powerpc/4xx: Extended DCR support v2
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 18 Dec 2008 19:13:22 +0000 (19:13 +0000)
committerPaul Mackerras <paulus@samba.org>
Sun, 21 Dec 2008 03:21:15 +0000 (14:21 +1100)
commit6d2170be4561293a6aa821c773687bd3f18e8206
treeb267fb2405c6029dcc7958c5786699741064e43f
parentfecba96268fc48ab9b4a016356a8f2371df25e64
powerpc/4xx: Extended DCR support v2

This adds supports to the "extended" DCR addressing via the indirect
mfdcrx/mtdcrx instructions supported by some 4xx cores (440H6 and
later).

I enabled the feature for now only on AMCC 460 chips.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/include/asm/cputable.h
arch/powerpc/include/asm/dcr-native.h
arch/powerpc/kernel/cputable.c
arch/powerpc/sysdev/dcr-low.S