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

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Message-ID: <418e29c7-9baf-ee4c-7a24-49c196ac89b2@salutedevices.com>
Date: Sun, 12 May 2024 20:26:51 +0300
From: Arseniy Krasnov <avkrasnov@...utedevices.com>
To: Krasnov Arseniy <oxffffaa@...il.com>, "Rob Herring (Arm)"
	<robh@...nel.org>
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>,
	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

Sorry, sending from proper mail client again (not sure it was delivered sent from gmail client on 08.05) :)

R-b was removed, because this patch was updated

Thanks, Arseniy

On 08.05.2024 20:07, Krasnov Arseniy wrote:
> Hi! I removed Your R-b because patch was changed in this version, after
> comments from Miquel Raynal
> 
> Thanks
> 
> ср, 8 мая 2024 г., 17:09 Rob Herring (Arm) <robh@...nel.org>:
> 
>>
>> 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>
>>
>>
>>
>>
>