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AR# 47570

Zynq-7000 AP SoC, Boot Sys - SLCR Registers are not Locked upon Completion of the BootROM

Description

SLCR registers are not locked upon completion of the BootROM (when the BootROM gives control to the FSBL). Leaving the SLCR registers unlocked exposes them to being accidentally overwritten.

Solution

Impact:
Trivial. There is no functional impact.
Work-around:
Users can lock the SLCR registers early in the FSBL by writing 0x767B to the SLCR.SLCR_LOCK register.
Configurations Affected:
All.
Device Revision(s) Affected: Refer to (Xilinx Answer 47916) - Zynq-7000 Design Advisory Master Answer Record

Users can lock the SLCR registers early in the FSBL by writing 0x767B to the SLCR.SLCR_LOCK register.

AR# 47570
Date Created 05/24/2012
Last Updated 11/12/2012
Status Active
Type Design Advisory
Devices
  • Zynq-7000