OpenWrt – Blame information for rev 4

Subversion Repositories:
Rev:
Rev Author Line No. Line
4 office 1 /*
2 * NETGEAR WNR2200 board support
3 *
4 * Copyright (C) 2013 Aidan Kissane <aidankissane at googlemail.com>
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/gpio.h>
12  
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/kernel.h> /* for max() macro */
16  
17 #include <asm/mach-ath79/ath79.h>
18 #include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
19 #include "common.h" /* needed to disable switch LEDs */
20  
21 #include "dev-ap9x-pci.h"
22 #include "dev-eth.h"
23 #include "dev-gpio-buttons.h"
24 #include "dev-leds-gpio.h"
25 #include "dev-m25p80.h"
26 #include "dev-usb.h"
27 #include "machtypes.h"
28  
29 /* WNR2200 - connected through AR7241 */
30 #define WNR2200_GPIO_LED_LAN2_AMBER 0
31 #define WNR2200_GPIO_LED_LAN4_AMBER 1
32 #define WNR2200_GPIO_LED_LAN1_AMBER 6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
33 #define WNR2200_GPIO_LED_WPS_GREEN 7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
34 #define WNR2200_GPIO_LED_USB_GREEN 8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
35 #define WNR2200_GPIO_LED_LAN3_AMBER 11
36 #define WNR2200_GPIO_LED_WAN_AMBER 12
37 #define WNR2200_GPIO_LED_LAN1_GREEN 13 /* AR724X_..._ETH_SWITCH_LED0 */
38 #define WNR2200_GPIO_LED_LAN2_GREEN 14 /* AR724X_..._ETH_SWITCH_LED1 */
39 #define WNR2200_GPIO_LED_LAN3_GREEN 15 /* AR724X_..._ETH_SWITCH_LED2 */
40 #define WNR2200_GPIO_LED_LAN4_GREEN 16 /* AR724X_..._ETH_SWITCH_LED3 */
41 #define WNR2200_GPIO_LED_WAN_GREEN 17 /* AR724X_..._ETH_SWITCH_LED4 */
42  
43 /* WNR2200 - connected through AR9287 */
44 #define WNR2200_GPIO_WMAC_LED_WLAN_BLUE 0
45 #define WNR2200_GPIO_WMAC_LED_TEST_AMBER 1
46 #define WNR2200_GPIO_WMAC_LED_POWER_GREEN 2
47 #define WNR2200_GPIO_WMAC_BTN_RFKILL 3
48 #define WNR2200_GPIO_WMAC_USB_5V 4
49 #define WNR2200_GPIO_WMAC_BTN_WPS 5
50 #define WNR2200_GPIO_WMAC_BTN_RESET 6
51  
52 #define WNR2200_KEYS_POLL_INTERVAL 20 /* msecs */
53 #define WNR2200_KEYS_DEBOUNCE_INTERVAL (3 * WNR2200_KEYS_POLL_INTERVAL)
54  
55 #define WNR2200_MAC0_OFFSET 0
56 #define WNR2200_MAC1_OFFSET 6
57 #define WNR2200_PCIE_CALDATA_OFFSET 0x1000
58 #define WNR2200_WMAC_OFFSET 0x108c /* wireless MAC is inside ART */
59  
60 static struct gpio_led wnr2200_leds_gpio[] __initdata = {
61 {
62 .name = "netgear:amber:lan1",
63 .gpio = WNR2200_GPIO_LED_LAN1_AMBER,
64 .active_low = 1,
65 }, {
66 .name = "netgear:amber:lan2",
67 .gpio = WNR2200_GPIO_LED_LAN2_AMBER,
68 .active_low = 1,
69 }, {
70 .name = "netgear:amber:lan3",
71 .gpio = WNR2200_GPIO_LED_LAN3_AMBER,
72 .active_low = 1,
73 }, {
74 .name = "netgear:amber:lan4",
75 .gpio = WNR2200_GPIO_LED_LAN4_AMBER,
76 .active_low = 1,
77 }, {
78 .name = "netgear:amber:wan",
79 .gpio = WNR2200_GPIO_LED_WAN_AMBER,
80 .active_low = 1,
81 }, {
82 .name = "netgear:green:lan1",
83 .gpio = WNR2200_GPIO_LED_LAN1_GREEN,
84 .active_low = 1,
85 }, {
86 .name = "netgear:green:lan2",
87 .gpio = WNR2200_GPIO_LED_LAN2_GREEN,
88 .active_low = 1,
89 }, {
90 .name = "netgear:green:lan3",
91 .gpio = WNR2200_GPIO_LED_LAN3_GREEN,
92 .active_low = 1,
93 }, {
94 .name = "netgear:green:lan4",
95 .gpio = WNR2200_GPIO_LED_LAN4_GREEN,
96 .active_low = 1,
97 }, {
98 .name = "netgear:green:usb",
99 .gpio = WNR2200_GPIO_LED_USB_GREEN,
100 .active_low = 1,
101 }, {
102 .name = "netgear:green:wan",
103 .gpio = WNR2200_GPIO_LED_WAN_GREEN,
104 .active_low = 1,
105 }, {
106 .name = "netgear:green:wps",
107 .gpio = WNR2200_GPIO_LED_WPS_GREEN,
108 .active_low = 1,
109 }
110 };
111  
112 static struct gpio_led wnr2200_wmac_leds_gpio[] = {
113 {
114 .name = "netgear:amber:test",
115 .gpio = WNR2200_GPIO_WMAC_LED_TEST_AMBER,
116 .active_low = 1,
117 }, {
118 .name = "netgear:green:power",
119 .gpio = WNR2200_GPIO_WMAC_LED_POWER_GREEN,
120 .active_low = 1,
121 .default_state = LEDS_GPIO_DEFSTATE_ON,
122 }, {
123 .name = "netgear:blue:wlan",
124 .gpio = WNR2200_GPIO_WMAC_LED_WLAN_BLUE,
125 .active_low = 1,
126 }
127 };
128  
129 static struct gpio_keys_button wnr2200_wmac_keys_gpio[] = {
130 {
131 .desc = "reset",
132 .type = EV_KEY,
133 .code = KEY_RESTART,
134 .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
135 .gpio = WNR2200_GPIO_WMAC_BTN_RESET,
136 .active_low = 1,
137 }, {
138 .desc = "rfkill",
139 .type = EV_KEY,
140 .code = KEY_RFKILL,
141 .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
142 .gpio = WNR2200_GPIO_WMAC_BTN_RFKILL,
143 .active_low = 1,
144 }, {
145 .desc = "wps",
146 .type = EV_KEY,
147 .code = KEY_WPS_BUTTON,
148 .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
149 .gpio = WNR2200_GPIO_WMAC_BTN_WPS,
150 .active_low = 1,
151 }
152 };
153  
154 /*
155 * For WNR2200 ART flash area used for WLAN MAC is usually empty (0xff)
156 * so ath9k driver uses random MAC instead each time module is loaded.
157 * OpenWrt's original fix was to copy eth1 address to WLAN interface.
158 * New solution does not duplicate hardware addresses and is taken from
159 * WNR2000v3 code. It assigns permanent WLAN MAC equal to ethN's MAC
160 * plus 1, so network interfaces get sequential addresses.
161 * If ART wireless MAC address field has been filled by user, use it.
162 */
163 static void __init wnr2200_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset,
164 int mac1_art_offset, int wmac_art_offset)
165 {
166 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
167 u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset);
168 u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset);
169 u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset);
170  
171 /* only 0xff if all bits are set - address is invalid, empty area */
172 if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] &
173 wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) {
174 memcpy(wmac_gen_addr, eth0_mac_addr, 5);
175 wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1;
176  
177 /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */
178 if (!wmac_gen_addr[5])
179 wmac_gen_addr[5] = 1;
180 } else
181 memcpy(wmac_gen_addr, wlan_mac_addr, 6);
182 }
183  
184 static void __init wnr2200_setup(void)
185 {
186 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
187 u8 wlan_mac_addr[6];
188  
189 /*
190 * Disable JTAG to use all AR724X GPIO LEDs. Disable CLKs.
191 * Allow OS to control all link LEDs.
192 */
193 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE |
194 AR724X_GPIO_FUNC_UART_EN,
195 AR724X_GPIO_FUNC_CLK_OBS1_EN |
196 AR724X_GPIO_FUNC_CLK_OBS2_EN |
197 AR724X_GPIO_FUNC_CLK_OBS3_EN |
198 AR724X_GPIO_FUNC_CLK_OBS4_EN |
199 AR724X_GPIO_FUNC_CLK_OBS5_EN |
200 AR724X_GPIO_FUNC_GE0_MII_CLK_EN |
201 AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
202 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
203 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
204 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
205 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
206  
207 ath79_register_mdio(0, 0x0);
208  
209 ath79_init_mac(ath79_eth0_data.mac_addr, art + WNR2200_MAC0_OFFSET, 0);
210 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
211 ath79_eth0_data.speed = SPEED_100;
212 ath79_eth0_data.duplex = DUPLEX_FULL;
213  
214 ath79_init_mac(ath79_eth1_data.mac_addr, art + WNR2200_MAC1_OFFSET, 0);
215 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
216 ath79_eth1_data.phy_mask = 0x10;
217  
218 ath79_register_eth(0);
219 ath79_register_eth(1);
220  
221 ath79_register_m25p80(NULL);
222  
223 wnr2200_get_wmac(wlan_mac_addr, WNR2200_MAC0_OFFSET,
224 WNR2200_MAC1_OFFSET, WNR2200_WMAC_OFFSET);
225 ap91_pci_init(art + WNR2200_PCIE_CALDATA_OFFSET, wlan_mac_addr);
226  
227 ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2200_leds_gpio),
228 wnr2200_leds_gpio);
229  
230 ap9x_pci_setup_wmac_leds(0, wnr2200_wmac_leds_gpio,
231 ARRAY_SIZE(wnr2200_wmac_leds_gpio));
232  
233 /* All 3 buttons are connected to wireless chip */
234 ap9x_pci_setup_wmac_btns(0, wnr2200_wmac_keys_gpio,
235 ARRAY_SIZE(wnr2200_wmac_keys_gpio),
236 WNR2200_KEYS_POLL_INTERVAL);
237  
238 /* enable power for the USB port */
239 ap9x_pci_setup_wmac_gpio(0, BIT(WNR2200_GPIO_WMAC_USB_5V),
240 BIT(WNR2200_GPIO_WMAC_USB_5V));
241  
242 ath79_register_usb();
243 }
244  
245 MIPS_MACHINE(ATH79_MACH_WNR2200, "WNR2200", "NETGEAR WNR2200", wnr2200_setup);