• Cortex A9 single core

    Vincent Siles
    Vincent Siles

    From the TRM of the Cortex A9 we can read in section 7.4.3 Cortex-A9 behavior for Normal Memory Cacheable memory regions:

    SCTLR.C=1 The Cortex-A9 Data Cache is enabled. Some Cacheable accesses are still treated

    as Non-Cacheable:

    • all pages marked as Write…

    • Answered
    • over 3 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • MMU and Cache configuration

    ZbinAhmed
    ZbinAhmed

    Hello there,

    I want to enable MMU and Cache to improve the performance of my arm cortex-A5 core.

    I have gone through the Reference manual of arm cortex a5 and found the below step to enable mmu and cache

    Steps :

    1.Disable cache, branch predictors

    2. Invalidate…

    • Answered
    • over 1 year ago
    • Processors
    • Cortex-A / A-Profile forum
  • ARM Cortex A9 - Enabling/Disabling the Caches

    M.Eladouly
    M.Eladouly

    Hello,

    I'm developing a custom bootloader for NXP i.MX6 DualLite (ARM Cortex A9).

    In this bootloader, I need to initialize ~50 MB of RAM to Zeros, this part executes really fast after enabling Caches, MMU and Program Prediction.

    What I need is to know…

    • Answered
    • over 2 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • L2 Cache(Pl310) initialisation sequence

    Shravan Alugala
    Shravan Alugala

    Hi ,

    I would like to validate L2 cache memory using U-Boot code which running on cortex-A9 dual core.

    Here is my L2 Cache initialisation code , While Reading/Writing to DDR Memory location, I doesn't see any Drhit,Dwhit event count register gets updated…

    • Answered
    • over 2 years ago
    • Processors
    • Cortex-A / A-Profile forum
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