From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Stefan Agner <stefan@agner.ch>
Cc: Benjamin Lindqvist <benjamin.lindqvist@endian.se>,
dwmw2@infradead.org, computersforpeace@gmail.com,
marek.vasut@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com,
thierry.reding@gmail.com, mturquette@baylibre.com,
sboyd@kernel.org, Lucas Stach <dev@lynxeye.de>,
miquel.raynal@bootlin.com, richard@nod.at, marcel@ziswiler.com,
krzk@kernel.org, digetx@gmail.com, jonathanh@nvidia.com,
pdeschrijver@nvidia.com, pgaikwad@nvidia.com,
Mirza Krak <mirza.krak@gmail.com>,
linux-mtd@lists.infradead.org, linux-tegra@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-clk@vger.kernel.org
Subject: Re: [RESEND PATCH 2/5] mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver
Date: Thu, 24 May 2018 13:07:31 +0200 [thread overview]
Message-ID: <20180524130731.0c00094d@bbrezillon> (raw)
In-Reply-To: <d8d6cb9fcd8ce7ea5c13b227012de6d2@agner.ch>
On Thu, 24 May 2018 13:00:41 +0200
Stefan Agner <stefan@agner.ch> wrote:
>
> >
> > Note that we're in fact using this patch set in Linux today, but
> > we had to remove the oobsize inference part. Currently we're
> > simply hard coding it to CFG_TVAL_4, but maybe it would be
> > cleaner to add ECC algo as a board config instead, e.g. in the
> > .dts file or whatever. This seems to be done by other vendors
> > already, see for example excerpt of
> > Documentation/devicetree/bindings/mtd/gpmc-nand.txt below:
> >
> > - ti,nand-ecc-opt: A string setting the ECC layout to use. One of:
> > "sw" 1-bit Hamming ecc code via software
> > "hw" <deprecated> use "ham1" instead
> > "hw-romcode" <deprecated> use "ham1" instead
> > "ham1" 1-bit Hamming ecc code
> > "bch4" 4-bit BCH ecc code
> > "bch8" 8-bit BCH ecc code
> > "bch16" 16-bit BCH ECC code
> > Refer below "How to select correct ECC scheme for your device ?"
> >
> > It seems as if this method would be equally applicable to Tegra NAND.
>
> Yeah, ideally we can reuse "nand-ecc-algo". Although, Reed-Solomon is
> not yet in the list. So using this property would require to extend
> this standard property.
I'm okay with that ;-).
next prev parent reply other threads:[~2018-05-24 11:07 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-22 12:07 [RESEND PATCH 0/5] mtd: rawnand: add NVIDIA Tegra NAND flash support Stefan Agner
2018-05-22 12:07 ` [RESEND PATCH 1/5] mtd: rawnand: tegra: add devicetree binding Stefan Agner
2018-05-22 17:52 ` Boris Brezillon
2018-05-22 12:07 ` [RESEND PATCH 2/5] mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver Stefan Agner
2018-05-22 12:16 ` Dmitry Osipenko
2018-05-22 12:19 ` Stefan Agner
2018-05-22 13:34 ` Dmitry Osipenko
2018-05-22 14:28 ` Stefan Agner
2018-05-22 14:53 ` Stefan Agner
2018-05-22 17:55 ` Boris Brezillon
2018-05-23 14:18 ` Boris Brezillon
2018-05-24 8:46 ` Stefan Agner
2018-05-24 8:56 ` Boris Brezillon
2018-05-24 11:09 ` Stefan Agner
2018-05-24 12:23 ` Boris Brezillon
2018-05-24 12:41 ` Boris Brezillon
2018-05-24 22:56 ` Stefan Agner
2018-05-27 14:06 ` Miquel Raynal
2018-05-24 12:27 ` Boris Brezillon
2018-05-24 7:45 ` Benjamin Lindqvist
2018-05-24 11:00 ` Stefan Agner
2018-05-24 11:07 ` Boris Brezillon [this message]
2018-05-24 11:30 ` Benjamin Lindqvist
2018-05-24 11:53 ` Boris Brezillon
2018-05-24 12:19 ` Stefan Agner
2018-05-27 14:18 ` Miquel Raynal
2018-05-27 15:13 ` Boris Brezillon
2018-05-27 15:54 ` Miquel Raynal
2018-05-27 16:30 ` Boris Brezillon
2018-05-27 19:08 ` Stefan Agner
2018-05-27 22:04 ` Miquel Raynal
2018-05-28 12:39 ` Stefan Agner
2018-05-31 17:54 ` Stefan Agner
2018-05-31 20:30 ` Boris Brezillon
2018-05-31 21:44 ` Stefan Agner
2018-05-22 12:07 ` [RESEND PATCH 3/5] clk: tegra20: init NDFLASH clock to sensible rate Stefan Agner
2018-05-22 12:07 ` [RESEND PATCH 4/5] ARM: tegra: add Tegra20 NAND flash controller node Stefan Agner
2018-05-22 12:07 ` [RESEND PATCH 5/5] ARM: tegra: enable NAND flash on Colibri T20 Stefan Agner
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