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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>,
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	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>
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Subject: Re: [PATCH v6 3/3] mtd: rawnand: meson: read/write access for boot ROM pages
Date: Mon, 27 May 2024 14:18:57 +0200
Message-Id: <20240527121857.178627-1-miquel.raynal@bootlin.com>
In-Reply-To: <20240507230903.3399594-4-avkrasnov@salutedevices.com>
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On Tue, 2024-05-07 at 23:09:03 UTC, Arseniy Krasnov wrote:
> Boot ROM on Meson needs some pages to be read/written in a special mode:
> 384 byte ECC mode (so called "short" by Amlogic) and with scrambling
> enabled. 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 here) and last page in
> range is read from the device tree.
> 
> Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel