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ramips: add support for MikroTik RouterBOARD 760iGS (hEX S)

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This patch adds support for the MikroTik RouterBOARD 760iGS router.
It is similar to the already supported RouterBOARD 750Gr3.
The 760iGS device features an added SFP cage, and passive
PoE out on port 5 compared to the RB750Gr3.

https://mikrotik.com/product/hex_s

Specifications:

- SoC: MediaTek MT7621A
- CPU: 880MHz
- Flash: 16 MB
- RAM:  256 MB
- Ethernet: 5x 10/100/1000 Mbps
- SFP cage
- USB port
- microSD slot

Unsupported:

- Beeper (requires PWM driver)
- ZT2046Q (ADS7846 compatible) on SPI as slave 1 (CS1)
  The linux driver requires an interrupt, and pendown GPIO
  These are unknown, and not needed with the touchscreen
  only used for temperature and voltage monitoring.
  ads7846 hwmon:
  temp0 is degrees Celsius
  temp1 is voltage * 32

GPIOs:

- 07:  input passive PoE out (lan5) compatible (Mikrotik) device connected
- 17:  output passive PoE out (lan5) switch

Installation through RouterBoot follows the usual MikroTik method
https://openwrt.org/toh/mikrotik/common

To boot to intramfs image in RAM:

1. Setup TFTP server to serve intramfs image.
2. Plug Ethernet cable into WAN port.
3. Unplug power, hold reset button and plug power in.
   Wait (~25 seconds) for beep and then release reset button.
   The SFP LED will be lit in RouterBoot, but will not be lit in OpenWRT.
4. Wait for a minute. Router should be running OpenWrt,
   check by plugging in to port 2-5 and going to 192.168.1.1.

To install OpenWrt to flash:

1. Follow steps above to boot intramfs image in RAM.
2. Flash the sysupgrade.bin image with web interface or sysupgrade.
3. Once the router reboots you will be running OpenWrt from flash.

OEM firmware differences:

- RouterOS assigns a different MAC address for each port
- The first address (E01 on the sticker) is used for wan (ether1 in OEM).
- The next address is used for lan2.
- The last address (E06 on the sticker) is used for sfp.

[Initial port work, shared dtsi]
Signed-off-by: Vince Grassia <vincenzo.grassia@zionark.com>
[SFP support and GPIO identification]
Signed-off-by: Luka Logar <luka.logar@iname.com>
[Misc. fixes and submission]
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
[rebase, drop uart3 from state_default on 750gr3, minor commit
title/message facelift]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
John Thomson 2020-06-11 08:15:40 +10:00 committed by Adrian Schmutzler
parent ddf3e5c22d
commit 74438d5419
8 changed files with 161 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
target/linux/ramips/dts/mt7621_mikrotik_routerboard-750gr3.dts
View File

@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621_mikrotik.dtsi"
#include "mt7621_mikrotik_routerboard-7xx.dtsi"
/ {
compatible = "mikrotik,routerboard-750gr3", "mediatek,mt7621-soc";
@ -28,79 +28,11 @@
gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
};
};
gpio_export {
compatible = "gpio-export";
#size-cells = <0>;
buzzer {
/* Beeper requires PWM for frequency selection */
gpio-export,name = "buzzer";
gpio-export,output = <0>;
gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
};
usb_power {
gpio-export,name = "usb_power";
gpio-export,output = <1>;
gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
};
};
};
&keys {
mode {
label = "mode";
gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
linux,code = <BTN_0>;
};
};
&partitions {
partition@40000 {
compatible = "mikrotik,minor";
label = "firmware";
reg = <0x040000 0xfc0000>;
};
};
&switch0 {
ports {
port@0 {
status = "okay";
label = "wan";
};
port@1 {
status = "okay";
label = "lan2";
};
port@2 {
status = "okay";
label = "lan3";
};
port@3 {
status = "okay";
label = "lan4";
};
port@4 {
status = "okay";
label = "lan5";
};
};
};
&state_default {
gpio {
/* via gpio7 (uart3 group) the PoE status can be read */
groups = "uart2", "uart3", "jtag", "wdt";
groups = "uart2", "jtag", "wdt";
function = "gpio";
};
};
&sdhci {
status = "okay";
};

69
target/linux/ramips/dts/mt7621_mikrotik_routerboard-760igs.dts Normal file
View File

@ -0,0 +1,69 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621_mikrotik_routerboard-7xx.dtsi"
/ {
compatible = "mikrotik,routerboard-760igs", "mediatek,mt7621-soc";
model = "MikroTik RouterBOARD 760iGS";
aliases {
led-boot = &led_pwr;
led-failsafe = &led_pwr;
led-running = &led_pwr;
led-upgrade = &led_pwr;
};
leds {
compatible = "gpio-leds";
led_pwr: pwr {
label = "routerboard-760igs:blue:pwr";
gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
sfp {
label = "routerboard-760igs:blue:sfp";
gpios = <&gpio 9 GPIO_ACTIVE_HIGH>;
};
};
sfp1: sfp1 {
compatible = "sff,sfp";
i2c-bus = <&i2c>;
los-gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
mod-def0-gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
tx-disable-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <1000>;
};
};
&mdio {
ephy7: ethernet-phy@7 {
reg = <7>;
sfp = <&sfp1>;
};
};
&gmac1 {
status = "okay";
label = "sfp";
phy-handle = <&ephy7>;
};
&i2c {
status = "okay";
};
&state_default {
gpio {
/* gpio7 (uart3 group) goes high when
* port5 (PoE out) is cabled to a
* Mikrotik PoE-in capable port,
* such as port1 on another rb760iGS */
groups = "uart2", "uart3", "jtag", "wdt";
function = "gpio";
};
};

72
target/linux/ramips/dts/mt7621_mikrotik_routerboard-7xx.dtsi Normal file
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@ -0,0 +1,72 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "mt7621_mikrotik.dtsi"
/ {
gpio_export {
compatible = "gpio-export";
#size-cells = <0>;
buzzer {
/* Beeper requires PWM for frequency selection */
gpio-export,name = "buzzer";
gpio-export,output = <0>;
gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
};
usb_power {
gpio-export,name = "usb_power";
gpio-export,output = <1>;
gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
};
};
};
&keys {
mode {
label = "mode";
gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
linux,code = <BTN_0>;
};
};
&partitions {
partition@40000 {
compatible = "mikrotik,minor";
label = "firmware";
reg = <0x040000 0xfc0000>;
};
};
&switch0 {
ports {
port@0 {
status = "okay";
label = "wan";
};
port@1 {
status = "okay";
label = "lan2";
};
port@2 {
status = "okay";
label = "lan3";
};
port@3 {
status = "okay";
label = "lan4";
};
port@4 {
status = "okay";
label = "lan5";
};
};
};
&sdhci {
status = "okay";
};

7
target/linux/ramips/image/mt7621.mk
View File

@ -708,6 +708,13 @@ define Device/mikrotik_routerboard-750gr3
endef
TARGET_DEVICES += mikrotik_routerboard-750gr3
define Device/mikrotik_routerboard-760igs
$(Device/MikroTik)
DEVICE_MODEL := RouterBOARD 760iGS
DEVICE_PACKAGES += kmod-sfp -wpad-basic
endef
TARGET_DEVICES += mikrotik_routerboard-760igs
define Device/mikrotik_routerboard-m11g
$(Device/MikroTik)
DEVICE_MODEL := RouterBOARD M11G

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

@ -48,6 +48,9 @@ linksys,ea7500-v2)
ucidef_set_led_netdev "lan4" "lan4 link" "$boardname:green:lan4" "lan4" "link"
ucidef_set_led_netdev "wan" "wan link" "$boardname:green:wan" "wan" "link"
;;
mikrotik,routerboard-760igs)
ucidef_set_led_netdev "sfp" "SFP" "$boardname:blue:sfp" "sfp"
;;
mikrotik,routerboard-m11g)
ucidef_set_rssimon "wlan0" "200000" "1"
ucidef_set_led_rssi "rssilow" "RSSILOW" "$boardname:green:rssi0" "wlan0" "1" "100"

4
target/linux/ramips/mt7621/base-files/etc/board.d/02_network
View File

@ -48,6 +48,9 @@ ramips_setup_interfaces()
mikrotik,routerboard-750gr3)
ucidef_set_interfaces_lan_wan "lan2 lan3 lan4 lan5" "wan"
;;
mikrotik,routerboard-760igs)
ucidef_set_interfaces_lan_wan "lan2 lan3 lan4 lan5" "wan sfp"
;;
ubnt,edgerouter-x)
ucidef_set_interfaces_lan_wan "eth1 eth2 eth3 eth4" "eth0"
;;
@ -108,6 +111,7 @@ ramips_setup_macs()
label_mac=$lan_mac
;;
mikrotik,routerboard-750gr3|\
mikrotik,routerboard-760igs|\
mikrotik,routerboard-m11g|\
mikrotik,routerboard-m33g)
label_mac=$(cat "/sys/firmware/mikrotik/hard_config/mac_base")

3
target/linux/ramips/mt7621/base-files/etc/board.d/03_gpio_switches
View File

@ -7,6 +7,9 @@ board_config_update
board=$(board_name)
case "$board" in
mikrotik,routerboard-760igs)
ucidef_add_gpio_switch "poe_passthrough" "PoE Passthrough" "497"
;;
telco-electronics,x1)
ucidef_add_gpio_switch "modem_reset" "Modem Reset" "16"
;;

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

@ -28,6 +28,7 @@ platform_do_upgrade() {
}
;;
mikrotik,routerboard-750gr3|\
mikrotik,routerboard-760igs|\
mikrotik,routerboard-m11g|\
mikrotik,routerboard-m33g)
[ -z "$(rootfs_type)" ] && mtd erase firmware