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-rw-r--r--arch/arm/mm/mmu.c7
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
237static struct mem_type mem_types[] = { 238static 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.