From: Esben Haabendal <>
Date: Fri,  6 Apr 2018 14:46:35 +0200

> From: Esben Haabendal <>
> The current (mildly evil) fsl_pq_mdio code uses an undocumented shadow of
> the TBIPA register on LS1021A, which happens to be read-only.
> Changing TBI PHY address therefore does not work on LS1021A.
> The real (and documented) address of the TBIPA registere lies in the eTSEC
> block and not in MDIO/MII, which is read/write, so using that fixes
> the problem.
> Signed-off-by: Esben Haabendal <>


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