[U-Boot-Users] Help required to bring up kernel from U-Boot
wd at denx.de
Fri Dec 16 11:11:01 CET 2005
In message <OFB8CF31AB.E132BC0B-ON652570D9.001789DD-652570D9.001A8A99 at tcs.com> you wrote:
> I copied uImage to location 0x04000000 and the Load Address=0x00000000
> and Entry point=0x00000000. The bootm 0x04000000 gives the o/p
> "Transferring Control to Linux" and then nothing comes. Where is the
This is a FAQ. Please see http://www.denx.de/wiki/DULG/Faq
> 1. What are the minimum information Linux needs from U-Boot to come up
> properly? In the Linux source tree we have put some printk statement and
> found that base address of SDRAM, size, etc are passed correctly to Linux
> by U-Boot.
Be careful with printk() at inappropieate places (i.e. too early).
But tell me - how where you able to see anthing with printk if
"nothing comes" as you write above ???
> 2. Is the info passed from U-Boot is sufficient enough to make the kernel
Yes, of course. It works on thousands of systems.
> 3. If not, where should I concentrate in Linux tree?
On your changes.
And please keep this off the U-Boot list. It is off topic here.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
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