[U-Boot-Users] disabling d-cache in 'bootelf' for QNX

[Wolfgang Denk]

Dear Rafal,

in message <477CB941.2020001 at semihalf.com> you wrote:
> 
> Indeed, in certain cases it does actually (e.g. 86xx), but it's not uniform
> unfortunatelly. In my case (85xx) dcache_disable() does not flush the cache
> before disabling.

I consider this a bug in the 85xx code, then. The bug should be fixed,
and not worked around it.

> Yeah, after a second thought I tend to agree. Maybe the way to go is doing
> data cache flush from within dcache_disable() properly i.e. bring it in for
> arch variations that don't do it currently like 85xx... Actually to confirm my
> observations I tested a working patch that flushes d-cache at cache_disable()
> just like 86xx and it works for me, this is: my problems disappear. Do you
> think this is a better option?

Yes, indeed.

Best regards,

Wolfgang Denk

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