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ramips: Add support for Xiaomi Mi Router(Black,R2100) 

The Xiaomi Mi Router AC2100 is a *black* cylindrical router that shares many
characteristics (apart from its looks and the GPIO ports) with the 6-antenna
*white* "Xiaomi Redmi Router AC2100"

See the visual comparison of the two routers here:
https://github.com/emirefek/openwrt-R2100/raw/imgcdn/rm2100-r2100.jpg

Specification of R2100:
- CPU: MediaTek MT7621A
- RAM: 128 MB DDR3
- FLASH: 128 MB ESMT NAND
- WIFI: 2x2 802.11bgn (MT7603)
- WIFI: 4x4 802.11ac (MT7615)
- ETH: 3xLAN+1xWAN 1000base-T
- LED: Power, WAN in Yellow and Blue
- UART: On board (Don't know where is should be confirmed by anybody else)
- Modified u-boot

Hacking of official firmware process is same at both RM2100 and R2100.
Thanks to @namidairo

Here is the detailed guide Hack: https://github.com/impulse/ac2100-openwrt-guide
Guide is written for MacOS but it will work at linux.
needed packages: python3(with scapy), netcat, http server, telnet client

1. Run PPPoE&exploit to get nc and wget busybox, get telnet and wget firmware
2. mtd write openwrt-ramips-mt7621-xiaomi_mi-router-ac2100-kernel1.bin kernel1
3. nvram set uart_en=1
4. nvram set bootdelay=5
5. nvram set flag_try_sys1_failed=1
6. nvram commit
7. mtd -r write openwrt-ramips-mt7621-xiaomi_mi-router-ac2100-rootfs0.bin rootfs0

other than these I specified in here. Everything is same with:
f3792690c4
Thanks for all community and especially for this device:
@Ilyas @scp07 @namidairo @Percy @thorsten97 @impulse (names@forum.openwrt.com)

MAC Locations:
WAN *:b5 = factory 0xe006
LAN *:b6 = factory 0xe000
WIFI 5ghz *:b8 = factory 0x8004
WIFI 2.4ghz *:b7 = factory 0x0004

Signed-off-by: Emir Efe Kucuk <emirefek@gmail.com>
[refactored common image bits into Device/xiaomi-ac2100, fixed From:]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Emir Efe Kucuk 2020-05-30 12:18:50 +03:00 committed by Petr Štetiar
parent 78fffc2dfd
commit 53a1fede1f
8 changed files with 216 additions and 155 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
package/boot/uboot-envtools/files/ramips
View File

@ -34,6 +34,7 @@ zbtlink,zbt-wg2626)
ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x10000"
;;
linksys,ea7500-v2|\
xiaomi,mi-router-ac2100|\
xiaomi,mir3p|\
xiaomi,mir3g|\
xiaomi,redmi-router-ac2100)

41
target/linux/ramips/dts/mt7621_xiaomi_mi-router-ac2100.dts Normal file
View File

@ -0,0 +1,41 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621_xiaomi_router-ac2100.dtsi"
/ {
compatible = "xiaomi,mi-router-ac2100", "mediatek,mt7621-soc";
model = "Xiaomi Mi Router AC2100";
aliases {
led-boot = &led_status_yellow;
led-failsafe = &led_status_yellow;
led-running = &led_status_blue;
led-upgrade = &led_status_blue;
label-mac-device = &gmac0;
};
leds {
compatible = "gpio-leds";
wan_yellow {
label = "mi-router-ac2100:yellow:wan";
gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
};
wan_blue {
label = "mi-router-ac2100:blue:wan";
gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
};
led_status_yellow: status_yellow {
label = "mi-router-ac2100:yellow:status";
gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
};
led_status_blue: status_blue {
label = "mi-router-ac2100:blue:status";
gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
};
};
};

144
target/linux/ramips/dts/mt7621_xiaomi_redmi-router-ac2100.dts
View File

@ -1,10 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "mt7621_xiaomi_router-ac2100.dtsi"
/ {
compatible = "xiaomi,redmi-router-ac2100", "mediatek,mt7621-soc";
@ -18,10 +15,6 @@
label-mac-device = &gmac0;
};
chosen {
bootargs = "console=ttyS0,115200n8";
};
leds {
compatible = "gpio-leds";
@ -45,139 +38,4 @@
gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
};
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x80000>;
read-only;
};
partition@80000 {
label = "Config";
reg = <0x80000 0x40000>;
};
partition@c0000 {
label = "Bdata";
reg = <0xc0000 0x40000>;
read-only;
};
factory: partition@100000 {
label = "factory";
reg = <0x100000 0x40000>;
read-only;
};
partition@140000 {
label = "crash";
reg = <0x140000 0x40000>;
};
partition@180000 {
label = "crash_syslog";
reg = <0x180000 0x40000>;
};
partition@1c0000 {
label = "reserved0";
reg = <0x1c0000 0x40000>;
read-only;
};
/* We keep stock xiaomi firmware (kernel0) here */
partition@200000 {
label = "kernel_stock";
reg = <0x200000 0x400000>;
};
partition@600000 {
label = "kernel";
reg = <0x600000 0x400000>;
};
partition@a00000 {
label = "ubi";
reg = <0xa00000 0x7580000>;
};
};
};
&pcie {
status = "okay";
};
&pcie0 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x8000>;
ieee80211-freq-limit = <5000000 6000000>;
};
};
&pcie1 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x0000>;
ieee80211-freq-limit = <2400000 2500000>;
};
};
&gmac0 {
mtd-mac-address = <&factory 0xe000>;
};
&switch0 {
ports {
port@0 {
status = "okay";
label = "wan";
mtd-mac-address = <&factory 0xe006>;
};
port@2 {
status = "okay";
label = "lan1";
};
port@3 {
status = "okay";
label = "lan2";
};
port@4 {
status = "okay";
label = "lan3";
};
};
};
&state_default {
gpio {
groups = "uart2", "uart3", "wdt";
function = "gpio";
};
};

146
target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi Normal file
View File

@ -0,0 +1,146 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
chosen {
bootargs = "console=ttyS0,115200n8";
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x80000>;
read-only;
};
partition@80000 {
label = "Config";
reg = <0x80000 0x40000>;
};
partition@c0000 {
label = "Bdata";
reg = <0xc0000 0x40000>;
read-only;
};
factory: partition@100000 {
label = "factory";
reg = <0x100000 0x40000>;
read-only;
};
partition@140000 {
label = "crash";
reg = <0x140000 0x40000>;
};
partition@180000 {
label = "crash_syslog";
reg = <0x180000 0x40000>;
};
partition@1c0000 {
label = "reserved0";
reg = <0x1c0000 0x40000>;
read-only;
};
/* We keep stock xiaomi firmware (kernel0) here */
partition@200000 {
label = "kernel_stock";
reg = <0x200000 0x400000>;
};
partition@600000 {
label = "kernel";
reg = <0x600000 0x400000>;
};
partition@a00000 {
label = "ubi";
reg = <0xa00000 0x7580000>;
};
};
};
&pcie {
status = "okay";
};
&pcie0 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x8000>;
ieee80211-freq-limit = <5000000 6000000>;
};
};
&pcie1 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x0000>;
ieee80211-freq-limit = <2400000 2500000>;
};
};
&gmac0 {
mtd-mac-address = <&factory 0xe000>;
};
&switch0 {
ports {
port@0 {
status = "okay";
label = "wan";
mtd-mac-address = <&factory 0xe006>;
};
port@2 {
status = "okay";
label = "lan1";
};
port@3 {
status = "okay";
label = "lan2";
};
port@4 {
status = "okay";
label = "lan3";
};
};
};
&state_default {
gpio {
groups = "uart2", "uart3", "wdt";
function = "gpio";
};
};

34
target/linux/ramips/image/mt7621.mk
View File

@ -957,6 +957,27 @@ define Device/wevo_w2914ns-v2
endef
TARGET_DEVICES += wevo_w2914ns-v2
define Device/xiaomi-ac2100
$(Device/uimage-lzma-loader)
BLOCKSIZE := 128k
PAGESIZE := 2048
KERNEL_SIZE := 4096k
IMAGE_SIZE := 120320k
UBINIZE_OPTS := -E 5
IMAGES += kernel1.bin rootfs0.bin
IMAGE/kernel1.bin := append-kernel
IMAGE/rootfs0.bin := append-ubi | check-size
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
DEVICE_VENDOR := Xiaomi
DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7615-firmware wpad-basic uboot-envtools
endef
define Device/xiaomi_mi-router-ac2100
$(Device/xiaomi-ac2100)
DEVICE_MODEL := Mi Router AC2100
endef
TARGET_DEVICES += xiaomi_mi-router-ac2100
define Device/xiaomi_mir3g
$(Device/uimage-lzma-loader)
BLOCKSIZE := 128k
@ -1009,19 +1030,8 @@ endef
TARGET_DEVICES += xiaomi_mir3p
define Device/xiaomi_redmi-router-ac2100
$(Device/uimage-lzma-loader)
BLOCKSIZE := 128k
PAGESIZE := 2048
KERNEL_SIZE := 4096k
IMAGE_SIZE := 124416k
UBINIZE_OPTS := -E 5
IMAGES += kernel1.bin rootfs0.bin
IMAGE/kernel1.bin := append-kernel
IMAGE/rootfs0.bin := append-ubi | check-size
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
DEVICE_VENDOR := Xiaomi
$(Device/xiaomi-ac2100)
DEVICE_MODEL := Redmi Router AC2100
DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7615-firmware wpad-basic uboot-envtools
endef
TARGET_DEVICES += xiaomi_redmi-router-ac2100

3
target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
View File

@ -82,6 +82,9 @@ tplink,re650-v1)
xzwifi,creativebox-v1)
ucidef_set_led_netdev "internet" "internet" "$boardname:blue:internet" "wan"
;;
xiaomi,mi-router-ac2100)
ucidef_set_led_netdev "wan-blue" "WAN (blue)" "$boardname:blue:wan" "wan"
;;
xiaomi,redmi-router-ac2100)
ucidef_set_led_netdev "wan" "wan" "$boardname:white:wan" "wan"
;;

1
target/linux/ramips/mt7621/base-files/etc/board.d/02_network
View File

@ -31,6 +31,7 @@ ramips_setup_interfaces()
;;
gehua,ghl-r-001|\
hiwifi,hc5962|\
xiaomi,mi-router-ac2100|\
xiaomi,mir3p|\
xiaomi,redmi-router-ac2100)
ucidef_set_interfaces_lan_wan "lan1 lan2 lan3" "wan"

1
target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
View File

@ -55,6 +55,7 @@ platform_do_upgrade() {
netgear,wac104|\
netgear,wac124|\
netis,wf2881|\
xiaomi,mi-router-ac2100|\
xiaomi,mir3g|\
xiaomi,mir3p|\
xiaomi,redmi-router-ac2100)