[U-Boot-Users] mpc8260 reset procedure

walter dicarlo walter_dicarlo at yahoo.com
Mon Jun 14 12:13:18 CEST 2004


Hi Wolfgang,

thanks for your advice. I haven't yet investigate
issues related to booting Linux, but my idea was to
move IMMR at 0x04700000 or 0x14700000 at the end of
u-boot debugging/configuration.

Walter

--- Wolfgang Denk <wd at denx.de> wrote:
> In message
> <20040614093531.37881.qmail at web60005.mail.yahoo.com>
> you wrote:
> > 
> > I don't remeber the details but I have been forced
> to
> > define the CFG_DEFAULT_IMMR. However, now, I have
> > understood that the default IMMR should point to
> the
> > begin of the register area (in my case 0x0f010000)
> > while CFG_IMMR should point to the begin of the
> > processor memory map (in my case 0x0f000000).
> 
> Just to mention that this will bring you in trouble
> as  soon  as  you
> attempt  to  boot Linux, since a 0x0F...... address
> does not meet the
> Linux kernel memory mapping requirements.
> 
> 
> 
> Wolfgang Denk
> 
> -- 
> Software Engineering:  Embedded and Realtime
> Systems,  Embedded Linux
> Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88 
> Email: wd at denx.de
> When some people discover the truth, they just can't
>  understand  why
> everybody isn't eager to hear it.
> 



	
		
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