Dear Harvey Chapman, In message <[email protected]> you wrote: > > > 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)
The standard approach is to use a hardware watchdog that will reset the board if it is not triggered in time. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] A good marriage would be between a blind wife and deaf husband. -- Michel de Montaigne _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
