diff options
| author | Haiying Wang <Haiying.wang@freescale.com> | 2015-08-08 11:25:02 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-07-14 10:09:10 (GMT) |
| commit | 1db43fbb418820912b41bc2105a6d9ad87438421 (patch) | |
| tree | 9c553a663c0675df9950ed4158d8a2d7a930ab2d /arch | |
| parent | ad8b9740a53990da8059c1f67ff241ec609a97a8 (diff) | |
| download | linux-1db43fbb418820912b41bc2105a6d9ad87438421.tar.xz | |
arm64/pgtable: add support to map cacheable and non shareable memory
Signed-off-by: Haiying Wang <Haiying.wang@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 |