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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » DaVinci™ Video Processors » DM816x, C6A816x and AM389x Processors Forum » DM816xEVM boot failed when BTM[4:0] ==> 00111
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DM816xEVM boot failed when BTM[4:0] ==> 00111

DM816xEVM boot failed when BTM[4:0] ==> 00111

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Jed ZHU
Posted by Jed ZHU
on May 02 2012 02:06 AM
Intellectual710 points

Hi experts,

We want to boot DM6168 from SD card preferred, then NOR flash, so we set the BTM[4:0] to b'00111 on EVM, and it failed to boot from SD card.

Is there something omitted?

Thanks in advance.

Jed ZHU

DM8168 boot
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  • Anil
    Posted by Anil
    on May 03 2012 01:48 AM
    Expert6655 points

    Hi Jed ZHU,

    Refer this section for switch settings

    http://processors.wiki.ti.com/index.php/TI81XX_PSP_U-Boot#EVM_Switch_Settings

    Regards

    AnilKumar

    Please mark this Forum post as answered via the Verify Answer button below if it helps answer your question.  Thanks!

    PSP dm8168 SD boot
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  • Jed ZHU
    Posted by Jed ZHU
    on May 03 2012 04:17 AM
    Intellectual710 points

    Hi AnilKumar,

    Yes, I know the EVM switch settings, let me explain it detailedly.

    Now I want to boot from SD card if SD card is available, if it is not available, I want to boot from XIP device (NOR flash), so I set the boot mode switch BTM[4:0] to b'00111, following the section 4.3 Boot Sequence, SPRS614A. But it boot failed even I insert a boot SD card (this SD card can boot properly when I set the BTM[4:0] to b'10111).

    Thanks,

    Jed

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  • Jed ZHU
    Posted by Jed ZHU
    on May 10 2012 20:15 PM
    Intellectual710 points

    Hi AnilKumar,

    The U-Boot guide just shows that the case of first priority boot device is NOR/NAND/SD card, but I want to boot from different device with specified priority, such as SD card firstly, if it is failed, then boot from XIP device.

    Best regards,

    Jed ZHU

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