Device Family: Intel® Agilex™, Intel® Stratix® 10

Intel Software: Quartus Prime Pro

Type: Answers

Area: Component


Last Modified: November 02, 2020
Version Found: v20.3
Bug ID: 1508304288

Why is the Mailbox Client Intel® FPGA IP command returning 0x3FF when multiple instances of this IP are used in Intel® Stratix® 10 and Intel® Agilex™ devices?

Description

Due to a problem in Intel® Quartus® Prime Pro Edition software version 20.3, when multiple instances of the Mailbox Client Intel® FPGA IP are trying to perform QSPI write operations at the same time in Intel® Stratix® 10 or Intel® Agilex™ devices, the IP command returns 0x3FF instead of 0x1FF.

Workaround/Fix

To prevent this error, do not perform QSPI write operations at the same time with multiple Mailbox Client Intel® FPGA IP.

 

This problem is scheduled to be fixed in future release of Intel® Quartus® Prime Pro Edition software.