Wiki

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Last revisionBoth sides next revision
resources:fpga:peripherals:jesd204:jesd204_troubleshooting [22 Apr 2021 08:36] – [Link is DISABLED, In Linux boot log following appears: axi-adxcvr-tx: QPLL: failed to find setting for lane rate ...] Laszlo Nagyresources:fpga:peripherals:jesd204:jesd204_troubleshooting [20 Dec 2021 08:09] – [Link status stays in CGS and SYNC~ de-asserts, subclass 1] Laszlo Nagy
Line 129: Line 129:
 ---- ----
  
-====Link status stays in CGS and SYNC~ de-asserts, subclass 1====+====Link status stays in CGS and SYNC~ is de-asserts====
 <WRAP center round box 100%> <WRAP center round box 100%>
-**Cause:**  Missing SYSREF at peripheral+**Cause:**  SYNC~ signal not connected correctly, pulled high 
 + 
 +**Identify:**   
 +#jesd_status 
 +or 
 +#grep "" /sys/bus/platform/devices/*.axi-jesd*/status* 
 +  Link status: CGS 
 +  SYNC~: deasserted 
 + 
 +**Fix:** Make sure SYNC~ is connected to the Link Transmit peripheral and is property driven. 
 +</WRAP> 
 + 
 +<WRAP center round box 100%> 
 +**Cause:**  Missing SYSREF at peripheral in subclass 1
  
 **Identify:**   **Identify:**  
resources/fpga/peripherals/jesd204/jesd204_troubleshooting.txt · Last modified: 20 Dec 2021 08:19 by Laszlo Nagy