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How to run SYSBIOS applications from u-boot on OMAP-L138

Tankist
Expert 1690 points
Other Parts Discussed in Thread: OMAP-L138, SYSBIOS, OMAPL138

I have OMAP-L138 LCDK development board. I have u-boot wich starts after power-on. I have ARM and DSP projects like .out files. My ARm and DSP projects both work with SYSBIOS (I don't need Linux). And I wanna:

1) make .bin files from .out files

2) write .bin files into the microSD flash card

3) configure u-boot to load my .bin files from the flash card into the memory

4) run DSP project and ARM project

When I tried to do that steps I've got a failure: my ARM application doesn't work. I'm not sure that I made the right .bin file from the .out file - I used AISgen utility from TI to do that, but I don't know how it's compatible with u-boot.

This is a sample from my u-boot console:

U-Boot > fatload mmc 0 0xc1080000 test.bin
reading test.bin

3808 bytes read
U-Boot > go 0xc1080000
## Starting application at 0xC1080000 ...

My application must blink leds if it starts, but that doesn't happen.

Is it possible at all?

  • 0
    TI__Mastermind 43955 points
    Hi Tankist,
    Please try to disable the GPIO support in u-boot completely.
    Also try to use *.out using u-boot's "bootelf" command.

    Keep your DSP code into DSP L2 RAM.
  • 0 in reply to Shankari G
    Expert 1690 points
    Sorry, my u-boot doesn't support "bootelf" command. What should I do?
  • 0 in reply to Tankist
    TI__Mastermind 43955 points
    You have to enable it in your board *.h file then rebuild your u-boot source.
    inlcude/configs/da850_evm.h

    Define the following line in u-boot .h file.
    #define CONFIG_CMD_ELF
  • 0 in reply to Shankari G
    Expert 1690 points

    Some corrections: the right path to config file is 'mcsdk_1_01_00_02\board-support\u-boot-2012.04.01-psp03.22.00.06.sdk\include\configs\omapl138_lcdk.h'

    Ok, I built my u-boot with the 'bootelf' support. I made '.ais' file and flash it into NAND flash memory. This is a log from my u-boot when I try to load my ARM progam:


    NAND:  512 MiB
MMC:   davinci: 0
Bad block table found at page 262080, version 0x01
Bad block table found at page 262016, version 0x01
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   DaVinci-EMAC
Hit any key to stop autoboot:  0
U-Boot > mmc rescan 0
U-Boot > fatload mmc 0 0xc3000000 arm.out
reading arm.out

2012348 bytes read
U-Boot > bootelf 0xc3000000
## Starting application at 0x00000000 ...

    My application has the following .map file:

    ******************************************************************************
                  TI ARM Linker PC v5.1.6                      
******************************************************************************
>> Linked Mon Feb 15 14:24:12 2016

OUTPUT FILE NAME:   <arm.out>
ENTRY POINT SYMBOL: "_c_int00"  address: c3089b90


MEMORY CONFIGURATION

         name            origin    length      used     unused   attr    fill
----------------------  --------  ---------  --------  --------  ----  --------
  L3_CBA_RAM            80000000   00020000  00000000  00020000  RW X
  DDR                   c3000000   01000000  0009169c  00f6e964  RWIX
  IRAM                  ffff0000   00002000  00000368  00001c98  RW X


SEGMENT ALLOCATION MAP

run origin  load origin   length   init length attrs members
----------  ----------- ---------- ----------- ----- -------
c3000000    c3000000    00081e28   00000000    rw-
  c3000000    c3000000    00081e28   00000000    rw- .bss
c3081e28    c3081e28    0000966c   0000966c    r-x
  c3081e28    c3081e28    0000966c   0000966c    r-x .text
c308b494    c308b494    00000898   00000000    rw-
  c308b494    c308b494    00000898   00000000    rw- .data
c308bd2c    c308bd2c    000002d4   000002d4    r--
  c308bd2c    c308bd2c    000002d4   000002d4    r-- .const.1
c308c000    c308c000    00005000   00000000    rw-
  c308c000    c308c000    00004000   00000000    rw- ti.sysbios.family.arm.arm9.mmuTableSection
  c3090000    c3090000    00001000   00000000    rw- .stack
c3091000    c3091000    000006a0   000006a0    r--
  c3091000    c3091000    000001ec   000001ec    r-- .const.2
  c30911f0    c30911f0    000004b0   000004b0    r-- .cinit
ffff0000    ffff0000    00000368   00000368    r-x
  ffff0000    ffff0000    00000040   00000040    r-- .vecs
  ffff0040    ffff0040    00000328   00000328    r-x .vectorTable

    It seems the application doesn't run. What could be the problem?