On Thu, Dec 12, 2024 at 2:36 PM A. Sverdlin <alexander.sverd...@siemens.com> wrote: > > From: Alexander Sverdlin <alexander.sverd...@siemens.com> > > Currently if a gigabit-capable PHY is connected to FEC via RMII or MII, it > will advertise 1000FULL and 1000HALF to a link partner. > > Different problems may arise here: > - usually with (R)MII between MAC and PHY the PHY's connection to magnetics > would have only 2 pairs routed as well, otherwise a PHY can negotiate 1000 > speed and there will be no traffic possible; > - but even if there is no way to negotiate 1000 speed in HW (only 2 signal > pairs routed), it may take a lot of time for PHY to figure this out; in > case of AD1300 it takes 17-20 seconds, which is waay longer than default > 4s PHY_ANEG_TIMEOUT. > > Use phy_set_supported() in such cases to disable gigabit advertised > options. > > Signed-off-by: Alexander Sverdlin <alexander.sverd...@siemens.com>
Applied to u-boot-imx/next, thanks.
