From 1db43fbb418820912b41bc2105a6d9ad87438421 Mon Sep 17 00:00:00 2001 From: Haiying Wang Date: Sat, 8 Aug 2015 07:25:02 -0400 Subject: arm64/pgtable: add support to map cacheable and non shareable memory Signed-off-by: Haiying Wang Signed-off-by: Stuart Yoder diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 61e2140..b8c876f 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -356,6 +356,11 @@ static inline int pmd_protnone(pmd_t pmd) __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRnE) | PTE_PXN | PTE_UXN) #define pgprot_writecombine(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN) +#define pgprot_cached(prot) \ + __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL) | \ + PTE_PXN | PTE_UXN) +#define pgprot_cached_ns(prot) \ + __pgprot(pgprot_val(pgprot_cached(prot)) ^ PTE_SHARED) #define pgprot_device(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_PXN | PTE_UXN) #define __HAVE_PHYS_MEM_ACCESS_PROT -- cgit v0.10.2