• State Resolved
  • Locked Locked
  • Replies 4 replies
  • Subscribers 101 subscribers
  • Views 2262 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

C6678 reset function

Alejandro Gimeno
Intellectual 475 points
Other Parts Discussed in Thread: TMS320C6678

Hi all,

is there a reset function on the TMDSEVM6678LE? I mean, a function that I can call from my code and that makes the same stuff as pressing the Full Reset button.

Thanks

  • 0
    Intellectual 830 points

    Hi Alejandro, I suggest a reset via the PLL Reset Control Register. Here are some threads about it. [You can ignore the questions about PCIe]:

    http://e2e.ti.com/support/dsp/c6000_multi-core_dsps/f/639/t/131840.aspx

    http://e2e.ti.com/support/dsp/c6000_multi-core_dsps/f/639/t/172491.aspx

    Regards, Jonathan

  • 0
    TI__Mastermind 30825 points

    You can perform a 'Hard Reset' by writing the RSTCTRL register (along with RSTCFG register) (see sections 7.5.2.7 & 7.5.2.8 of the TMS320C6678 Data Manual.)  This resets everything but the Emulation and Reset Isolation Modules.

    That's as close as you get to the push button POR reset you get on the board. 

    Best Regards,
    Chad

  • 0 in reply to Chad Courtney
    Intellectual 475 points

    Hi Jonathan and Chad,

    I have followed your suggestions and I have made this reset function (very simple):

    void reset()
    {
     volatile unsigned int * pRSTCTRL = (volatile unsigned int *) (0x023100E8);
     volatile unsigned int Key = 0x5A69;
     *pRSTCTRL = Key;
     *pRSTCTRL = 0;
    }


    Since I want to make a hard reset, I think I do not have to make anything else (like putting some bits to 1 in the RSTCFG register).

    It seems to work great!

    Thanks a lot!

  • 0 in reply to Alejandro Gimeno
    TI__Mastermind 30825 points

    Jonathan,

    That's correct, if you wanted a full Hard Reset you don't need to program the RSTCFG register.  I thought I'd mention it just in case.

    Best Regards,

    Chad