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Question, i.MX6SL boot setting

Question asked by AVNET JAPAN FAE (team share account) on Jul 5, 2016
Latest reply on Jul 15, 2016 by AVNET JAPAN FAE (team share account)

Dear NXP team,


I would like to ask about the boot setting for i.MX6SL eMMC boot.

My customer wants to realize the fast boot on i.MX6SL system.

The customer thought that it is possible to realize fast boot from eMMC by configure DIPSW 1-4 on i.MX6SL-EVK board.

But after setting the DIPSW1-4, the boot from eMMC hanged.

And they found the following discussion in i.MX community.

After reading the community thread, they think that ‘fast boot’ from eMMC can not be realized even when they configure

They think the fast boot is available only when SD boot.

DIPSW1-4. And configuring EXT_CSD[179] seems to be needed for eMMC fast boot.

Is the above understanding correct?