From c4aa49df4dca6d41d3a7488cf582a0ab778ad06d Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 19 Sep 2014 01:28:24 +0530 Subject: ARC: Update comments about uncached address space Suggested-by: Noam Camus Signed-off-by: Vineet Gupta --- arch/arc/include/asm/cache.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arc') 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 @@ #define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) /* - * ARC700 doesn't cache any access in top 256M. + * ARC700 doesn't cache any access in top 1G (0xc000_0000 to 0xFFFF_FFFF) * Ideal for wiring memory mapped peripherals as we don't need to do * explicit uncached accesses (LD.di/ST.di) hence more portable drivers */ -- cgit v1.2.3-59-g8ed1b