Custom board based on PPC405 and PCI Graphic controler problem.

Alex Deucher alexdeucher at
Thu Mar 29 06:10:10 PDT 2007

On 3/29/07, powerpc440 <powerpc440 at> wrote:
> Michel Dänzer wrote:
> > On Wed, 2007-03-28 at 16:12 +0200, powerpc440 wrote:
> >
> >> I have a custom board, based on PowerPC ppc405ep CPU. On the board are 3 PCI
> >> devices: sATA, USB and PCI Slot. sATA, USB and PCI working already good, but
> >> still I have some troubles with a Graphic Controler on PCI slot. The graphic
> >> card is standard 3.3V PCI Radeon 7000. I have compile xorg 7.2, and try to
> >> start the X server with radeon driver. The X server starts, the monitor is
> >> found with the correct model, but no picture is appears. After several seconds
> >> the whole board freeze.
> >>
> >
> > The radeon drivers rely on the firmware for low-level initialization of
> > the card. Does it do that? Do you get a picture on bootup before the X
> > server starts?
> >
> >
> >
> Thank you for the answer!
> I don't have any firmware on the board. The boot loader (u-boot)
> initialize the units: CPU, Memory, PCI, etc., but does nothing with
> Graphic adapters. I can see only that, the video card is found on PCI
> bus ("lspci -v" give to me: Class 0380: 1002:5940 (rev 01) - Radeon 9200
> Pro). The very first interaction with the card is xorg's radeon driver.
> Now I see why no picture appears before or after X server starts.
> Are there any driver, or some another possibility, trough I can make
> graphic low-level initialization before X server or kernel fb device?
> Thank you in advance!

you might be able to post it with a vbe tool and x86emu.


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