[U-Boot] [PATCH] armv8/fsl-lsch2: make the workaround for PIN MUX erratum A010539 robust

York Sun york.sun at nxp.com
Wed May 9 18:19:24 UTC 2018


On 04/25/2018 01:26 AM, Z.q. Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> Mask HRESET_B after cleared the the RCW_SRC, because in the workaround
> we override the RCW_SRC and if HRESET_B is issued after the override
> then SoC cannot find valid RCW as the RCW_SRC was overwritten and result
> in hang. So we need to mask HRESET_B in case user asserts it, and the
> PORESET_B should be asserted which leads to resampling of cfg_rcw_src
> pins and loading of correct RCW_SRC.
> 
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---

Applied to fsl-qoriq master, awaiting upstream.
Thanks.

York


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