Dear "Dexdyne Postmaster", In message <memo.20090811100117.121...@postmaster+dexdyne.com.cix.co.uk> you wrote: > Our hardware has a watchdog which has a maximum period of 1 second. > > Once I've got Linux up and going I can handle that. > > I'd love to have a watchdog so that if Linux doesn't take over, the board > will reset and try again. > > Is there any experience/example of u-boot driving a short-period watchdog > throughout the boot process I can try to copy?
Yes, that's a standard feature used by many boards. Worst case is a 80 millisecond timeout with a tolerance of +/- 20 millisec. 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: w...@denx.de Above all else -- sky. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot