Hello,
I am attempting to setup the pci_controller device for my target board. PCI Type 0 configuration addresses are directly mapped into local memory so I am not using the indirect method. I have routed everything to be dword accessed like board/dave/common/pci.c:189 It appears that the pci_hose_scan_bus uses type 1 addresses when scanning the pci bus. In my read_dword: and write_dword I convert the dev (type 1 address) into an appropriate type 0 address.
Is this the correct method for doing type0 scanning ?
In addition, the ixp2800 processor will data abort when scanning a type 0 address that is not present. In our simple bootloader we implemented the data abort handler to catch these exceptions and continue to scan. I have not been able to find an example in the uboot code of a data abort that is anything but fatal.
Has anyone else run into this ?
Thanks.
------------------------------------------------------------------------ Confidentiality Notice: This e-mail transmission may contain confidential and/or privileged information that is intended only for the individual or entity named in the e-mail address. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or reliance upon the contents of this e-mail message is strictly prohibited. If you have received this e-mail transmission in error, please reply to the sender, so that proper delivery can be arranged, and please delete the message from your computer. Thank you. Inet Technologies, Inc. ------------------------------------------------------------------------