• DMA transactions monitoring in juno board
    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...
  • Why does it fail to switch from EL3 to SVC mode ?
    (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...
  • Anyone successfully communicating with the Juno user microSD card ?
    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.
  • How to temporarily disable MMU in EL3?
    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...
  • How to fix "ERROR: Invalid EEPROM contents"
    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...