hexdump

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  1. Like
    hexdump got a reaction from Werner in h6 allwinner tv box need help!!!!   
    its not a trivial problem (i usually get serial consoles working easily) - i tried close to all speeds etc. ... its either that the connectors are not for the serial console (but they really look like: 4 connectors, one is mass, another seems to be vcc and the other two in the middle go directly to the soc chip), there are maybe some electrical components missing to make it work properly or u-boot output is somehow scrambled (never seen something like this so far) ... these are at least my guesses ...
     
    best wishes - hexdump
  2. Like
    hexdump got a reaction from oneminute in A5x max - rk3328 help booting from emmc   
    @oneminute - maybe give this dtb a try for booting form sd card only:
     
  3. Like
    hexdump got a reaction from jernej in Since Tanix TX6 can boot from the SD card   
    @jernej - good news: this patch seems to fix the emmc problem - on the eachlink i can now read and write the emmc in a stable way and on the qplus - where it was hanging on boot with emmc enabled in dtb - it does not hang anymore on boot and i can also read and write the emmc
  4. Like
    hexdump got a reaction from kissste in Pine H64 model A - emmc boot stuck - sunxi-mmc 4022000.mmc: data error, sending stop command   
    @kissste - there is a good chance, that this patch will fix your problem too - for me it fixed the emmc problems - see
     
  5. Like
    hexdump got a reaction from jernej in Since Tanix TX6 can boot from the SD card   
    @jernej - bisecting in progress - 14 rounds, so it will take a while
  6. Like
    hexdump got a reaction from armar in Armbian for TV box rk3328   
    @armar - yes with the -I or -O fs options you can also use a device tree structure as input or output for the dtc command - it then works exactly like a dtb file with the -I or -O dtb options.
     
    @Sico - your edited dts file looks right - the last easy option is see would be to set the dmc-opp entry (memory voltage and frequency scaling) for opp-600000000 and opp-800000000 from disabled to okay like in your dts, but i guess it will not help much neither. opp-hz should not really differ between the dts files, except for the higher disabled clocks by me.
     
    if all that does not help, i would suggest you get some pl2003 usb to serial adapter and solder a serial console to your board (only gnd, rx and tx - usually tx from the board to rx of the adapter and the other way around). this way you will be able to see the bootup messages and get an idea about what really is the problem. one thing to be aware is that the baud speed of the serial console is 1500000 for rockchip devices instead of the usual 115200.
     
    good luck - hexdump
  7. Like
    hexdump got a reaction from armar in Armbian for TV box rk3328   
    hi @armar - the above device-tree-copy.tar.gz is the android dtb, just in another format and read from the system in an easier way
     
    @Sico - your hardware is definitely different from the 4g/32g t9 hardware - atttached is the resulting android dts file for your box - what you can do is: take my rk3328-t9.dts file from above and change all the opp-microvolt* values in the various sections to the values in your dts file and then build your dtb from it on a linux machine with the command "dtc -I dts -O dtb your-modified-rk3328-t9.dts > rk3328-t9-2g.dtb" and try this dtb then. you might need to install the "device-tree-compiler" package on your linux system for this.
     
    good luck and let me know about the result and post the resulting rk3328-t9-2g.dts and rk3328-t9-2g.dtb files here in case it works.
     
    hexdump
    t9-2g.dts
  8. Like
    hexdump got a reaction from Qooerr in Armbian for TV box rk3328   
    with this diff against rk3328-evb.dtb for the 4.4 rockchip kernel i got mmc, serial console and the usb2 port working for a t9 rk3328 box (4/32g) and i think the h96max+ is similar, so maybe it will work there too - the resulting rk3328-t9.dtb and .dts are attached as well. @balbes150 if it works for others too it might be worth to include it into future rk3328 tv box images maybe.
    rk3328-t9-dtb.diff
    rk3328-t9.dtb
    rk3328-t9.dts
  9. Like
    hexdump got a reaction from ole1105 in Armbian for TV box rk3328   
    with this diff against rk3328-evb.dtb for the 4.4 rockchip kernel i got mmc, serial console and the usb2 port working for a t9 rk3328 box (4/32g) and i think the h96max+ is similar, so maybe it will work there too - the resulting rk3328-t9.dtb and .dts are attached as well. @balbes150 if it works for others too it might be worth to include it into future rk3328 tv box images maybe.
    rk3328-t9-dtb.diff
    rk3328-t9.dtb
    rk3328-t9.dts