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AR# 69109

2017.1 Zynq UltraScale+ MPSoC: PMU firmware does not apply appropriate access controls to MMIO calls

Description

The PMU firmware does not apply appropriate access controls to MMIO calls made through the pm_mmio API.

Solution

No specific work-arounds are required as long as the software complies to the system configuration requirements and does not trigger accesses to registers of peripherals not owned by it.

For cases where specific restrictions need to be enforced, the MMIO access table in the PMU firmware sources (pm_mmio_access.c) can be edited to enforce them.

AR# 69109
Date 05/03/2017
Status Active
Type General Article
Devices
  • Zynq UltraScale+ MPSoC
Tools
  • Vivado Design Suite - 2017.1
  • PetaLinux - 2017.1
Boards & Kits
  • Zynq UltraScale+ MPSoC Boards and Kits
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