Home Forum Software discussion Power management firmware for 17.10 branch ATF

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    suihkulokki
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    Hi,

    The power managment firmware, RTOSDemo-cm3.bin, linked from:

    http://wiki.macchiatobin.net/tiki-index.php?page=Enable+Power+Management+on+MACCHIATObin

    Does not work on 17.10 branch arm-trusted-firmware – the file format has changed. An properly formatted binary can be found from:

    https://github.com/MarvellEmbeddedProcessors/binaries-marvell/tree/binaries-marvell-armada-17.10

    But passing SCP_BL2=binaries-marvell/mrvl_scp_bl2_8040.img reports missing PM firmware in MSS.

    
    Found valid image at boot postion 0x002
    lNOTICE:  Starting binary extension
    NOTICE:  SVC: SW Revision 0x0. SVC is not supported
    mv_ddr: mv_ddr-armada-17.10.3-g656440a (Feb 08 2018 - 22:19:24)
    mv_ddr: completed successfully
    NOTICE:  Cold boot
    NOTICE:  Booting Trusted Firmware
    NOTICE:  BL1: v1.3(release):armada-17.10.7:43965481
    NOTICE:  BL1: Built : 22:19:25, Feb  8 2018
    NOTICE:  BL1: Booting BL2
    lNOTICE:  BL2: v1.3(release):armada-17.10.7:43965481
    NOTICE:  BL2: Built : 22:19:25, Feb  8 2018
    BL2: Initiating SCP_BL2 transfer to SCP
    NOTICE:  SCP_BL2 contains 2 concatenated images
    NOTICE:  Load image to CP1 MSS
    NOTICE:  Loading MSS image from address 0x4023020 Size 0x1378 to MSS at 0xf4280000
    NOTICE:  Done
    NOTICE:  Load image to AP MSS
    NOTICE:  Loading MSS image from address 0x4024398 Size 0x1f68 to MSS at 0xf0580000
    N
    
    FreeRTOS 7.3.0 - Marvell cm3 - A8K release armada-17.10.1
    
    OTICE:  Done

    NOTICE: SCP Image doesn’t contain PM firmware

    NOTICE:  BL1: Booting BL31
    lNOTICE:  MSS PM is not supported in this build
    NOTICE:  BL31: v1.3(release):armada-17.10.7:43965481
    NOTICE:  BL31: Built : 22:19:25, Feb  8 2018
    

    Also, the PM document talks about Marvell 4.4 kernel – Apart from the device tree changes, are there other bits that missing from mainline kernel to support cpuidle and cpufreq?

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