• How to access dma330 register in user mode?

    I find dma330 module configured in secure mode, boot_manager_ns bit is set to 0.

    I tried to access dma330 secure-mode registers, but failed.

    Please how to access dma330 secure registers in user mode?

    Thanks.

  • How to operate boot manager in juno board?

    Hi experts,

    I want to set arguments for kernel loader, how to select and set boot manager?

    for example,

    File path of the EFI Application or the kernel:

    Has FDT support? [y/n]

    Add an initrd: [y/n]

    luked

    thanks.

  • Power/Energy counter access

    Has anyone read the power/energy counters on Juno from Linux? If I remember right on tc2 they were exposed via hwmon, but the the devices aren't listed in the Juno DTS file.

    Thanks,

    Ali

  • Setting memory frequency

    Is there a way to fix the memory frequency on the board to some other values other than 800MHz?

  • How to generate timer interrupt?

    Hi all,

    I was studying juno_ADP_trm.pdf, but i don't find how to generate timer interrupt? for example, loop interrupt of 1ms.

    someone did it?

  • How do you change Linux command line on Juno?

    Just like the title says, where do you change the command line Juno uses to boot linux?

    Thanks,

    Ali

  • Switching from AARCH64 to AARCH32


    Hi,

    We are trying to switch from AARCh64 to AARCH32 using the following command.

    sudo su

    cd /root

    schroot  -c armhf-trusty

    But it says command not found. We are using munimal version of AARCH64 from linaro and prebuild board recovery image 4.0.

    What is…

  • Juno Documentation

    Is there other documation for Juno other than the "Getting Started Guide" and "Software Guide"?  Does more come with the board?  We are expecting our board this week.

  • Anyone running gator with Juno?

    I've been trying to get DS-5 5.18 working with gator and Juno and not having any luck.  I built the daemon and driver, but there seems to have been some drift in the tracing infrastructure making it hard to get gator to work with the 3.15 kernel.  Anybody…

  • Status of PCIe on Juno

    Does anyone know the status of PCIe on Juno? Is it possible to use a SATA hard drive or the gigabit ethernet?

    Thanks,

    Ali

  • Juno freeze after firmware

    Just reset my Juno this morning and I'm getting the left most LED flashing, the firmware version, build date, time, and date and then it seems to freeze.  Any tips?

    ARM V2M-Juno Boot loader v1.0.0

    HBI0262 build 150

    ARM V2M_Juno Firmware v1.1.1

    Build…

  • How to change the boot value of a control register with Juno?

    Could someone suggest a way to change the boot value of a control register (e.g. ACTLR)? It seems like i'd want to do it in bl31:bl31_arch_setup(), but does each CPU go through bl31 or just the boot CPU? If I was just interested in the A7s is there a…

  • How can I confirm how fast the Cortex-A57 and CortexA53 cores are being clocked at on my Juno board?

    I'm using the standard firmware with an OpenEmbedded filesystem on a Juno Development Platform

  • Juno "IP-Config: Failed to open eth0"

    My Juno board sometimes comes up with "IP-Config: Failed to open eth0" and uses eth1 instead, causing my Android start-up to fail as it will only use eth0. Any idea why this might happen? Power cycling the board fixes the problem.

  • Linux Boot on Juno Board

    JunoBoot.png

    So, I guess the loader is looking for the filesystem on sda1 when my card has been mounted to sda. Does anyone know where can I append the correct root option? I have already tried moving the card to different ports.


    My firmware is completely unmodified…