From: BAUER Bernd <bernd.bauer@ses-imagotag.com>
To: Sascha Hauer <sha@pengutronix.de>
Cc: Barebox Mailingliste <barebox@lists.infradead.org>
Subject: AW: HAB/SecureBoot on IMX8MN
Date: Thu, 13 Oct 2022 07:34:36 +0000 [thread overview]
Message-ID: <PR0P264MB3289835436E9D3C600F7FD3CD2259@PR0P264MB3289.FRAP264.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <20221013073204.GE6702@pengutronix.de>
Hi Sasha!
Thank you! I'll try it.
Greets Bernd
-----Ursprüngliche Nachricht-----
Von: Sascha Hauer <sha@pengutronix.de>
Gesendet: Donnerstag, 13. Oktober 2022 09:32
An: BAUER Bernd <bernd.bauer@ses-imagotag.com>
Cc: Barebox Mailingliste <barebox@lists.infradead.org>
Betreff: Re: HAB/SecureBoot on IMX8MN
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
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next prev parent reply other threads:[~2022-10-13 7:36 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
2022-10-13 7:34 ` BAUER Bernd [this message]
2022-10-13 8:17 ` Sascha Hauer
2022-10-13 8:32 ` AW: " Rouven Czerwinski
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