[U-Boot-Users] [GIT PULL] [ARM] Please pull fromgit://denx.de/git/u-boot-arm.git

[Peter Pearse]

> -----Original Message-----
> From: wd at denx.de [mailto:wd at denx.de] 
> Sent: 16 August 2007 10:41
> To: Ulf Samuelsson
> Cc: Peter Pearse; u-boot-users at lists.sourceforge.net
> Subject: Re: [U-Boot-Users] [GIT PULL] [ARM] Please pull 
> fromgit://denx.de/git/u-boot-arm.git
> 
> Dear Ulf,
> 
> 
> > >> cpu/arm920t/start.S => I'm surprised to see a lot of 
> intialization
> > >>                 code has now been added to the "reset" 
> entry point.
> > >>                 Is this by accident, or am I missing something?
> > 
> > The changes are there to allow you to boot from a dataflash.
> > A bootstrap will initialize the SDRAM and copy from the 
> dataflash (or 
> > > NAND flash)
> > IIRC: The code avoids reinitialization of stuff which will 
> crash U-Boot.
> > (And sets the LED)
> 
> I'm afraid I don't understand. We are not talking about  any  
> startup code,  but  about the code of the "reset" function, 
> i. e. what casues the board to reset.

The writers (and cut & pasters) of ARM code seem to have assumed that 

reset:

is the entry to the code which runs immediately after the processor is
reset, 
rather than the code which makes the processor reset.

Could we accept Ulf's code whilst I give this more consideration?

Peter

> 
> Maybe the code was added to the wrong place in the file?
> 
> 
> 
> Best regards,
> 
> Wolfgang Denk
> 
> -- 
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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>