[OpenBIOS] Re: [fb-d] Now mounting root

Ronald G Minnich rminnich at lanl.gov
Tue May 2 17:14:20 CEST 2000

On Tue, 2 May 2000, Jeff Garzik wrote:

> what is e->reg and e->val?  is that PCI_COMMAND ?

No, there are IDE things. You need to set bits in the IDE interface in
many chipsets to make it enabled. Rather than test these bits with e->reg,
e->mask, and e->val, I just set them, since there is no BIOS.

> > command_line="root=/dev/hda1 serial=1,9600n8 console=ttyS1,9600";
> The default is 9600/N/8/1.  Just leave out everything except
> console=ttyS1

Should that be S0 though? L440GX only has one serial port. 

> * why do you define CONFIG_HOTPLUG in your kernel build?  Unless you
> know you need it, it just wastes kernel space by not disposing of memory
> needed for hotplug drivers later in kernel life.

I'll yank it. I thought at some point it would help my PCI woes. 

> * you need to initialize the mobo serial ports.  For example on a Via
> mobo, you need to set up the serial plug-n-play PCI config registers,
> otherwise the serial ports power up in a disabled state.

arg. OK, I'll look at this. 

> * consider getting a Matrox card, and using fbdev for your console
> (CONFIG_FB).  AFAIK Matrox, and maybe ATI, not need BIOS init in order
> to produce video.

Part #? I'll do it!


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