• how to bypass BL3-1 arm-trusted-firmware running on Juno

    armdev
    armdev

    Hi,

    I am trying to take control at EL3 level and want to run my code on Juno. I am using arm-trusted-firmware package running on Juno.

    In order to achieve this I am using DS-5 debugger to breakthrough the code and setting the PC to my code but instead of…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Some questions about the SMMU of JUNO SoC

    wangyong
    wangyong

    JUNO SoC provides additional support for virtualization except Cortex-A57/A53 as follows:
    The CoreLink GIC-400.
    Stage 2 page table translation for masters, that the following provide:
    A CoreLink MMU-401 System Memory Management Unit (SMMU) for the following…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • DMA transactions monitoring in juno board

    Pallavi
    Pallavi

    Hi,

    We are interested in monitoring all the DMA transactions throughout juno board. we have gone through the technical reference manual and found PL330 is the respective DMA controller but found that the respective code in kernel is not getting compiled…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to measure power consumption in Juno Board?

    Nitin Chaudhary
    Nitin Chaudhary

    We are interested in measuring the power consumption (current consumption basically) in the Juno versatile board under different test scenarios. How could it be achieved?

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Anyone successfully communicating with the Juno user microSD card ?

    Stefan
    Stefan

    I have difficulties getting any command to be completed.

    Depending on power up sequence I get status 0x4 = "Command response timeout" or 0x800 = "Command transfer in progress" forever.

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Does anyone try to boot the latest kernel(3.19) on Juno?

    Chanho Park
    Chanho Park

    Hi,

    I want to enable the latest kernel on my juno board. Unfortunately, there is no kernel log after EFI.

    Is anything wrong?

    Start: 1

       PEI    219 ms

       DXE  13971 ms

       BDS   1088 ms

    Total Time =…

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Is Juno soc_uart1 only available in secure state ?

    Stefan
    Stefan

    I've been trying to use the soc_uart1 on the Juno board the same way as soc_uart0, but there seems to be a problem with this.

    Some files in 'arm-trusted-firmware' hint that the uart1 is only available in the secure world. Can I change this and use…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • how can i reset on juno board with script in DS-5?

    mkkim
    mkkim

    Hello, all

    i have one question.

    i want to debugging EL level debugging on Juno Board using DS-5 in step by step. 

    but, i don't know how can i reset Juno Board in DS-5

    I inputed "reset incommand window. but the result is as below.

    ERROR(TAD43…

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Building UEFI for Juno using gcc-linaro-arm-none-eabi compiler (32 bit)

    MANUEL GARCIA
    MANUEL GARCIA

    Hi .

    This may be an odd question, but has anyone tried successfully to build UEFI for ARM 32 bit on Juno ? When we attempted to do it this is what we tried without success, please let us know if there is a solution available:

    First we switched the toolchain…

    • 7131.zip
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • RenderScript GPU driver support on Juno

    Tim Klein
    Tim Klein

    There has been interest in the availability of the RenderScript GPU driver for Juno.

    I'm pleased to say that the Juno driver is expected to be released by the end of January 2015.

    The January release will support 32bit RenderScript bytecode only on…

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Is Juno Board suitable for ARM BSP development?

    Nitin Chaudhary
    Nitin Chaudhary

    We are interested in developing Board Support Package and Bootloader code for SOCs based on ARMv8 Architecture (A57/A53). Can someone please suggest is Juno Board a good option for it?

    We are interested in writing the BSP code for Memory Controller, UART…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Booting kernel using TFTP on Juno

    Mehdi
    Mehdi

    Hello

    i've been trying to boot the kernel using TFTP on Juno but no luck so far.

    i get all the time this error in case i set dhcp to yes in tftp entry : ERROR: Did not find Linux kernel (Time out).

    but if i put a fixed ip address i get this error : ERROR…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Kernel Support for Mali on the Juno Board

    Shyam
    Shyam

    Hi,

    Just wanted to ask whether the kernel image compiled from the LSK will have driver level support for Mali on Juno board? Guess the default kernel binaries that comes along with Juno has support for Mali.

    What are user space Mali drivers? Will they…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • KVM on Juno board

    John Paul Walters
    John Paul Walters

    Has anyone tried using KVM with the Juno board?  It doesn't look like the bootloader starts the cores in hypervisor mode, so it's not clear to me whether the current system software will support a hypervisor at the moment, even with the appropriate kernel…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to run DS-5 project directly on juno development platform

    JUGALA
    JUGALA

    Dear Ronan,

       We recently got a Juno board. We sucessfully done the setup for android on that.(using the steps given in Setting up Android on Juno)

    We are working on some multimedia application, which we want to port it to juno and see the performnace…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • Linux networking on Juno board

    John Paul Walters
    John Paul Walters

    Hi,

    I have the Juno board booting with the Linaro Linux rootfs and kernel version 3.10.52.  I see an eth0 device inside of Linux, and from the boot messages, I see that it's trying to DHCP an address, but neither DHCP nor assigning a static IP to the interface…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to access dma330 register in user mode?

    ocean
    ocean

    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.

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Juno DRAM device model

    Myeongjae Jeon
    Myeongjae Jeon

    Is there any pointer or an ARM-internal contact to ask about the DRAM device used in Juno board? It is 32-bit width, so simply I wonder if it is composed of 4 of 8-bit device or 8 of 4-bit device.

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • Technical questions about the Juno Development Board

    Pedro Tomás
    Pedro Tomás

    I am interested in buying a Juno development board, but have a set of technical questions related to the platform, namely:

       (1) What are the migration modes that are available on the ARMv8 big.LITTLE? In particular, can I use both Cluster and Global…

    • Answered
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • How to operate boot manager in juno board?

    ocean
    ocean

    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.

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Power/Energy counter access

    Ali Saidi
    Ali Saidi

    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

    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Setting memory frequency

    Aaron Beddes
    Aaron Beddes

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

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to generate timer interrupt?

    ocean
    ocean

    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?

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How do you change Linux command line on Juno?

    Ali Saidi
    Ali Saidi

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

    Thanks,

    Ali

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Switching from AARCH64 to AARCH32

    Biswa Singh
    Biswa Singh


    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…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
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