diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/mmu_32.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/arch/arm/cpu/mmu_32.c b/arch/arm/cpu/mmu_32.c index c4e5a3bb0a..14775768a3 100644 --- a/arch/arm/cpu/mmu_32.c +++ b/arch/arm/cpu/mmu_32.c @@ -461,19 +461,14 @@ static int set_vector_table(unsigned long adr) static void create_zero_page(void) { - struct resource *zero_sdram; + /* + * In case the zero page is in SDRAM request it to prevent others + * from using it + */ + request_sdram_region("zero page", 0x0, PAGE_SIZE); - zero_sdram = request_sdram_region("zero page", 0x0, PAGE_SIZE); - if (zero_sdram) { - /* - * Here we would need to set the second level page table - * entry to faulting. This is not yet implemented. - */ - pr_debug("zero page is in SDRAM area, currently not supported\n"); - } else { - zero_page_faulting(); - pr_debug("Created zero page\n"); - } + zero_page_faulting(); + pr_debug("Created zero page\n"); } /* @@ -530,8 +525,6 @@ void __mmu_init(bool mmu_on) pr_debug("ttb: 0x%p\n", ttb); - vectors_init(); - /* * Early mmu init will have mapped everything but the initial memory area * (excluding final OPTEE_SIZE bytes) uncached. We have now discovered @@ -552,6 +545,8 @@ void __mmu_init(bool mmu_on) remap_range((void *)pos, bank->start + bank->size - pos, MAP_CACHED); } + + vectors_init(); } /* |