GSM firmware flash bricked GTA02 GSM modem

[W. B. Kranendonk]

I flashed my Calypso using the image from http://people.openmoko.org/joerg/calypso_moko_FW/moko11/

All went seemingly OK, as after a while the friendly green "DONE" showed up.

Since then however, I (nor my freerunner) have not been able to access the SIM anymore.

I tried repeating the flashing procedure, with the same result. Now I paid attention to the blue output as well, which showed I was trying to flash an identical firmware (http://wiki.openmoko.org/wiki/GSM/Flashing#Hints,
 "In some case you may receive this:
  (fluid, version 3) ok
  Checksumming (269 * 8kB = 2152kB):  ok
  Flash Detect: (0xEC, 0x22A0) Samsung K5A3240CT ok
  Program: (0 sectors, 0*8k=0k) () ok
 "
)
My output's a bit different though: it says fluid, version 2.27.

I am a bit hesitant now to continue and follow the instructions for a manual firmware download, since this fluid business is so picky on the syntax.

Any advice on how to continue from here?

Best regards,

Boudewijn




     

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[Paul Fertser]

"W. B. Kranendonk" <[hidden email]> writes:
> Since then however, I (nor my freerunner) have not been able to access the SIM anymore.

Looks like you're using some obsolete kernel or software that doesn't
enable hardware flow control properly (which was fixed with moko11
firmware).

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[W. B. Kranendonk]

From: Paul Fertser <[hidden email]>
Sent: Tuesday, September 22, 2009 8:37:03 AM

> Omitting the list from CC doesn't usually give more chances to get a good
> reply.
My bad, thanks!

Boudewijn

On Mon, Sep 21, 2009 at 10:31:05PM -0700, W. B. Kranendonk wrote:

> --- On Tue, 9/22/09, Paul Fertser <[hidden email]> wrote:
> > Date: Tuesday, September 22, 2009, 12:12 AM "W. B. Kranendonk"
> > <[hidden email]> writes:
> > > Since then however, I (nor my freerunner) have not
> > been able to access the SIM anymore.
> >
> > Looks like you're using some obsolete kernel or software that doesn't
> > enable hardware flow control properly (which was fixed with moko11
> > firmware).
> >
>
> Since the flash I had some kernels for some distributions; Android,
> SHR-unstable from earlier this month and SHR-testing, which I used to use.
>
> Neither of them could get to the SIM.

I suggest you to install the latest SHR unstable kernel and then to try this
command to communicate directly with the modem (ensure you have everything that
can access the modem turned off beforehand):

socat - file:/dev/ttySAC0,crtscts,crnl,echo=0,b115200
echo 1 > /sys/class/i2c-adapter/i2c-0/0-0073/neo1973-pm-gsm.0/power_on

> How un-obsolete does the kernel have to be to incorporate hardware flow
> control, ie, 2.28 is recent enough or does it have to be the 2.29-series?

.29

> Can I check whether HW flow control gets enabled (preferably without
> USB-networking since I can't use that at work; else it'll have to wait till
> tonight).

Yes, you can check all terminal parameters with "stty -a" command.

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[W. B. Kranendonk]

> On Mon, Sep 21, 2009 at 10:31:05PM -0700, W. B. Kranendonk
> wrote:
> > --- On Tue, 9/22/09, Paul Fertser <[hidden email]>
> wrote:
> > > Date: Tuesday, September 22, 2009, 12:12 AM "W.
> B. Kranendonk"
> > > <[hidden email]>
> writes:
> > > > Since then however, I (nor my freerunner)
> have not
> > > been able to access the SIM anymore.

(...)

> I suggest you to install the latest SHR unstable kernel and
> then to try this
> command to communicate directly with the modem (ensure you
> have everything that
> can access the modem turned off beforehand):
>
> socat - file:/dev/ttySAC0,crtscts,crnl,echo=0,b115200
> echo 1 >
> /sys/class/i2c-adapter/i2c-0/0-0073/neo1973-pm-gsm.0/power_on
>

I used jOERG's firmware-flashing distribution; socat was not recognized, but I could run the power_on which does not say so much in itself.

I also ran the manual check on the firmware flashing-page on the wiki. The results agreed with the outcome on the wiki.

Now I just flashed beta3 of hackable:1 v5. After fiddling with the interface for a while, I turned on and off the GSM a few times. On selecting auto register with network, I had a connection in a few seconds. Success!

>
> > Can I check whether HW flow control gets enabled
(...)
> Yes, you can check all terminal parameters with "stty -a"
> command.
stty-a gave a list of parameters, but I did not recognize anything that looked like hardware flow control; I will check again later.

For now I can make and receive phone calls; the rest can wait till the week end :-)

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[Paul Fertser]

"W. B. Kranendonk" <[hidden email]> writes:
> For now I can make and receive phone calls; the rest can wait till the week end :-)

The moral is: you finally used distro that is not broken, just as i
suggested.

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