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Booting of evm omapl137 through spi0 flash

Jagdish Patange
Intellectual 290 points

Hi

I am working on omap l137 evm. I am trying to boot it from spi0 flash.i have followed these steps.

1. using 'aisgen' tool led.bin created for led.out input file. Bootloder rom revision d80k001 selected and 'configure for evm' selected. led.out file is one of the examples of evm in tests folder.

2.spiflash_writer_dsp project loaded in ccs5 and 'dspais' command is given then 'led.bin' is entered. Then it writes in flash and finally 'files verfied' is displayed.

3. disconnected the target and power off the board

4. selected boot pins as 0101X and power on board but expected led blinking did not happen.

I seek your help for booting of this board.

Thanks n regards

Jagdish Patange

  • 0
    Intellectual 265 points

    Hi Jagdish,

    you will find usefull information here http://processors.wiki.ti.com/index.php/Omapl137_linux_bootup

    Your led.bin application is supposed to be executed on DSP or ARM? (just to be sure that you don't consider AisGen for ARM application)

    If you consider DSP, your application is supposed to be loacted at the beginning of SPI Flash (because in this case your application converted with AisGen tool substitutes the default dsp-ubl-ais.bin which is supposed to performed low level initialisation and to wake up ARM).

    Most of the examples in the EVM folder have to be executed with Code Composer (using a JTAG probe to load the code into memory). These examples are not supposed to be boot-loader...

    regards