Nios II Gen2 Migration Guide

ID 683388
Date 6/12/2015
Public

1.3.2. Qys settings for migrate Nios II Classic /s core to Nios II Gen2 /f core without using Tcl script

Unlike Nios II Classic, the Nios II Gen2 family does not have a standard /s core. The steps below describe how to configure a Nios II Gen2 /f core to have an equivalent feature set to the Nios II Classic /s core.

Figure 1. Nios II Gen2 Qsys Interface

In Qsys instantiate a Nios II Gen2 processor and open the processor configuration window. Select the following settings in the tabs:

Main tab:
  • Nios II Core: Select Nios II /f
Caches and Memory Interfaces tab:
  • Instruction cache: Select the size required
  • Data Cache: size = None
Advanced Features tab:
  • Branch prediction = Static