[U-Boot] [PATCH 1/2 V2] arm926: Flush the data cache before disabling it.

Christian Riesch christian.riesch at omicron.at
Thu Jan 19 12:30:44 CET 2012


Hi Aneesh,

On Thu, Jan 19, 2012 at 11:17 AM, Aneesh V <aneesh at ti.com> wrote:
> On Thursday 19 January 2012 12:23 PM, Sughosh Ganu wrote:
>>   Tried a few things on my end.
>>   * Read the D-cache value in the spl, and confirmed that the data
>>     cache is indeed not enabled.
> What is the value of the B bit in CP15 SCR register? I wonder if RBL is
> doing all the IMB operations required after copying the SPL image and
> before executing it. IMB is required for consistency between data and
> instruction sides.

Only if caches are used, right? Or also without caches?
Tom wrote that RBL does not turn on cache.
Regards, Christian


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