linux-kernel - Re: [PATCH v8 10/12] ARM: sun8i: smp: Add support for A83T

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Message-ID: <20180502131431.j7jaz74ko5ueotwn@flea>
Date:   Wed, 2 May 2018 15:14:31 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Mylène Josserand <mylene.josserand@...tlin.com>
Cc:     linux@...linux.org.uk, wens@...e.org, marc.zyngier@....com,
        mark.rutland@....com, robh+dt@...nel.org, horms@...ge.net.au,
        geert@...ux-m68k.org, magnus.damm@...il.com,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        thomas.petazzoni@...tlin.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 10/12] ARM: sun8i: smp: Add support for A83T

On Tue, May 01, 2018 at 02:31:29PM +0200, Mylène Josserand wrote:
> Add the support for A83T.
> 
> A83T SoC has an additional register than A80 to handle CPU configurations:
> R_CPUS_CFG. Information about the register comes from Allwinner's BSP
> driver.
> An important difference is the Power Off Gating register for clusters
> which is BIT(4) in case of SUN9I-A80 and BIT(0) in case of SUN8I-A83T.
> There is also a bit swap between sun8i-a83t and sun9i-a80 that must be
> handled.
> 
> Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>

Acked-by: Maxime Ripard <maxime.ripard@...tlin.com>

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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