Commit Graph

3 Commits

Author SHA1 Message Date
Sander Vanheule
9320516613 ath79: move ethernet phy node for TP-Link EAP devices
Move the ethernet phy definition from the eap2x5-1port include to the
device-specific DTS files. This is to prepare for new devices that have
a different ethernet phy, at another MDIO address.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
2022-06-16 21:39:32 +02:00
Sander Vanheule
d61882783d ath79: TP-Link EAP245 v1: convert ath10k to nvmem-cells
Add the PCIe node for the ath10k radio to the devicetree, and refer to
the art partition for the calibration data using nvmem-cells.

Use mac-address-increment to ensure the MAC address is set correctly,
and remove the device from the caldata extraction and patching script.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
2022-06-16 21:39:32 +02:00
Sander Vanheule
b11ad48764 ath79: support for TP-Link EAP245 v1
TP-Link EAP245 v1 is an AC1750 (802.11ac Wave-1) ceiling mount access point.

Device specifications:
* SoC: QCA9563 @ 775MHz
* RAM: 128MiB DDR2
* Flash: 16MiB SPI-NOR
* Wireless 2.4GHz (SoC): b/g/n, 3x3
* Wireless 5Ghz (QCA9880): a/n/ac, 3x3
* Ethernet (AR8033): 1× 1GbE, 802.3at PoE

Flashing instructions:
* Upgrade the device to firmware v1.4.0 if necessary
* Exploit the user management page in the web interface to start telnetd
  by changing the username to `;/usr/sbin/telnetd -l/bin/sh&`.
* Immediately change the malformed username back to something valid
  (e.g. 'admin') to make ssh work again.
* Use the root shell via telnet to make /tmp world writeable (chmod 777)
* Extract /usr/bin/uclited from the device via ssh and apply the binary
  patch listed below. The patch is required to prevent `uclited -u` in
  the last step from crashing.
* Copy the patched uclited programme back to the device at /tmp/uclited
  (via ssh)
* Upload the factory image to /tmp/upgrade.bin (via ssh)
* Run `chmod +x /tmp/uclited && /tmp/uclited -u` to install OpenWrt.

    --- xxd uclited
    +++ xxd uclited-patched
    @@ -53796,7 +53796,7 @@
     000d2240: 8c44 0000 0320 f809 0000 0000 8fbc 0010  .D... ..........
     000d2250: 8fa6 0a4c 02c0 2821 8f82 87b8 0000 0000  ...L..(!........
    -000d2260: 8c44 0000 0c13 45e0 27a7 0018 8fbc 0010  .D....E.'.......
    +000d2260: 8c44 0000 2402 0000 0000 0000 8fbc 0010  .D..$...........
     000d2270: 1040 001d 0000 1821 8f99 8374 3c04 0058  .@.....!...t<..X
     000d2280: 3c05 0056 2484 a898 24a5 9a30 0320 f809  <..V$...$..0. ..

Debricking:
* Serial port can be soldered on PCB J3 (1: TXD, 2: RXD, 3: GND, 4: VCC)
    * Bridge unpopulated resistors R225 (TXD) and R237 (RXD).
      Do NOT bridge R230.
    * Use 3.3V, 115200 baud, 8n1
* Interrupt bootloader by holding CTRL+B during boot
* tftp initramfs to flash via the LuCI web interface
    setenv ipaddr 192.168.1.1 # default, change as required
    setenv serverip 192.168.1.10 # default, change as required
    tftp 0x80800000 initramfs.bin
    bootelf $fileaddr

Tested on the EAP245 v1 running the latest firmware (v1.4.0). The binary
patch might not apply to uclited from other firmware versions.

EAP245 v1 device support was originally developed and maintained by
Julien Dusser out-of-tree. This patch and "ath79: prepare for 1-port
TP-Link EAP2x5 devices" are based on that work.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
2020-11-23 22:53:15 +01:00