[Skiboot] [PATCH] mambo: Make POWER9 look like DD2

Stewart Smith stewart at linux.vnet.ibm.com
Fri Sep 16 16:31:32 AEST 2016

Michael Neuling <mikey at neuling.org> writes:
> In a recent Linux (next) change we added support for Radix Tree Size
> (RTS) encodings for different POWER9 revs. Linux commit:
>   commit 694c4951922d114e789f669deb409b2aef440ae9
>   Author: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
>   Date:   Wed Aug 24 15:03:37 2016 +0530
>   powerpc/mm/radix: Use different RTS encoding for different POWER9 revs
> In mambo, we support the DD2 encoding of RTS but the PVR we advertise
> is DD1.  Hence Linux uses the wrong RTS encoding and we don't boot.
> This fixes mambo to use the POWER9 DD2 PVR encoding.
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> ---
>  external/mambo/skiboot.tcl | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Looks good, merged to master as of 3e86c08abe79ba2497b193f7931d35af8e2a545c

Stewart Smith
OPAL Architect, IBM.

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