• Support for idle cycle injection and thermal/power management on the Juno development board?

    Raghavendra Pothukuchi
    Raghavendra Pothukuchi

    Hi,

    I am planning to buy a Juno development board for my research on power management. Does it support idle cycle injection through the OS - as included in the latest kernel update (https://lwn.net/Articles/757393/) or like the powerclamp driver from…

    • over 1 year ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to use old releases on Juno board?

    Zhenyu Ning
    Zhenyu Ning

    Hi all,

    I am using with Juno r2 board, and trying to play with the ARM Compute Library on the board. The library requires use-space binary driver for mali GPU, and currently the driver is only available for Android 7.0.1, Android 6.0.1 and Android 5.1.1…

    • over 1 year ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Confused by OS Lock in Juno board

    Zhenyu Ning
    Zhenyu Ning

    Hi all,

    I am using 64-bit android on Juno r1 board, and get confused by the OS Lock when playing with ETM. 

    The armv8 manual tells that the OS lock is used to restrict the external debugger, and can be unlocked by writing 0 to OSLAR_EL1 register. Moreover…

    • over 1 year ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Could not find the link to download csat.exe for windows. Is that now discontinued?

    kalpak
    kalpak

    Hi,

    Could not find the link to download csat.exe for windows. Is that now discontinued?

    regards,

    kalpak

    • over 1 year ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • SCP firmware for Juno board

    Zhenyu Ning
    Zhenyu Ning

    Hello,

    I am trying to play with the SCP on Juno board. However, I found that the source code of SCP firmware for Juno board is not included in ARM Trusted Firmware. I do get some open source SCP firmware on ARM's github, however, it seems that this SCP…

    • Answered
    • over 1 year ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to temporarily disable MMU in EL3?

    Zhenyu Ning
    Zhenyu Ning

    I am using Trusted Firmware provided by Linaro on Juno Board R1.

    Now I want to disable MMU in EL3 and do some custom jobs, and then enable MMU again. As I don't want to disturb other codes in EL3, I guess I have to clear the instruction cache, data cache…

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Is there any way to access Trusted RAM in normal domain?

    Zhenyu Ning
    Zhenyu Ning

    I am using Juno Board with Linaro's trusted firmware.

    For the convenience of debugging, I want to access the Trusted RAM(0x04000000-0x04040000) in normal domain, and directly flash the image into memory instead of erasing the flash every time. But…

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • cannot connect third-party JTAG Debugger to Juno-r1

    Shigeru Akiyama
    Shigeru Akiyama

    Hi Experts,

    I am trying to connect a third-party JTAG Debugger(Yokogawa Digital Computer adviceLUNA) to Juno-r1 Board.

    When using the firmware provided from Recovery-CD, the debugger is connected to Juno.
    But when using the firmware builded 15.12 LSK with…

    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Can't resume PCI Express on Juno

    takeshi naruse
    takeshi naruse

    I am using Juno-R1 board with Linaro Release 16.02 Latest (juno-oe).

    I can put Juno into system suspend, but can't resume as it is the suspend state forever.

    Running the following command :

         # echo +5 > /sys/class/rtc/rtc0/wa…

    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Juno R1 Running SMC in Normal Domain

    Shengye Wan
    Shengye Wan

    Hi there,

    I have implemented my Juno R1 board with the Android system of Linaro.

    Now I'm trying to call the SMC instruction with an application implemented in the normal domain.

    I see the website ARM Information Center  mentions "SMC is available…

    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • ARM juno boot flow steps

    srinivas
    srinivas

    Hi,

    I am very new to ARM juno, I have few doubts

    1. complete details about boot flow
      • How to create boot images
      • Description about each boot image in detail
      • What are the peripherals initialized at each stage of boot image
      • Generally each size of boot images

         2…

    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to fix "ERROR: Invalid EEPROM contents"

    Jin Choi
    Jin Choi

    Hi,

    I was trying to upgrade to the latest firmwares, but I met a problem saying "Failed to operation.." during writing images.

    In an attempt to fix the problem, I erased images stored in Motherboard eeprom any how. After that, booting is failed…

    • Answered
    • over 6 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to read non-secure SP_EL1 in BL31?

    Zhenyu Ning
    Zhenyu Ning

    I am using Linaro's Android release on Juno r1. While the Android OS is running, i switched into EL3 by smc instruction. Then, in the smc handler of BL31, i want to read the value of SP_EL1 register in the Android to verify the current process in the…

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to configure the interrupt of push buttons to be secure?

    Zhenyu Ning
    Zhenyu Ning

    I am using Linaro's Android release on Juno r1. I noticed that there are 6 user push buttons on the board, and I am trying to use the buttons to trigger a world switch (from non-secure to secure).

    Firstly I found the interrupt id for the push buttons…

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Can I route debug exceptions (like software step exceptions) from lower exception level to EL3?

    Zhenyu Ning
    Zhenyu Ning

    In the manual of arm-v8a, it mentions that the debug exceptions could be routed to EL1 or EL2. However, i don't really want to implement EL2 on Juno, so is there anyway to route these exceptions to EL3?

    Thanks for any help!

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Juno Board - 32-bit Linux Kernel

    Leandro
    Leandro

    Hi,

    is there any 32-bit Linux Kernel for the Juno board?  I have an application where I can't use 64-bit Kernel.

    Thank you.

    • Answered
    • over 4 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Exception running Bare metal code on JUNO r0 platform

    Amit
    Amit

    Hi,
    I am using Juno platform to run example Baremetal codes provided by DS-5 software examples. I have followed the steps as suggested in www.community.arm.com/.../tutorial-baremetal-development-on-the-juno. I have used precompiled Image copied on MMC…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Juno r0 does not boot with linaro android after u-boot

    seehwan
    seehwan

    Hi, 

    I am using Juno r0, and want to run android on that. 

    So, I tried to work with 1) prebuilt linaro repo, 2) build from source for linaro 16.12.

    However, it does not working after u-boot.

    In fact, it seems like it stops in the middle of u-boot.

    When I…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Issue of Using Linaro's deliverables on Juno

    Shengye Wan
    Shengye Wan

    Hi Ash Wilding,

     

    I'm currently using a Juno r1 board and I'm running the Linaro's deliverables on my board.

     

    Recently I want to build the OpenEmbedded system by myself so I checked the instruction.

    However, after I finished the first five s…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Looking for a Post about Linaro and Juno from Old Website

    Shengye Wan
    Shengye Wan

    Hi experts,

    I once bookmarked a weblink https://community.arm.com/docs/DOC-10804 which is showing how to set up a workspace for Juno board with OP-TEE 16.02.

    Now I want to find a way to set up a new workspace with OP-TEE 16.02 while the URL is automatically…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Issue of Building the OpenEmbedded Filesysytem from Source for Juno

    Shengye Wan
    Shengye Wan

    Hi Mark Nicholson, Ash Wilding,

     

    I'm currently using a Juno r1 board and I'm running the Linaro's deliverables on my board. 

    Recently I want to build the OpenEmbedded system by myself so I checked the instruction. However, after I finished the…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to Install Program for OpenEmbedded Minimal File System?

    Shengye Wan
    Shengye Wan

    Hi experts,

     

    I'm wondering is there any tool for me to install applications on OE Minimal system like 'apt-get' for Ubuntu?

    My platform is Juno r1 and I deployed it followed the instruction.

     

    The main purpose of me is developing some kernel…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Cannot install Android on Juno board...

    dpopovic
    dpopovic

     Hi.

    So I have tried to install Android on the juno board following the instructions from here: https://community.arm.com/dev-platforms/b/documents/posts/using-linaros-deliverables-on-juno

    However I cannot get it to boot up into to the OS..

    Can someone…

    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • About the skid problem in PMU overflow interrupt

    Zhenyu Ning
    Zhenyu Ning

    I asked a question about the PMU skid problem about half years ago (https://community.arm.com/tools/dev-platforms/f/discussions/6986/about-the-interrupt-handling-in-gic), and i understand that the skid exists as the interrupt is an asynchronous exception…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Is there any ETMs supporting data trace in the market?

    Zhenyu Ning
    Zhenyu Ning

    The manual of ETM tells that the ETM supports data trace. However, we checked the manual of Juno board and most recent Cortex A75 processors, and found that the data trace is not implemented. Currently, is there any ETM supporting data trace in the market…

    • Answered
    • over 3 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
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