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authorPrasad Sodagudi <psodagud@codeaurora.org>2015-07-28 10:01:04 +0530
committerSrinivas Ramana <sramana@codeaurora.org>2016-11-01 18:02:29 +0530
commit488460b4152924659d24d4a8e7043ec4568a4738 (patch)
tree808e29d18291d417eba85b62691d6e42296d14f5 /Documentation
parent0645a625acf8a125df3e8867457eab9b20ba9f83 (diff)
ARM: dts: msm: Add qcom,dump-size entry for dumping CPU L1/L2 caches
Update arm cache documentation about qcom,dump-size to dump the CPU L1/L2 caches in order to analyze data corruption. Change-Id: Ia9350b9c7810db7eb900957b4ce5dac046ab5e0d Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org> Signed-off-by: Patrick Daly <pdaly@codeaurora.org> Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/cache.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/cache.txt b/Documentation/devicetree/bindings/arm/cache.txt
index b27cedf485f8..a9594f026506 100644
--- a/Documentation/devicetree/bindings/arm/cache.txt
+++ b/Documentation/devicetree/bindings/arm/cache.txt
@@ -64,6 +64,14 @@ This document provides the device tree bindings for ARM architected caches.
bindings of power controller specified by the
phandle [5].
+ - qcom,dump-size
+ Usage: Optional
+ Value type: <integer>
+ Definition: The memory size needed to contain a copy of the
+ cache data and associated tag ram.
+ size = nways * nsets * (bytes per cache line +
+ bytes tag ram per line)
+
Example(dual-cluster big.LITTLE system 32-bit)
cpus {