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authorGeoff Levand <geoffrey.levand@am.sony.com>2006-11-23 00:46:57 +0100
committerPaul Mackerras <paulus@samba.org>2006-12-04 20:40:52 +1100
commit261efc3f178c8c5b55d76208aee1f39ce247f723 (patch)
treef460915b8ea9c334100188b06974c0a34316c981 /arch/powerpc
parent2832a81df7f3cb7e7f912a256c156ddbd3450265 (diff)
downloadblackbird-op-linux-261efc3f178c8c5b55d76208aee1f39ce247f723.tar.gz
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[POWERPC] ps3: add lpar addressing
Adds some needed bits for a config option PS3_USE_LPAR_ADDR that disables the PS3 lpar address translation mechanism. This is a currently needed workaround for limitations in the design of the generic cell spu support. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/ps3/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index f023719f6459..451bfcd5502e 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -29,4 +29,15 @@ config PS3_DYNAMIC_DMA
This support is mainly for Linux kernel development. If unsure,
say N.
+config PS3_USE_LPAR_ADDR
+ depends on PPC_PS3 && EXPERIMENTAL
+ bool "PS3 use lpar address space"
+ default y
+ help
+ This option is solely for experimentation by experts. Disables
+ translation of lpar addresses. SPE support currently won't work
+ without this set to y.
+
+ If you have any doubt, choose the default y.
+
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