linux-kernel - Re: [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code

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Date: Wed, 8 May 2024 09:09:11 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Arseniy Krasnov <avkrasnov@...utedevices.com>
Cc: Vignesh Raghavendra <vigneshr@...com>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>, devicetree@...r.kernel.org,
	Kevin Hilman <khilman@...libre.com>, linux-mtd@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, oxffffaa@...il.com,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	linux-amlogic@...ts.infradead.org, kernel@...rdevices.ru,
	Jerome Brunet <jbrunet@...libre.com>,
	Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support
 fields for boot ROM code


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@...utedevices.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@...nel.org>