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[POWERPC] ps3: add lpar addressing

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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>
This commit is contained in:
Geoff Levand
2006-11-23 00:46:57 +01:00
committed by Paul Mackerras
parent 2832a81df7
commit 261efc3f17
2 changed files with 17 additions and 0 deletions
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6
include/asm-powerpc/sparsemem.h
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@@ -9,8 +9,14 @@
* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
*/
#define SECTION_SIZE_BITS 24
#if defined(CONFIG_PS3_USE_LPAR_ADDR)
#define MAX_PHYSADDR_BITS 47
#define MAX_PHYSMEM_BITS 47
#else
#define MAX_PHYSADDR_BITS 44
#define MAX_PHYSMEM_BITS 44
#endif
#ifdef CONFIG_MEMORY_HOTPLUG
extern void create_section_mapping(unsigned long start, unsigned long end);