Re: [agl-dev-community] AGL with OPTEE on Raspberry Pi 3 #help

"Leon Anavi" <leon.anavi@xxxxxxxxxxxx> · Thu, 5 Mar 2020 17:25:33 +0200

    Hi,

      Please keep in mind that AGL is significantly different from
      Raspbian. A walk-through for building AGL from scratch for
      Raspberry Pi 3 and 4 is available at the following links:

      https://wiki.automotivelinux.org/agl-distro/agl-raspberrypi

      https://docs.automotivelinux.org/docs/en/master/getting_started/reference/getting-started/machines/raspberrypi.html

      Best regards,

      Leon

    On 2.03.20 г. 21:12 ч.,
      danojib@xxxxxxxxx wrote:

      Hi everyone. I'm totally new to this mailing list and not even
        sure if this is the right way to ask question. I'm currently
        trying to put OPTEE and AGL together on Raspberry Pi 3. There's
        a github repo that combined OPTEE with Raspbian (https://github.com/benhaz1024/raspbian-tee).
        I've been following the similar procedures. It looks like I can
        run the optee_example_hello_world, but now the issue
        is that I don't see the homescreen anymore. I can only access
        its shell via USB serial, and the screen hangs in the middle of
        booting log (always at the same spot, shown below).

        [ 21.773144] Bluetooth: HCI UART driver ver 2.3

          [ 21.777909] Bluetooth: HCI UART protocol H4 registered

          [ 21.783272] Bluetooth: HCI UART protocol Three-wire (H5)
          registered

          [ 21.814435] Bluetooth: HCI UART protocol Broadcom registered

          [ 21.971751] Bluetooth: RFCOMM TTY layer initialized

          [ 21.986261] Bluetooth: RFCOMM socket layer initialized

          [ 21.991673] Bluetooth: RFCOMM ver 1.11

          (Blinking cursor here)

        FYI, these are newly added files (which are outcome of build) to
        the SD card (besides tee-related files):

        /boot/armstub8.bin

          /boot/uboot.env

          /root/lib/modules/4.14.98-v7/*
      and these are overwritten files:

        /boot/bcm2710-rpi-3-b.dtb

        /boot/bcm2710-rpi-3-b-plus.dtb

        /boot/config.txt

        /boot/uImage

        In case anyone's wondering, I've also copied the full boot log
        of both pure AGL and AGL with OPTEE.

        AGL: https://pastebin.com/a6YzqKJk
      AGL+OPTEE: https://pastebin.com/hNUv63aD

        What I can guess is after OPTEE stuff is copied over to the SD
        card, the modules that were used in the pure AGL is not used
        anymore. The pure AGL module version is 4.9.80, while the newly
        added one says 4.14.98-v7. It looks like Weston is what GUI is
        related, and it isn't included in the new directory.

        I'm using pre-built image
        (6.99.5-agl-demo-platform-crosssdk-raspberrypi3.wic). Can anyone
        help me walk through? 

    -- 
Leon Anavi
Software Engineer
konsulko.com

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