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C-SKY CPU Bindings
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The device tree allows to describe the layout of CPUs in a system through
the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
defining properties for every cpu.
Only SMP system need to care about the cpus node and single processor
needn't define cpus node at all.
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cpus and cpu node bindings definition
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- cpus node
Description: Container of cpu nodes
The node name must be "cpus".
A cpus node must define the following properties:
- #address-cells
Usage: required
Value type: <u32>
Definition: must be set to 1
- #size-cells
Usage: required
Value type: <u32>
Definition: must be set to 0
- cpu node
Description: Describes one of SMP cores
PROPERTIES
- device_type
Usage: required
Value type: <string>
Definition: must be "cpu"
- reg
Usage: required
Value type: <u32>
Definition: CPU index
- compatible:
Usage: required
Value type: <string>
Definition: must contain "csky", eg:
"csky,610"
"csky,807"
"csky,810"
"csky,860"
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