On Mon, Mar 28, 2011 at 4:57 AM, Rogan Dawes wrote: > I'm wondering if there is any support in u-boot for reading the state of > a GPIO input (i.e. button) to control the sequence of boot events? > > i.e. my board has a reset button, can I read its state to determine > whether to try to TFTP-boot a new kernel, or to boot the existing one in > flash? > > I did try to grep the sources for any hints, but did not find anything. > I may have been looking in the wrong place, of course!
i plan on generalizing arch/blackfin/cpu/cmd_gpio.c for all arches in this next cycle (it is mostly done). but that would require your arch to support the generic gpio layer. -mike _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
