TrustedFirmware Git Browser
Code Review Sign In
review.trustedfirmware.org / arm-firmware-crates / arm-generic-timer / c3d935a435ce425572da4ed154547234ecd9fac3
commitc3d935a435ce425572da4ed154547234ecd9fac3[log] [tgz]
authorImre Kis <imre.kis@arm.com>Fri Mar 27 16:25:11 2026 +0100
committerImre Kis <imre.kis@arm.com>Thu Apr 02 13:32:03 2026 +0200
treef054c05fb3b9bbb60aa714db18f7ebeefe98c8c2
parent5c5d6da062b6566a468a0574a36621d3deeba5ab [diff]
Add Timer abstraction layer

Introduce TimerInterface trait for accessing timer registers and
generic Timer logic.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I9c37a2e68369964f6a273ebf9139d8716ea8e5c4
1 file changed
tree: f054c05fb3b9bbb60aa714db18f7ebeefe98c8c2
  1. .github/
  2. src/
  3. .gitignore
  4. Cargo.lock
  5. Cargo.toml
  6. dco.txt
  7. LICENSE-Apache-2.0
  8. LICENSE-MIT
  9. README.md
README.md

Arm Generic Timer driver

Driver implementation for the memory mapped Generic Timer peripheral of the Arm A-profile architecture. The implementation is based on the following sections of the Arm Architecture Reference Manual for A-profile architecture.

  • I2.2.3 Counter module control and status register summary
  • I2.3 Memory-mapped timer components
  • I5.6 Generic Timer memory-mapped registers overview
  • I5.7 Generic Timer memory-mapped register descriptions

Implemented features

  • Register descriptions and drivers for the following frames:
    • CNTControlBase
    • CNTCTLBase
    • CNTReadBase
    • CNTBaseN
    • CNTEL0BaseN
  • Blocking and interrupt based timer wait functions.

License

The project is MIT and Apache-2.0 dual licensed, see LICENSE-APACHE and LICENSE-MIT.

Maintainers

arm-generic-timer is a trustedfirmware.org maintained project. All contributions are ultimately merged by the maintainers listed below.

Contributing

Please follow the directions of the Trusted Firmware Processes

Contributions are handled through review.trustedfirmware.org.

Arm trademark notice

Arm is a registered trademark of Arm Limited (or its subsidiaries or affiliates).

This project uses some of the Arm product, service or technology trademarks, as listed in the Trademark List, in accordance with the Arm Trademark Use Guidelines.

Subsequent uses of these trademarks throughout this repository do not need to be prefixed with the Arm word trademark.

Copyright The arm-generic-timer Contributors.