Hi Bernd, On Thu, Oct 13, 2022 at 05:20:06AM +0000, BAUER Bernd wrote: > Hi! > > I have a question regarding SecureBoot/HAB and IMX8MN. > In barebox I can only enable HAB if the architecture is set to IMX8MQ. > My project is based on an IMX8MN. > > Can I just extend the definition to IMX8MN and enable SecureBoot for the IMX8MN? > Does this work? Or are there differences in the registers that have to be implemented first? >From a quick glance at the corresponding U-Boot code I'd say that HAB support is identical between the different i.MX8M variants, so the following might indeed be a good start exploring it. I have no idea though if there are any subtle differences between the SoCs. Sascha --------------------------------8<-------------------------- >From 0daeceb70f0dfe0d2fdb65c986a613fe2d3d6203 Mon Sep 17 00:00:00 2001 From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Date: Thu, 13 Oct 2022 09:30:23 +0200 Subject: [PATCH] Enable HAB on i.MX8M Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/mach-imx/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index dcb70c8c1a..8d3f75e3d1 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -902,7 +902,7 @@ config HABV4 select HAB select NVMEM select IMX_OCOTP - depends on ARCH_IMX6 || ARCH_IMX8MQ + depends on ARCH_IMX6 || ARCH_IMX8M depends on OFDEVICE help High Assurance Boot, as found on i.MX28/i.MX6/i.MX8MQ. -- 2.30.2 -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |