Problem with PCIe -> PCI bridge on MPC8377E-RDB

B.J. Buchalter bj at
Wed Aug 12 13:10:14 EST 2009

On Aug 11, 2009, at 9:43 PM, Kumar Gala wrote:

> On Aug 11, 2009, at 5:27 PM, B.J. Buchalter wrote:
>> So it seems like the XIO2000(A) is being misconfigured or  
>> misidentified, and rather than finding the configured bus behind  
>> the bridge, it is doing "something else", and as a result, not  
>> finding the PCI OHCI FireWire controller on the PCI side of the  
>> bridge.
>> Unfortunately I have no real idea where to start looking at this...
>> Any ideas? Or is there a better place to be posting about this?
> This is a reasonable place to post this.  Can you see what u-boot  
> reports for its PCI/e bus scan?


This is what u-boot says:

U-Boot 1.3.3 (Jun 19 2008 - 10:47:48) MPC83XX

Reset Status: Software Hard, External/Internal Soft, External/Internal  

CPU:   e300c4, MPC8377E, Rev: 1.0 at 666.666 MHz, CSB: 333.333 MHz
Board: Freescale MPC837xERDB
I2C:   ready
DRAM:  256 MB
PCIE0: Link
PCIE1: No link
NAND:  32 MiB
In:    serial
Out:   serial
Err:   serial
Net:   TSEC0, TSEC1
eSDHC: No SD/MMC card found
        SATA1 (No RDY)
Hit any key to stop autoboot:  0
=> set serverip
=> run tftpnfsboot

If there is additional information to be found, I'd be happy to  
collect it.

Best regards,

B.J. Buchalter

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