diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2014-09-18 15:58:24 -0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2014-10-13 05:16:16 -0400 |
| commit | c4aa49df4dca6d41d3a7488cf582a0ab778ad06d (patch) | |
| tree | fc0fd2172e6df54a8f179088206fb98d48378c54 /arch/arc | |
| parent | 1736a56f3d1d5765fa8953d39a900a494d7e415c (diff) | |
ARC: Update comments about uncached address space
Suggested-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/cache.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index b3c750979aa1..7861255da32d 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h | |||
| @@ -20,7 +20,7 @@ | |||
| 20 | #define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) | 20 | #define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) |
| 21 | 21 | ||
| 22 | /* | 22 | /* |
| 23 | * ARC700 doesn't cache any access in top 256M. | 23 | * ARC700 doesn't cache any access in top 1G (0xc000_0000 to 0xFFFF_FFFF) |
| 24 | * Ideal for wiring memory mapped peripherals as we don't need to do | 24 | * Ideal for wiring memory mapped peripherals as we don't need to do |
| 25 | * explicit uncached accesses (LD.di/ST.di) hence more portable drivers | 25 | * explicit uncached accesses (LD.di/ST.di) hence more portable drivers |
| 26 | */ | 26 | */ |