diff options
Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r-- | arch/arm/mm/mmu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 4f08c133cc25..a623cb3ad012 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c | |||
@@ -232,12 +232,16 @@ __setup("noalign", noalign_setup); | |||
232 | #endif /* ifdef CONFIG_CPU_CP15 / else */ | 232 | #endif /* ifdef CONFIG_CPU_CP15 / else */ |
233 | 233 | ||
234 | #define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN | 234 | #define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN |
235 | #define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE | ||
235 | #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE | 236 | #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE |
236 | 237 | ||
237 | static struct mem_type mem_types[] = { | 238 | static struct mem_type mem_types[] = { |
238 | [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ | 239 | [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ |
239 | .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | | 240 | .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | |
240 | L_PTE_SHARED, | 241 | L_PTE_SHARED, |
242 | .prot_pte_s2 = s2_policy(PROT_PTE_S2_DEVICE) | | ||
243 | s2_policy(L_PTE_S2_MT_DEV_SHARED) | | ||
244 | L_PTE_SHARED, | ||
241 | .prot_l1 = PMD_TYPE_TABLE, | 245 | .prot_l1 = PMD_TYPE_TABLE, |
242 | .prot_sect = PROT_SECT_DEVICE | PMD_SECT_S, | 246 | .prot_sect = PROT_SECT_DEVICE | PMD_SECT_S, |
243 | .domain = DOMAIN_IO, | 247 | .domain = DOMAIN_IO, |
@@ -508,7 +512,8 @@ static void __init build_mem_type_table(void) | |||
508 | cp = &cache_policies[cachepolicy]; | 512 | cp = &cache_policies[cachepolicy]; |
509 | vecs_pgprot = kern_pgprot = user_pgprot = cp->pte; | 513 | vecs_pgprot = kern_pgprot = user_pgprot = cp->pte; |
510 | s2_pgprot = cp->pte_s2; | 514 | s2_pgprot = cp->pte_s2; |
511 | hyp_device_pgprot = s2_device_pgprot = mem_types[MT_DEVICE].prot_pte; | 515 | hyp_device_pgprot = mem_types[MT_DEVICE].prot_pte; |
516 | s2_device_pgprot = mem_types[MT_DEVICE].prot_pte_s2; | ||
512 | 517 | ||
513 | /* | 518 | /* |
514 | * ARMv6 and above have extended page tables. | 519 | * ARMv6 and above have extended page tables. |