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  1. Thanks you I'll try to use this image I thought about this. Now I try to use ubuntu risc-v and it works my changes for nezha.dtb with this distribution https://cdimage.ubuntu.com/releases/22.04.3/release/ubuntu-22.04.3-preinstalled-server-riscv64+nezha.img.xz?_ga=2.90554782.566292208.1691731866-284423939.1691731866 Good luck, all the good
  2. sun20i-d1-nezha.dts.zip at 255 row I try add uart2 pins at 291 I try stop led at 576 I try disable serial@2500000 at 616 I try okay serial@2500800
  3. I use this Image for SD https://disk.yandex.ru/d/da8qJ8wyE1hhcQ/Nezha_D1/ArmbianTV/20220722/Armbian_22.08.0-trunk_Nezha_jammy_current_5.19.0_xfce_desktop.img.xz This Image from https://mangopi.org/mqpro After installation there are no /boot/armbianEnv file and /boot/boot.scr files, idk why. What about dtb file: there is /boot/dtb/allwinner/sun20i-d1-nezha.dtb file. I use command: dtc -I dtb -O dtb -f /boot/dtb/allwinner/sun20i-d1-nezha.dtb -o ~/sun20i-d1-nezha.dts In the .dts file I see that serial@2500000 and serial@2500400 status = "okay". Also I see that there are 2500800,2500c00,2501000,2501400 serials. For example I try set serial@2500000 status = "disabled" and set serial@2500800 status = "okay", then I use command: dtc -I dts -O dtb ~/sun20i-d1-nezha.dts -o /boot/dtb/allwinner/sun20i-d1-nezha.dtb && chmod +x /boot/dtb/allwinner/sun20i-d1-nezha.dtb After reboot I use command: dmesg | grep serial and stdout: 2500000.serial on... and 2500400.serial on... Something like this output. So recompiling .dts file with my changes is doing nothing. Yes, I want uart2 and uart3 and uart 4-5 in the future. I need many uarts There are no links at uarts in the .dts file after decompiling of .dtb file that I have after installation of this image.
  4. Fran A100, Hello Could you say about add overlay through "Grub and Ubuntu" on the mango pi mq-pro board? Please
  5. I cant do anything with this file... I try change pins in pinctrl@200000, I try disable/okay any interface and nothing is going on... Please, help
  6. Hello everyone I have some trouble with device tree from Mango Pi. There is no overlays in Mango Pi D1: armbian-add-overlay file.dts => output: D1 is not support for overlays. When start board, command dmesg | grep serial output: @2500000.serial and @2500400.serial. It's okay. When I decompiled sun20i-d1-nezha.dtb file I saw that serial@2500000 and serial@2500400 status = "okay", other serials status = "disable". There are serials: 2500000,2500400,2500800,2500c00,2501000,2501400. So I try, for example, to change status for serial@2500800 from disable to okay. After dtc -I dts -O dtb to the /boot/dtb/allwiner then I did reboot and dmesg | grep serial output only serial@2500000 and serial@2500400, there is no 2500800. What's the problem?:(
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