b8a05116ed
The qti sc7280 platform uses the pmk7325 PMIC, which has the same functionality as the pm8998 driver, with the exception of the LC PON register offsets, which are defined as: Since it is nearly identical to the pm8998 driver, moving the above register offset definitions to platform_def.h for the respective SoC and reusing the rest of the functions defined in the pm8998 driver. Renaming pm8998 driver to pm_ps_hold to make it more generic. Change-Id: I0dda3a54579e0bbdd42c247405362a86d0607478 Signed-off-by: Shelley Chen <shchen@chromium.org> |
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readme.rst
Trusted Firmware-A
Trusted Firmware-A (TF-A) is a reference implementation of secure world software for Arm A-Profile architectures (Armv8-A and Armv7-A), including an Exception Level 3 (EL3) Secure Monitor. It provides a suitable starting point for productization of secure world boot and runtime firmware, in either the AArch32 or AArch64 execution states.
TF-A implements Arm interface standards, including:
- Power State Coordination Interface (PSCI)
- Trusted Board Boot Requirements CLIENT (TBBR-CLIENT)
- SMC Calling Convention
- System Control and Management Interface (SCMI)
- Software Delegated Exception Interface (SDEI)
The code is designed to be portable and reusable across hardware platforms and software models that are based on the Armv8-A and Armv7-A architectures.
In collaboration with interested parties, we will continue to enhance TF-A with reference implementations of Arm standards to benefit developers working with Armv7-A and Armv8-A TrustZone technology.
Users are encouraged to do their own security validation, including penetration testing, on any secure world code derived from TF-A.
More Info and Documentation
To find out more about Trusted Firmware-A, please view the full documentation that is available through trustedfirmware.org.
Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.