[U-Boot] Problem with PCI Express connecting 2 MPC8544

[Swarthout Edward L-SWARTHOU]

From: sardamaxima
> 
> In the first processor (configured as RC) I get the following 
...
> ...PCIE LTSSM=0x16, Negotiated link width=1

Good.

>                Scanning PCI bus 01
>     PCIE1 on bus 00 - 01 

... 
 
>  In the second processor (configured as EP) I get the 
> following output:
> "
> ...
>    pci_init_board: devdisr=7000008, io_sel=2, host_agent=5
> 
>    PCIE1 connected to Slot2 as End Point (base address e000a000)
>                 Scanning PCI bus 00
>  PCI Scan: Found Bus 0, Device 1, Function 0
>         00  01  1957  0033  0b20  00
> ...
> "
>  Here i am using an old version of u-boot (1.3.0-rc3). 

Since this is an old u-boot, it might not be setting CFG_READY.
If this is not set, the end point won't be seen.

Check PEX_CFG_READY with: "pci d 0.0 4b0 1"

-Ed