3 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index d2fedb5aeb1..b36f3654bf5 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -29,6 +29,7 @@ struct map_desc {
 #define MT_MEMORY_NONCACHED     11
 #define MT_MEMORY_DTCM          12
 #define MT_MEMORY_ITCM          13
+#define MT_MEMORY_SO            14
 
 #ifdef CONFIG_MMU
 extern void iotable_init(struct map_desc *, int);
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 5750704e027..f1956b27ae5 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -232,6 +232,9 @@ extern pgprot_t		pgprot_kernel;
 #define pgprot_writecombine(prot) \
         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE)
 
+#define pgprot_stronglyordered(prot) \
+        __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
+
 #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
 #define pgprot_dmacoherent(prot) \
         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 594d677b92c..ea9c9f3e48b 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -273,6 +273,14 @@ static struct mem_type mem_types[] = {
                 .prot_l1   = PMD_TYPE_TABLE,
                 .domain    = DOMAIN_KERNEL,
         },
+        [MT_MEMORY_SO] = {
+                .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
+                                L_PTE_MT_UNCACHED,
+                .prot_l1   = PMD_TYPE_TABLE,
+                .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S |
+                                PMD_SECT_UNCACHED | PMD_SECT_XN,
+                .domain    = DOMAIN_KERNEL,
+        },
 };
 
 const struct mem_type *get_mem_type(unsigned int type)