<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Lionel,<div class="">since others may run into similar issues, I have forwarded to the mailing list.</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">Am 09.07.2017 um 19:27 schrieb L.B. <<a href="mailto:lionel.broche@gmail.com" class="">lionel.broche@gmail.com</a>>:</div><br class="Apple-interchange-newline"><div class="">
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<div class="moz-cite-prefix">Hi Nikolaus,<br class="">
<br class="">
Thanks for the fast answer.<br class="">
I tried pushing the AUX switch while inserting the battery but the
phone remains inactive even though that was with the sdcard that I
have used so far.<br class=""></div></div></div></blockquote><div><br class=""></div>Hm. Does no LED light up? Or does some LED blink or stay red?</div><div>If not it looks more like a drained battery.</div><div><br class=""></div><div>I have tried the following:</div><div><br class=""></div><div>1) use fresh SD card (available as /dev/sdb on my system)</div><font face="Monaco" size="1" class=""><div class=""><font face="Monaco" size="1" class=""><br class=""></font></div>umount /dev/sdb*<br class=""></font><div><span style="font-family: Monaco; font-size: 10px;" class="">wget -O - <a href="http://download.goldelico.com/gta04-main/production/20150318-gta04.dd.bz2" class="">http://download.goldelico.com/gta04-main/production/20150318-gta04.dd.bz2</a> | bunzip2 >/dev/sdb</span></div><div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">2) boot with this card (pressing AUX)</span></div><div style="margin: 0px; line-height: normal;" class="">The power LED should blink red/green while flashing is being done.</div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><div style="margin: 0px; line-height: normal;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">This installs back the "old style" U-Boot.</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">3) I had to repeat 2 or 3 times to be able to boot the kernel completely from the SD card</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">4) Boot another SD card with latest boot system created by</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class="">DEV=/dev/sdb ./makesd gta04</div><div></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><br class=""></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">This installs the "new style" U-Boot system in NAND flash.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">5) this also needed 2 or 3 repeats</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">Maybe it has to shake up things in U-Boot environment in NAND until everything fits.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">6) then I could boot an SD card without MLO/U-Boot partition.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">Note that it is not possible to boot from NAND only at this stage. One has to run /root/flash-nand</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">(e.g. through ssd <a href="mailto:root@192.168.0.202" class="">root@192.168.0.202</a> </span><span style="font-family: Helvetica; font-size: 12px;" class="">over USB cable) </span><span style="font-family: Helvetica; font-size: 12px;" class="">to install the latest DT based kernel </span><span style="font-family: Helvetica; font-size: 12px;" class="">in NAND.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">The reason is that the "old style" U-Boot does not take care of the DT in NAND like the new one does.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">Both old and new style U-Boot can load a kernel from SD card.</span></div><div style="margin: 0px; font-size: 10px; line-height: normal; font-family: Monaco;" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></div><blockquote type="cite" class=""><div class=""><div bgcolor="#FFFFFF" text="#000000" class=""><div class="moz-cite-prefix">
Unfortunately I do not have a serial cable.</div></div></div></blockquote><div><br class=""></div>It would be the best to find out what is going wrong.</div><div><br class=""><blockquote type="cite" class=""><div class=""><div bgcolor="#FFFFFF" text="#000000" class=""><div class="moz-cite-prefix"> Is it something I can
build myself or should I buy one?<br class=""></div></div></div></blockquote><div><br class=""></div>It can be built yourself - provided you get the correct pre-crimped Molex pico-blade cable end (8 pins).</div><div><br class=""></div><div>A description for soldering is in the manual <a href="http://projects.goldelico.com/p/gta04-main/downloads/47/" class="">http://projects.goldelico.com/p/gta04-main/downloads/47/</a></div><div>in section "6.3.2. Building a cable".</div><div><br class=""></div><div>The cable should be similar to this one: <a href="http://www.molex.com/molex/products/datasheet.jsp?part=active/0151340803_CABLE_ASSEMBLIES.xml" class="">http://www.molex.com/molex/products/datasheet.jsp?part=active/0151340803_CABLE_ASSEMBLIES.xml</a></div><div>except that we need only one end (but you can cut off the second connector).</div><div>Mouser and DigiKey (and others) seem to have them in stock: <span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);" class="">538-15134-0803 / </span><span style="font-family: Arial, Helvetica, sans-serif;" class="">WM15275-ND</span></div><div><span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div>I think you can get also pre-crimped single wires and the plastic part of the socket:</div><div><br class=""></div><div><a href="https://www.digikey.com/products/en?mpart=0797580006&v=900" class="">https://www.digikey.com/products/en?mpart=0797580006&v=900</a></div><div><a href="https://www.digikey.com/product-detail/en/molex-llc/0510210800/WM1726-ND/242848" class="">https://www.digikey.com/product-detail/en/molex-llc/0510210800/WM1726-ND/242848</a></div><div><br class=""></div></div><div>You also need a DB9f socket (preferrably plus case) and likely an FTDI or Prolific RS232 to USB adapter.</div><div><br class=""></div><div>Please note that the GTA04 has real RS232 interface levels and is not using a 3.3V or 5V UART port</div><div>like many other SBC.</div><div><br class=""></div><div>BR,</div><div>Nikolaus</div><div><br class=""></div></body></html>