Hi Sean, (can you please set your mailer to wrap lines at about 70è75 characters? Thanks in advance!)
On Thu, 14 Feb 2013 12:19:11 -0800 (PST), Sean Omalley <[email protected]> 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. :) > > Even if it resets the cpu, or sends a signal to the jtag_reset would be fine. > When the machine locks up, I don't want to have to push a button or unplug it > since most of the time, I am not in the same vicinity as the machine. Leaving > a serial console attached and remoting into another machine is easier and > cheaper, then other alternatives. I could send a signal from a gpio to the > jtag_reset (or short it), but the machine I would -want- to use doesn't have > a gpio, and I don't want to spend money for multiple jtags when it seems more > logical to do it through the serial console. 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. > Thanks! No problem. Amicalement, -- Albert. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
