[PATCH v2] ramips: add support for Xiaomi Mi Router 4C
Moritz Warning
moritzwarning at web.de
Tue Aug 18 17:05:53 EDT 2020
Hi,
are 16MB RAM correct? This seems to be very low.
On 8/18/20 10:38 PM, ataberkozen123 at gmail.com wrote:
> From: Ataberk Özen <ataberkozen123 at gmail.com>
>
> This commit adds support for Xiaomi's Mi Router 4C device.
>
> Specifications:
>
> - CPU: MediaTek MT7628AN (580MHz)
> - Flash: 16MB
> - RAM: 16MB DDR2
> - 2.4 GHz: IEEE 802.11b/g/n with Integrated LNA and PA
> - Antennas: 4x external single band antennas
> - WAN: 1x 10/100M
> - LAN: 2x 10/100M
> - LEDs: 2x yellow/blue. Programmable (labelled as power on case) - Non-programmable (shows WAN activity)
> - Button: Reset
>
> How to install:
>
> 1- Use OpenWRTInvasion to gain telnet and ftp access.
> 2- Push openwrt firmware to /tmp/ using ftp.
> 3- Connect to router using telnet. (IP: 192.168.31.1 - Username: root - No password)
> 4- Use command "mtd -r write /tmp/firmware.bin OS1" to flash into the router..
> 5- It takes around 2 minutes. After that router will restart itself to OpenWrt.
>
> Signed-off-by: Ataberk Özen <ataberkozen123 at gmail.com>
> ---
> package/boot/uboot-envtools/files/ramips | 1 +
> .../ramips/dts/mt7628an_xiaomi_mi-router-4c.dts | 134 +++++++++++++++++++++
> target/linux/ramips/image/mt76x8.mk | 8 ++
> .../mt76x8/base-files/etc/board.d/02_network | 5 +
> .../ramips/mt76x8/base-files/etc/init.d/bootcount | 1 +
> 5 files changed, 149 insertions(+)
> create mode 100644 target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
>
> diff --git a/package/boot/uboot-envtools/files/ramips b/package/boot/uboot-envtools/files/ramips
> index 80a91f0..18edc5a 100644
> --- a/package/boot/uboot-envtools/files/ramips
> +++ b/package/boot/uboot-envtools/files/ramips
> @@ -29,6 +29,7 @@ buffalo,wsr-1166dhp|\
> buffalo,wsr-600dhp|\
> mediatek,linkit-smart-7688|\
> samknows,whitebox-v8|\
> +xiaomi,mi-router-4c|\
> xiaomi,miwifi-nano|\
> zbtlink,zbt-wg2626)
> ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x10000"
> diff --git a/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts b/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
> new file mode 100644
> index 0000000..0ff88fe
> --- /dev/null
> +++ b/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
> @@ -0,0 +1,134 @@
> +//SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/dts-v1/;
> +
> +#include "mt7628an.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + compatible = "xiaomi,mi-router-4c", "mediatek,mt7628an-soc";
> + model = "Xiaomi Mi Router 4C";
> +
> + aliases {
> + led-boot = &led_power_yellow;
> + led-failsafe = &led_power_yellow;
> + led-running = &led_power_blue;
> + led-upgrade = &led_power_yellow;
> + label-mac-device = ðernet;
> + };
> +
> + chosen {
> + bootargs = "console=ttyS0,115200";
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led_power_blue: power_blue {
> + label = "mi-router-4c:blue:power";
> + gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
> + };
> +
> + led_power_yellow: power_yellow {
> + label = "mi-router-4c:yellow:power";
> + gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + keys {
> + compatible = "gpio-keys";
> +
> + reset {
> + label = "reset";
> + gpios = <&gpio 38 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_RESTART>;
> + };
> + };
> +};
> +
> +&state_default {
> + gpio {
> + groups = "gpio", "wdt", "wled_an";
> + function = "gpio";
> + };
> +};
> +
> +&ehci {
> + status = "disabled";
> +};
> +
> +&ohci {
> + status = "disabled";
> +};
> +
> +&esw {
> + mediatek,portmap = <0x3d>;
> + mediatek,portdisable = <0x29>;
> +};
> +
> +&wmac {
> + status = "okay";
> +};
> +
> +ðernet {
> + mtd-mac-address = <&factory 0x28>;
> +};
> +
> +&spi0 {
> + status = "okay";
> +
> + flash at 0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <40000000>;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition at 0 {
> + label = "bootloader";
> + reg = <0x0 0x20000>;
> + read-only;
> + };
> +
> + partition at 20000 {
> + label = "config";
> + reg = <0x20000 0x10000>;
> + read-only;
> + };
> +
> + factory: partition at 30000 {
> + label = "factory";
> + reg = <0x30000 0x10000>;
> + read-only;
> + };
> +
> + partition at 40000 {
> + label = "crash";
> + reg = <0x40000 0x10000>;
> + read-only;
> + };
> +
> + partition at 50000 {
> + label = "cfg_bak";
> + reg = <0x50000 0x10000>;
> + read-only;
> + };
> +
> + partition at 60000 {
> + label = "overlay";
> + reg = <0x60000 0x100000>;
> + read-only;
> + };
> +
> + partition at 160000 {
> + label = "firmware";
> + reg = <0x160000 0xea0000>;
> + compatible = "denx,uimage";
> + };
> + };
> + };
> +};
> diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
> index 908e2df..f35b332 100644
> --- a/target/linux/ramips/image/mt76x8.mk
> +++ b/target/linux/ramips/image/mt76x8.mk
> @@ -680,6 +680,14 @@ define Device/xiaomi_mir4a-100m
> endef
> TARGET_DEVICES += xiaomi_mir4a-100m
>
> +define Device/xiaomi_mi-router-4c
> + IMAGE_SIZE := 14976k
> + DEVICE_VENDOR := Xiaomi
> + DEVICE_MODEL := Mi Router 4C
> + DEVICE_PACKAGES := uboot-envtools
> +endef
> +TARGET_DEVICES += xiaomi_mi-router-4c
> +
> define Device/xiaomi_miwifi-nano
> IMAGE_SIZE := 16064k
> DEVICE_VENDOR := Xiaomi
> diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
> index 5a5ba58..901f520 100755
> --- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
> +++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
> @@ -126,6 +126,10 @@ ramips_setup_interfaces()
> ucidef_add_switch "switch0" \
> "4:lan:1" "2:lan:2" "0:wan" "6 at eth0"
> ;;
> + xiaomi,mi-router-4c)
> + ucidef_add_switch "switch0" \
> + "4:lan" "2:lan" "1:wan" "6 at eth0"
> + ;;
> xiaomi,miwifi-nano)
> ucidef_add_switch "switch0" \
> "0:lan:2" "2:lan:1" "4:wan" "6 at eth0"
> @@ -222,6 +226,7 @@ ramips_setup_macs()
> label_mac=$(mtd_get_mac_binary factory 0x4)
> wan_mac=$(mtd_get_mac_binary factory 0x28)
> ;;
> + xiaomi,mi-router-4c|\
> xiaomi,mir4a-100m)
> wan_mac=$(mtd_get_mac_binary factory 0x4)
> ;;
> diff --git a/target/linux/ramips/mt76x8/base-files/etc/init.d/bootcount b/target/linux/ramips/mt76x8/base-files/etc/init.d/bootcount
> index 3c21433..23f1e71 100755
> --- a/target/linux/ramips/mt76x8/base-files/etc/init.d/bootcount
> +++ b/target/linux/ramips/mt76x8/base-files/etc/init.d/bootcount
> @@ -8,6 +8,7 @@ boot() {
> [ -n "$(fw_printenv bootcount bootchanged 2>/dev/null)" ] &&\
> echo -e "bootcount\nbootchanged\n" | /usr/sbin/fw_setenv -s -
> ;;
> + xiaomi,mi-router-4c|\
> xiaomi,miwifi-nano)
> fw_setenv flag_boot_success 1
> ;;
>
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