-----Original Message----- From: Prathima_Kolar Sent: Thursday, January 27, 2005 07:08 I am working on an 8266 based PCI Mezzanine Card. I could not find any information on the PCI interrupt controller and how it is being used.

Th MPC8266 has an external PCI interrupt controller located in an FPGA. It muxes all PCI interrupt into one IRQ line going to the CPU. It basically has two registers, one tells which PCI interrupt has been triggered, the other masks the interrupt.

Get the documentation for the MPC8266ADS board from Freescale.