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AR# 67775

2016.2 - SDSoC - SD card instability on ZCU102

Description

There have been some card instability issues on SD cards of a class greater than 4, preventing the card from being mounted.

How can this be resolved?

Solution

The attached device tree can be used in the place of the normal ZCU102 device tree in the platform to eliminate instability issues with SD cards of a class greater than 4.

Previously, it was possible to boot Linux on higher speed SD cards, but the card itself could not be mounted as a usable file system once Linux was booted.

This replacement device tree addresses that issue, and should allow non class 4 SD cards to be mounted from a booted Linux.

Attachments

Associated Attachments

Name File Size File Type
system.dtb 27 KB DTB
AR# 67775
Date Created 08/26/2016
Last Updated 09/06/2016
Status Active
Type General Article
Devices
  • Zynq UltraScale+ MPSoC
Tools
  • SDSoC