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mediatek: Routerich AX3000: add OpenWrt U-Boot layout
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This commit adds OpenWrt U-Boot layout support for Routerich AX3000. The
aims:
1. Get open-source U-Boot;
2. Get maximum available free space in OpenWrt.

Install
-------
1. Copy OpenWrt ubootmod-bl31-uboot.fip, ubootmod-preloader.bin, to the
   /tmp folder of the router using scp.

2. Make mtd partitions backups:
   http://192.168.1.1/cgi-bin/luci/admin/system/flash -> Save mtdblock
   contents

3. Install kmod-mtd-rw:
```
opkg update && opkg install kmod-mtd-rw
```

4. Write FIP and preloader:
```
insmod mtd-rw i_want_a_brick=1
mtd unlock BL2
mtd erase BL2
mtd write /tmp/ubootmod-preloader.bin BL2
mtd unlock FIP
mtd erase FIP
mtd write /tmp/ubootmod-bl31-uboot.fip FIP
```

5. Copy OpenWrt ubootmod-initramfs-recovery.itb to the tftp server root
   with IP 192.168.1.254.

6. Reboot router:
```
reboot
```
U-Boot will automatically download from the tftp server and boot OpenWrt
initramfs system.

7. Copy OpenWrt ubootmod-squashfs-sysupgrade.itb to the /tmp dir of the
   router using scp.

8. Run sysupgrade:
```
sysupgrade -n /tmp/squashfs-sysupgrade.itb
```

Recovery
--------
1. Place OpenWrt initramfs-recovery.itb image (with original name) on the
   tftp server (IP: 192.168.1.254).
2. Press "reset" button and power on the router. After ~10 sec release the
   button.
3. Use OpenWrt initramfs system for recovery.

BL2 and FIP recovery
--------------------
Use mtk_uartboot and UART connection if BL2 or FIP in UBI is destroyed:
Link: https://github.com/981213/mtk_uartboot

Return to stock:
----------------
1. Copy partition backups (BL2.bin and FIP.bin) to the /tmp dir of the
   router using scp.

2. Install kmod-mtd-rw:
```
opkg update && opkg install kmod-mtd-rw
```

3. Restore stock U-Boot and reboot:
```
insmod mtd-rw i_want_a_brick=1
mtd unlock BL2
mtd erase BL2
mtd write /tmp/BL2.bin BL2
mtd unlock FIP
mtd erase FIP
mtd write /tmp/FIP.bin FIP
reboot
```

4. Open U-Boot web recovery, upload stock firmware image and start
   upgrade.
Link: http://192.168.1.1

Signed-off-by: Mikhail Zhilkin <[email protected]>
Link: openwrt/openwrt#16791
Signed-off-by: Hauke Mehrtens <[email protected]>
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csharper2005 authored and hauke committed Nov 24, 2024
1 parent c058152 commit d413163
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1 change: 1 addition & 0 deletions package/boot/uboot-envtools/files/mediatek_filogic
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ jcg,q30-pro|\
netcore,n60|\
nokia,ea0326gmp|\
qihoo,360t7|\
routerich,ax3000-ubootmod|\
tplink,tl-xdr4288|\
tplink,tl-xdr6086|\
tplink,tl-xdr6088|\
Expand Down
302 changes: 302 additions & 0 deletions target/linux/mediatek/dts/mt7981b-routerich-ax3000-common.dtsi
Original file line number Diff line number Diff line change
@@ -0,0 +1,302 @@
// SPDX-License-Identifier: GPL-2.0-only OR MIT

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

#include "mt7981.dtsi"

/ {
aliases {
label-mac-device = &wan;

led-boot = &led_power_blue;
led-failsafe = &led_power_blue;
led-running = &led_power_blue;
led-upgrade = &led_power_blue;

serial0 = &uart0;
};

chosen: chosen {
stdout-path = "serial0:115200n8";
};

gpio-keys {
compatible = "gpio-keys";

button-0 {
label = "mesh";
linux,input-type = <EV_SW>;
linux,code = <BTN_0>;
gpios = <&pio 0 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};

button-1 {
label = "reset";
gpios = <&pio 1 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
debounce-interval = <60>;
};
};

leds {
compatible = "gpio-leds";

led-0 {
color = <LED_COLOR_ID_RED>;
function = LED_FUNCTION_WLAN;
function-enumerator = <50>;
gpios = <&pio 5 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy1tpt";
};

led-1 {
color = <LED_COLOR_ID_RED>;
function = LED_FUNCTION_WAN;
gpios = <&pio 6 GPIO_ACTIVE_HIGH>;
};

led_power_blue: led-2 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_POWER;
gpios = <&pio 7 GPIO_ACTIVE_LOW>;
};

led-3 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_LAN;
function-enumerator = <1>;
gpios = <&pio 9 GPIO_ACTIVE_LOW>;
};

led-4 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_LAN;
function-enumerator = <2>;
gpios = <&pio 10 GPIO_ACTIVE_LOW>;
};

led-5 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_LAN;
function-enumerator = <3>;
gpios = <&pio 11 GPIO_ACTIVE_LOW>;
};

led-6 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_WAN;
gpios = <&pio 12 GPIO_ACTIVE_LOW>;
};

led-7 {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_WLAN;
function-enumerator = <24>;
gpios = <&pio 34 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy0tpt";
};

led-8 {
color = <LED_COLOR_ID_BLUE>;
/* LED_FUNCTION_MESH isn't implemented yet */
function = "mesh";
gpios = <&pio 35 GPIO_ACTIVE_LOW>;
};
};

memory {
reg = <0 0x40000000 0 0x10000000>;
};
};

&eth {
status = "okay";

gmac0: mac@0 {
compatible = "mediatek,eth-mac";
reg = <0>;
phy-mode = "2500base-x";

nvmem-cell-names = "mac-address";
nvmem-cells = <&macaddr_factory_4 (-1)>;

fixed-link {
speed = <2500>;
full-duplex;
pause;
};
};
};

&mdio_bus {
switch: switch@1f {
compatible = "mediatek,mt7531";
reg = <0x1f>;
reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&pio>;
interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
};
};

&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_flash_pins>;
status = "okay";

/* ESMT F50L1G41LB (128M) */
spi: spi_nand@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "spi-nand";
reg = <0>;

spi-max-frequency = <52000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;

spi-cal-enable;
spi-cal-mode = "read-data";
spi-cal-datalen = <7>;
spi-cal-data = /bits/ 8 <0x53 0x50 0x49 0x4e 0x41 0x4e 0x44>;
spi-cal-addrlen = <5>;
spi-cal-addr = /bits/ 32 <0x0 0x0 0x0 0x0 0x0>;

partitions: partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;

partition@0_all {
label = "spi0.0";
reg = <0x0 0x8000000>;
read-only;
};

partition@0 {
label = "BL2";
reg = <0x0 0x100000>;
read-only;
};

partition@180000 {
label = "Factory";
reg = <0x180000 0x200000>;
read-only;

nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;

eeprom_factory_0: eeprom@0 {
reg = <0x0 0x1000>;
};

macaddr_factory_4: macaddr@4 {
compatible = "mac-base";
reg = <0x4 0x6>;
#nvmem-cell-cells = <1>;
};
};
};

partition@380000 {
label = "FIP";
reg = <0x380000 0x200000>;
read-only;
};
};
};
};

&switch {
ports {
#address-cells = <1>;
#size-cells = <0>;

port@0 {
reg = <0>;
label = "lan1";
};

port@2 {
reg = <2>;
label = "lan2";
};

port@3 {
reg = <3>;
label = "lan3";
};

wan: port@4 {
reg = <4>;
label = "wan";

nvmem-cell-names = "mac-address";
nvmem-cells = <&macaddr_factory_4 (-2)>;
};

port@6 {
reg = <6>;
ethernet = <&gmac0>;
phy-mode = "2500base-x";

fixed-link {
speed = <2500>;
full-duplex;
pause;
};
};
};
};

&pio {
spi0_flash_pins: spi0-pins {
mux {
function = "spi";
groups = "spi0", "spi0_wp_hold";
};

conf-pu {
pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
drive-strength = <MTK_DRIVE_8mA>;
bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
};

conf-pd {
pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
drive-strength = <MTK_DRIVE_8mA>;
bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
};
};
};

&uart0 {
status = "okay";
};

&usb_phy {
status = "okay";
};

&watchdog {
status = "okay";
};

&wifi {
status = "okay";
nvmem-cell-names = "eeprom";
nvmem-cells = <&eeprom_factory_0>;
};

&xhci {
status = "okay";
mediatek,u3p-dis-msk = <0x1>;
};
52 changes: 52 additions & 0 deletions target/linux/mediatek/dts/mt7981b-routerich-ax3000-ubootmod.dts
Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
// SPDX-License-Identifier: GPL-2.0-only OR MIT

#include "mt7981b-routerich-ax3000-common.dtsi"

/ {
model = "Routerich AX3000 (OpenWrt U-Boot layout)";
compatible = "routerich,ax3000-ubootmod", "mediatek,mt7981";
};

&chosen {
rootdisk = <&ubi_fit_volume>;
};

&partitions {
partition@100000 {
label = "u-boot-env-orig";
reg = <0x100000 0x80000>;
read-only;
};

partition@580000 {
label = "ubi";
reg = <0x580000 0x7a80000>;
compatible = "linux,ubi";

volumes {
ubi_fit_volume: ubi-volume-fit {
volname = "fit";
};

ubi_ubootenv: ubi-volume-ubootenv {
volname = "ubootenv";
};

ubi_ubootenv2: ubi-volume-ubootenv2 {
volname = "ubootenv2";
};
};
};
};

&ubi_ubootenv {
nvmem-layout {
compatible = "u-boot,env-redundant-bool";
};
};

&ubi_ubootenv2 {
nvmem-layout {
compatible = "u-boot,env-redundant-bool";
};
};
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