From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Christophe Kerello <christophe.kerello@st.com>
Cc: <miquel.raynal@bootlin.com>, <richard@nod.at>,
<dwmw2@infradead.org>, <computersforpeace@gmail.com>,
<marek.vasut@gmail.com>, <robh+dt@kernel.org>,
<mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH v4 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver
Date: Thu, 20 Dec 2018 14:43:57 +0100 [thread overview]
Message-ID: <20181220144357.630df47c@bbrezillon> (raw)
In-Reply-To: <1544781488-18723-3-git-send-email-christophe.kerello@st.com>
On Fri, 14 Dec 2018 10:58:07 +0100
Christophe Kerello <christophe.kerello@st.com> wrote:
> The driver adds the support for the STMicroelectronics FMC2 NAND
> Controller found on STM32MP SOCs.
>
> This patch is based on FMC2 command sequencer.
> The purpose of the command sequencer is to facilitate the programming
> and the reading of NAND flash pages with the ECC and to free the CPU
> of sequencing tasks.
> It requires one DMA channel for write and two DMA channels for read
> operations.
>
> Only NAND_ECC_HW mode is actually supported.
> The driver supports a maximum 8k page size.
> The following ECC strength and step size are currently supported:
> - nand-ecc-strength = <8>, nand-ecc-step-size = <512> (BCH8)
> - nand-ecc-strength = <4>, nand-ecc-step-size = <512> (BCH4)
> - nand-ecc-strength = <1>, nand-ecc-step-size = <512> (Extended ECC
> based on Hamming)
>
> This patch has been tested on Micron MT29F8G08ABACAH4 and
> MT29F8G16ABACAH4
>
> Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Christophe Kerello <christophe.kerello@st.com>
Cc: miquel.raynal@bootlin.com, richard@nod.at, dwmw2@infradead.org,
computersforpeace@gmail.com, marek.vasut@gmail.com,
robh+dt@kernel.org, mark.rutland@arm.com,
devicetree@vger.kernel.org, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH v4 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver
Date: Thu, 20 Dec 2018 14:43:57 +0100 [thread overview]
Message-ID: <20181220144357.630df47c@bbrezillon> (raw)
In-Reply-To: <1544781488-18723-3-git-send-email-christophe.kerello@st.com>
On Fri, 14 Dec 2018 10:58:07 +0100
Christophe Kerello <christophe.kerello@st.com> wrote:
> The driver adds the support for the STMicroelectronics FMC2 NAND
> Controller found on STM32MP SOCs.
>
> This patch is based on FMC2 command sequencer.
> The purpose of the command sequencer is to facilitate the programming
> and the reading of NAND flash pages with the ECC and to free the CPU
> of sequencing tasks.
> It requires one DMA channel for write and two DMA channels for read
> operations.
>
> Only NAND_ECC_HW mode is actually supported.
> The driver supports a maximum 8k page size.
> The following ECC strength and step size are currently supported:
> - nand-ecc-strength = <8>, nand-ecc-step-size = <512> (BCH8)
> - nand-ecc-strength = <4>, nand-ecc-step-size = <512> (BCH4)
> - nand-ecc-strength = <1>, nand-ecc-step-size = <512> (Extended ECC
> based on Hamming)
>
> This patch has been tested on Micron MT29F8G08ABACAH4 and
> MT29F8G16ABACAH4
>
> Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
next prev parent reply other threads:[~2018-12-20 13:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-14 9:58 [PATCH v4 0/3] mtd: rawnand: add STM32 FMC2 NAND flash controller driver Christophe Kerello
2018-12-14 9:58 ` Christophe Kerello
2018-12-14 9:58 ` [PATCH v4 1/3] dt-bindings: mtd: stm32_fmc2: add STM32 FMC2 NAND controller documentation Christophe Kerello
2018-12-14 9:58 ` Christophe Kerello
2018-12-17 21:26 ` Rob Herring
2018-12-20 13:42 ` Boris Brezillon
2018-12-20 13:42 ` Boris Brezillon
2018-12-14 9:58 ` [PATCH v4 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver Christophe Kerello
2018-12-14 9:58 ` Christophe Kerello
2018-12-20 13:43 ` Boris Brezillon [this message]
2018-12-20 13:43 ` Boris Brezillon
2018-12-14 9:58 ` [PATCH v4 3/3] mtd: rawnand: stm32_fmc2: add polling mode Christophe Kerello
2018-12-14 9:58 ` Christophe Kerello
2018-12-20 13:44 ` Boris Brezillon
2018-12-20 13:44 ` Boris Brezillon
2019-01-15 16:54 ` [PATCH v4 0/3] mtd: rawnand: add STM32 FMC2 NAND flash controller driver Miquel Raynal
2019-01-15 16:54 ` Miquel Raynal
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