Re: [uCsimm] Changing special environment variables?

From: Daniel Haensse (daniel.haensse@freesurf.ch)
Date: Mon Mar 12 2001 - 15:35:36 EST


Just in case: I finished my bootstrap-flash-programming-software for sst
flashs running with bbug.

Make a mdisp of your bootloader memory range before you start!!

Dani

Am Mon, 12 Mär 2001 schrieben Sie:
> Not yet. I'm going to try to find where the var is stored in flash and write it
> directly. But probably not until later as this might render the board unusable
> if I screw up. This is the kind of issue where it would be nice if someone from
> Lineo stepped in with a fix. :-)

> Joel
>
> Quoting David Beckemeyer <david@bdt.com>:
>
> >
> > I have the same problem with the latest batch of uCsimm modules I
> > received. The 'setenv' command from the bootloader prompt doesn't
> > change anything. I get '.....' on the screen, but the variables
> > aren't changed.
> >
> > What's up?
> >
> >
> > On Mon, Feb 12, 2001 at 12:18:06PM -0700, Joel Smith wrote:
> > > Hello,
> > > I'm new to the list. I'm doing a university senior project using the
> > uCsimm and
> > > need to use the serial port for another device which doesn't want to
> > see output
> > > from the console. We have the uCsimm autobooting, so we can get to it
> > via the
> > > network, and won't need the serial port as a console. But we can't
> > change the
> > > CONSOLE environment variable. We've tried from the bootloader prompt
> > and the
> > > bootloader API, and both give the same results. First we tried
> > unsetting the
> > > variable:
> > > setenv CONSOLE (or bsetenv("CONSOLE) from the API)
> > > which does nothing. A printenv still shows CONSOLE=/dev/ttyS0
> > > so we tried
> > > setenv CONSOLE=no
> > > which did not change the value of CONSOLE, but overwrote our AUTOBOOT
> > value with
> > > a "$"
> > >
> > > Any ideas? We have ordered Maxim's SPI->UART (MAX3111E) chip so we
> > won't need
> > > the builtin serial port, but now we can't reset the AUTOBOOT variable,
> > which
> > > makes the device a real pain in the neck to use.
> > >
> > > One more thing, does anyone know how to make the bootloader initialize
> > the
> > > builtin serial port to speeds other than 9600 baud?
> > >
> > > Thanks in advance,
> > > Joel Smith
> > > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
> > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
> >
> This message resent by the ucsimm@uclinux.com list server http://www.uClinux.com/
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