diff options
Diffstat (limited to 'arch/mips/include/asm/mach-cavium-octeon')
| -rw-r--r-- | arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index b952fc7215e2..c84ed74e3c8a 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -81,4 +81,10 @@ static inline int octeon_has_saa(void) return id >= 0x000d0300; } +/* + * The last 256MB are reserved for device to device mappings and the + * BAR1 hole. + */ +#define MAX_DMA32_PFN (((1ULL << 32) - (1ULL << 28)) >> PAGE_SHIFT) + #endif |