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修訂5ef0e58d80d1d78bcac036a7ca911b881ca771bc (tree)
時間2023-01-30 00:20:15
作者Dmitry Sokolov <e323w@prot...>
CommiterTianling Shen

Log Message

ramips: mt7621: add support for Xiaomi Mi Router 4A Gigabit v2

Device is the same as Xiaomi Mi Router 4A Gigabit, except of:
- 5G WiFi is MT7663
- addresses of leds, wifi and eth ports are slightly changed

Specs:

SoC: MT7621
CPU: 2 x 880 MHz
ROM: 16 MB
RAM: 128 MB
WLAN: MT7603, MT7663

MAC addresses:

WAN **** factory 0xe006 (label)
LAN *:f7 factory 0xe000
2.4 GHz *:f8 factory 0x0000+0x4 (mtd-eeprom+0x4)
5 GHz *:f9 factory 0x8000+0x4 (mtd-eeprom+0x4)

Installation:

Factory firmware is based on a custom OpenWrt 17.x.
Installation is the same as for Xiaomi Mi Router 4A Gigabit.

Probably the easiest way to install is to use the script from
this repository: https://github.com/acecilia/OpenWRTInvasion/pull/155

In a more advanced case, you can do everything yourself:
- gain access to the device through one of the exploits described

in the link above

- upload sysupgrade image to /tmp
- overwrite stock firmware:

# mtd -e OS1 -r write /tmp/sysupgrade.bin OS1

Recovery:

Recovery procedure is the same as for Xiaomi Mi Router 4A Gigabit.
Possible options can be found here:
https://openwrt.org/inbox/toh/xiaomi/xiaomi_mi_router_4a_gigabit_edition

One of the ways is to use another router with OpenWrt:
- connect both routers by their LAN ports
- download stock firmware from [1]
- place it inside /tmp/test.bin on the main router
- configure PXE/TFTP on the main router
- power off 4Av2, hold Reset button, power on
- as soon as image download via TFTP starts, Reset can be released
- blinking blue wan LED will indicate the end of the flashing process,

now router can be rebooted

[1] http://cdn.cnbj1.fds.api.mi-img.com/xiaoqiang/rom/r4av2/miwifi_r4av2_firmware_release_2.30.28.bin

Signed-off-by: Dmitry Sokolov <e323w@proton.me>
(cherry picked from commit 39e4f03fd335d5b5d1259d74fc3f00ad09e7796c)
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

Change Summary

差異

--- a/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-3g-v2.dtsi
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-3g-v2.dtsi
@@ -1,23 +1,12 @@
11 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
22
3-#include "mt7621.dtsi"
4-
5-#include <dt-bindings/gpio/gpio.h>
6-#include <dt-bindings/input/input.h>
3+#include "mt7621_xiaomi_mi-router-4a-common.dtsi"
74
85 / {
96 aliases {
10- led-boot = &led_status_yellow;
11- led-failsafe = &led_status_yellow;
12- led-running = &led_status_blue;
13- led-upgrade = &led_status_yellow;
147 label-mac-device = &wan;
158 };
169
17- chosen {
18- bootargs = "console=ttyS0,115200n8";
19- };
20-
2110 leds {
2211 compatible = "gpio-leds";
2312
@@ -31,107 +20,16 @@
3120 gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
3221 };
3322 };
34-
35- keys {
36- compatible = "gpio-keys";
37-
38- reset {
39- label = "reset";
40- gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
41- linux,code = <KEY_RESTART>;
42- };
43- };
44-};
45-
46-&spi0 {
47- status = "okay";
48-
49- flash@0 {
50- compatible = "jedec,spi-nor";
51- reg = <0>;
52- spi-max-frequency = <50000000>;
53- m25p,fast-read;
54-
55- partitions {
56- compatible = "fixed-partitions";
57- #address-cells = <1>;
58- #size-cells = <1>;
59-
60- partition@0 {
61- label = "u-boot";
62- reg = <0x0 0x30000>;
63- read-only;
64- };
65-
66- partition@30000 {
67- label = "u-boot-env";
68- reg = <0x30000 0x10000>;
69- read-only;
70- };
71-
72- partition@40000 {
73- label = "Bdata";
74- reg = <0x40000 0x10000>;
75- read-only;
76- };
77-
78- factory: partition@50000 {
79- label = "factory";
80- reg = <0x50000 0x10000>;
81- read-only;
82- };
83-
84- partition@60000 {
85- label = "crash";
86- reg = <0x60000 0x10000>;
87- read-only;
88- };
89-
90- partition@70000 {
91- label = "cfg_bak";
92- reg = <0x70000 0x10000>;
93- read-only;
94- };
95-
96- partition@80000 {
97- label = "overlay";
98- reg = <0x80000 0x100000>;
99- read-only;
100- };
101-
102- firmware: partition@180000 {
103- compatible = "denx,uimage";
104- label = "firmware";
105- reg = <0x180000 0xe80000>;
106- };
107- };
108- };
10923 };
11024
111-&pcie {
112- status = "okay";
25+&wifi0 {
26+ mediatek,mtd-eeprom = <&factory 0x8000>;
27+ ieee80211-freq-limit = <5000000 6000000>;
11328 };
11429
115-&pcie0 {
116- wifi@0,0 {
117- compatible = "pci14c3,7662";
118- reg = <0x0000 0 0 0 0>;
119- mediatek,mtd-eeprom = <&factory 0x8000>;
120- ieee80211-freq-limit = <5000000 6000000>;
121- };
122-};
123-
124-&pcie1 {
125- wifi@0,0 {
126- compatible = "pci14c3,7603";
127- reg = <0x0000 0 0 0 0>;
128- mediatek,mtd-eeprom = <&factory 0x0000>;
129- ieee80211-freq-limit = <2400000 2500000>;
130- };
131-};
132-
133-&gmac0 {
134- mtd-mac-address = <&factory 0xe000>;
30+&wifi1 {
31+ mediatek,mtd-eeprom = <&factory 0x0000>;
32+ ieee80211-freq-limit = <2400000 2500000>;
13533 };
13634
13735 &switch0 {
@@ -153,10 +51,3 @@
15351 };
15452 };
15553 };
156-
157-&state_default {
158- gpio {
159- groups = "jtag", "uart2", "uart3", "wdt";
160- function = "gpio";
161- };
162-};
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-common.dtsi
@@ -0,0 +1,123 @@
1+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2+
3+#include "mt7621.dtsi"
4+
5+#include <dt-bindings/gpio/gpio.h>
6+#include <dt-bindings/input/input.h>
7+
8+/ {
9+ aliases {
10+ led-boot = &led_status_yellow;
11+ led-failsafe = &led_status_yellow;
12+ led-running = &led_status_blue;
13+ led-upgrade = &led_status_yellow;
14+ };
15+
16+ chosen {
17+ bootargs = "console=ttyS0,115200n8";
18+ };
19+
20+ keys {
21+ compatible = "gpio-keys";
22+
23+ reset {
24+ label = "reset";
25+ gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
26+ linux,code = <KEY_RESTART>;
27+ };
28+ };
29+};
30+
31+&spi0 {
32+ status = "okay";
33+
34+ flash@0 {
35+ compatible = "jedec,spi-nor";
36+ reg = <0>;
37+ spi-max-frequency = <50000000>;
38+ m25p,fast-read;
39+
40+ partitions: partitions {
41+ compatible = "fixed-partitions";
42+ #address-cells = <1>;
43+ #size-cells = <1>;
44+
45+ partition@0 {
46+ label = "u-boot";
47+ reg = <0x0 0x30000>;
48+ read-only;
49+ };
50+
51+ partition@30000 {
52+ label = "u-boot-env";
53+ reg = <0x30000 0x10000>;
54+ read-only;
55+ };
56+
57+ partition@40000 {
58+ label = "Bdata";
59+ reg = <0x40000 0x10000>;
60+ read-only;
61+ };
62+
63+ factory: partition@50000 {
64+ label = "factory";
65+ reg = <0x50000 0x10000>;
66+ read-only;
67+ };
68+
69+ partition@60000 {
70+ label = "crash";
71+ reg = <0x60000 0x10000>;
72+ read-only;
73+ };
74+
75+ partition@70000 {
76+ label = "cfg_bak";
77+ reg = <0x70000 0x10000>;
78+ read-only;
79+ };
80+
81+ partition@80000 {
82+ label = "overlay";
83+ reg = <0x80000 0x100000>;
84+ read-only;
85+ };
86+
87+ firmware: partition@180000 {
88+ compatible = "denx,uimage";
89+ label = "firmware";
90+ reg = <0x180000 0xe80000>;
91+ };
92+ };
93+ };
94+};
95+
96+&pcie {
97+ status = "okay";
98+};
99+
100+&pcie0 {
101+ wifi0: wifi@0,0 {
102+ compatible = "mediatek,mt76";
103+ reg = <0x0000 0 0 0 0>;
104+ };
105+};
106+
107+&pcie1 {
108+ wifi1: wifi@0,0 {
109+ compatible = "mediatek,mt76";
110+ reg = <0x0000 0 0 0 0>;
111+ };
112+};
113+
114+&gmac0 {
115+ mtd-mac-address = <&factory 0xe000>;
116+};
117+
118+&state_default {
119+ gpio {
120+ groups = "jtag", "uart2", "uart3", "wdt";
121+ function = "gpio";
122+ };
123+};
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-gigabit-v2.dts
@@ -0,0 +1,79 @@
1+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2+
3+#include "mt7621_xiaomi_mi-router-4a-common.dtsi"
4+
5+/ {
6+ compatible = "xiaomi,mi-router-4a-gigabit-v2", "mediatek,mt7621-soc";
7+ model = "Xiaomi Mi Router 4A Gigabit Edition v2";
8+
9+ aliases {
10+ label-mac-device = &wan;
11+ };
12+
13+ leds {
14+ compatible = "gpio-leds";
15+
16+ led_status_blue: status_blue {
17+ label = "blue:status";
18+ gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
19+ };
20+
21+ led_status_yellow: status_yellow {
22+ label = "yellow:status";
23+ gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
24+ };
25+
26+ wan_blue {
27+ label = "blue:wan";
28+ gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
29+ };
30+
31+ wan_yellow {
32+ label = "yellow:wan";
33+ gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
34+ };
35+ };
36+};
37+
38+&partitions {
39+ partition@180000 {
40+ // size changed against to the common dtsi
41+ reg = <0x180000 0xe70000>;
42+ };
43+
44+ partition@ff0000 {
45+ label = "Config";
46+ reg = <0xff0000 0x10000>;
47+ read-only;
48+ };
49+};
50+
51+&wifi0 {
52+ mediatek,mtd-eeprom = <&factory 0x0000>;
53+ ieee80211-freq-limit = <2400000 2500000>;
54+};
55+
56+&wifi1 {
57+ mediatek,mtd-eeprom = <&factory 0x8000>;
58+ ieee80211-freq-limit = <5000000 6000000>;
59+};
60+
61+&switch0 {
62+ ports {
63+ port@1 {
64+ status = "okay";
65+ label = "lan1";
66+ };
67+
68+ port@2 {
69+ status = "okay";
70+ label = "lan2";
71+ };
72+
73+ wan: port@3 {
74+ status = "okay";
75+ label = "wan";
76+ mtd-mac-address = <&factory 0xe006>;
77+ };
78+ };
79+};
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1564,6 +1564,17 @@ define Device/xiaomi_mi-router-4a-gigabit
15641564 endef
15651565 TARGET_DEVICES += xiaomi_mi-router-4a-gigabit
15661566
1567+define Device/xiaomi_mi-router-4a-gigabit-v2
1568+ $(Device/dsa-migration)
1569+ $(Device/uimage-lzma-loader)
1570+ IMAGE_SIZE := 14784k
1571+ DEVICE_VENDOR := Xiaomi
1572+ DEVICE_MODEL := Mi Router 4A
1573+ DEVICE_VARIANT := Gigabit Edition v2
1574+ DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7663-firmware-ap
1575+endef
1576+TARGET_DEVICES += xiaomi_mi-router-4a-gigabit-v2
1577+
15671578 define Device/xiaomi_mi-router-ac2100
15681579 $(Device/xiaomi_nand_separate)
15691580 DEVICE_MODEL := Mi Router AC2100
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
@@ -104,6 +104,9 @@ tplink,re650-v1)
104104 ucidef_set_led_netdev "eth_act" "LAN act" "green:eth_act" "lan" "tx rx"
105105 ucidef_set_led_netdev "eth_link" "LAN link" "green:eth_link" "lan" "link"
106106 ;;
107+xiaomi,mi-router-4a-gigabit-v2)
108+ ucidef_set_led_netdev "wan" "wan" "blue:wan" "wan" "link"
109+ ;;
107110 xiaomi,mi-router-ac2100)
108111 ucidef_set_led_netdev "wan-blue" "WAN (blue)" "blue:wan" "wan"
109112 ;;
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -49,7 +49,8 @@ ramips_setup_interfaces()
4949 xiaomi,mi-router-3g|\
5050 xiaomi,mi-router-3g-v2|\
5151 xiaomi,mi-router-4|\
52- xiaomi,mi-router-4a-gigabit)
52+ xiaomi,mi-router-4a-gigabit|\
53+ xiaomi,mi-router-4a-gigabit-v2)
5354 ucidef_set_interfaces_lan_wan "lan1 lan2" "wan"
5455 ;;
5556 gnubee,gb-pc1)
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