[Letux-kernel] 2GB vs. 4GB Pyra RAM tests

Matthijs van Duin matthijsvanduin at gmail.com
Mon Aug 14 16:54:17 CEST 2017


On 14 August 2017 at 16:13, Tony Lindgren <tony at atomide.com> wrote:
>> > 2. Configure interleaving
>> >
>> > Not sure if this is mandatory but needed for now it seems.
>>
>> It is desirable for performance.
>
> But also seemed necessary to have somehow based on brief my
> testing last night :)

Well, if highmem interleaving is disabled then the memory ranges are:
2G @ 0x80000000 (first GB of emif 0 and 1 interleaved)
1G @ 0x200000000 (second GB of emif 0)
1G @ 0x3c0000000 (second GB of emif 1)


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