• Issue FIQ pending arm trusted firmware

    armdev
    armdev

    Hi,

    I am running arm-trusted-firmware on Juno and when I breakthrough DS-5 on EL3 level I see FIQ pending status in ISR_EL1.

    I am trying to bring-up linux guest OS and when I try to run linux image I am entering virtual FIQ handler at EL2 level.

    Please let…

    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Issue with eret

    armdev
    armdev

    Hi,

    I am doing "eret" from EL2h mode and expecting that I should jump to EL1h mode but rather it is taking me to EL0t mode.

    I am trying to root cause the issue but not able to figure out. Any pointers will be helpful ?

    Thanks

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • run kexec on Juno board

    Liu Song
    Liu Song

    Hi all,

    Is anyone had run kexec on Juno board successfully? I tried, but can't jump to the second kernel. From DS-5, I found the pc register point to addr 0x00000xxxxx,

    which means failed in kexec-tools. The tools I get from "git://git.kernel.org…

    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • accuracy of periodic interrupt from generic timer

    mike
    mike

    1.Cortex-A9 has a private timer that supports one short and continous modes. We can configure it as continous mode and it will generates periodic interrupts without any more configuration.

    2.Cortex-A53 replaces the private timer with generic timer. But…

    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How to check Cache DATA view for Juno

    armdev
    armdev

    Hi,

    I am trying to check cache line for an address by connecting Juno with DS-5 but I get "No tables available".

    I also changed DTSL configuration editor settings by enabling both options bust still can not see any thing.

    I also tried running directly…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Issue with stxr in ARMv8

    armdev
    armdev

    Hi,

    I am writing a simple spinlock taking Juno arm trusted firmware spinlock code.

    But for me stxr instruction is always failing giving w1 value as "1" always.

    When I read ARMv8 spec it says (under section B2.10.5) "Unpredictable behavior when…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Big-endian kernel run on Juno board

    Liu Song
    Liu Song

    Hi All,

         My Juno board could run a big-endian kernel, but it just work in UP mode, when I compiled

    the kernel in SMP mode, it always halted in "arch_spin_lock".

         I checked the PE status, when halted, pc register alway…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • Why does it fail to switch from EL3 to SVC mode ?

    mike
    mike

    (1) I intrrrupt the cpu in UEFI (EL2) by press enter key when the serial outputs the following message.

    NOTICE:  Booting Trusted Firmware

    NOTICE:  BL1: v1.0(release):14b6608

    NOTICE:  BL1: Built : 14:15:51, Sep  1 2014

    NOTICE:  BL1: Booting…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • JUNO idle states - how to exit from

    Anes
    Anes

    Hi,

    I have examined "cpuidle" procedure for ARM JUNO board with different idle states. My question is related to idle states which will cause the CPU core to suspend itself. I am familiar with properties under "idle-state" device tree node. …

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • How could Juno board run a Big-Endian kernel?

    Liu Song
    Liu Song

    Hi All,

        I want lauch Big-Endian(instructions little endian, data big endian) kernel on Juno board. I compiled the kernel with "CONFIG_CPU_BIG_ENDIAN = y".

    I also confirmed that the Image's instructions compiled in little endian…

    • Answered
    • over 5 years ago
    • Open Source Software and Platforms
    • Arm Development Platforms forum
  • 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 5 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 5 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 5 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 5 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 5 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 5 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 5 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 5 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 5 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 5 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
  • 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
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