Error: Domain Error: Argument not in valid range while parameterizing Nios II/f Cores in Qsys

Description

The following error can occur in Qsys within the Quartus® Prime software while parameterizing a Nios II/f processor with a peripheral region set to 2 Gigabytes. The problem will persist even if the data cache is turned off.

Error: unsaved.: domain error: argument not in valid range

    while executing

"expr int(ceil(log($NUMBER)/log(2)))"

    (procedure "proc_num2sz" line 10)

    invoked from within

"proc_num2sz $ioregionsize "

    (procedure "sub_validate_check_module" line 774)

    invoked from within

"sub_validate_check_module"

    (procedure "validate_process" line 4)

    invoked from within

"validate_process"

    (procedure "validate" line 9)

    invoked from within

"validate"

Resolution

If a peripheral region of 2 Gigabytes is required, check the box to “Use most-significant address bit in processor to bypass data cache”, map the peripherals in this region, and set the Peripheral Region size to None. Please note, a data cache of some size must be enabled to change the Peripheral Region size.

This problem is scheduled to be fixed is a future version of the Quartus® Prime software.