I have a Sequoia board (440EPx) with kernel 2.6.27.9. I've recently
plugged in a PLX adapter board to convert one of the PCI connectors
on the Sequoia to PCIe.
When the kernel boots, I get the following error messages regarding
mem resource allocation. Device 0000:00:0c.0 is the PCI<->PCIe bridge,
and device 0000:01:00.0 is an FPGA PCIe evaluation board.
PCI host bridge /plb/p...@1ec000000 (primary) ranges:
MEM 0x0000000180000000..0x000000018fffffff -> 0x0000000080000000
IO 0x00000001e8000000..0x00000001e80fffff -> 0x0000000000000000
4xx PCI DMA offset set to 0x00000000
PCI: Probing PCI hardware
PCI: Hiding 4xx host bridge resources 0000:00:00.0
pci 0000:00:0c.0: PME# supported from D0 D1 D3hot
pci 0000:00:0c.0: PME# disabled
pci 0000:00:0c.0: BAR 8: can't allocate mem resource
[0x180000000-0x18fffffff]
pci 0000:01:00.0: BAR 1: can't allocate mem resource
[0x1f0000000-0x1ffffffff]
pci 0000:01:00.0: BAR 0: can't allocate mem resource
[0x180000000-0x18007ffff]
pci 0000:00:0c.0: PCI bridge, secondary bus 0000:01
pci 0000:00:0c.0: IO window: disabled
pci 0000:00:0c.0: MEM window: disabled
pci 0000:00:0c.0: PREFETCH window: disabled
Plain PCI cards plugged directly into the Sequoia work fine. Is there
something I have to add to the .dts file to represent the PCI<->PCIe
bridge?
Thanks,
Steve
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