Hi Michal, On 11 February 2015 at 10:16, Michal Suchanek <[email protected]> wrote: > > Hello, > > I changed the SYS_START to work around the bug in the manufacturer > firmware, applied snow_defconfig, built u-boot.bin, packed it into > kernel uimage, signed it, copied it to a kernel partition, bumped > priority of the partition, and rebooted. >
Do you mean u-boot-dtb.bin? If not you won't get a device tree and it won't work. > I get black screen with backlight on. > > So > > 1) is u-boot supposed to have graphics console output? > If so where is that output? LCD/HDMI/what HDMI mode? > > The only display related option in menuconfig seems to be some SPI > display bridge. Yes it should be enabled, works for me. > > 2) is u-boot supposed to have serial console output? > If so where is that console? > There is supposed to be some 'servo' connector somewhere but I did not > find any information on the pinout. Yes but you can only access it on the servo pints. From Pit/Pi this is a little easier, but for snow you will need to do some very fine soldering. > > 3) how do I tell if u-boot is even running? I think you are doing the right things. Regards, Simon _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
