From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Arseniy Krasnov <avkrasnov@salutedevices.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
oxffffaa@gmail.com, kernel@sberdevices.ru
Subject: Re: [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code
Date: Mon, 27 May 2024 14:19:05 +0200 [thread overview]
Message-ID: <20240527121905.178683-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20240507230903.3399594-2-avkrasnov@salutedevices.com>
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@salutedevices.com>
> Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
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next prev parent reply other threads:[~2024-05-27 13:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-07 23:09 [PATCH v6 0/3] Meson: R/W support for pages used by boot ROM Arseniy Krasnov
2024-05-07 23:09 ` [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code Arseniy Krasnov
2024-05-08 14:09 ` Rob Herring (Arm)
[not found] ` <CAP_G_RUdN+6OcsQZUkqWQMYoH-ZvmPnskT3yONK_YssqUYhm9Q@mail.gmail.com>
2024-05-12 17:26 ` Arseniy Krasnov
2024-05-13 9:05 ` Krzysztof Kozlowski
2024-05-13 10:10 ` Arseniy Krasnov
2024-05-27 12:19 ` Miquel Raynal [this message]
2024-05-07 23:09 ` [PATCH v6 2/3] mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()' Arseniy Krasnov
2024-05-27 12:19 ` Miquel Raynal
2024-05-07 23:09 ` [PATCH v6 3/3] mtd: rawnand: meson: read/write access for boot ROM pages Arseniy Krasnov
2024-05-27 12:18 ` Miquel Raynal
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