fast boot clarifications

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fast boot clarifications

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dav1
Contributor V

been reading a bit in the hw ref on how to configure fastboot (in my case, i.mx8 mini + eMMC only, no separate spi flash)

anyone that can help clarify 

- what exactly is the difference between "normal" emmc boot vs "fast boot"?

- any relative number in terms of the diff in speed between the two?

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igorpadykov
NXP Employee
NXP Employee

Hi dav1

for differencies one can check sect.10.3.3.9 MMC fast boot

i.MX 8M Mini Applications Processor Reference Manual

Unfortunately I am not aware of fast boot times.

Best regards
igor
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dav1
Contributor V

Thanks Igor,

I've read the TRM section, no real details on the benefit of fast boot, other than the fact that it's called "fast" :-)

Since there is a bit of work to prepare for "fast-boot", I was curious to know if anyone had an idea of how much time is saved by this method. 

ps. I like 'uuu' and seems it's not supported as fastboot needs some hard offsets. Any plans to change this?

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igorpadykov
NXP Employee
NXP Employee
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