[ixp1200] unable to boot linux on Radisys ENP-2505 (IXP1200Rev C0)

[Koert Vlaeminck]

Hi,

Can you send me the configuration of your dip switches? Just to make sure I
didn't make a mistake...

Thx,
Koert

----- Original Message -----
From: "Øyvind Hvamstadøyvind Hvamstad" <oyvindh at ifi.uio.no>
To: <ixp1200 at CS.Princeton.EDU>
Sent: Tuesday, July 08, 2003 11:03 AM
Subject: Re: [ixp1200] unable to boot linux on Radisys ENP-2505 (IXP1200Rev
C0)


> Hi, I'm also running the ENP-2505 board on a 32-bit pci bus, and I
> experienced no problems of this kind. (Not that it helps you)
>
> On Fri, 2003-07-04 at 15:25, Koert Vlaeminck wrote:
> > Hi,
> >
> > I've been trying to boot a linux kernel on a Radisys ENP-2505 board for
> > some time now. I double-checked just about every software component
> > required, but nothing seemed to resolve my problem. The board reports
> > 'Booting Linux...' and then simply hangs or reboots.
> > Finally I started comparing the content of /dev/bv (using
> > hexdump/hexedit) and the actual content of the IXP memory (using
> > dump/mem in cygmon). If I write a block of 64 bit to /dev/bv on address
> > 0x04008000, only the first 4 bytes (4008000 tot 4008003) are updated,
> > while the last 4 bytes (4008004 to 4008007) become 0. This probably has
> > something to do with the fact that we use the 64bit Radisys ENP-2505
> > board (IXP1200 Rev C0) on a 32bit PCI system, although we disabled the
> > 64bit PCI extension using the dip switches on the board.
> > However, when we write directly to the IXP memory, all values are
> > updated correctly in /dev/bv.
> > So in summary:
> > * writing from host PC to IXP memory: lower 32 bits of each 64bit block
> > are updated correctly, while the higher 32 bits become 0.
> > * writing to the IXP memory on the cygmon console and then reading its
> > contents through /dev/bv: everything is correct.
> > * 64bit Radisys board is on a 32bit PCI system with the 64bit PCI
> > extension dip switch disabled! (I also tried enabling it, hoping the
> > label was wrong, but that didn't change anything)
> >
> > Do you know of any driver issues regarding this problem? Any suggestions
> > on how to solve it? I tried two seperate ENP-2505 boards and both have
> > the same problem, so I think it's not a hardware problem. And 32bit PCI
> > busses are supported according to the hardware reference.
> >
> > TIA
> >
>