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EZSDK setup for NAND

Dennis McLeod
Intellectual 925 points

I'm following along with the documentation for setting up EZSDK. I am at the part where I'm configuring the NFS/TFTP.  I have changed the boot mode switches to NAND as instructed (SW1 set to 10010, SW2 set to 10). When I do this and turn it back on, all I see is a continuous stream of "C" on minicom.  I am certain I have minicom configured correctly because it works fine when still in MMC boot mode (SW1=10111, SW2=00). Is there a step I'm missing?

I'm using ti-ezsdk_dm814x-evm_5_04_00_11

Thanks in advance for any help

  • 0
    Expert 1015 points

    Hi, Dennis.

    I have s1 set to (msb)10010010(lsb) on my 8148evm. The 8th bit is responsible for choose between 8/16 bit nand.

  • 0
    Intellectual 925 points

    I found my problem. I'm just posting in case anyone else makes the same mistake. During setup, setup.sh offers to create a minicom startup script for you. It instructs you to "Please ensure that SW2 switch for NAND is in ON position."  I misread that statement and assumed it was saying to configure the switches for NAND booting (including SW1 changes to 10010). That is incorrect.. ONLY make the change to SW2 to enable nand. SW1=10, SW2 still 10111.

  • 0 in reply to Alexander Vasiljev
    Intellectual 925 points

    Alexander Vasiljev said:

    Hi, Dennis.

    I have s1 set to (msb)10010010(lsb) on my 8148evm. The 8th bit is responsible for choose between 8/16 bit nand.

    Thank you!  That'll be helpful when I actually get to booting from NAND. I'm still just getting started right now though, trying to boot over TFTP.  Thanks again for helping!