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Original question:

66AK2G12: GPMC and EMU pin conflict

66AK2G12: Bootmode support

Srikanth Kacchu1
Expert 1255 points
Part Number: 66AK2G12

Hi

Technical reference manual for 66AK2G12ABY100 (spruhy8i) says the device supports multiple bootmodes based on the user selection.

I have gone through some software stuff in Processor SDK RTOS which says that the release of SBL supports MMCSD and QSPI boot modes only under section 4.6.3.5.6.

Link: http://software-dl.ti.com/processor-sdk-rtos/esd/docs/latest/rtos/index_Foundational_Components.html#k2g

Can anyone please clarify?

Regards

Srikanth Kacchu

  • 0
    TI__Genius 9065 points

    Hello Srikanth,

    The technical reference manual is focused on the silicon itself, the bootmodes mentioned here is supported by the RBL (ROM bootloader). Meaning, supported by this device.

    The link you have is on SBL (secondary bootloader), which is a "small application" loaded by RBL. This "small application" itself is a bootloader and it loads the final application. The mode supported by SBL is bounded by the EVM design. SBL can do board level initializations and can be customized for your use case since it is not in ROM. But you don't have to use SBL but use RBL directly. Meaning for your custom board, you can use any boot mode supported by the RBL which is specified in technical reference manual.

    best regards,

    David Zhou