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ramips: add support for DLINK DWR-921-C1

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The DWR-921-C1 Wireless Routers with LTE embedded modem is based on the
MT7620N SoC.

Specification:

  * MediaTek MT7620N (580 Mhz)
  * 64 MB of RAM
  * 16 MB of FLASH
  * 802.11bgn radio
  * 5x 10/100 Mbps Ethernet (1 WAN and 4 LAN)
  * 2x external, detachable (LTE) antennas
  * UART header on PCB (57600 8n1)
  * 6x LED (GPIO-controlled)
  * 1x bi-color Signal Strength LED (GPIO-controlled)
  * 2x button
  * JBOOT bootloader

The status led has been assigned to the dwr-921-c1:green:sigstrength (lte
signal strength) led. At the end of the boot it is switched off and is
available for lte operation. Work correctly also during sysupgrade
operation.

Installation:
Apply factory image via d-link http web-gui.

How to revert to OEM firmware:
1.) Push the reset button and turn on the power. Wait until LED start
    blinking (~10sec.)
2.) Upload original factory image via JBOOT http (IP: 192.168.123.254)
3.) If http doesn't work, it can be done with curl command:
    curl -F FN=@XXXXX.bin http://192.168.123.254/upg
    where XXXXX.bin is name of firmware file.

Signed-off-by: Giuseppe Lippolis <giu.lippolis@gmail.com>
This commit is contained in:
Giuseppe Lippolis
2018-03-10 10:34:38 +01:00
committed by Mathias Kresin
parent e9d5f8ebb2
commit 6525bffc0a
7 changed files with 175 additions and 3 deletions
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3
target/linux/ramips/base-files/lib/upgrade/platform.sh
View File

@@ -271,7 +271,8 @@ platform_check_image() {
}
return 0
;;
dlink,dwr-116-a1)
dlink,dwr-116-a1|\
dlink,dwr-921-c1)
[ "$magic" != "0404242b" ] && {
echo "Invalid image type."
return 1