[U-Boot-Users] PPC 8260 Linux boot
wd at denx.de
Wed Jul 28 10:38:01 CEST 2004
In message <4106D6BF.6090600 at helicontech.co.il> you wrote:
> >Do you see any messages when you do a post mortem dump of the log_buf
> >[See http://www.denx.de/twiki/bin/view/DULG/LinuxPostMortemAnalysis]
> I think I don't understand something in your explenation of post mortem,
> how can I do
> grep log_buf system.map
> when I have nothing but UBOOT prompt?
You do have a development system which you used to compile and link
your Linux kernel, don't you? And you do have the "grep" command
installed on that host, right?
> >The GMANE archive _is_ searchable.
> What is the GNAME archive?
[Why didn't a google search for "gmane u-boot" return useful links for you?]
> I still do not understand what do you mean by init sequence of SDRAM, If
> I had any hint of what you mean by that I would check for it.
Read the documentation provided by the manufacturer of your RAM
chips. It shosuld contain a section about the SDRAM init sequence.
> >Did you read the FAQ? How about the "clocks_in_mhz" setting? Or the
> >bd_info structure used by the Linux kernel?
> Yes, I have thought about the clock value and made sure it is passed Ok,
> since I am using
> kernel 2.4.25 I understand that the clock should be in Hz and that is
> what U-boot transfers.
And what about bd_info?
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
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