[linux-cirrus] Reasons for AHB and APB virtual memory remapping?
- From: "Breton M. Saunders" <breton.saunders@xxxxxxxxxxxx>
- To: linux-cirrus@xxxxxxxxxxxxx
- Date: Sat, 02 Dec 2006 23:29:59 +0000
Hi Folks,
Can someone explain why the AHB and APB registers have been remapped
from their normal 0x80000000 and 0x80800000 to 0xe0000000 and 0xe0800000
in the unofficial kernel?
This mapping is incompatible with the TS-7400 board as its second
bank of SDRAM appears at 0xe0000000 - surprisingly the machine still
boots; however loading the ethernet driver causes a kernel panic.
I have remapped the registers back to their original locations and
this seems to work fine.
Cheers,
-Brett
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