And as Robert Nelson points out towards the end of that post. there is also Falcon mode for uboot. Pretty much skips most of uboot, and goes straight into loading the kernel. How much time that will actually save ? dunno . . .
On Sun, Jun 7, 2015 at 9:51 PM, William Hermans <[email protected]> wrote: > > https://groups.google.com/forum/#!searchin/beagleboard/Qt$20boot/beagleboard/iOOM7utU1Nw/L67y8Qi7r9wJ > > The video I was thinking of was actually an imx6 board. But liyaoshi says > that 1 s boot times should be achievable. Scroll down to liyaoshi's posts > an see what he / she recommends for faster boots. > > On Sun, Jun 7, 2015 at 9:46 PM, Rick Mann <[email protected]> wrote: > >> That's interesting. Unfortunately, while my primary app is a C program I >> wrote, I also (currently) rely on node.js to provide a configuration >> server. This server does NOT have to be up and running immediately. >> >> However, an upcoming enhancement to my app will have it fetching data >> from the network (it currently stores it all locally), so WiFi has to >> connect as quickly as possible. >> >> Seems like I'd have to write years of additional code if I have no >> Linux... >> >> > On Jun 7, 2015, at 20:55 , William Hermans <[email protected]> wrote: >> > >> > Rick, If we're talking uboot-> executable, no Linux, you can probably >> do the same. One of the beagleboard.org google group community "liyoshi" >> I think had a Qt app booting in under 5 seconds too I think. It's been a >> while since I've seen that post, and do not remember what topic is was >> under . . . >> > >> > >> > I'll check that video in a bit though. >> > >> > On Sun, Jun 7, 2015 at 8:47 PM, Rick Mann <[email protected]> >> wrote: >> > >> > > On Jun 7, 2015, at 16:54 , rh_ <[email protected]> wrote: >> > > >> > > Wouldn't you want to know how much time it takes before deciding >> > > to reduce the time it takes. >> > >> > Hence my question. >> > >> > > How long is your "power on to my C user code running"? >> > >> > Forever. This is an embedded device that I'd like to be operational >> from power-on (it's not necessarily always powered). I don't want to make >> the user wait. >> > >> > >> > -- >> > Rick Mann >> > [email protected] >> > >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> Groups "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> > >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> Groups "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> Rick Mann >> [email protected] >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
