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Original question:

TMDSCNCD263: Lauterbach flashing script

AM263x, Initial QSPI startup without UART0 access

Jarett Beer
Prodigy 25 points
Other Parts Discussed in Thread: AM2634, UNIFLASH

Hello,

I have a AM2634 with blank QSPI flash and I would like to program the secondary bootloader using JTAG with a Lauterbach debugger.

I currently can modify my hardware to be able to access UART0 and program the secondary bootloader but I would like to do his completely with JTAG so the hardware modification is not necessary. 

Is this possible with the Lauterbach debugger? If not is it possible with a different debugger like the XDS110 or XDS200?

Any advice or solutions would be appreciated.

Jarett

  • 0
    TI__Guru 55095 points

    Hi Jarett,

    There is one way to flash the SBL into the QSPI flash using JTAG (without using UART):

    1. Set the boot mode to DevBoot mode (No boot mode)

    2. Then use GEL to initialize the SOC and board

    3. Use CCS + JTAG to connect to the R5F_0_0

    4. Load the mcu_plus_sdk_am263x_08_06_00_34\examples\drivers\boot\sbl_jtag_uniflash to flash the new SBL into the QSPI flash

    See AM263x MCU+ SDK: Additional Details for details

    Best regards,

    Ming