[Community] Staus update GTA04A5

Liviu Farbas liviu.farbas at gmail.com
Thu May 14 08:02:47 CEST 2015


Thank you for the schematics, i thought we are talking about neo900. I did
not know about gta04. So this gta04 will be shipped with the screen and
case or only the board?

Best regards,

Liviu
On May 13, 2015 2:26 PM, "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
wrote:

> Hi,
>
> Am 13.05.2015 um 13:19 schrieb Liviu Farbas <liviu.farbas at gmail.com>:
>
> Apart from the case space, couldn't the second SD slot be connected to the
> OMAP cpu instead of the emmc?
>
> The GTA04 has no eMMC, it has NAND flash (this is not the same regarding
> the interfaces).
> And the OMAP3 has no specific eMMC interface. It has 3 MMC interfaces. 2
> of them are already used and the third one is not available.
>
> Maybe the schematics in the system manual give some more background
> information:
>
> http://projects.goldelico.com/p/gta04-main/page/Manual/
>
> BR,
> Nikolaus
>
>
> On May 13, 2015 10:05 AM, "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
> wrote:
>
>> Hi,
>>
>> Am 13.05.2015 um 08:38 schrieb Liviu Farbas <liviu.farbas at gmail.com>:
>>
>> If that is the case, it's OK. So if the memory chip containing bootloader
>> will get damaged we can still use the phone?
>>
>> Yes. You can even reflash the NAND image (it is “unbrickable” by design).
>>
>> My main idea was to have 2 SD card slots: one for the card with the
>> bootloader and operating system, and one with the card for the file storage.
>>
>> Ah I see. Well, we don’t have the space in the Freerunner plastics case
>> and the OMAP3 has no spare MMC interface (one is for the uSD and the other
>> one for the WiFi SDIO; the third MMC I/F is not available to pinmux
>> restrictions).
>>
>> Best regards,
>>
>>
>> BR and thanks for your suggestions,
>> Nikolaus
>>
>> Liviu
>> On May 12, 2015 8:52 PM, "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
>> wrote:
>>
>>> Hi,
>>>
>>> Am 12.05.2015 um 19:37 schrieb Liviu Farbas <liviu.farbas at gmail.com>:
>>>
>>> i was thinking at something like the Raspberry Pi, which does not have
>>> any memory built in, and everythin including bootloader is stored on sd
>>> card.
>>>
>>> What would be the benefit?
>>>
>>> On the GTA04 you can store bootloader and kernel either in NAND or uSD
>>> or both. By pressing the AUX button you can choose which memory the system
>>> boots from.
>>>
>>> And, the NAND and the RAM are combined in a single multi-chip-module, so
>>> you can’t remove just the NAND. You can erase it and then it will be
>>> skipped when booting. So this would simulate a non-existing chip.
>>>
>>> IMHO a mix of boot loader in NAND and kernel/device-tree/rootfs on uSD
>>> is the most flexible setup so that you can simply swap SD cards for
>>> different OS versions to run.
>>> Please also note that having the boot loader on the SD card requires a
>>> two-parition layout and is quite inflexible. We have a tool that can
>>> partition and format and fill SD cards in quite flexible choices [1].
>>>
>>> So what are you missing or trying to improve?
>>>
>>> BR,
>>> Nikolaus
>>>
>>> [1]: http://projects.goldelico.com/p/gta04-makesd/
>>>
>>>
>>>
>>> On May 12, 2015 11:37 AM, "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
>>> wrote:
>>>
>>>> Hi,
>>>> the GTA04A5 has a NAND flash of 512 MB and a uSD reader up to 32 GB
>>>> (see photos on www.gta04.org). The NAND flash is mainly used for the
>>>> boot loader and a small rescue Linux system but real OS operation is done
>>>> by swapping such uSD cards. So you can for example have a uSD card for
>>>> Replicant and another one for QtMoko. Or put both on one in different
>>>> partitions.
>>>>
>>>> BR,
>>>> Nikolaus
>>>>
>>>> Am 12.05.2015 um 10:12 schrieb Liviu Farbas <liviu.farbas at gmail.com>:
>>>>
>>>> What about the emmc module? Will that module be removable? Or instead a
>>>> built in emmc, wouldn't be a better choice to add a SD card slot? It would
>>>> be really great to experiment with operating systems without the risk of
>>>> corrupting the emmc.
>>>>
>>>> Best regards,
>>>>
>>>> Liviu
>>>> On May 11, 2015 10:37 AM, "Dr. H. Nikolaus Schaller" <hns at goldelico.com>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>> you may wonder what is going on with this project. Did it turn into a
>>>>> black hole? Or
>>>>> did someone do a “rm -rf /“ :)
>>>>>
>>>>> No, nothing of that. Therefore, I think we owe you some short status
>>>>> update on this project.
>>>>>
>>>>> There hasn’t been much to report in the last months, but now we have
>>>>> several news
>>>>> within some days.
>>>>>
>>>>> 1. I have checked again and we can still get the GTM601W, but the
>>>>> distributor says
>>>>>     the risk is high that OPTION declares EOL any time and in that
>>>>> case we would have
>>>>>     to make an order of at least 3000 units so that they restart
>>>>> production just for us.
>>>>>
>>>>>    This means we must secure these modules for us now, since there is
>>>>> no replacement
>>>>>    that easily fits into the space constraints of the GTA04 (resp.
>>>>> GTA01/02 board).
>>>>>
>>>>>    Cinterion modules would be nice since they are planned for the Pyra
>>>>> and the Neo900,
>>>>>    but they are approx. 10% too big.
>>>>>
>>>>> 2. we see some difficulties in getting the W2SG0084 GPS module, but
>>>>> that is some
>>>>>     paperwork the distributor has to do with Wi2Wi.
>>>>>
>>>>>    Nevertheless, this is also a risk candidate for EOL because only
>>>>> one distributor shows
>>>>>    stock.
>>>>>
>>>>> 3. There are also good news:
>>>>>     we participate in the risk buy of Samsung 1GB RAM+512MB NAND
>>>>> chips (as
>>>>>     planned for the Neo900). So the GAT04A5 gets twice as much RAM :)
>>>>>
>>>>>     This chip has already been tested by reworking a BeagleBoard XM
>>>>> and modifying
>>>>>     the boot loader (kernel didn’t find the NAND yet, but U-Boot did.
>>>>> This is a problem
>>>>>     that will jointly be fixed with the Neo900 software team).
>>>>>
>>>>> 4. Production: we still are a little away from the quorum of 100
>>>>> preorders (at the
>>>>>     moment of this writing we have estimated approx. half = 45
>>>>> units). So it is still
>>>>>     not possible to make final decisions about production dates and
>>>>> final pricing.
>>>>>
>>>>>     So we need to get a little more support for our project. If you
>>>>> have ideas, please
>>>>>     let us know or start activities. Many small activities are as
>>>>> good as a big one!
>>>>>     And we know that this is a niche product that requires an
>>>>> existing GTA01/02
>>>>>     device. So it is not possible to “attract the masses”. We must
>>>>> find and convince
>>>>>     the previous GTA01/02 owners whose devices are collecting dust.
>>>>> There had been
>>>>>     produced ca. 15k such devices so that we just need another 1/3%
>>>>> or in other
>>>>>     words only 1 out of 300 GTA02 owners needs to decide for a
>>>>> GTA04A5.
>>>>>
>>>>> 5. Regarding the risk buy of the GTM601W, RAM chips and W2SG0084, I
>>>>> plan to
>>>>>     take the budget (~5100 EUR) that we already have collected.
>>>>>
>>>>>     This will transform the vouchers into ownership of components. So
>>>>> it has the
>>>>>     consequence that we can’t refund in money (cash, bank transfer)
>>>>> any more, but
>>>>>     only in unused hardware components (i.e. 100 EUR ~
>>>>> 1*GTM601+1*RAM+1*GPS)…
>>>>>
>>>>>     For future preorder vouchers you would also buy such a component
>>>>> set (which we
>>>>>     would keep in safe warehouse of course) until we can really build
>>>>> the whole devices.
>>>>>
>>>>>
>>>>> So quite some news and I would be happy if we can fill up the missing
>>>>> preorders [1]
>>>>> sooner than later so that we can start production. Please think about
>>>>> securing your
>>>>> set of components for the last production batch of the most open
>>>>> smartphone platform
>>>>> that we already have.
>>>>>
>>>>> BR and thanks for continued support,
>>>>> Nikolaus Schaller
>>>>>
>>>>> [1]: http://shop.goldelico.com/wiki.php?page=GTA04A5
>>>>> _______________________________________________
>>>>> Community mailing list
>>>>> Community at openphoenux.org
>>>>> http://lists.goldelico.com/mailman/listinfo.cgi/community
>>>>> http://www.openphoenux.org
>>>>>
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