Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Cyclone IV Hard IP and MSI generation

I want to generate MSI's from the Cyclone IV Transciever Development Kit board ... searches indicate the PCIe Compiler can help but I have never had success in generation or modifying the existing P...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I may try to answer this myself, since a MSI is a write to a given address with some payload, I can't se anything special required to generate the MSI except to create a CRA translation entry to translate the NIOS II write to the RC interrupt controller instead of to the RC DDR address.

The component mentioned may be a dedicated Master with the req / ack hooks required for some other hardware block to launch the interrupt.