Hi Nikolaus,
Thanks for the detailed instructions here. I think they may have worked
for me, but am not sure - please see more inline below...
On 19/12/17 19:40, H. Nikolaus Schaller wrote:
Hi,
Am 19.12.2017 um 18:51 schrieb Neil Jerram <[email protected]>:
On 19/12/17 09:57, H. Nikolaus Schaller wrote:
What you should do: update your U-Boot in NAND.
To do this, use makesd gta04 / makesd gta04a5 to format
a "production image" SD card (dual partition). Insert
into your GTA04, press the AUX button and insert the
battery. This will flash the new U-Boot into NAND
(red screen) and from that moment on you have this new
feature in your U-Boot and can use the SD card for other
things.
Please could give us a reference to more detailed instructions for doing this?
I'm sorry, it's a while now since I last worked on my GTA04, but I am very
interested to get this improvement in place, so many thanks to you and Andreas.
Ok, let's try (I hope I did not forget anything):
1. get an µSD card yo do not need otherwise with at least 2GB
2. plug into some SD card reader on a Linux host
a recent Debian or Ubuntu is recommended
It could even be the GTA04 if you manage to connect the SD reader through
OTG and set up WLAN
I currently use the OMAP5432EVM with Letux-OS
3. find out which device name the SD card has (usually something like /dev/sdb)
4. follow instructions at http://projects.goldelico.com/p/gta04-makesd/
wget -O makesd
"http://git.goldelico.com/?p=gta04-makesd.git;a=blob_plain;hb=HEAD;f=makesd";
chmod +x makesd
5. run (change /dev/sdb to your SD card reader if needed) as root
DEV=/dev/sdb makesd gta04
or
DEV=/dev/sdb makesd gta04a5
6. Insert µSD into your GTA04
7. press the AUX button and keep pressed
8. insert the battery (well, it should have been charged a little before)
OK, so I did up to here, but I think I might not have charged my GTA04
enough first. I believe I did see a red screen; but shortly later I
think the phone ran out of power and died; certainly it did not get as
far as showing the LXDE desktop.
Since then, I have left the phone plugged in (by a USB cable from my
laptop) for a long time, with the same SD card in place. It has booted
to the LXDE desktop, and my SSHing in I can see that it now has a lot of
charge:
root@letux:~# cat /sys/class/power_supply/bq27000-battery/uevent
POWER_SUPPLY_NAME=bq27000-battery
POWER_SUPPLY_STATUS=Not charging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_VOLTAGE_NOW=4086000
POWER_SUPPLY_CURRENT_NOW=283815
POWER_SUPPLY_CAPACITY=93
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_TEMP=284
POWER_SUPPLY_TIME_TO_EMPTY_NOW=15060
POWER_SUPPLY_TIME_TO_EMPTY_AVG=14160
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CHARGE_FULL=1142582
POWER_SUPPLY_CHARGE_NOW=1066932
POWER_SUPPLY_CHARGE_FULL_DESIGN=1233792
POWER_SUPPLY_CYCLE_COUNT=89
POWER_SUPPLY_ENERGY_NOW=4108440
POWER_SUPPLY_POWER_AVG=1043900
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_MANUFACTURER=Texas Instruments
Now, if I do the following procedure ...
- 'poweroff' (via SSH)
- remove USB cable
- remove battery
- keep AUX button held down
- replace battery
... I do not see any red screen. Instead I see the partition order
choice screen (with a blue/green pastoral background), and if I select
the first button, the phone boots to LXDE.
Does the absence of a red screen mean that the flashing has previously
succeeded?
Many thanks! - Neil
9. GTA04 should boot and the screen should turn red after some seconds
10. take out battery and install your old µSD card (if you had one)
11. boot as usual
12. wipe out the µSD for reflashing if you do not want to store it
If anything fails, please cry for help :)
BR and good luck,
Nikolaus
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