[POWERPC] cell: enable RTAS-based PTCAL for Cell XDR memory

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Enable Periodic Recalibration (PTCAL) support for Cell XDR memory,
using the new ibm,cbe-start-ptcal and ibm,cbe-stop-ptcal RTAS calls.

Tested on QS20 and QS21 (by Thomas Huth). It seems that SLOF has
problems disabling, at least on QS20; this patch should only be
used once these problems have been addressed.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

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Jeremy Kerr 2007-04-23 21:35:47 +02:00 • committed by Arnd Bergmann

parent 9dd855a729

commit 150f7e3cfe

1 changed files with 160 additions and 0 deletions

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arch/powerpc/platforms/cell/ras.c

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