omap iommu: add TLB preservation support
This patch adds TLB preservation support to IOMMU module
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index d29ebff..e82da68 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c
@@ -147,6 +147,7 @@
printk("\n");
iommu_write_reg(obj, stat, MMU_IRQSTATUS);
+ omap2_iommu_disable(obj);
return stat;
}
@@ -212,7 +213,8 @@
char *p = buf;
/* FIXME: Need more detail analysis of cam/ram */
- p += sprintf(p, "%08x %08x\n", cr->cam, cr->ram);
+ p += sprintf(p, "%08x %08x %01x\n", cr->cam, cr->ram,
+ (cr->cam & MMU_CAM_P) ? 1 : 0);
return p - buf;
}