Re: [Ltib] reg board boot up

[Stuart Hughes]

Hi,

This sounds like a hardware problem, you may get better support from a
kernel mailing list.  If it's MMUless, then uClinux-dev is a good place
to start.

Regards, Stuart

On Tue, 2008-09-16 at 01:05 -0700, Linux Newbie wrote:
> Hi 
> 
> I am using Coldfire processor and through ltib kernel image is being
> generated.
> In my board, boot up process is :
> 1) Bootstrap is executed which initializes the hardware and then the
> kernel image is downloaded on SDRAM.
> 2) Kernel after doing initializations and starting the necessary
> services gives control to the application.
> 
> The problem area is the drive strength. If I set the SDRAM signals
> drive strength as 16mA then the board speed slows down from the
> time /sbin/init is started by the kernel and it takes around 5-9
> minutes for the application to start. If i increase the drive strength
> of SDRAM signals to 24mA (the max value) the board boots up in 2
> minutes (thsi is the actual case).
> 
> Actually what i could figure out was the bootstrap and the kernel
> initializations are single threaded application and once kernel start
> the /sbin/init, from there it becomes multi threaded. so could this be
> the reason?
> 
> Can anyone suggest where the problem area is or if this is not the
> correct forum then where to go ?
> 
> Thanks in advance!!
> Linux_newbie
> 
> 
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