ramips: add support for Belkin RT1800

Belkin RT1800 is an 802.11ax (Wi-Fi 6) router, based on MediaTek
MT7621A.

Specifications:
- SoC: MT7621 (880MHz, 2 Cores)
- RAM: 256 MB
- Flash: 128 MB NAND
- Wi-Fi:
  - MT7915D: 2.4/5 GHz (DBDC)
- Ethernet: 5x 1GiE MT7530
- USB: 1x USB 3.0
- UART: J4 (57600 baud)
  - Pinout: [3V3] (TXD) (RXD) (blank) (GND)

Notes:
* This device has a dual-boot partition scheme, but this firmware works
  only on boot partition 1.

Installation:

Upload the generated factory.bin image via the stock web firmware
updater.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

5 files changed, 15 insertions, 0 deletions

diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
index 5e1e707930..aebdcd5ad9 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
@@ -28,6 +28,9 @@ beeline,smartbox-giga|\
 beeline,smartbox-turbo)
 	ucidef_set_led_netdev "wan" "wan" "blue:wan" "wan"
 	;;
+belkin,rt1800)
+	ucidef_set_led_netdev "wan" "wan" "white:wan" "wan"
+	;;
 cudy,wr2100)
 	ucidef_set_led_netdev "lan1" "lan1" "green:lan1" "lan1"
 	ucidef_set_led_netdev "lan2" "lan2" "green:lan2" "lan2"
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index 1fa6182c4d..5b9eca0779 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -205,6 +205,11 @@ ramips_setup_macs()
 		wan_mac=$lan_mac
 		label_mac=$lan_mac
 		;;
+	belkin,rt1800)
+		lan_mac=$(mtd_get_mac_ascii Config lan_hwaddr)
+		wan_mac=$(mtd_get_mac_ascii Config wan_hwaddr)
+		label_mac=$lan_mac
+		;;
 	mikrotik,routerboard-750gr3|\
 	mikrotik,routerboard-760igs|\
 	mikrotik,routerboard-m11g|\
diff --git a/target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac b/target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
index d1ce370cad..98bc6c1ccf 100644
--- a/target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
+++ b/target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
@@ -84,6 +84,11 @@ case "$board" in
 		[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 1 > /sys${DEVPATH}/macaddress
 		[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
 		;;
+	belkin,rt1800)
+		hw_mac_addr=$(mtd_get_mac_ascii Config wan_hwaddr)
+		[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 1 > /sys${DEVPATH}/macaddress
+		[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
+		;;
 	netgear,wax202)
 		hw_mac_addr=$(mtd_get_mac_ascii Config mac)
 		[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
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 14e32f2968..a77fc41f07 100755
--- a/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount
+++ b/target/linux/ramips/mt7621/base-files/etc/init.d/bootcount
@@ -22,6 +22,7 @@ boot() {
 	linksys,ea8100-v2)
 		mtd resetbc s_env || true
 		;;
+	belkin,rt1800|\
 	samknows,whitebox-v8)
 		fw_setenv bootcount 0
 		;;
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 7eb86b31de..997b4d35ff 100755
--- a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
@@ -57,6 +57,7 @@ platform_do_upgrade() {
 	beeline,smartbox-flash|\
 	beeline,smartbox-giga|\
 	beeline,smartbox-turbo|\
+	belkin,rt1800|\
 	dlink,dir-1960-a1|\
 	dlink,dir-2640-a1|\
 	dlink,dir-2660-a1|\