Commit Graph

3 Commits

Author SHA1 Message Date
Adrian Schmutzler 7f1b0f68f1 ramips: convert mtd-mac-address to nvmem for D-Link DIR-8xx
Convert this series by moving the definitions to the individual
devices.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-08-20 18:10:48 +02:00
Adrian Schmutzler ba3d92c5a0 ramips: convert most mtd-mac-address cases in DTSI to nvmem
Convert most of the cases from mtd-mac-address to nvmem where
MAC addresses are set in the DTSI, but the partitions are only
located in the device DTS. This posed some problems earlier, since
in these cases we are using partitions before they are defined,
and the nvmem system did not seem to like that.

There have been a few different resolution approaches, based on
the different tradeoffs of deduplication vs. maintainability:

 1. In many cases, the partition tables were identical except for
    the firmware partition size, and the firmware partition was
    the last in the table.
    In these cases, the partition table has been moved to the
    DTSI, and only the firmware partition's "reg" property has
    been kept in the DTS files. So, the updated nvmem definition
    could stay in the DTSI files as well.

 2. For all other cases, splitting up the partition table would
    have introduced additional complexity. Thus, the nodes to be
    converted to nvmem have been moved to the DTS files where the
    partitioning was defined.

 3. For Netgear EX2700 and WN3000RP v3, the remaining DTSI file
    was completely dissolved, as it was quite small and the name
    was not really nice either.

 4. The D-Link DIR-853 A3 was converted to nvmem as well, though
    it is just a plain DTS file not taken care of in the first
    wave.

In addition, some minor rearrangements have been made for tidyness.

Not covered (yet) by this patch are:

 * Various unielec devices
 * The D-Link DIR-8xx family

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-08-18 23:46:02 +02:00
Karim Dehouche 6639623e75 ramips: add support for D-Link DIR-853 A3
Specifications:
* SoC: MT7621AT
* RAM: 256MB
* Flash: 128MB NAND flash
* WiFi: MT7615DN (2.4GHz+5Ghz) with DBDC
* LAN: 5x1000M
* Firmware layout is Uboot with extra 96 bytes in header
* Base PCB is DIR-1360 REV1.0
* LEDs Power Blue+Orange,Wan Blue+Orange,WPS Blue,"2.4G"Blue, "5G" Blue,
  USB Blue
* Buttons Reset,WPS, Wifi

MAC addresses on OEM firmware:

lan      factory 0xe000   f4:*:*:a8:*:65  (label)
wan      factory 0xe006   f4:*:*:a8:*:68
2.4 GHz  [not on flash]   f6:*:*:c8:*:66
5.0 GHz  factory 0x4      f4:*:*:a8:*:66

The increment of the 4th byte for the 2.4g address appears to vary.
Reported cases:

       5g                 2.4g         increment
 f4:XX:XX:a8:XX:66  f6:XX:XX:c8:XX:66  +0x20
 x0:xx:xx:68:xx:xx  x2:xx:xx:48:xx:xx  -0x20
 x4:xx:xx:6a:xx:xx  x6:xx:xx:4a:xx:xx  -0x20

Since increment is inconsistent and there is no obvious pattern
in swapping bytes, and the 2.4g address has local bit set anyway,
it seems safer to use the LAN address with flipped byte here in
order to prevent collisions between OpenWrt devices and OEM devices
for this interface. This way we at least use an address as base
that is definitely owned by the device at hand.

Flashing instruction:

The Dlink "Emergency Room" cannot be accessed through the reset
button on this device. You can either use console or use the
encrypted factory image availble in the openwrt forum.

Once the encrypted image is flashed throuh the stock Dlink web
interface, the sysupgrade images can be used.

Header pins needs to be soldered near the WPS and Wifi buttons.

The layout for the pins is (VCC,RX,TX,GND). No need to connect the VCC.

the settings are:

Bps/Par/Bits          : 57600 8N1
Hardware Flow Control : No
Software Flow Control : No

Connect your client computer to LAN1 of the device
Set your client IP address manually to 192.168.0.101 / 255.255.255.0.
Call the recovery page or tftp for the device at http://192.168.0.1
Use the provided emergency web GUI to upload and flash a new firmware to
the device

At the time of adding support the wireless config needs to be set up by
editing the wireless config file:

 * Setting the country code is mandatory, otherwise the router loses
   connectivity at the next reboot. This is mandatory and can be done
   from luci. After setting the country code the router boots correctly.
   A reset with the reset button will fix the issue and the user has to
   reconfigure.

 * This is minor since the 5g interface does not come up online although
   it is not set as disabled. 2 options here:

   1- Either run the "wifi" command. Can be added from LUCI in system -
      startup - local startup and just add wifi above "exit 0".

   2- Or add the serialize option in the wireless config file as shown
      below. This one would work and bring both interfaces automatically
      at every boot:

      config wifi-device 'radio0'
          option serialize '1'

      config wifi-device 'radio1'
          option serialize '1'

Signed-off-by: Karim Dehouche <karimdplay@gmail.com>
[rebase, improve MAC table, update wireless config comment, fix
 2.4g macaddr setup]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-07-12 00:19:14 +02:00