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Message-Id: <20240527121905.178683-1-miquel.raynal@bootlin.com>
Date: Mon, 27 May 2024 14:19:05 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Arseniy Krasnov <avkrasnov@...utedevices.com>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-mtd@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org,
linux-kernel@...r.kernel.org,
oxffffaa@...il.com,
kernel@...rdevices.ru
Subject: Re: [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code
On Tue, 2024-05-07 at 23:09:01 UTC, 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>
> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
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