[U-Boot] [PATCH v4 3/6] mcx: Disable DCACHE since USB EHCI is enabled

Ilya Yanok
2012-06-30T15:55:34Z

Dear Marek,

29.06.2012 04:54, Marek Vasut wrote:
>> To clarify for everyone, the first part of this series fixes some
>> alignment issues for things that were not starting address aligned.
>> There still exist end-address alignment issues within ehci-hcd. The
>> time I have for this problem right now boils down to disable dcache for
>> these boards so that USB is still functional.
> To clarify it even further -- it always worked just by sheer coincidence ...

Not exactly. It never worked (at least on my systems) with D-Cache
enabled. But at least we had a choice of run-time disabled dcache. With
the recent changes we have to disable cache support at compile time.

Regards, Ilya.