[U-Boot-Users] Error while booting Linux image

Wolfgang Denk wd at denx.de
Tue Mar 22 10:35:09 CET 2005

In message <3D9FDCA910DD4445896A0BE5ECF009D4030DD373 at bla.satyam.com> you wrote:
> I have changed the value of the IMMR register to 0xF0000000 in both the
> u-boot (in HRCW) and the linux part, still its hanging after displaying the
> message
> Uncompressing kernel ... OK

Are  you  absolutely  sure  that  your  SDRAM  has  been  initialized

> The contents of the console memory buffer for your reference is pasted
> below..
> md 0x00177e34
> 00177e34: 3c363e4d 656d6f72 79204241 54206d61    <6>Memory BAT ma
> 00177e44: 7070696e 673a2042 7070696e 673a2042    pping: Bpping: B

This looks somewhat corrupted to me.

I speculate that your RAM fails in burst mode.  Try  disabling  burst
mode  (set BI bit in memory controller) and/or caches in Linux; if it
starts to work then you know where to look after.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Plan to throw one away. You will anyway."
                              - Fred Brooks, "The Mythical Man Month"

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