ar71xx: WNR2000v3: fix for random WLAN MAC
[openwrt/openwrt.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
19 #include <asm/mach-ath79/ath79.h>
20 #include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
21 #include "common.h" /* needed to disable switch LEDs */
22
23 #include "dev-ap9x-pci.h"
24 #include "dev-eth.h"
25 #include "dev-gpio-buttons.h"
26 #include "dev-leds-gpio.h"
27 #include "dev-m25p80.h"
28 #include "machtypes.h"
29
30 #define WNR2000V3_GPIO_LED_WAN_GREEN 0
31 #define WNR2000V3_GPIO_LED_LAN1_AMBER 1
32 #define WNR2000V3_GPIO_LED_LAN4_AMBER 12
33 #define WNR2000V3_GPIO_LED_PWR_GREEN 14
34 #define WNR2000V3_GPIO_BTN_WPS 11
35
36 #define WNR612V2_GPIO_LED_PWR_GREEN 11
37
38 #define WNR1000V2_GPIO_LED_PWR_AMBER 1
39 #define WNR1000V2_GPIO_LED_PWR_GREEN 11
40
41 /* Connected through AR7240 */
42 #define WPN824N_GPIO_LED_WAN_AMBER 0
43 #define WPN824N_GPIO_LED_STATUS_AMBER 1
44 #define WPN824N_GPIO_LED_LAN1_AMBER 6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
45 #define WPN824N_GPIO_LED_LAN2_AMBER 7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
46 #define WPN824N_GPIO_LED_LAN3_AMBER 8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
47 #define WPN824N_GPIO_LED_LAN4_AMBER 12
48 #define WPN824N_GPIO_LED_LAN1_GREEN 13
49 #define WPN824N_GPIO_LED_LAN2_GREEN 14
50 #define WPN824N_GPIO_LED_LAN3_GREEN 15 /* AR724X_GPIO_FUNC_CLK_OBS3_EN */
51 #define WPN824N_GPIO_LED_LAN4_GREEN 16
52 #define WPN824N_GPIO_LED_WAN_GREEN 17
53
54 /* Connected through AR9285 */
55 #define WPN824N_WGPIO_LED_PWR_GREEN 0
56 #define WPN824N_WGPIO_LED_WLAN_BLUE 1
57 #define WPN824N_WGPIO_LED_WPS1_BLUE 5
58 #define WPN824N_WGPIO_LED_WPS2_BLUE 9
59 #define WPN824N_WGPIO_LED_TEST_AMBER 10
60 #define WPN824N_WGPIO_BTN_PUSH 6 /* currently unused */
61 #define WPN824N_WGPIO_BTN_RESET 7 /* currently unused */
62 #define WPN824N_WGPIO_BTN_WLAN 8 /* currently unused */
63
64 #define WNR2000V3_KEYS_POLL_INTERVAL 20 /* msecs */
65 #define WNR2000V3_KEYS_DEBOUNCE_INTERVAL (3 * WNR2000V3_KEYS_POLL_INTERVAL)
66
67 #define WNR2000V3_MAC0_OFFSET 0
68 #define WNR2000V3_MAC1_OFFSET 6
69 #define WNR2000V3_PCIE_CALDATA_OFFSET 0x1000
70 #define WNR2000V3_WMAC_OFFSET 0x108c /* wireless MAC is inside ART */
71
72 static struct gpio_led wnr2000v3_leds_gpio[] __initdata = {
73 {
74 .name = "wnr2000v3:green:power",
75 .gpio = WNR2000V3_GPIO_LED_PWR_GREEN,
76 .active_low = 1,
77 }, {
78 .name = "wnr2000v3:green:wan",
79 .gpio = WNR2000V3_GPIO_LED_WAN_GREEN,
80 .active_low = 1,
81 }
82 };
83
84 static struct gpio_led wnr612v2_leds_gpio[] __initdata = {
85 {
86 .name = "netgear:green:power",
87 .gpio = WNR612V2_GPIO_LED_PWR_GREEN,
88 .active_low = 1,
89 }
90 };
91
92 static struct gpio_led wnr1000v2_leds_gpio[] __initdata = {
93 {
94 .name = "netgear:green:power",
95 .gpio = WNR1000V2_GPIO_LED_PWR_GREEN,
96 .active_low = 1,
97 }, {
98 .name = "netgear:amber:power",
99 .gpio = WNR1000V2_GPIO_LED_PWR_AMBER,
100 .active_low = 1,
101 }
102 };
103
104 static struct gpio_led wpn824n_leds_gpio[] __initdata = {
105 {
106 .name = "netgear:amber:wan",
107 .gpio = WPN824N_GPIO_LED_WAN_AMBER,
108 .active_low = 1,
109 }, {
110 .name = "netgear:amber:status",
111 .gpio = WPN824N_GPIO_LED_STATUS_AMBER,
112 .active_low = 1,
113 }, {
114 .name = "netgear:amber:lan1",
115 .gpio = WPN824N_GPIO_LED_LAN1_AMBER,
116 .active_low = 1,
117 }, {
118 .name = "netgear:amber:lan2",
119 .gpio = WPN824N_GPIO_LED_LAN2_AMBER,
120 .active_low = 1,
121 }, {
122 .name = "netgear:amber:lan3",
123 .gpio = WPN824N_GPIO_LED_LAN3_AMBER,
124 .active_low = 1,
125 }, {
126 .name = "netgear:amber:lan4",
127 .gpio = WPN824N_GPIO_LED_LAN4_AMBER,
128 .active_low = 1,
129 }, {
130 .name = "netgear:green:lan1",
131 .gpio = WPN824N_GPIO_LED_LAN1_GREEN,
132 .active_low = 1,
133 }, {
134 .name = "netgear:green:lan2",
135 .gpio = WPN824N_GPIO_LED_LAN2_GREEN,
136 .active_low = 1,
137 }, {
138 .name = "netgear:green:lan3",
139 .gpio = WPN824N_GPIO_LED_LAN3_GREEN,
140 .active_low = 1,
141 }, {
142 .name = "netgear:green:lan4",
143 .gpio = WPN824N_GPIO_LED_LAN4_GREEN,
144 .active_low = 1,
145 }, {
146 .name = "netgear:green:wan",
147 .gpio = WPN824N_GPIO_LED_WAN_GREEN,
148 .active_low = 1,
149 }
150 };
151
152 static struct gpio_led wpn824n_wmac_leds_gpio[] = {
153 {
154 .name = "netgear:green:power",
155 .gpio = WPN824N_WGPIO_LED_PWR_GREEN,
156 .active_low = 1,
157 }, {
158 .name = "netgear:blue:wlan",
159 .gpio = WPN824N_WGPIO_LED_WLAN_BLUE,
160 .active_low = 1,
161 }, {
162 .name = "netgear:blue:wps1",
163 .gpio = WPN824N_WGPIO_LED_WPS1_BLUE,
164 .active_low = 1,
165 }, {
166 .name = "netgear:blue:wps2",
167 .gpio = WPN824N_WGPIO_LED_WPS2_BLUE,
168 .active_low = 1,
169 }, {
170 .name = "netgear:amber:test",
171 .gpio = WPN824N_WGPIO_LED_TEST_AMBER,
172 .active_low = 1,
173 }
174 };
175
176 static struct gpio_keys_button wnr2000v3_gpio_keys[] __initdata = {
177 {
178 .desc = "wps",
179 .type = EV_KEY,
180 .code = KEY_WPS_BUTTON,
181 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
182 .gpio = WNR2000V3_GPIO_BTN_WPS,
183 }
184 };
185
186 /*
187 * For WNR2000v3 ART flash area used for WLAN MAC is usually empty (0xff)
188 * so ath9k driver uses random MAC instead each time module is loaded.
189 * To fix that, assign permanent WLAN MAC equal to ethN's MAC plus 1,
190 * so network interfaces get sequential addresses.
191 * If ART wireless MAC address field has been filled by user, use it.
192 */
193 static void __init wnr_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset,
194 int mac1_art_offset, int wmac_art_offset)
195 {
196 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
197 u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset);
198 u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset);
199 u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset);
200
201 /* only 0xff if all bits are set - address is invalid, empty area */
202 if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] &
203 wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) {
204 memcpy(wmac_gen_addr, eth0_mac_addr, 5);
205 wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1;
206
207 /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */
208 if (!wmac_gen_addr[5])
209 wmac_gen_addr[5] = 1;
210 } else
211 memcpy(wmac_gen_addr, wlan_mac_addr, 6);
212 }
213
214 static void __init wnr_common_setup(u8 *wmac_addr)
215 {
216 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
217
218 ath79_register_mdio(0, 0x0);
219
220 ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2000V3_MAC0_OFFSET, 0);
221 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
222 ath79_eth0_data.speed = SPEED_100;
223 ath79_eth0_data.duplex = DUPLEX_FULL;
224
225 ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2000V3_MAC1_OFFSET, 0);
226 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
227 ath79_eth1_data.phy_mask = 0x10;
228
229 ath79_register_eth(0);
230 ath79_register_eth(1);
231
232 ath79_register_m25p80(NULL);
233 ap91_pci_init(art + WNR2000V3_PCIE_CALDATA_OFFSET, wmac_addr);
234 }
235
236 static void __init wnr2000v3_setup(void)
237 {
238 u8 wlan_mac_addr[6];
239
240 wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET,
241 WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET);
242
243 wnr_common_setup(wlan_mac_addr);
244
245 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2000v3_leds_gpio),
246 wnr2000v3_leds_gpio);
247
248 ath79_register_gpio_keys_polled(-1, WNR2000V3_KEYS_POLL_INTERVAL,
249 ARRAY_SIZE(wnr2000v3_gpio_keys),
250 wnr2000v3_gpio_keys);
251 }
252
253 MIPS_MACHINE(ATH79_MACH_WNR2000_V3, "WNR2000V3", "NETGEAR WNR2000 V3", wnr2000v3_setup);
254
255 static void __init wnr612v2_setup(void)
256 {
257 wnr_common_setup(NULL);
258
259 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr612v2_leds_gpio),
260 wnr612v2_leds_gpio);
261 }
262
263 MIPS_MACHINE(ATH79_MACH_WNR612_V2, "WNR612V2", "NETGEAR WNR612 V2", wnr612v2_setup);
264
265 static void __init wnr1000v2_setup(void)
266 {
267 wnr_common_setup(NULL);
268
269 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr1000v2_leds_gpio),
270 wnr1000v2_leds_gpio);
271 }
272
273 MIPS_MACHINE(ATH79_MACH_WNR1000_V2, "WNR1000V2", "NETGEAR WNR1000 V2", wnr1000v2_setup);
274
275 static void __init wpn824n_setup(void)
276 {
277 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
278 AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
279 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
280 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
281 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
282 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
283 AR724X_GPIO_FUNC_CLK_OBS3_EN);
284
285 wnr_common_setup(NULL);
286
287 ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio),
288 wpn824n_leds_gpio);
289
290 ap9x_pci_setup_wmac_led_pin(0, WPN824N_WGPIO_LED_WLAN_BLUE);
291 ap9x_pci_setup_wmac_leds(0, wpn824n_wmac_leds_gpio,
292 ARRAY_SIZE(wpn824n_wmac_leds_gpio));
293 }
294
295 MIPS_MACHINE(ATH79_MACH_WPN824N, "WPN824N", "NETGEAR WPN824N", wpn824n_setup);