[Gta04-owner] "boot to AUX-Menu" - QtMoko v49

[Dr. H. Nikolaus Schaller]

Am 20.11.2012 um 11:54 schrieb Dr. H. Nikolaus Schaller:

> 
> Am 20.11.2012 um 11:32 schrieb Dr. H. Nikolaus Schaller:
> 
>> Hi Radek,
>> 
>> Am 20.11.2012 um 08:56 schrieb Radek Polak:
>> 
>>> On Monday, November 19, 2012 10:39:19 PM Dr. H. Nikolaus Schaller wrote:
>>> 
>>>> There is no specific timing.
>>>> 
>>>> Just press AUX before the power button and leave it pressed until
>>>> you see the graphical u-boot menu. Then, release the button (or leave
>>>> it pressed as long as you like :)
>>> 
>>> I have finally managed to flash the new bootloader and i have to say i like it 
>>> very much. Good work! Now i am working on the gta04-init changes.
>>> 
>>> I have one question - would it be possible to trigger displaying the bootmenu 
>>> e.g. when some file exists?
>>> 
>>> Currently QtMoko has option "Reboot to bootmenu", it would be nice if it could 
>>> reboot the phone to the uboot menu. It's not critical, just asking if there is 
>>> simple way to implement it then it would be nice...
>> 
>> Hm. U-Boot can check for existence of files and can read them, but it can't
>> delete it after a single use.
>> 
>> I think that should be done or otherwise it will be difficult to boot without
>> menu if anything did go wrong.
>> 
>> Another option would be to set a flag in the u-boot environment. The
>> Linux kernel can mount it but I don't know if there is a debian tool to
>> manipulate it easily. I.e. a "set-uboot-env name value && save-uboot-env".
> 
> Yes, it appears to be possible through
> 
> <http://packages.debian.org/squeeze/uboot-envtools>

I have modified the boot.scr to recognize a "forcemenu" environment variable.

Installation and use:

1. flash the new bootloader system through the hw-validation image on a separate SD
<http://www.openphoenux.org/swi/showdetail.php?app=19>
2. on your Debian/Linux: apt-get install uboot-envtools
3. install this config file to /etc/fw_env.config
<http://git.goldelico.com/?p=gta04-rootfs.git;a=blob;f=debian/config/etc/fw_env.config;hb=HEAD>
4. fw_setenv "forcemenu" "yes"
5. reboot
6. the AUX menu (http://www.openphoenux.org/swi/screenshots/00017_1.jpg) will appear

On the next reboot/power on the menu will not automatically appear
again because the flag ("forcemenu") is deleted after being used once.


> 
>> 
>>> 
>>>> Maybe the main problem is that the new boot system is lacking a complete
>>>> and easily understandable description.
>>>> 
>>>> There are already some words in the latest GTA04A4 manual.
>>> 
>>> I guess it will take a few more weeks until people get used to it and start 
>>> using it.
>>> 
>>> Regards
>>> 
>>> Radek
>> 
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