Hello, I have found the following information in TI website: http://www.ti.com/corp/docs/landing/davinci/faqs.html#15
I accidentally overwrote my u-boot in a Davinci based system. How do I recover if I do not have Code Composer StudioT (CCStudio) IDE or a JTAG emulator? Many of our customers develop their code entirely on the ARM side and have no need to purchase the CCStudio Integrated Development Environment (IDE) for doing DSP programming. In the past, the only way to recover from u-boot corruption was to re-flash u-boot via the CCStudio IDE and the appropriate JTAG emulator. However, in order to better meet the needs of our customers, we have created a solution to allow customers to re-flash u-boot (or any other application) via the UART port. We expect this solution will be extremely useful at manufacturing time as well. View the "Booting and Flashing via the DaVinci TMS320DM644x Serial Interface" application note which details this solution and provides the necessary source code at http://focus.ti.com/dsp/docs/dspsupporttechdocsc.tsp?sectionId=3&tabId=409&familyId=1302&abstractName=spraai4 Does anyone know if there is a similar tool for the DM355 to boot from the UART? In this microcontroller is specially important because it doesn't have a DSP inside. You don't need to purchase the CCStudio and JTAG at all, but for the uBoot load in new boards or corrupted ones. It also useful to have an UART bootloader for manufacturing and verifing purposes. Best regards.
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