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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 13:05:57 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 13:05:57 -0700
commit932c37c375cca25175f9b6acee4c75d7a96d985f (patch)
treed7ba3620cd9a7a21c2de1bdfc7badd7637ed635e /arch/arm/mm/proc-macros.S
parentc855ff3718e5f667b463b20b9de516b4cd7625ad (diff)
parent805f53f085346b6765eda02820721a14ce0d644f (diff)
downloadtalos-op-linux-932c37c375cca25175f9b6acee4c75d7a96d985f.tar.gz
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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (28 commits) ARM: OMAP: Fix GCC-reported compile time bug ARM: OMAP: restore CONFIG_GENERIC_TIME ARM: OMAP: partial LED fixes ARM: OMAP: add SoSSI clock (call propagate_rate for childrens) ARM: OMAP: FB sync with N800 tree (support for dynamic SRAM allocations) ARM: OMAP: Sync framebuffer headers with N800 tree ARM: OMAP: Mostly cosmetic to sync up with linux-omap tree ARM: OMAP: Fix gpmc header ARM: OMAP: Add mailbox support for IVA [ARM] armv7: add Makefile and Kconfig entries [ARM] armv7: add support for asid-tagged VIVT I-cache [ARM] armv7: add dedicated ARMv7 barrier instructions [ARM] armv7: Add ARMv7 cacheid macros [ARM] armv7: add support for ARMv7 cores. [ARM] Fix ARM branch relocation range [ARM] 4363/1: AT91: Remove legacy PIO definitions [ARM] 4361/1: AT91: Build error ARM: OMAP: Sync core code with linux-omap ARM: OMAP: Sync headers with linux-omap ARM: OMAP: h4 must have blinky leds!! ...
Diffstat (limited to 'arch/arm/mm/proc-macros.S')
-rw-r--r--arch/arm/mm/proc-macros.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index 9e2c89eb2115..b13150052a76 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -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
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