The ag71xx driver from Linux 5.4 currently has various shortcomings
when used with OpenWrt compared to our downstream version.
For example, the upstream driver does not support modifying the ethernet
clock and configuring RGMII delays on the MAC side.
While we should certainly switch to the upstream driver, the amount of
necessary patches would make it cumbersome to work with. It's also
highly likely we won't be able to finish patching the upstream driver in
time for a Linux 5.4 release.
Tested on Siemens WS-AP3610.
CC: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
[refreshed]
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* Sync the patches with the changes done for kernel 4.19
* Use KERNEL_TESTING_PATCHVER
* Refresh the configuration
* Fix multiple compile bugs in the patches
* Only add own ag71xx files for kernel 4.19 and use upstream version for
5.4.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Without "syscon" being present in an ag71xx ethernet DT node's
compatible property, a panic occurs at boot during probe citing
"Unhandled kernel unaligned access".
With this modification, the panic no longer occurs and instead the probe
simply fails, allowing the boot process to continue.
Signed-off-by: Matt Merhar <mattmerhar@protonmail.com>
Allow specifying desired mdio clock frequency in dts.
Use default frequency around 5MHz for builtin switch and 2MHz for other mdio bus.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
We need to have mdio1 belonging to gmac1 initialized before gmac0.
Split it into a separated mdio device to get both mdios ready before probing gmac.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This target aims to replace ar71xx mid-term. The big part that is still
missing is making the MMIO/AHB wifi work using OF. NAND and mikrotik
subtargets will follow.
Signed-off-by: John Crispin <john@phrozen.org>
David Bauer
Chuanhong Guo
Matt Merhar
John Crispin