From: Olof Johansson <olof@lixom.net>
To: Bai Shuwei <baishuwei@gmail.com>
Cc: linuxppc-dev@ozlabs.org, linuxppc-embedded@ozlabs.org
Subject: Re: powerpc 440 monitor program
Date: Fri, 19 Oct 2007 11:45:01 -0500 [thread overview]
Message-ID: <20071019164501.GA10055@lixom.net> (raw)
In-Reply-To: <f3566d60710182032h69e2d2bejafd96f18dae95829@mail.gmail.com>
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@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.!
Hi,
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).
-Olof
prev parent reply other threads:[~2007-10-19 16:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-19 3:32 powerpc 440 monitor program Bai Shuwei
2007-10-19 3:49 ` David Gibson
2007-10-19 15:51 ` Leonid
2007-10-19 16:45 ` Olof Johansson [this message]
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