Thank you for the name clarification. Now about neo 900, wouldn't be a good idea of a secondary SD slot instead of that emmc? On May 14, 2015 3:43 PM, "Dr. H. Nikolaus Schaller" <[email protected]> wrote:
> Hi, > > Am 14.05.2015 um 08:02 schrieb Liviu Farbas <[email protected]>: > > Thank you for the schematics, i thought we are talking about neo900. > > Ah, ok, now I understand. The N900 is planned with eMMC (in addition to > NAND). > > Regarding the project naming conventions: > > GTA04 = main board upgrade for GTA01/02 (Openmoko Freerunner) plastics > case > GTA04A5 = revision 5 of main board upgrade for GTA01/02 plastics case > Letux2804 = GTA04 main board installed in reused Freerunner with screen > and everything, i.e. a complete device > GTA04b7 (also known as NeoN) = working title for the Neo900 board > Neo900 = GTA04b7 main board installed in reused N900 case with screen and > everything, i.e. a complete device > > So generally: > * A+digit = revision of original GTA04 base design for the Opnemoko form > factor > * b+digit = design built on top of GTA04 base design (e.g. b2 = L3704 PDA, > b3 = L7004 Tablet, b7 = Neo900) > > Some of the confusion with Neo900 might come from that the Neo900 project > reuses some technology, > knowledge and even software from the GTA04 project (which was started in > 2011, did deliver first boards GTA04A3 > in 2012 and is now doing the final production batch with revision GTA04A5). > > So GTA04/L2804 is the predecessor of Neo900, well tested and already > available (except for production and > some minor design changes). > > Hope this clarifies some confusing information. > > BR, > NIkolaus > > 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" <[email protected]> > wrote: > >> Hi, >> >> Am 13.05.2015 um 13:19 schrieb Liviu Farbas <[email protected]>: >> >> 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" <[email protected]> >> wrote: >> >>> Hi, >>> >>> Am 13.05.2015 um 08:38 schrieb Liviu Farbas <[email protected]>: >>> >>> 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" <[email protected]> >>> wrote: >>> >>>> Hi, >>>> >>>> Am 12.05.2015 um 19:37 schrieb Liviu Farbas <[email protected]>: >>>> >>>> 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" <[email protected]> >>>> 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 <[email protected]>: >>>>> >>>>> 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" < >>>>> [email protected]> 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 >>>>>> [email protected] >>>>>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>>>>> http://www.openphoenux.org >>>>>> >>>>> _______________________________________________ >>>>> Community mailing list >>>>> [email protected] >>>>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>>>> http://www.openphoenux.org >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Community mailing list >>>>> [email protected] >>>>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>>>> http://www.openphoenux.org >>>>> >>>>> _______________________________________________ >>>> Community mailing list >>>> [email protected] >>>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>>> http://www.openphoenux.org >>>> >>>> >>>> >>>> _______________________________________________ >>>> Community mailing list >>>> [email protected] >>>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>>> http://www.openphoenux.org >>>> >>>> _______________________________________________ >>> Community mailing list >>> [email protected] >>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>> http://www.openphoenux.org >>> >>> >>> >>> _______________________________________________ >>> Community mailing list >>> [email protected] >>> http://lists.goldelico.com/mailman/listinfo.cgi/community >>> http://www.openphoenux.org >>> >>> _______________________________________________ >> Community mailing list >> [email protected] >> http://lists.goldelico.com/mailman/listinfo.cgi/community >> http://www.openphoenux.org >> >> >> >> _______________________________________________ >> Community mailing list >> [email protected] >> http://lists.goldelico.com/mailman/listinfo.cgi/community >> http://www.openphoenux.org >> >> _______________________________________________ > Community mailing list > [email protected] > http://lists.goldelico.com/mailman/listinfo.cgi/community > http://www.openphoenux.org > > > > _______________________________________________ > Community mailing list > [email protected] > http://lists.goldelico.com/mailman/listinfo.cgi/community > http://www.openphoenux.org > >
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