diff options
Diffstat (limited to 'arch/arm/include/asm/armv8/mmu.h')
| -rw-r--r-- | arch/arm/include/asm/armv8/mmu.h | 68 |
1 files changed, 31 insertions, 37 deletions
diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h index 0080ae6ff5..1c490dcd10 100644 --- a/arch/arm/include/asm/armv8/mmu.h +++ b/arch/arm/include/asm/armv8/mmu.h @@ -26,15 +26,9 @@ #define VA_BITS (42) /* 42 bits virtual address */ #else #define VA_BITS CONFIG_SYS_VA_BITS -#define PTL2_BITS CONFIG_SYS_PTL2_BITS +#define PTE_BLOCK_BITS CONFIG_SYS_PTL2_BITS #endif -/* PAGE_SHIFT determines the page size */ -#undef PAGE_SIZE -#define PAGE_SHIFT 16 -#define PAGE_SIZE (1 << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - /* * block/section address mask and size definitions. */ @@ -42,10 +36,21 @@ #define SECTION_SHIFT 29 #define SECTION_SIZE (UL(1) << SECTION_SHIFT) #define SECTION_MASK (~(SECTION_SIZE-1)) + +/* PAGE_SHIFT determines the page size */ +#undef PAGE_SIZE +#define PAGE_SHIFT 16 +#define PAGE_SIZE (1 << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + #else -#define BLOCK_SHIFT CONFIG_SYS_BLOCK_SHIFT -#define BLOCK_SIZE (UL(1) << BLOCK_SHIFT) -#define BLOCK_MASK (~(BLOCK_SIZE-1)) + +/* PAGE_SHIFT determines the page size */ +#undef PAGE_SIZE +#define PAGE_SHIFT 12 +#define PAGE_SIZE (1 << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + #endif /***************************************************************/ @@ -71,39 +76,28 @@ */ #ifdef CONFIG_SYS_FULL_VA -/* - * Level 1 descriptor (PGD). - */ -#define PTL1_TYPE_MASK (3 << 0) -#define PTL1_TYPE_TABLE (3 << 0) - -#define PTL1_TABLE_PXN (1UL << 59) -#define PTL1_TABLE_XN (1UL << 60) -#define PTL1_TABLE_AP (1UL << 61) -#define PTL1_TABLE_NS (1UL << 63) - - -/* - * Level 2 descriptor (PMD). - */ +#define PTE_TYPE_MASK (3 << 0) +#define PTE_TYPE_FAULT (0 << 0) +#define PTE_TYPE_TABLE (3 << 0) +#define PTE_TYPE_BLOCK (1 << 0) -#define PTL2_TYPE_MASK (3 << 0) -#define PTL2_TYPE_FAULT (0 << 0) -#define PTL2_TYPE_TABLE (3 << 0) -#define PTL2_TYPE_BLOCK (1 << 0) +#define PTE_TABLE_PXN (1UL << 59) +#define PTE_TABLE_XN (1UL << 60) +#define PTE_TABLE_AP (1UL << 61) +#define PTE_TABLE_NS (1UL << 63) /* * Block */ -#define PTL2_MEMTYPE(x) ((x) << 2) -#define PTL2_BLOCK_NON_SHARE (0 << 8) -#define PTL2_BLOCK_OUTER_SHARE (2 << 8) -#define PTL2_BLOCK_INNER_SHARE (3 << 8) -#define PTL2_BLOCK_AF (1 << 10) -#define PTL2_BLOCK_NG (1 << 11) -#define PTL2_BLOCK_PXN (UL(1) << 53) -#define PTL2_BLOCK_UXN (UL(1) << 54) +#define PTE_BLOCK_MEMTYPE(x) ((x) << 2) +#define PTE_BLOCK_NON_SHARE (0 << 8) +#define PTE_BLOCK_OUTER_SHARE (2 << 8) +#define PTE_BLOCK_INNER_SHARE (3 << 8) +#define PTE_BLOCK_AF (1 << 10) +#define PTE_BLOCK_NG (1 << 11) +#define PTE_BLOCK_PXN (UL(1) << 53) +#define PTE_BLOCK_UXN (UL(1) << 54) #else /* |