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Date: Wed, 8 May 2024 09:09:11 -0500
From: "Rob Herring (Arm)" <robh@kernel.org>
To: Arseniy Krasnov <avkrasnov@salutedevices.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>, devicetree@vger.kernel.org,
	Kevin Hilman <khilman@baylibre.com>, linux-mtd@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, oxffffaa@gmail.com,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	linux-amlogic@lists.infradead.org, kernel@sberdevices.ru,
	Jerome Brunet <jbrunet@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>, linux-kernel@vger.kernel.org,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>
Subject: Re: [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support
 fields for boot ROM code
Message-ID: <171517732606.1572649.16193191353725811830.robh@kernel.org>
References: <20240507230903.3399594-1-avkrasnov@salutedevices.com>
 <20240507230903.3399594-2-avkrasnov@salutedevices.com>
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In-Reply-To: <20240507230903.3399594-2-avkrasnov@salutedevices.com>


On Wed, 08 May 2024 02:09:01 +0300, Arseniy Krasnov wrote:
> Boot ROM code on Meson requires that some pages on NAND must be written
> in special mode: "short" ECC mode where each block is 384 bytes and
> scrambling mode is on. Such pages are located on the chip in the
> following way (for example):
> 
> [ p0 ][ p1 ][ p2 ][ p3 ][ p4 ][ p5 ][ p6 ][ p7 ] ... [ pN ]
>   ^           ^           ^           ^
> 
> pX is page number "X". "^" means "special" page used by boot ROM - e.g.
> every 2nd page in the range of [0, 7]. Step (2 in example is set by
> 'amlogic,boot-page-step' field. Last page in range (7 in example) is
> set by 'amlogic,boot-pages' field.
> 
> Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
> ---
>  .../bindings/mtd/amlogic,meson-nand.yaml       | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 


Please add Acked-by/Reviewed-by tags when posting new versions. However,
there's no need to repost patches *only* to add the tags. The upstream
maintainer will do that for acks received on the version they apply.

If a tag was not added on purpose, please state why and what changed.

Missing tags:

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>