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C6424 secure boot

Other Parts Discussed in Thread: OMAPL138

Hi

I planed to implement secure boot for our DSP board . Is C6424 support the secure boot feature ? if not I will internally mange the secure boot . My product contains of two board a security key will pass through the UART after DSP board receive the key and then decrypt the DSP image and run it . If i use this method then the boot loader shall load the decryption of the flash image . my questions

1- Is C6424 support secure boot ?

2- If  not how i can customize the boot loader to support  secure booting