How to access IO memory space correctly when Linux-2.2.14 running?

Hi all, I am programming a device driver on PLX9060 chipset, and want to config DMA controller by IO memory, but I find that can't access them in regular way,below are my codes. >cat /proc/pci Bus 0, device 16, function 0: Bridge: PLX Unknown device (rev 3). Vendor id=10b5. Devi

How to access IO memory space correctly when Linux-2.2.14 running?

Hi all, I am programming a device driver on PLX9060 chipset, and want to config DMA controller by IO memory, but I find that can't access them in regular way,below are my codes. >cat /proc/pci Bus 0, device 16, function 0: Bridge: PLX Unknown device (rev 3). Vendor id=10b5. Devi

How to access IO memory space when Linux-2.2.14 running?

Hi all, I am programming a device driver on PLX9060 chipset, and want to config DMA controller by IO memory, but I find that can't access them in regular way,below are my codes. >cat /proc/pci Bus 0, device 16, function 0: Bridge: PLX Unknown device (rev 3). Vendor id=10b5. Devi