[U-Boot] [PATCH] ppc4xx: Fix TLB reset problem with recent 44x images

[Stefan Roese]

On Tuesday 14 July 2009 15:53:58 Stefan Roese wrote:
> Patch d873133f [ppc4xx: Add Sequoia RAM-booting target] broke "normal"
> booting on some 44x platforms. This breakage is only noticed in some
> cases while powercycling. As it seems, the code in question in start.S
> didn't invalidate TLB #0. This makes sense since this TLB is used for
> the bootrom mapping. With the patch mentioned above even TLB #0 got
> invalidated resulting in an error later on.
>
> This patch now fixes this issue by only invalidating TLB #0 in the RAM-
> booting case.
>
> Tested succesfully on Sequoia and Canyonlands.

Applied to ppc4xx/master. Thanks.

Best regards,
Stefan

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