diff options
Diffstat (limited to 'Documentation/devicetree/bindings/reserved-memory/ramoops.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/reserved-memory/ramoops.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt index b7886fea368c..b571ef6dab0f 100644 --- a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt +++ b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt @@ -42,8 +42,14 @@ Optional properties: - pmsg-size: size in bytes of log buffer reserved for userspace messages (defaults to 0: disabled) -- unbuffered: if present, use unbuffered mappings to map the reserved region - (defaults to buffered mappings) +- mem-type: if present, sets the type of mapping is to be used to map the + reserved region. mem-type: 0 = write-combined (default), 1 = unbuffered, + 2 = cached. + +- unbuffered: deprecated, use mem_type instead. If present, and mem_type is + not specified, it is equivalent to mem_type = 1 and uses unbuffered mappings + to map the reserved region (defaults to buffered mappings mem_type = 0). If + both are specified -- "mem_type" overrides "unbuffered". - max-reason: if present, sets maximum type of kmsg dump reasons to store (defaults to 2: log Oopses and Panics). This can be set to INT_MAX to |