On Thu, Jan 15, 2015 at 10:18:01AM +0100, Pali Rohár wrote: > On Thursday 15 January 2015 10:07:05 Pali Rohár wrote: > > Hello, > > > > when starting U-Boot (from git master) on Nokia N900 it show > > lot of these lines on N900 screen: > > > > Timed out in wait_for_event: status=0000 > > Check if pads/pull-ups of bus 1 are properly configured > > Timed out in wait_for_event: status=0000 > > Check if pads/pull-ups of bus 1 are properly configured > > ... > > i2c_read (addr phase): pads on bus 1 probably not configured > > (status=0x10) > > i2c_write: timeout writing last byte! > > > > But booting linux kernel working without problem. What above > > warning messages means? They were not in U-Boot 2013.04 > > version. > > Ok, these warning/error lines are generated by this code: > > /* reset lp5523 led */ > i2c_set_bus_num(1); > state = 0xff; > i2c_write(0x32, 0x3d, 1, &state, 1); > i2c_set_bus_num(0); > > in function misc_init_r() in file board/nokia/rx51/rx51.c > > Above code worked fine in U-Boot 2013.04 and now in U-Boot from > git master it generates warnings/errors. Why?
Sadly I think you'll have to git bisect to see just when things changed. This area of code is a bit finicky to say the least. -- Tom
signature.asc
Description: Digital signature
_______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
