[U-Boot-Users] boot pc with uboot

[Ken.Fuchs at bench.com]

With Linux running on your system (or booted via a Live CD like
Knoppix):

# lspci -vvv

That should reveal most of the major chips

Device manager on MS Windows may provide similar information.

You may have to physically identify on the smaller chips on the
board, since they will not be visible in lspci output.

Good luck!

Sincerely,

Ken Fuchs

> -----Original Message-----
> From: u-boot-users-bounces at lists.sourceforge.net 
> [mailto:u-boot-users-bounces at lists.sourceforge.net] On Behalf 
> Of Jerry Van Baren
> Sent: Wednesday, May 28, 2008 13:55
> To: Soodeh Bakhshandeh
> Cc: u-boot-users at lists.sourceforge.net
> Subject: Re: [U-Boot-Users] boot pc with uboot
> 
> 
> Soodeh Bakhshandeh wrote:
> > Dear sir
> > I have a problem. I want to boot my pc with uboot. Which 
> work I shold
> > do?what is my roadmap?
> > thanks
> 
> You need to get the data sheets of all the chips on your board, 
> including any north bridges, south bridges, video chips (assuming you 
> want to support video), memory (flash and SDRAM), and whatever other 
> software programmable parts that are on your board.  You need this 
> information in order to properly initialize the hardware.
> 
> The traditional BIOS does this initialization.  Since you desire to 
> replace the BIOS with u-boot, you will have to do the initialization 
> yourself.
> 
> The big problem is that full hardware documentation is hard to get. 
> Depending on your board and the chips used on it, you might 
> be able to 
> get the documentation, but historically it is a show stopper problem. 
> This may be changing with hardware becoming more open for 
> linux drivers, 
> or maybe you will get lucky...
> 
> Once you have the documentation, you will need to figure out 
> exactly how 
> your hardware needs to be initialized (registers, values, sequences).
> 
> Good luck,
> gvb
> 
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