AR# 69381

2017.2 Zynq UltraScale+ MPSoC: U-boot 'sf test' command failed for QSPI x4 at 100Mhz

Description

When operating at 100MHZ 4-bit mode in u-boot (sf probe 0 100000000), the test command (sf test 0x2000000 0x80000) fails.

When tested in 4-bit mode with 50HZ QSPI frequency, sf tests are working fine. 1-bit and 2-bit test are also working at 100MHz.

Solution

To resolve this issue, the attached patches need to be applied.

Attachments

Associated Attachments

AR# 69381
Date 06/30/2017
Status Active
Type General Article
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