750/107 - PCI or Interrupt problem? - FIXED

Richard Danter richard.danter at windriver.com
Tue Aug 5 21:03:25 EST 2003

Hi all,

FYI, fixed it - it was an incorrect IRQ number pci_irq_table. :)


Richard Danter wrote:
> Hi All,
> I have made some progress in porting Linux 2.4.x to a wrPPMC7xx board.
> Yipee!
> But now I have hit another problem...
> It seems the kernel finds the ethernet card plugged into one of the PCI
> slots. All the diagnostics seem to work too. In fact, it even sends out
> a BOOTP request, as I can see it logged on my server.
> The problem is it does not seem to be getting the BOOTP reply. It
> eventually times out. But I can see from my server that a reply is being
> sent.
> At the moment I think the problem is most likely in my <board>_pci.c
> code or <board>_setup.c. I don't get any hardware interrupts (ie setting
> a hardware breakpoint on 0x0500 does not stop the CPU) and I would have
> expected that... or am I way off track here?? I am also unsure if I have
> set up my pci_irq_table or <board>_openpic_initsenses structures correctly.
> Any suggestions where I should be looking in the code??
> Hopefully if this part works then I get an IP address and can mount my
> NFS root filesystem...
> Thanks
> Rich


Richard Danter
Product Specialist - Tools
EMEA Customer Support Team

Wind River UK Ltd.
Freephone: 00 800 4977 4977
e-mail: support-uk at windriver.com

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