FW: PCI Related issue please give us some solution

[Yogesh Kumar M]

Hi All,

          This is yogesh,we have a custom made board with

        1)MPC5200B(with host bridge support)
        2)PCI2PCI Bridge device from texas instruments TI2250 (PCI2250PCM)
        3)DM642 dsp based processor
        and other I/O devices like serial port,HDD interface,ethernet etc

        we have successfully ported U-BOOT 1.1.3 and linux-2.4.25 where all
resources are working fine we where able to commnuciate form HOST to TARGET
and from TARGET to HOST using PCI2PCI Bridge where MPC5200B is acting as
HOST and DM642 is TARGET

Now we have migrate from 2.4.25 to 2.6.11.7 where booting is happining but
we have problem in PCI where we are not able to do host to target or target
to host commnuciation we have added some fixup code for PCI but found
nothing useful

can you please tell what could be wrong and what is the major difference
2.4.25 to 2.6.11.7 pertaning to PCI

 find the attachment to the log files of both 2.4.25 and 2.6.11.7

please help out since we are struck with this problem for a long time.

when we tried 2.6.17.3 kernel source from kernel.org

we got the following log the kernel hangs after uncompressing
(LINUX-2.6.17.3)
/**********************log start**********************/
Filename 'uImage'.
Load address: 0x1000000
Loading:
        #################################################################
        #################################################################
        #################################################################
        ##########
done
Bytes transferred = 1045614 (ff46e hex)
## Booting image at 01000000 ...
   Image Name:   Linux-2.6.17.3
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    1045550 Bytes = 1021 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
## Transferring control to Linux (at address 00000000) ...

/***********************log end***********************/

could you please give us some some suggestions to overcome this issue



thanks
regards
yogesh

yogeshkumarm at tataelxsi.co.in
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