ramips: add support for ELECOM WRC-1750GST2
authorINAGAKI Hiroshi <musashino.open@gmail.com>
Wed, 17 Mar 2021 09:35:34 +0000 (18:35 +0900)
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>
Mon, 22 Mar 2021 20:07:34 +0000 (21:07 +0100)
ELECOM WRC-1750GST2 is a 2.4/5 GHz band 11ac (Wi-Fi 5) router, based on
MT7621A.

Specification:

- SoC : MediaTek MT7621A
- RAM : DDR3 256 MiB (NT5CC128M16JR-EK)
- Flash : SPI-NOR 32 MiB (MX25L25645GMI-08G)
- WLAN : 2.4/5 GHz 3T3R (2x MediaTek MT7615)
- Ethernet : 10/100/1000 Mbps x5
  - Switch : MediaTek MT7530 (SoC)
- LEDs/Keys : 4x/6x (2x buttons, 1x slide-switch)
- UART : through-hole on PCB
  - J4: 3.3V, GND, TX, RX, from ethernet port side
  - 57600n8
- Power : 12 VDC, 1.5 A

Flash instruction using factory image:

1. Boot WRC-1750GST2 normally with "Router" mode
2. Access to "http://192.168.2.1/" and open firmware update page
   ("ファームウェア更新")
3. Select the OpenWrt factory image and click apply ("適用") button
4. Wait ~120 seconds to complete flashing

MAC addresses:

LAN : 04:AB:18:xx:xx:23 (Factory, 0xE000 (hex))
WAN : 04:AB:18:xx:xx:24 (Factory, 0xE006 (hex))
2.4GHz : 04:AB:18:xx:xx:25 (Factory, 0x4    (hex))
5GHz : 04:AB:18:xx:xx:26 (Factory, 0x8004 (hex))

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
(cherry picked from commit b3ca1f30efd7bb96a22f72b766d302e552265276)

target/linux/ramips/dts/mt7621_elecom_wrc-1750gst2.dts [new file with mode: 0644]
target/linux/ramips/image/mt7621.mk

diff --git a/target/linux/ramips/dts/mt7621_elecom_wrc-1750gst2.dts b/target/linux/ramips/dts/mt7621_elecom_wrc-1750gst2.dts
new file mode 100644 (file)
index 0000000..4b8888c
--- /dev/null
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621_elecom_wrc-gs-2pci.dtsi"
+
+/ {
+       compatible = "elecom,wrc-1750gst2", "mediatek,mt7621-soc";
+       model = "ELECOM WRC-1750GST2";
+};
+
+&partitions {
+       partition@50000 {
+               compatible = "denx,uimage";
+               label = "firmware";
+               reg = <0x50000 0x1800000>;
+       };
+
+       partition@1850000 {
+               label = "tm_pattern";
+               reg = <0x1850000 0x400000>;
+               read-only;
+       };
+
+       partition@1c50000 {
+               label = "tm_key";
+               reg = <0x1c50000 0x100000>;
+               read-only;
+       };
+
+       partition@1d50000 {
+               label = "nvram";
+               reg = <0x1d50000 0xb0000>;
+               read-only;
+       };
+
+       partition@1e00000 {
+               label = "user_data";
+               reg = <0x1e00000 0x200000>;
+               read-only;
+       };
+};
index 396b112..25ca1b8 100644 (file)
@@ -460,6 +460,14 @@ define Device/elecom_wrc-1750gs
 endef
 TARGET_DEVICES += elecom_wrc-1750gs
 
+define Device/elecom_wrc-1750gst2
+  $(Device/elecom_wrc-gs)
+  IMAGE_SIZE := 24576k
+  DEVICE_MODEL := WRC-1750GST2
+  ELECOM_HWNAME := WRC-1750GST2
+endef
+TARGET_DEVICES += elecom_wrc-1750gst2
+
 define Device/elecom_wrc-1750gsv
   $(Device/elecom_wrc-gs)
   IMAGE_SIZE := 11264k