Hi Jon,
Jon Ringle wrote:
I am working on a new board that will have Linux running on an xscale
processor. This board will be a PCI Option device. I currently have a IXDP465
eval board which has a PCI Option connector that I will use for prototyping.
From what I can tell so far, Linux wants to scan the PCI bus for devices as
if it is the PCI host. Is there any provision in Linux so that it can take on
the role of a PCI option rather than a PCI host?
Have a look at the code in arch/arm/mach-ixp4xx/common-pci.c, in
the function ixp4xx_pci_preinit().
It does a check on whether the PCI bus is configured as HOST or not.
I don't know if that code support is enough for it all to work right
though (I certainly haven't tried it on either the 425 or 465...)
Regards
Greg
------------------------------------------------------------------------
Greg Ungerer -- Chief Software Dude EMAIL: [email protected]
SnapGear -- a CyberGuard Company PHONE: +61 7 3435 2888
825 Stanley St, FAX: +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com
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