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BOOT About OMAP-L137

NINGMENG CHEN
Intellectual 895 points
Other Parts Discussed in Thread: OMAP-L137, TMS320DM355

I design an OMAP-L137 board according the reference of spectrum digital. Now I can connect my board through CCS. And I can run spiflash_writer_dsp.out on the board. And the dsp-spi-ais.bin, ubl-spi.bin, u-boot.bin are all written to the FLASH successfully.

But after I set boot pin “72103:0101x”, which is spi flash mode, the board have no ack. I monitor the SPI0_CLK of the SPI FLSH through oscillograph, but there is no clock. The SPI0_CLK of the SPI FLSH appears under CCS mode through oscillograph. I was afraid that L137 doesn’t sense the boot mode. I also uart boot, but I can’t see any signal on the uart pin through oscillograph. Can anyone help analyze it?

I suffer a similar problem when I debug the DM355 board. (CCS is OK, but boot fail) The problem was resolved according to the TMS320DM355 Digital Media System-on-Chip Silicon Errata. “If the GIO0 pin is low during device boot from a NAND device, the DM355 will not follow the normal boot process”.

  • 0
    TI__Mastermind 18130 points

    Can you verify whether or not the boot pin status is captured properly in the BOOTCFG register? Can you try burning the attached .ais file into your Flash and seeing if it boots properly? I took the LED example from Spectrum Digital's Target Content (this comes on a CD with the starter kit) and converted it to a stand-alone AIS image. You should see the LEDs flash after powering up the board.

    led.zip
  • 0
    Prodigy 10 points
    hi I encountered the same problem as yours. How can we communicate with each other? My e-mail address is : larryjohn7798@gmail.com. I am also a hardware engineer in Nanjing. I wish you could help me! Thanks! zhonglei
  • 0 in reply to zhong lei
    Prodigy 20 points

    I have similar problem with AISgen tool.
    The append led example is working fine. I am also able to generate ais file from CSL example and it is working

    fine.
    quickStartOMAPL1x_rCSL\OMAPL1x\rCSL_examples\evmOMAPL137\DSP_examples\gpio
    Unfortunately, it do not work with platform support package example.
    pspdrivers_01_30_00_06\packages\ti\pspiom\examples\evmOMAPL137\audio
    Can anybody explain why it doesn’t work.