From: Sascha Hauer <sha@pengutronix.de>
To: BAUER Bernd <bernd.bauer@ses-imagotag.com>
Cc: Barebox Mailingliste <barebox@lists.infradead.org>
Subject: Re: HAB/SecureBoot on IMX8MN
Date: Thu, 13 Oct 2022 09:32:04 +0200 [thread overview]
Message-ID: <20221013073204.GE6702@pengutronix.de> (raw)
In-Reply-To: <PR0P264MB328928CED65F8A4275814502D2259@PR0P264MB3289.FRAP264.PROD.OUTLOOK.COM>
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@pengutronix.de>
Date: Thu, 13 Oct 2022 09:30:23 +0200
Subject: [PATCH] Enable HAB on i.MX8M
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
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 |
next prev parent reply other threads:[~2022-10-13 7:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 5:20 BAUER Bernd
2022-10-13 7:32 ` Sascha Hauer [this message]
2022-10-13 7:34 ` AW: " BAUER Bernd
2022-10-13 8:17 ` Sascha Hauer
2022-10-13 8:32 ` AW: " Rouven Czerwinski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221013073204.GE6702@pengutronix.de \
--to=sha@pengutronix.de \
--cc=barebox@lists.infradead.org \
--cc=bernd.bauer@ses-imagotag.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox