From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] ARM: i.MX: enable Master Identifier Unlock
Date: Tue, 2 Jun 2020 08:24:00 +0200 [thread overview]
Message-ID: <20200602062400.GH11869@pengutronix.de> (raw)
In-Reply-To: <20200528125611.11888-1-r.czerwinski@pengutronix.de>
On Thu, May 28, 2020 at 02:56:11PM +0200, Rouven Czerwinski wrote:
> By default the HAB locks the Master Identifier (MID) to preconfigured
> values. This is not a problem if Linux is running in the secure world,
> however when running a secure world operating system such as OP-TEE, the
> MID configuration should be done by the secure world operating system.
>
> This causes no regressions for systems using no secure world operating
> systems, since no MID value indicates that all normal/secure world
> entities can access the peripherals supporting the MID.
>
> Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
> ---
> arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h | 2 +-
> arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
Applied, thanks
Sascha
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prev parent reply other threads:[~2020-06-02 6:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 12:56 Rouven Czerwinski
2020-06-02 6:24 ` Sascha Hauer [this message]
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