Hello.
Laurent Lagrange wrote:
> I have a MPC8641 based board. I try to use the two PCIe controllers. My
> firmware configures (physically) the PCI buses as follow:
> ------------------+
> MPC8641 PCIe 1 | bus 1 +--------------+
> | --------------> | PCI device 0 |
> BUS 0 | +--------------+
> - - - - - - - - - +
> MPC8641 PCIe 2 | bus 3 +--------------+
> | --------------> | PCI device 1 |
> BUS 2 | +--------------+
> ------------------+
> I launch the Linux image (2.6.23.9). During the Kernel PCI configuration,
> buses behind the 2nd MPC8641 PCIe are skipped because its primary bus don't
> start at bus number 0. The kernel reconfigure the primary bus number of the
> MPC8641 PCIe 2 controller from 2 to 0.
Hm...
> I can patch the kernel to work with my firmware but I don't know if my PCI
> configuration is the good one.
> What is the common way to configure the PCI for Linux when a new controller
> is found: start the bus number to 0 or to the last bus number + 1?
The latter. Otherwise it just won't work.
WBR, Sergei
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