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author | Hauke Mehrtens <hauke@hauke-m.de> | 2015-06-10 22:23:24 +0300 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-06-11 01:53:26 +0300 |
commit | ec3bd0e68a679a7af2c46af1ddc9af8b534a8b0e (patch) | |
tree | ffe9d99b2cfd8a25f557dd1908bafbbe2921a746 /Documentation/devicetree/bindings/arm/l2cc.txt | |
parent | 55af8a91640d362b20f2491336fce128c48f4079 (diff) | |
download | linux-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.txt | 5 |
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: |