On 02/15/2013 02:00 PM, Harvey Chapman wrote: > On Feb 15, 2013, at 7:38 AM, Albert ARIBAUD <albert.u.b...@aribaud.net> wrote: >> On Thu, 14 Feb 2013 12:19:11 -0800 >> (PST), Sean Omalley <omalle...@rocketmail.com> wrote: >> >>> Is there anyway to break back into u-boot after trying to boot from linux >>> (arm)? Similar to Open Firmwares stop-a, ctrl-break? I didn't see anything >>> in the documentation nor poking around online. I am really hoping I missed >>> something, or there is support that just needs to be compiled in. :) >>> >> As soon as U-Boot gives control to the payload (Linux or whatever) >> there is no possible assumption that U-Boot remains intact in RAM, so >> your only chance is indeed some hardware reset... But then the question >> is not related to U-Boot any more. > On that note, does anyone know of a device that would do this? Perhaps a > combination device like this: > > - USB interface to a pc > - serial port for device > - relay controllable A/C power plug (U.S.) > - controllable gpio (for wiring to a power button, reset switch, etc) > > If your board/processor has it, a watchdog can be used to force a reset if it expires...
-- Peter Barada peter.bar...@logicpd.com _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot