powerpc 440 monitor program

Olof Johansson olof at lixom.net
Sat Oct 20 02:45:01 EST 2007

On Fri, Oct 19, 2007 at 11:32:33AM +0800, Bai Shuwei wrote:
> all,
>     hi, when I boot my system, there are no output on the screen.
> I choice the framebuffer and my monitor card is ATI PAGE 128 PCI, qt/e GUI.
> When i compile the kernel, the boot logo and aty 128fb has be compiled into
> kernel patched with videoboot, and x86emu. The video parameters set:
>      video=aty128fb:640x480-16 at 7.
>     The kenel can recognize the monitor card, and the frame buffer device
> has run.
> The output showed below:
>     videoboot: Booting PCI video card bus 0, function 0, device 6
>    aty128fb: Found Intel x86 BIOS ROM Image
>    aty128fb: Rage128 BIOS located
>    aty128fb: Rage128 RK PCI [chip rev 0x2] 32M 64-bit SDR SGRAM (2:1)
>    fb0: ATY Rage128 frame buffer device on Rage128 RK PCI
> My problem is there is no output on the monitor,and cannot see the penguin
> boot logo.
> I also run a program to test the framebuffer, which can read data from the
> fb. After running the qt/e program, which can run scussessfully, there is no
> output.!


Lots of graphics cards need their on-board BIOS to be executed to setup
the card before it can be used by linux or anything else. Some firmwares
have x86 emulation built-in to do this (CFE has it, SLOF might, U-boot
has it for some platforms but I don't know about 4xx).


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