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Thread: Enable LockStep Mode

  1. #1
    Beginner Beginner lsh9640 is on a distinguished road
    Join Date
    Jul 2018

    Enable LockStep Mode

    Hi, I am using TC275
    and there is CPU LockStep features in it. So I am trying to use a lockstep feature but it has to be enabled right after cold reset before entering initialization.
    but based on the sample code i received from chipbender, this is as far as I can go and Lock step register does not change to enable

    void _START(void)
    	Ifx_SCU_LCLCON *LockStepCpu0 = &(*(volatile Ifx_SCU_LCLCON *)0xF0036134u);
    	LockStepCpu0->B.LSEN = 1;
    Click image for larger version

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    How can I enable the lockstep feature ??

    Sorry my english is not good but I tried to explain as much as I could


    Best Regards,
    Dongah Electric Componenet R&D Center Research Engineer, Korea

  2. #2
    Advanced Advanced cwunder is on a distinguished road
    Join Date
    Feb 2015
    From the manual:
    These registers are only initialized by a cold power-on reset. In this initialization state, all lock stepped processors in the system will have lockstep enabled. The lockstep function can only be disabled by the system initialization software writing a 0 to the LSEN bitfield. Application software cannot enable or disable the lockstep function.

    The registers which are used to configure and enable CPU Lockstep Mode are only writeable by Infineon's start-up firmware and are configured from the BMI
    See section Configuration by Boot Mode Index (BMI) in the users manual.

  3. #3
    Beginner Beginner lsh9640 is on a distinguished road
    Join Date
    Jul 2018
    Thank you for your consideration

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