Thank you for the fast response, Robert. I have not built U-Boot before. Can you please point me to any documentation on getting/building the source and the patch you referred to?
Thank you! On Tuesday, May 27, 2014 10:29:15 AM UTC-7, RobertCNelson wrote: > > On Tue, May 27, 2014 at 12:19 PM, <[email protected] <javascript:>> > wrote: > > I have a Debian image loaded on my BBB's eMMC, and I would like to > prevent > > it booting from the SD Card if it is present even if the SD Card has a > valid > > system installed on it, UNLESS I press the User Boot (S2) switch. As I > > understand it, S2 only controls which U-Boot (uEnv.txt) is initially > loaded, > > but by default U-Boot will always then proceed to boot from the SD Card > if > > it has a valid image (regardless of the state of S2). Is there > something I > > can add to my eMMC's uEnv.txt that will override this default U-Boot > > behavior and force it to continue loading from eMMC unless the S2 switch > is > > still being held? > > Nope, nothing out of the box, just take the u-boot patch and rebuild > it with your modifications. > > Right now, the only way it will ignore a "valid" microSD card is if > you remove the "uenvcmd" variable define from your uEnv.txt on the > microSD card. > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > -- 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.
