[U-Boot-Users] MBX with no NVRAM
Wolfgang Denk
wd at denx.de
Thu Feb 27 21:55:03 CET 2003
In message <000801c2de9f$49af8080$9600000a at lan> you wrote:
>
> I've got U-boot 0.2.0 up-and-running on my MBX860 board (a entry-level
> 50MHz version).
> This board, hoever, does not have NVRAM (there is no battery).
> Will this be a problem, even if I hard-code all variables I need into
> U-boot?
If you get U-Boot running, then Linux should run fine, too.
> Here's the environment I hard-coded into u-boot:
> bootcmd=bootm 20000
> baudrate=9600
> loads_echo=1
> bootargs=root=/dev/hda2 console=/dev/ttyS0,9600
> serverip=10.0.0.150
> ipaddr=10.0.0.200
> ethaddr=08:00:3e:2f:99:7e
> stdin=serial
> stdout=serial
> stderr=serial
>
> I'm using a unmodified version of the MBX configs for the kernel, the
> from the Denx site
> (ftp://ftp.denx.de/pub/LinuxPPC/usr/src/linux-2.4.4-2002-10-06.tar.bz2)
> with no patches.
The 2.4.4 kernel expects the clock frequencies in MHz, so you must
define the "clocks_in_mhz" variable in your environment, or the
kernel will get a _very_ wrong idea about the clocks.
> If the NVRAM is not the issue, does anyone have a suggestion? I haven't
> the time to build me a debugger :-((
Then buy one :-)
Best regards,
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
Mistakes are often the stepping stones to utter failure.
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