Following up on the previous blog post about setting up the free MicroBlaze MCS soft processor for use with the Papilio we have Jim’s second tutorial showing how to attach a peripheral to MicroBlaze MCS. In the tutorial he shows how to attach a PWM core to the GPIO pins of the MicroBlaze MCS for some LED brightness control.
Jim’s next goal is to attach Peripherals to an IO bus such as the OPB bus, or even better, the open source Wishbone bus. This forum thread seems to say that it should be very easy to connect Wishbone peripherals to an OPB master. If that is the case, it would be very cool to add the MicroBlaze MCS soft processor to the Papilio Schematic Library and set it up so all the Wishbone peripherals could be connected to it!