39 #define WNR2000V3_GPIO_LED_LAN1_GREEN 13
40 #define WNR2000V3_GPIO_LED_LAN2_GREEN 14
41 #define WNR2000V3_GPIO_LED_LAN3_GREEN 15
42 #define WNR2000V3_GPIO_LED_LAN4_GREEN 16
43 #define WNR2000V3_GPIO_LED_WAN_AMBER 17
44
45 /* WNR2000v3 - connected through AR9287 */
46 #define WNR2000V3_GPIO_WMAC_LED_WLAN_BLUE 1
47 #define WNR2000V3_GPIO_WMAC_LED_TEST_AMBER 2
48 #define WNR2000V3_GPIO_WMAC_LED_POWER_GREEN 3
49 #define WNR2000V3_GPIO_WMAC_BTN_RESET 8
50 #define WNR2000V3_GPIO_WMAC_BTN_RFKILL 9
51
52 #define WNR612V2_GPIO_LED_PWR_GREEN 11
53
54 #define WNR1000V2_GPIO_LED_PWR_AMBER 1
55 #define WNR1000V2_GPIO_LED_PWR_GREEN 11
56
57 /* Connected through AR7240 */
58 #define WPN824N_GPIO_LED_WAN_AMBER 0
59 #define WPN824N_GPIO_LED_STATUS_AMBER 1
60 #define WPN824N_GPIO_LED_LAN1_AMBER 6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
61 #define WPN824N_GPIO_LED_LAN2_AMBER 7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
62 #define WPN824N_GPIO_LED_LAN3_AMBER 8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
63 #define WPN824N_GPIO_LED_LAN4_AMBER 12
64 #define WPN824N_GPIO_LED_LAN1_GREEN 13
65 #define WPN824N_GPIO_LED_LAN2_GREEN 14
66 #define WPN824N_GPIO_LED_LAN3_GREEN 15 /* AR724X_GPIO_FUNC_CLK_OBS3_EN */
67 #define WPN824N_GPIO_LED_LAN4_GREEN 16
68 #define WPN824N_GPIO_LED_WAN_GREEN 17
69
70 /* Connected through AR9285 */
71 #define WPN824N_WGPIO_LED_PWR_GREEN 0
72 #define WPN824N_WGPIO_LED_WLAN_BLUE 1
73 #define WPN824N_WGPIO_LED_WPS1_BLUE 5
74 #define WPN824N_WGPIO_LED_WPS2_BLUE 9
75 #define WPN824N_WGPIO_LED_TEST_AMBER 10
76 #define WPN824N_WGPIO_BTN_PUSH 6 /* currently unused */
77 #define WPN824N_WGPIO_BTN_RESET 7 /* currently unused */
78 #define WPN824N_WGPIO_BTN_WLAN 8 /* currently unused */
79
80 #define WNR2000V3_KEYS_POLL_INTERVAL 20 /* msecs */
81 #define WNR2000V3_KEYS_DEBOUNCE_INTERVAL (3 * WNR2000V3_KEYS_POLL_INTERVAL)
82
83 /* ART offsets for: WNR2000v3, WNR612v2 */
84 #define WNR2000V3_MAC0_OFFSET 0
85 #define WNR2000V3_MAC1_OFFSET 6
86 #define WNR2000V3_PCIE_CALDATA_OFFSET 0x1000
87 #define WNR2000V3_WMAC_OFFSET 0x108c /* wireless MAC is inside ART */
88
89 static struct gpio_led wnr2000v3_leds_gpio[] __initdata = {
90 {
91 .name = "netgear:green:wan",
92 .gpio = WNR2000V3_GPIO_LED_WAN_GREEN,
93 .active_low = 1,
94 }, {
95 .name = "netgear:amber:lan1",
96 .gpio = WNR2000V3_GPIO_LED_LAN1_AMBER,
97 .active_low = 1,
98 }, {
99 .name = "netgear:amber:lan2",
100 .gpio = WNR2000V3_GPIO_LED_LAN2_AMBER,
101 .active_low = 1,
102 }, {
103 .name = "netgear:amber:lan3",
104 .gpio = WNR2000V3_GPIO_LED_LAN3_AMBER,
105 .active_low = 1,
106 }, {
107 .name = "netgear:amber:lan4",
108 .gpio = WNR2000V3_GPIO_LED_LAN4_AMBER,
109 .active_low = 1,
110 }, {
111 .name = "netgear:green:wps",
112 .gpio = WNR2000V3_GPIO_LED_WPS_GREEN,
113 .active_low = 1,
114 }, {
115 .name = "netgear:green:lan1",
116 .gpio = WNR2000V3_GPIO_LED_LAN1_GREEN,
117 .active_low = 1,
118 }, {
119 .name = "netgear:green:lan2",
120 .gpio = WNR2000V3_GPIO_LED_LAN2_GREEN,
121 .active_low = 1,
122 }, {
123 .name = "netgear:green:lan3",
124 .gpio = WNR2000V3_GPIO_LED_LAN3_GREEN,
125 .active_low = 1,
126 }, {
127 .name = "netgear:green:lan4",
128 .gpio = WNR2000V3_GPIO_LED_LAN4_GREEN,
129 .active_low = 1,
130 }, {
131 .name = "netgear:amber:wan",
132 .gpio = WNR2000V3_GPIO_LED_WAN_AMBER,
133 .active_low = 1,
134 }
135 };
136
137 static struct gpio_led wnr2000v3_wmac_leds_gpio[] = {
138 {
139 .name = "netgear:green:power",
140 .gpio = WNR2000V3_GPIO_WMAC_LED_POWER_GREEN,
141 .active_low = 1,
142 .default_state = LEDS_GPIO_DEFSTATE_ON,
143 }, {
144 .name = "netgear:amber:test",
145 .gpio = WNR2000V3_GPIO_WMAC_LED_TEST_AMBER,
146 .active_low = 1,
147 }
148 };
149
150 static const char *wnr2000v3_wmac_led_name = "netgear:blue:wlan";
151
152 static struct gpio_led wnr612v2_leds_gpio[] __initdata = {
153 {
154 .name = "netgear:green:power",
155 .gpio = WNR612V2_GPIO_LED_PWR_GREEN,
156 .active_low = 1,
157 }
158 };
159
160 static struct gpio_led wnr1000v2_leds_gpio[] __initdata = {
161 {
162 .name = "netgear:green:power",
163 .gpio = WNR1000V2_GPIO_LED_PWR_GREEN,
164 .active_low = 1,
165 }, {
166 .name = "netgear:amber:power",
167 .gpio = WNR1000V2_GPIO_LED_PWR_AMBER,
168 .active_low = 1,
169 }
170 };
171
172 static struct gpio_led wpn824n_leds_gpio[] __initdata = {
173 {
174 .name = "netgear:amber:wan",
175 .gpio = WPN824N_GPIO_LED_WAN_AMBER,
176 .active_low = 1,
177 }, {
178 .name = "netgear:amber:status",
179 .gpio = WPN824N_GPIO_LED_STATUS_AMBER,
180 .active_low = 1,
181 }, {
182 .name = "netgear:amber:lan1",
183 .gpio = WPN824N_GPIO_LED_LAN1_AMBER,
184 .active_low = 1,
185 }, {
186 .name = "netgear:amber:lan2",
187 .gpio = WPN824N_GPIO_LED_LAN2_AMBER,
188 .active_low = 1,
189 }, {
190 .name = "netgear:amber:lan3",
191 .gpio = WPN824N_GPIO_LED_LAN3_AMBER,
192 .active_low = 1,
193 }, {
194 .name = "netgear:amber:lan4",
195 .gpio = WPN824N_GPIO_LED_LAN4_AMBER,
196 .active_low = 1,
197 }, {
198 .name = "netgear:green:lan1",
199 .gpio = WPN824N_GPIO_LED_LAN1_GREEN,
200 .active_low = 1,
201 }, {
202 .name = "netgear:green:lan2",
203 .gpio = WPN824N_GPIO_LED_LAN2_GREEN,
204 .active_low = 1,
205 }, {
206 .name = "netgear:green:lan3",
207 .gpio = WPN824N_GPIO_LED_LAN3_GREEN,
208 .active_low = 1,
209 }, {
210 .name = "netgear:green:lan4",
211 .gpio = WPN824N_GPIO_LED_LAN4_GREEN,
212 .active_low = 1,
213 }, {
214 .name = "netgear:green:wan",
215 .gpio = WPN824N_GPIO_LED_WAN_GREEN,
216 .active_low = 1,
217 }
218 };
219
220 static struct gpio_led wpn824n_wmac_leds_gpio[] = {
221 {
222 .name = "netgear:green:power",
223 .gpio = WPN824N_WGPIO_LED_PWR_GREEN,
224 .active_low = 1,
225 }, {
226 .name = "netgear:blue:wlan",
227 .gpio = WPN824N_WGPIO_LED_WLAN_BLUE,
228 .active_low = 1,
229 }, {
230 .name = "netgear:blue:wps1",
231 .gpio = WPN824N_WGPIO_LED_WPS1_BLUE,
232 .active_low = 1,
233 }, {
234 .name = "netgear:blue:wps2",
235 .gpio = WPN824N_WGPIO_LED_WPS2_BLUE,
236 .active_low = 1,
237 }, {
238 .name = "netgear:amber:test",
239 .gpio = WPN824N_WGPIO_LED_TEST_AMBER,
240 .active_low = 1,
241 }
242 };
243
244 static struct gpio_keys_button wnr2000v3_keys_gpio[] __initdata = {
245 {
246 .desc = "wps",
247 .type = EV_KEY,
248 .code = KEY_WPS_BUTTON,
249 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
250 .gpio = WNR2000V3_GPIO_BTN_WPS,
251 .active_low = 1,
252 }
253 };
254
255 static struct gpio_keys_button wnr2000v3_wmac_keys_gpio[] = {
256 {
257 .desc = "reset",
258 .type = EV_KEY,
259 .code = KEY_RESTART,
260 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
261 .gpio = WNR2000V3_GPIO_WMAC_BTN_RESET,
262 .active_low = 1,
263 }, {
264 .desc = "rfkill",
265 .type = EV_KEY,
266 .code = KEY_RFKILL,
267 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
268 .gpio = WNR2000V3_GPIO_WMAC_BTN_RFKILL,
269 .active_low = 1,
270 }
271 };
272
273 /*
274 * For WNR2000v3 ART flash area used for WLAN MAC is usually empty (0xff)
275 * so ath9k driver uses random MAC instead each time module is loaded.
276 * To fix that, assign permanent WLAN MAC equal to ethN's MAC plus 1,
277 * so network interfaces get sequential addresses.
278 * If ART wireless MAC address field has been filled by user, use it.
279 */
280 static void __init wnr_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset,
281 int mac1_art_offset, int wmac_art_offset)
282 {
283 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
284 u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset);
285 u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset);
286 u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset);
287
288 /* only 0xff if all bits are set - address is invalid, empty area */
289 if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] &
290 wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) {
291 memcpy(wmac_gen_addr, eth0_mac_addr, 5);
292 wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1;
293
294 /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */
295 if (!wmac_gen_addr[5])
296 wmac_gen_addr[5] = 1;
297 } else
298 memcpy(wmac_gen_addr, wlan_mac_addr, 6);
299 }
300
301 static void __init wnr_common_setup(u8 *wmac_addr)
302 {
303 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
304
305 ath79_register_mdio(0, 0x0);
306
307 ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2000V3_MAC0_OFFSET, 0);
308 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
309 ath79_eth0_data.speed = SPEED_100;
310 ath79_eth0_data.duplex = DUPLEX_FULL;
311
312 ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2000V3_MAC1_OFFSET, 0);
313 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
314 ath79_eth1_data.phy_mask = 0x10;
315
316 ath79_register_eth(0);
317 ath79_register_eth(1);
318
319 ath79_register_m25p80(NULL);
320 ap91_pci_init(art + WNR2000V3_PCIE_CALDATA_OFFSET, wmac_addr);
321 }
322
323 static void __init wnr2000v3_setup(void)
324 {
325 u8 wlan_mac_addr[6];
326
327 /*
328 * Disable JTAG to use all AR724X GPIO LEDs.
329 * Also disable CLKs and bit 20 as u-boot does.
330 * Finally, allow OS to control all link LEDs.
331 */
332 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE |
333 AR724X_GPIO_FUNC_UART_EN,
334 AR724X_GPIO_FUNC_CLK_OBS1_EN |
335 AR724X_GPIO_FUNC_CLK_OBS2_EN |
336 AR724X_GPIO_FUNC_CLK_OBS3_EN |
337 AR724X_GPIO_FUNC_CLK_OBS4_EN |
338 AR724X_GPIO_FUNC_CLK_OBS5_EN |
339 AR724X_GPIO_FUNC_GE0_MII_CLK_EN |
340 AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
341 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
342 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
343 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
344 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
345 BIT(20));
346
347 wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET,
348 WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET);
349
350 wnr_common_setup(wlan_mac_addr);
351
352 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2000v3_leds_gpio),
353 wnr2000v3_leds_gpio);
354
355 /* Do not use id=-1, we can have more GPIO key-polled devices */
356 ath79_register_gpio_keys_polled(PLATFORM_DEVID_AUTO,
357 WNR2000V3_KEYS_POLL_INTERVAL,
358 ARRAY_SIZE(wnr2000v3_keys_gpio),
359 wnr2000v3_keys_gpio);
360
361 ap9x_pci_setup_wmac_led_pin(0, WNR2000V3_GPIO_WMAC_LED_WLAN_BLUE);
362 ap9x_pci_setup_wmac_led_name(0, wnr2000v3_wmac_led_name);
363
364 ap9x_pci_setup_wmac_leds(0, wnr2000v3_wmac_leds_gpio,
365 ARRAY_SIZE(wnr2000v3_wmac_leds_gpio));
366
367 ap9x_pci_setup_wmac_btns(0, wnr2000v3_wmac_keys_gpio,
368 ARRAY_SIZE(wnr2000v3_wmac_keys_gpio),
369 WNR2000V3_KEYS_POLL_INTERVAL);
370 }
371
372 MIPS_MACHINE(ATH79_MACH_WNR2000_V3, "WNR2000V3", "NETGEAR WNR2000 V3", wnr2000v3_setup);
373
374 static void __init wnr612v2_setup(void)
375 {
376 u8 wlan_mac_addr[6];
377
378 wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET,
379 WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET);
380
381 wnr_common_setup(wlan_mac_addr);
382
383 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr612v2_leds_gpio),
384 wnr612v2_leds_gpio);
385 }
386
387 MIPS_MACHINE(ATH79_MACH_WNR612_V2, "WNR612V2", "NETGEAR WNR612 V2", wnr612v2_setup);
388
389 static void __init wnr1000v2_setup(void)
390 {
391 wnr_common_setup(NULL);
392
393 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr1000v2_leds_gpio),
394 wnr1000v2_leds_gpio);
395 }
396
397 MIPS_MACHINE(ATH79_MACH_WNR1000_V2, "WNR1000V2", "NETGEAR WNR1000 V2", wnr1000v2_setup);
398
399 static void __init wpn824n_setup(void)
400 {
401 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
402 AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
403 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
404 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
405 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
406 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
407 AR724X_GPIO_FUNC_CLK_OBS3_EN);
408
409 wnr_common_setup(NULL);
410
411 ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio),
412 wpn824n_leds_gpio);
413
414 ap9x_pci_setup_wmac_led_pin(0, WPN824N_WGPIO_LED_WLAN_BLUE);
415 ap9x_pci_setup_wmac_leds(0, wpn824n_wmac_leds_gpio,
416 ARRAY_SIZE(wpn824n_wmac_leds_gpio));
417 }
418
419 MIPS_MACHINE(ATH79_MACH_WPN824N, "WPN824N", "NETGEAR WPN824N", wpn824n_setup);
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