From 0bfd4f81ae3d28e951111481e9af66ba1f7be671 Mon Sep 17 00:00:00 2001 From: Vanessa Maegima Date: Tue, 29 Aug 2017 13:53:18 -0300 Subject: [PATCH] pico-imx7d: Add "how to boot with NXP 4.1 Kernel" 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 --- board/technexion/pico-imx7d/README | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/board/technexion/pico-imx7d/README b/board/technexion/pico-imx7d/README index a2805ee080..8af4effa78 100644 --- a/board/technexion/pico-imx7d/README +++ b/board/technexion/pico-imx7d/README @@ -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. -- 2.25.1