Support timebase-frequency in the cpus node of the Device Tree. #2782
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modified: src/main/scala/diplomacy/Resources.scala modified: src/main/scala/subsystem/BaseSubsystem.scala
mbs0221
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hcook
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Feb 11, 2021
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Related issue: per-hart timebase-frequency
Type of change: feature request
Impact: API addition (no impact on existing code)
Currently the GNU/Linux kernel only support timebase-frequency in
cpusnode of the Device Tree. The compiled *.dtb file can not work well with the kernel. It will produceKernel panic - not syncing: 4RISC-V system with no 'timebase-frequency' in DTS. Thus we addtimebase-frequencyproperty incpusnode of the Device-Tree in addition to thecpunode. The panic do not appear in the booting stage now.Development Phase: implementation
Release Notes
To work well with the GNU/Linux kernel in booting stage, we add
timebase-frequencyincpusnode of the Device-Tree in addition to thecpunode.