Patch for HW ZQ on i.MX6

Document created by JayTu Employee on Jul 13, 2017Last modified by ebiz_ws_prod on Dec 13, 2017
Version 5Show Document
  • View in full screen mode

Issue description:

ZQ calibration issue with LPDDR2 memory with two chip selects 

 

Micron has verified it on my customer's board with i.MX6Q. (ECT-SYT-1163 for FIC.pdf)

The patch is made based on lp 5.1, see attachment.

Original Attachment has been moved to: 0001-Adds-ZQCL-when-resume.patch.zip

Original Attachment has been moved to: uboot-0001-disable-HW-auto-ZQCS-and-ZQCL-for-violating-JEDEC-sp.patch.zip

Original Attachment has been moved to: 0002-Enable-software-workaround-for-HW-ZQ.patch.zip

Attachments

Outcomes