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ARC: Update comments about uncached address space

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Suggested-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2014-09-19 01:28:24 +05:30
parent 1736a56f3d
commit c4aa49df4d
1 changed files with 1 additions and 1 deletions
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arch/arc/include/asm/cache.h
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@ -20,7 +20,7 @@
#define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) #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 * Ideal for wiring memory mapped peripherals as we don't need to do
* explicit uncached accesses (LD.di/ST.di) hence more portable drivers * explicit uncached accesses (LD.di/ST.di) hence more portable drivers
*/ */