ramips: mt7621: add Teltonika RUTM50/RUTM51 support

Specifications:
- MediaTek MT7621AT SoC
- 256 MB RAM
- 16MB SPI NOR Flash
- 256MB NAND (split in half for firmware fallback)
- 5x 10/100/1000 Mbps Ethernet, with passive PoE support on LAN1
- WLAN      : MediaTek dual-band WiFi 5
  - 2.4 GHz : b/g/n, MIMO 2x2
  - 5 GHz   : n/ac, MIMO 2x2
- Quectel RG520N-NA 5G R16 modem (RUTM50) or RG500U-EB 5G (RUTM51)
- 2.0 USB Type-A HOST port
- 1x Digital input
- 1x Digital output
- 2x SIM slot (can be swapped via AT commands)

GPIO:
- 1 button (Reset)
- 13 LEDs (power, 4x WAN status, Wifi 2G, Wifi 5G, 3G, 4G, 5G, RSSI
1,2,3)
- 2 Modem control (power button, reset)
- 1 Digital input
- 1 Digital output

Installation
------------
Notice: update OEM firmware to 7.19 or later, earlier versions will
fail to flash openwrt factory firmware.

1. Check from which partition the device is currently running from

  $ cat /proc/bootconfig/chosen

  In case this output reads rutos-b, install a software update from
  Teltonika first. After upgrade completion, check this file now reads
  rutos-a before continuing.

2. Download the *-squashfs-factory.bin firmware image
3. Flash firmware image via WEB interface

To revert back to OEM firmware:
https://wiki.teltonika-networks.com/view/Bootloader_menu

Mobile connection:
- RG520N-NA:
    Use "ModemManager" to establish mobile data connection.
- RG500U-EB:
    echo -ne 'AT+QNETDEVCTL=1,3,1\r\n' > /dev/ttyUSB2
    Create DHCP interface with usb0 device.

Signed-off-by: Simonas Tamošaitis <simsasss@gmail.com>

diff --git a/target/linux/ramips/dts/mt7621_teltonika_rutm-common.dtsi b/target/linux/ramips/dts/mt7621_teltonika_rutm-common.dtsi
new file mode 100644 (file)
index 0000000..b99de1b
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_teltonika_rutm-common.dtsi
@@ -0,0 +1,176 @@
+// 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>
+#include <dt-bindings/leds/common.h>
+
+/ {
+       aliases {
+               led-boot = &led_power;
+               led-failsafe = &led_power;
+               led-running = &led_power;
+               led-upgrade = &led_power;
+       };
+
+       /* NAND flash is devided by half for failover.
+       Bootloader dynamically pass which partition to boot,
+       we can't change CONFIG_MIPS_CMDLINE_FROM_DTB, so
+       cmdline have to be hardcoded to second partition */
+
+       chosen {
+               bootargs = "console=ttyS0,115200n8 ubi.mtd=rutos-b";
+       };
+
+       keys {
+               compatible = "gpio-keys";
+
+               reset {
+                       label = "reset";
+                       linux,code = <KEY_RESTART>;
+                       gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <60>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led_power: power {
+                       function = LED_FUNCTION_POWER;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&spi0 {
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <10000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "u-boot";
+                               reg = <0x0 0x80000>;
+                               read-only;
+                       };
+
+                       partition@80000 {
+                               label = "u-boot-env";
+                               reg = <0x80000 0x10000>;
+                               read-only;
+                       };
+
+                       partition@90000 {
+                               label = "config";
+                               reg = <0x90000 0x10000>;
+                               read-only;
+
+                               nvmem-layout {
+                                       compatible = "fixed-layout";
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+
+                                       macaddr_config_0: macaddr@0 {
+                                               compatible = "mac-base";
+                                               reg = <0x0 0x6>;
+                                               #nvmem-cell-cells = <1>;
+                                       };
+                               };
+                       };
+
+                       partition@a0000 {
+                               label = "bootconfig-a";
+                               reg = <0xa0000 0x10000>;
+                       };
+
+                       partition@b0000 {
+                               label = "bootconfig-b";
+                               reg = <0xb0000 0x10000>;
+                       };
+
+                       partition@c0000 {
+                               label = "factory";
+                               reg = <0xc0000 0x10000>;
+                               read-only;
+
+                               nvmem-layout {
+                                       compatible = "fixed-layout";
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+
+                                       eeprom_factory_0: eeprom@0 {
+                                               reg = <0x0 0x4da8>;
+                                       };
+                               };
+                       };
+
+                       partition@d0000 {
+                               label = "event-log";
+                               reg = <0xd0000 0x90000>;
+                       };
+
+                       partition@400000 {
+                               label = "recovery";
+                               reg = <0x200000 0xe00000>;
+                       };
+               };
+       };
+
+       flash@1 {
+               compatible = "spi-nand";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               reg = <1>;
+               spi-max-frequency = <24000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "rutos-a";
+                               reg = <0x00000000 0x08000000>;
+                       };
+
+                       partition@8000000 {
+                               label = "rutos-b";
+                               reg = <0x08000000 0x08000000>;
+                       };
+               };
+       };
+};
+
+&gmac0 {
+       nvmem-cells = <&macaddr_config_0 0>;
+       nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+       status = "okay";
+       label = "wan";
+       phy-handle = <&ethphy4>;
+       nvmem-cells = <&macaddr_config_0 1>;
+       nvmem-cell-names = "mac-address";
+};
+
+&state_default {
+       gpio {
+               groups = "wdt", "jtag", "sdhci", "uart2", "uart3";
+               function = "gpio";
+       };
+};
+
+&ethphy4 {
+       /delete-property/ interrupts;
+};

diff --git a/target/linux/ramips/dts/mt7621_teltonika_rutm50.dts b/target/linux/ramips/dts/mt7621_teltonika_rutm50.dts
new file mode 100644 (file)
index 0000000..478fd50
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_teltonika_rutm50.dts
@@ -0,0 +1,250 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621_teltonika_rutm-common.dtsi"
+
+/ {
+       compatible = "teltonika,rutm50", "mediatek,mt7621-soc";
+       model = "Teltonika RUTM50/RUTM51";
+
+       gpio_spi {
+               compatible = "spi-gpio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               sck-gpios = <&gpio 9 GPIO_ACTIVE_HIGH>;
+               mosi-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+               cs-gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+               num-chipselects = <1>;
+
+               gpio_hc595: gpio_hc595@0 {
+                       compatible = "fairchild,74hc595";
+                       reg = <0>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       registers-number = <2>;
+                       spi-max-frequency = <10000000>;
+                       enable-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       gpio-export {
+               compatible = "gpio-export";
+
+               gpio_modem_reset {
+                       gpio-export,name = "modem_reset";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
+               };
+
+               gpio_modem_power {
+                       gpio-export,name = "modem_power";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
+               };
+       };
+
+       leds {
+               wan_sim1 {
+                       function = "wan-sim1";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 41 GPIO_ACTIVE_HIGH>;
+               };
+
+               wan_sim2 {
+                       function = "wan-sim2";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+               };
+
+               wan_eth {
+                       function = "wan-eth";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
+               };
+
+               wan_wifi {
+                       function = "wan-wifi";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
+               };
+
+               wifi_2g {
+                       function = LED_FUNCTION_WLAN_2GHZ;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 10 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "phy0tpt";
+               };
+
+               wifi_5g {
+                       function = LED_FUNCTION_WLAN_5GHZ;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 11 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "phy1tpt";
+               };
+
+               3G {
+                       function = "3G";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
+               };
+
+               4G {
+                       function = "4G";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
+               };
+
+               5G {
+                       function = "5G";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+               };
+
+               rssi1 {
+                       function = "rssi-1";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
+               };
+
+               rssi2 {
+                       function = "rssi-2";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 48 GPIO_ACTIVE_HIGH>;
+               };
+
+               rssi3 {
+                       function = "rssi-3";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
+               };
+
+               lan1-g {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <1>;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 0 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:00:1Gbps";
+               };
+
+               lan1-y {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <1>;
+                       color = <LED_COLOR_ID_AMBER>;
+                       gpios = <&gpio_hc595 5 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:00:100Mbps";
+               };
+
+               lan2-g {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <2>;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 1 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:01:1Gbps";
+               };
+
+               lan2-y {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <2>;
+                       color = <LED_COLOR_ID_AMBER>;
+                       gpios = <&gpio_hc595 6 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:01:100Mbps";
+               };
+
+               lan3-g {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <3>;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 2 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:02:1Gbps";
+               };
+
+               lan3-y {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <3>;
+                       color = <LED_COLOR_ID_AMBER>;
+                       gpios = <&gpio_hc595 7 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:02:100Mbps";
+               };
+
+               lan4-g {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <4>;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 3 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:03:1Gbps";
+               };
+
+               lan4-y {
+                       function = LED_FUNCTION_LAN;
+                       function-enumerator = <4>;
+                       color = <LED_COLOR_ID_AMBER>;
+                       gpios = <&gpio_hc595 8 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:03:100Mbps";
+               };
+
+               wan-g {
+                       function = LED_FUNCTION_WAN;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio_hc595 4 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:04:1Gbps";
+               };
+
+               wan-y {
+                       function = LED_FUNCTION_WAN;
+                       color = <LED_COLOR_ID_AMBER>;
+                       gpios = <&gpio_hc595 9 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "mt7530-0:04:100Mbps";
+               };
+       };
+};
+
+&switch0 {
+       ports {
+               port@0 {
+                       status = "okay";
+                       label = "lan1";
+               };
+
+               port@1 {
+                       status = "okay";
+                       label = "lan2";
+               };
+
+               port@2 {
+                       status = "okay";
+                       label = "lan3";
+               };
+
+               port@3 {
+                       status = "okay";
+                       label = "lan4";
+               };
+       };
+};
+
+&pcie {
+       status = "okay";
+};
+
+&pcie0 {
+       wifi@0,0 {
+               compatible = "mediatek,mt76";
+               reg = <0x0000 0 0 0 0>;
+               nvmem-cells = <&eeprom_factory_0>;
+               nvmem-cell-names = "eeprom";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               band@0 {
+                       reg = <0>;
+                       nvmem-cells = <&macaddr_config_0 2>;
+                       nvmem-cell-names = "mac-address";
+               };
+
+               band@1 {
+                       reg = <1>;
+                       nvmem-cells = <&macaddr_config_0 3>;
+                       nvmem-cell-names = "mac-address";
+               };
+       };
+};

diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 54a8bed14390753d97c880907501d80141d23098..a5d6d0404d2ac637ad31339223d7e86a883aa199 100644 (file)
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -8,6 +8,8 @@ include ./common-tp-link.mk
 DEFAULT_SOC := mt7621
 
 DEVICE_VARS += BUFFALO_TRX_MAGIC ELECOM_HWNAME LINKSYS_HWNAME DLINK_HWID
+DEVICE_VARS += SUPPORTED_TELTONIKA_DEVICES
+DEVICE_VARS += SUPPORTED_TELTONIKA_HW_MODS
 
 define Image/Prepare
        # For UBI we want only one extra block
@@ -2866,6 +2868,29 @@ define Device/tenbay_t-mb5eu-v01
 endef
 TARGET_DEVICES += tenbay_t-mb5eu-v01
 
+define Device/teltonika_rutm_common
+  $(Device/nand)
+  DEVICE_VENDOR := Teltonika
+  SUPPORTED_TELTONIKA_DEVICES := teltonika,rutm
+  SUPPORTED_TELTONIKA_HW_MODS := W25N02KV
+  KERNEL_IN_UBI := 1
+  FILESYSTEMS := squashfs
+  IMAGE_SIZE := 147456k
+  DEVICE_PACKAGES := kmod-mt7615-firmware kmod-usb3 kmod-usb-serial-option \
+       kmod-gpio-nxp-74hc164 kmod-spi-gpio -uboot-envtools
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-ubi | check-size | append-teltonika-metadata
+endef
+
+define Device/teltonika_rutm50
+  $(Device/teltonika_rutm_common)
+  DEVICE_MODEL := RUTM50
+  DEVICE_ALT0_VENDOR := Teltonika
+  DEVICE_ALT0_MODEL := RUTM51
+  DEVICE_PACKAGES += kmod-usb-net-qmi-wwan kmod-usb-net-cdc-ncm
+endef
+TARGET_DEVICES += teltonika_rutm50
+
 define Device/thunder_timecloud
   $(Device/dsa-migration)
   $(Device/uimage-lzma-loader)

diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/03_gpio_switches b/target/linux/ramips/mt7621/base-files/etc/board.d/03_gpio_switches
index 2e8158795a8e17cc521c0b3d4c8a5e86b1c185bd..4c1f3835b4b92fab546d69d81779ff9db934e0ca 100644 (file)
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/03_gpio_switches
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/03_gpio_switches
@@ -12,6 +12,10 @@ mikrotik,routerboard-760igs)
 telco-electronics,x1)
        ucidef_add_gpio_switch "modem_reset" "Modem Reset" "528"
        ;;
+teltonika,rutm50)
+       ucidef_add_gpio_switch "modem_power" "Modem power button" "modem_power" "1"
+       ucidef_add_gpio_switch "modem_reset" "Modem reset" "modem_reset" "0"
+       ;;
 tozed,zlt-s12-pro)
        ucidef_add_gpio_switch "lt72_power" "Power LTE modem" "lt72_power" "1"
        ;;

diff --git a/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount b/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount
index 5704d3995566821345007b2cb67f9c8bdd42d238..00830ee876d9187594843ad258890120e9b84a0a 100755 (executable)
--- a/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount
+++ b/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount
@@ -49,5 +49,27 @@ boot() {
                [ $(printf %d $(fw_printenv -n Image1Stable)) -gt 0 ] || fw_setenv Image1Stable 1
                [ $(printf %d $(fw_printenv -n Image1Try)) -gt 0 ] && fw_setenv Image1Try 0
                ;;
+       teltonika,rutm50)
+               #Bootloader expect successfull startup value after update, we need to write success value to bootconfig partition
+               #otherwise bootloader will fallback to previous root partition
+               . /lib/functions.sh
+               local PART="$(cmdline_get_var ubi.mtd)"
+               local MTD_INDEX=$(find_mtd_index bootconfig-a)
+
+               case "$PART" in
+               rutos-a)
+                       [ "$(md5sum /dev/mtd$MTD_INDEX | awk '{print $1}')" = "adc4a78e76efc6b4afdc41925e4017c6" ] || {
+                               logger -t "bootcount" "saving new failsafe boot config in /dev/mtd$MTD_INDEX bootconfig-a partition rutos-a"
+                               echo -ne "\xe1\xb0\xba\xba\x01\x00\xf9\x01\xf8\x01\xf0\x00\x3d\xd4\xfb\x95" | mtd -e bootconfig-a write - bootconfig-a
+                       }
+                       ;;
+               rutos-b)
+                       [ "$(md5sum /dev/mtd$MTD_INDEX | awk '{print $1}')" = "2904b3476604ef153d1925acdde062e8" ] || {
+                               logger -t "bootcount" "saving new failsafe boot config in /dev/mtd$MTD_INDEX bootconfig-a partition rutos-b"
+                               echo -ne "\xe1\xb0\xba\xba\x01\x01\xf7\x01\xf8\x00\xf0\x00\xce\xd4\x44\x08" | mtd -e bootconfig-a write - bootconfig-a
+                               }
+                       ;;
+               esac
+               ;;
        esac
 }

diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
index f80d9d9266408437e9db0502a87e9618026fc42f..0439c494daba19f34551cd03fa892e19532fe80b 100644 (file)
--- a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
@@ -230,6 +230,10 @@ platform_do_upgrade() {
                zyxel_mstc_upgrade_prepare
                nand_do_upgrade "$1"
                ;;
+       teltonika,rutm50)
+               CI_UBIPART="$(cmdline_get_var ubi.mtd)"
+               nand_do_upgrade "$1"
+               ;;
        *)
                default_do_upgrade "$1"
                ;;