Re: RFC: Force a 2s delay on startup to allow bypassing /dev/env0.
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On Sun, May 06, 2012 at 07:50:14PM +0200, Krzysztof Halasa wrote: > Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes: > > > Being able to interrupt before environment processing is a good thing to > > have, the delay though is not acceptable because it would increase the > > boot time on some systems by 400%. It should work without the delay > > aswell. > > Actually the delay is a bit problematic for me as well. > Unfortunately the boot code has to initialize the serial port, clearing > the incoming FIFO. This means I can't "queue" the ^C character, barebox > has to wait for it (maybe not for the whole 2 seconds). > > Or am I mistaken? On my boards I can still interrupt even with autoboot_timeout=0. Have you tried it? It may be a bit dependent on the UART driver, I don't know. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox