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pico-imx7d: Add "how to boot with NXP 4.1 Kernel"

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The NXP 4.1 kernel needs to boot with secure boot.

Add information on how to enable secure boot mode.

Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
(cherry picked from commit 0bfd4f81ae)
This commit is contained in:
Vanessa Maegima 2017-08-29 13:53:18 -03:00 committed by Otavio Salvador
parent 58cb0bc9f0
commit 72066ea7f5
1 changed files with 17 additions and 0 deletions
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17
board/technexion/pico-imx7d/README
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@ -47,3 +47,20 @@ Remove power from the pico board.
Put pico board into normal boot mode.
Power up the board and the new updated U-Boot should boot from eMMC.
Building U-Boot to boot with NXP 4.1 kernel:
The NXP 4.1 kernel boots only in secure boot mode on mx7.
Follow the next steps to enable secure boot:
$ make mrproper
$ make pico-imx7d_defconfig
$ make menuconfig
-> ARM architecture
-> [*] Enable support for booting in non-secure mode
-> [*] Boot in secure mode by default
-> Exit
$ make
Flash u-boot.imx using the imx_usb_loader tool.