Hi, On Sat, Jun 6, 2015 at 3:13 AM, Hans de Goede <[email protected]> wrote: > HI, > > On 05-06-15 16:38, wens Tsai wrote: >> >> Hi, >> >> I'm seeing PMIC (AXP22x) init failures on my A33 boards. On my >> SinA33 it fails to set the RSB runtime address for the AXP223. >> As a result, the CPU is running at the default frequency of >> 408 MHz, instead of full speed. >> >> Wonder if anyone else is seeing these failures? > > > I've just double checked, and I'm not seeing such failures. > >> Also I can't get my Q8H v1.5 A33 tablet's LCD screen to display >> anything. It's just completely white. Any ideas? > > > That is likely because the lcd-controller (the one inside the > lcd) is not getting powered, so the entire lcd is in its > default transparent state, showing you the backlight. > > This is caused (I think) by your axp22x errors, because the > lcd controller is powered by the dcdc1_sw output.
That makes sense. > So I would focus on the axp22x errors for starters. Since > your seeing them on both your boards, this may be a case > of the compiler miscompiling the code somehow ? > > If you give me a defconfig I can do a build and send > you a binary to test ... https://github.com/wens/u-boot-sunxi/blob/q8h-v1.5/configs/Sinlinx_SinA33_defconfig https://github.com/wens/u-boot-sunxi/blob/q8h-v1.5/configs/Ippo_q8h_v1_5_a33_defconfig FYI I cross compiled for SinA33 on x86_64 with GCC 5.1.1 (Debian 5.1.1-8), and natively on my cubieboard with GCC 4.9.2 (Debian 4.9.2-16). Both fail. I can test the Q8H on Monday. Thanks ChenYu -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
