diff options
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 110295c5461d..d657777e75d7 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -186,6 +186,8 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define L_PTE_MT_DEV_NONSHARED (0x0c << 2) /* 1100 */ #define L_PTE_MT_DEV_WC (0x09 << 2) /* 1001 */ #define L_PTE_MT_DEV_CACHED (0x0b << 2) /* 1011 */ +#define L_PTE_MT_OUTER_UNCACHED (0x0d << 2) /* 1101 */ +#define L_PTE_MT_OUTER_WRITETHRU (0x0e << 2) /* 1110 */ #define L_PTE_MT_MASK (0x0f << 2) #ifndef __ASSEMBLY__ @@ -313,6 +315,19 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_UNCACHED) #define pgprot_writecombine(prot) \ __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_BUFFERABLE) +#define pgprot_writethru(prot) \ + __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_WRITETHROUGH) +#define pgprot_nonshareddev(prot) \ + __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_DEV_NONSHARED) + +/* Extended configurations for inner writeback cacheable */ +#define pgprot_writealloc(prot) \ + __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_WRITEALLOC) +#define pgprot_outer_wrthru(prot) \ + __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_OUTER_WRITETHRU) +#define pgprot_outer_noncached(prot) \ + __pgprot((pgprot_val(prot) & ~L_PTE_MT_MASK) | L_PTE_MT_OUTER_UNCACHED) + #define pmd_none(pmd) (!pmd_val(pmd)) #define pmd_present(pmd) (pmd_val(pmd)) |