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authorHauke Mehrtens <hauke@hauke-m.de>2015-06-10 22:23:24 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-06-11 01:53:26 +0300
commitec3bd0e68a679a7af2c46af1ddc9af8b534a8b0e (patch)
treeffe9d99b2cfd8a25f557dd1908bafbbe2921a746 /Documentation/devicetree/bindings/arm/l2cc.txt
parent55af8a91640d362b20f2491336fce128c48f4079 (diff)
downloadlinux-ec3bd0e68a679a7af2c46af1ddc9af8b534a8b0e.tar.xz
ARM: 8391/1: l2c: add options to overwrite prefetching behavior
These options make it possible to overwrites the data and instruction prefetching behavior of the arm pl310 cache controller. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/l2cc.txt')
-rw-r--r--Documentation/devicetree/bindings/arm/l2cc.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/l2cc.txt b/Documentation/devicetree/bindings/arm/l2cc.txt
index 0dbabe9a6b0a..2251dccb141e 100644
--- a/Documentation/devicetree/bindings/arm/l2cc.txt
+++ b/Documentation/devicetree/bindings/arm/l2cc.txt
@@ -67,6 +67,11 @@ Optional properties:
disable if zero.
- arm,prefetch-offset : Override prefetch offset value. Valid values are
0-7, 15, 23, and 31.
+- prefetch-data : Data prefetch. Value: <0> (forcibly disable), <1>
+ (forcibly enable), property absent (retain settings set by firmware)
+- prefetch-instr : Instruction prefetch. Value: <0> (forcibly disable),
+ <1> (forcibly enable), property absent (retain settings set by
+ firmware)
Example: