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authorJeremy Kerr <jk@ozlabs.org>2006-11-11 09:25:18 +0300
committerPaul Mackerras <paulus@samba.org>2006-12-04 12:39:02 +0300
commit165785e5c0be3ad43e8b8eadfbd25e92c2cd002a (patch)
treee582b911574b193544aa3aaf5527fd9311d3c108 /arch/powerpc/sysdev/dart_iommu.c
parentacfd946a1aaffdec346c2864f596d4d92125d1ad (diff)
downloadlinux-165785e5c0be3ad43e8b8eadfbd25e92c2cd002a.tar.xz
[POWERPC] Cell iommu support
This patch adds full cell iommu support (and iommu disabled mode). It implements mapping/unmapping of iommu pages on demand using the standard powerpc iommu framework. It also supports running with iommu disabled for machines with less than 2GB of memory. (The default is off in that case, though it can be forced on with the kernel command line option iommu=force). Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index ac784bb57289..1488535b0e13 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -48,9 +48,6 @@
#include "dart.h"
-extern int iommu_is_off;
-extern int iommu_force_on;
-
/* Physical base address and size of the DART table */
unsigned long dart_tablebase; /* exported to htab_initialize */
static unsigned long dart_tablesize;