From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Pipkin Date: Tue, 02 Dec 2003 18:51:31 -0600 Subject: [U-Boot-Users] Data abort during type 0 pci scan Message-ID: <3FCD3393.9080905@inet.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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. ------------------------------------------------------------------------