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| author | Olof Johansson <olof@lixom.net> | 2012-11-21 01:12:49 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-21 02:13:12 -0800 |
| commit | a33ee3e6949e244f9166a7f7e764886432304ecd (patch) | |
| tree | 257ae924259d68bea516f833c9728d596e7757b5 /arch/arm/mm | |
| parent | 06f31cb0f601728f24b85c51972eee6bdc94a1d1 (diff) | |
| parent | 52530343331dc111e0899bfc976f21ace5b5c95c (diff) | |
| download | linux-a33ee3e6949e244f9166a7f7e764886432304ecd.tar.bz2 | |
Merge tag 'highbank-debugll-cleanup' of git://sources.calxeda.com/kernel/linux into next/soc
From Rob Herring:
Use common debug_ll_init function and remove the static mapping code
from mach-highbank.
* tag 'highbank-debugll-cleanup' of git://sources.calxeda.com/kernel/linux:
ARM: highbank: use common debug_ll_io_init
ARM: implement debug_ll_io_init()
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 941dfb9e9a78..39719bb93caa 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); |