On Tue, May 27, 2014 at 12:19 PM, <[email protected]> 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.
