Re: gps powercontrol

[Rico Rommel]

Am Montag, 8. August 2011, 23:11:00 schrieb Timo Juhani Lindfors:
 Hi,
 
 Rico Rommel r...@bierrommel.de writes:
  Except of one all of my SD-Cards are usable.
  
  I'm using u-boot and kernel from
  git://gitorious.org/shr/linux.git
  branch: shr-2.6.37-nodrm
  
  config is attached.
 
 Thanks. I'm packaging qi for debian since it seems that we don't have
 enough people to merge the u-boot patches to debian. If you have many SD
 cards I'd like to know if they work with qi from

Sorry, at the moment I can't test with the other sd-cards, because they are in 
use by other devices.

Btw, I had much trouble with qi. From time to time modem and gps stopped 
working and a reboot, or even removing battery, didn't help. To make it work 
again i had to boot into NOR.

Currently I'm using u-boot (http://wiki.openmoko.org/wiki/U-boot-gena2x) 
without that problems .

Rico



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Re: gps powercontrol

[Timo Juhani Lindfors]

Hi,

Rico Rommel r...@bierrommel.de writes:
 Btw, I had much trouble with qi. From time to time modem and gps stopped 
 working and a reboot, or even removing battery, didn't help. To make it work 
 again i had to boot into NOR.

This sounds somehow familiar.

 Currently I'm using u-boot (http://wiki.openmoko.org/wiki/U-boot-gena2x) 
 without that problems .

Indeed, is your issue somehow related to the u-boot patch Do power on
LDO5 (GPS) regulator and do not setup all serial's GPIOs at all on boot
and Kindly ask u-boot do not touch serials and serial's gpio setup?

lists.openmoko.org seems to be down at the moment so it's hard to find
the discussion. Qi does have

commit 899b847b17bae46556fcbe010e9bba355cd0c5f7
Author: Werner Almesberger wer...@openmoko.org
Date:   Sat Jan 31 17:23:30 2009 +

None

The PMU initializes all GPIOs to inputs in NoPower, including GPIO2,
which drives GSM_ON and has an external pull-up. Furthermore, we may
have entered PMU.Standby with the modem up.

Unlike u-boot, qi didn't initialize the GPIOs. With this patch is
does.

Reported-by: Paul Ferster fercer...@gmail.com
Signed-off-by: Werner Almesberger wer...@openmoko.org

Should this just be reverted?

-Timo

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