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F28377s boot mode change without JTAG

HI

I have a F28377s DSP in a small evaluation board 

and I want to boot my board by USB boot.. or SPI.. NOT SCI...

of course  I can boot from internel Flash.. but want to boot from USB 

but i think there is no way to boot from USB except change OTPBOOTCTRL.OTP_BMODE or using JTAG..

is there any solution for USB boot ?? without OTP(this option never come back to Flash boot .. right??) and JTAG

thanks for reading..