diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/mmu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 99b47b950efc..9f0610243bd6 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -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); |