TMS320C6748: Serial bootload C6748 application to RAM only

KTM

Part Number: TMS320C6748

We have a custom C6748 board where the application is stored in Nand Flash via the serial bootloader using AISgen. The app is based on SYS/BIOS 6.42.3.35. We have been asked to verify that the Nand Flash contents are still correct. I wrote a small "verify" application that runs out of RAM and verifies the Flash contents but I am using the debugger to load and run the verify application. Is it possible to somehow load the verify application via the serial port, and have it loaded and run only in RAM so that Flash is not affected? We don't have access to the JTAG connector on the boards that need Flash verified.

Thanks,

KTM

over 6 years ago

0 Rahul Prabhu over 6 years ago

TI__Guru** 116170 points

C6748 supports UART boot mode, so if you have a option on the custom design to set the boot switches to UART then you can load the code into RAM and run the verification code from there. This requires conversion of the .out you are loading over JTAG to an AISGen binary meant for UART boot.

To load the AIS UART binary, we provide a command line utility called Serial loader SLH in the Serial Boot and flash tools package.

http://processors.wiki.ti.com/index.php/Serial_Boot_and_Flash_Loading_Utility_for_OMAP-L138

We also provide a serial host boot utility, which we have described in the C6748 Bootloader application notes in section 8.1

http://www.ti.com/lit/an/spraat2f/spraat2f.pdf

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TMS320C6748: Serial bootload C6748 application to RAM only