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[POWERPC] Generic DCR infrastructure

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This patch adds new dcr_map/dcr_read/dcr_write accessors for DCRs that
can be used by drivers to transparently address either native DCRs or
memory mapped DCRs. The implementation for memory mapped DCRs is done
after the binding being currently worked on for SLOF and the Axon
chipset. This patch enables it for the cell native platform

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2006-11-11 17:24:53 +11:00
committed by Paul Mackerras
parent 69108cf006
commit 4c75a6f441
9 changed files with 337 additions and 2 deletions
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11
arch/ppc/Kconfig
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@@ -77,9 +77,11 @@ config 6xx
config 40x
bool "40x"
select PPC_DCR_NATIVE
config 44x
bool "44x"
select PPC_DCR_NATIVE
config 8xx
bool "8xx"
@@ -95,6 +97,15 @@ endchoice
config PPC_FPU
bool
config PPC_DCR_NATIVE
bool
default n
config PPC_DCR
bool
depends on PPC_DCR_NATIVE
default y
config BOOKE
bool
depends on E200 || E500