Raspberry PI

Tim Kientzle tim at kientzle.com
Thu Nov 1 04:01:17 UTC 2012


On Oct 30, 2012, at 11:47 PM, Oleksandr Tymoshenko wrote:
> 
> On 2012-10-30, at 11:39 PM, Tim Kientzle <tim at kientzle.com> wrote:
> 
>> Has anyone looked at the memory size check?
>> 
>> I'm using the arm192_start.elf which should advertise
>> 192MB RAM.  But U-Boot is still coming up with
>> 128MB memory size, which it passes to ubldr, which
>> gets passed to the kernel.
> 
> It's hardcoded in by version u-boot. Stephen Warren is working on official branch
> of u-boot for Raspberry Pi (and pushing it to upstream) and he has a patch for
> proper memory size detection (align with several other patches):
> 
> http://www.mail-archive.com/u-boot@lists.denx.de/msg96641.html

I'll watch for that, then.

ubldr already gets the memory map information from U-Boot correctly,
and passes it to the kernel, so once U-Boot is fixed everything else
should follow.

… I need to go order a new RPi 512 now … ;-)

Tim



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