Hi Sascha,
On 24/02/2011 09:39, Sascha Hauer wrote:
On Wed, Feb 23, 2011 at 09:34:46PM +0100, Eric Benard wrote:
Hi,
has anyone recently tested barebox master on a babbage board with
MMU enabled ? Here (not on a babbage, with a TO2 i.MX515 with 1 bank
of DDR2), enabling MMU crash the board (which works fine with
barebox with MMU disabled and with Linux 2.6.38-rc6 so the hardware
seems not to be the root of the problem).
The memory space of the i.MX51 is a bit tight. It may be that you shadow
registers with the dma coherent memory space. Can you please post your
mmu setup code sniplet?
The babbage works with mmu enabled.
OK so the problem is on my side. For the moment the mmu part is the one of the
babbage. But I must investigate as I only have one DDR2 bank on this board
(for a 256MB total size) when the babbage has 2 (for a 512MB total size).
Thanks,
Eric
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