[PATCH] iovmm: IVA2 MMU range is from 0x11000000 to 0xFFFFFFFF

From: Fernando Guzman Lugo
Date: Thu Oct 07 2010 - 14:30:19 EST


IV2 MMU capable addresses start from 0x11000000

Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx>
---
arch/arm/plat-omap/iovmm.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 75965a1..c0344f4 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -286,7 +286,12 @@ static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da,
/*
* Reserve the first page for NULL
*/
- start = PAGE_SIZE;
+ if (!strcmp(obj->name, "iva2"))
+ /* IVA2 MMU control starts from 0x11000000 */
+ start = 0x11000000;
+ else
+ start = PAGE_SIZE;
+
if (flags & IOVMF_LINEAR)
alignement = iopgsz_max(bytes);
start = roundup(start, alignement);
--
1.6.3.3

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