iovmm: IVA2 MMU range is from 0x11000000 to 0xFFFFFFFF

Commit Message

Guzman Lugo, Fernando Oct. 7, 2010, 6:43 p.m. UTC

None

Patch

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);