[OpenWrt-Devel] [PATCH 3/5] ar71xx: Allow to set the RXDV, RXD, TXD, TXE delays for QCA955x

Sven Eckelmann sven.eckelmann at open-mesh.com
Thu Mar 17 04:19:49 EDT 2016

On Wednesday 16 March 2016 22:41:58 Christian Beier wrote:
> Am Tue,  8 Mar 2016 18:39:05 +0100
> schrieb Sven Eckelmann <sven.eckelmann at open-mesh.com>:
> > The default RGMII values from the Atheros u-boot are currently used to
> > preset the existing mach files. These may have to be adjusted for boards
> > using different values but which are not currently set them explicitely in
> > OpenWrt.
> Hi Sven,
> Just to clarify: If I don't have any special values than the presets are used
> and there's nothing I have to do in that case?

You have to find out what values are working (for example by checking what
u-boot currently sets in ETH_CFG before ath79_setup_qca955x_eth_cfg overwrites
it). But it looks that John doesn't like that mach-* files correctly set the
content of ETH_CFG via this function. So you don't have to do anything and just
hope that u-boot does always the right (which it doesn't do here, for example
booting up with 100Base-T Full Duplex and then switching to 1000Base-T full
duplex under OpenWrt doesn't work for MR1750 and some other products I had in
my hand).

Kind regards,
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