[U-Boot-Users] CFG_FLASH_BASE and CFG_MONITOR_BASE question

Frank Young
2004-07-15T05:00:00Z

Anyone else can share your success story? I just want to get some clues from
the similiar cases.

Thanks!

Frank

>From: Wolfgang Denk <wd@denx.de>
>To: "Frank Young" <young726@hotmail.com>
>CC: u-boot-users at lists.sourceforge.net
>Subject: Re: [U-Boot-Users] CFG_FLASH_BASE and CFG_MONITOR_BASE question
>Date: Thu, 15 Jul 2004 00:41:26 +0200
>
>In message <BAY2-F42kIFqFtucwpX000d8fad@hotmail.com> you wrote:
> > Yes, I did try it out. Seems the u-boot works fine and the example
> > application runs fine in SDRAM. But when I tried to load the kernel,
>kernel
> > hangs when early_init (in head_4xx.S) is called. So I want to come back
>to
> > u-boot and double check everything in u-boot is correct.
>
>I think we've been there before. How do you know that the kernel
>"hangs", and what exactly means "hangs" here?
>
>Don't tell me again that you added some debug code to toggle LED's or
>write to memory or something like that.
>
>Your "it hangs" may be an "it chrashes because of your debug code"
>with your debug code, and something completely different without it.
>
>Attach a debugger and find out what's really going on.
>
>In a first step, I recommend to re-read the FAQ section.
>
> > BTW, does anyone happen to have early_init problem and solved it? I saw
>a
>
>Yes. Many people have posted such problems before, and in all cases I
>can remember the only problem was some debug code that had been
>added, or the attempt to use tools (or engineers) that have no idea
>what virtual memory is.
>
> > lot of discussions on the internet. But most of them didn't give a final
> > solution. It doesn't matter if we are using same board or CPU. I just
>want
> > to get some idea of what could be wrong. Any input would be appreciated!
>
>We've been there before. Everything has been said before. follow the
>advice, or ignore it - your choice. I give up here. I will stop
>reading this thread and replying to it.
>
>
>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
>What about WRITING it first and rationalizing it afterwords? :-)
> - Larry Wall in <8162@jpl-devvax.JPL.NASA.GOV>

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