diff options
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 941dfb9..ce328c7 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -283,7 +283,7 @@ static struct mem_type mem_types[] = { }, [MT_MEMORY_SO] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_UNCACHED, + L_PTE_MT_UNCACHED | L_PTE_XN, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | PMD_SECT_UNCACHED | PMD_SECT_XN, @@ -488,7 +488,7 @@ static void __init build_mem_type_table(void) #endif for (i = 0; i < 16; i++) { - unsigned long v = pgprot_val(protection_map[i]); + pteval_t v = pgprot_val(protection_map[i]); protection_map[i] = __pgprot(v | user_pgprot); } @@ -876,6 +876,22 @@ static void __init pci_reserve_io(void) #define pci_reserve_io() do { } while (0) #endif +#ifdef CONFIG_DEBUG_LL +void __init debug_ll_io_init(void) +{ + struct map_desc map; + + debug_ll_addr(&map.pfn, &map.virtual); + if (!map.pfn || !map.virtual) + return; + map.pfn = __phys_to_pfn(map.pfn); + map.virtual &= PAGE_MASK; + map.length = PAGE_SIZE; + map.type = MT_DEVICE; + create_mapping(&map); +} +#endif + static void * __initdata vmalloc_min = (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET); |
