[U-Boot] Reminder mail [Fwd: Kernel bring Up fail in NOR boot for custom board]]

Marek Vasut marex at denx.de
Mon Jul 1 15:10:46 CEST 2013


Dear Shrimanth,

> Reminder Mail
> 
> Please reply ASAP.

I believe the remarks above won't help you, neither will top-posting.

The problem looks to be either DRAM setup being incorrect or kernel problem.

> ------ Forwarded Message --------
> From: Shrimanth <shrimanth at signal-networks.com>
> To: joe.hershberger at ni.com, Marek Vasut <marex at denx.de>, sr at denx.de,
> u-boot at lists.denx.de, Scott Wood <scottwood at freescale.com>
> Cc: Manukumar <manukumar at signal-networks.com>, PJM
> <pjmaiya at signal-networks.com>
> Subject: [Fwd: Kernel bring Up fail in NOR boot for custom board]
> Date: Thu, 27 Jun 2013 11:04:54 +0530
> 
> Dear Scott Wood,
> 
> 1. Board Bring Up(u-boot and kernel) in Nand Flash
> With the setting of cpu = 533MHz,ddr = 533MHz and lbc =
> 66.66MHz.
> we can able to make u-boot up and kernel with all drivers
> modules are up and prompt is appeared.
> 
> 2. Board Bring Up(u-boot and kernel) in Nor Flash
> With the setting of cpu = 533MHz,ddr = 533MHz and lbc =
> 16.66MHz.
> we can able to make u-boot up and kernel is not up.
> i.e, the drivers in kernel are unevenly initialized and getting
> into kernel panic state.
> I have attached the file that shows above mentioned behavio1
> please find the attachments.
> 
>          If the cpu frequency is reduced to 266Mhz and DDR with
>          533.33MHz. kernel initialize further but result is same
>          as above(kernel panic).
> 
> 
> NOTE: we have observed that if same kernel image is put in
> the Reference Design Board(P1021RDB-PC) it is working fine.
> 
> >From u-boot we have tried changing OR & BR values along with LAW and
> 
> TLB values..Are we missing something??
> 
> As our Deveopment is stuck please reply ASAP
> 
> 
> Regards

Best regards,
Marek Vasut


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