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Add support for arm64 to the existing arm generic timer driver:

Description

Add support for arm64 to the existing arm generic timer driver:

  • Add macros to handle the differences in accessing these registers on arm and arm64.
  • Use the fdt data to detect if we are on an ARMv7 or ARMv8.
  • Use the virtual timer by default on arm64, we may not have access to the physical timer.

Differential Revision: https://reviews.freebsd.org/D2208
Reviewed by: emaste
Sponsored by: The FreeBSD Foundation

Details

Provenance
andrewAuthored on
Reviewer
emaste
Differential Revision
D2208: Add support for arm64 to the arm generic timer driver
Parents
rS281071: Remove useless initialization.
Branches
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