Register that survives reboot in imx53

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Register that survives reboot in imx53

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Maddis
Contributor IV

I have need to transmit few bytes from Linux to bootloader in reboot. Are there any registers/internal memories in imx53 that will survive over reboot or that are not cleared during reboot?

In previous design with Atmel processor it had General Purpose Backup Register that could be used, but I haven't found similar registers in imx53 or any register.

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