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[ARM] armv7: add support for ARMv7 cores.

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This patch adds support for the ARMv7 cores.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas
2007-05-08 22:27:46 +01:00
committed by Russell King
parent 5b94f675f5
commit bbe888864e
8 changed files with 585 additions and 0 deletions
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12
arch/arm/mm/proc-macros.S
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@@ -59,3 +59,15 @@
.word \ucset
#endif
.endm
/*
* cache_line_size - get the cache line size from the CSIDR register
* (available on ARMv7+). It assumes that the CSSR register was configured
* to access the L1 data cache CSIDR.
*/
.macro dcache_line_size, reg, tmp
mrc p15, 1, \tmp, c0, c0, 0 @ read CSIDR
and \tmp, \tmp, #7 @ cache line size encoding
mov \reg, #16 @ size offset
mov \reg, \reg, lsl \tmp @ actual cache line size
.endm