From: Marek Vasut <marex@denx.de>
To: Huang Shijie <b32955@freescale.com>
Cc: dwmw2@infradead.org, computersforpeace@gmail.com,
linux-mtd@lists.infradead.org, linux-doc@vger.kernel.org,
linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v2 03/10] mtd: spi-nor: add DDR quad read support
Date: Mon, 28 Apr 2014 22:23:58 +0200 [thread overview]
Message-ID: <201404282223.58671.marex@denx.de> (raw)
In-Reply-To: <1398657227-20721-4-git-send-email-b32955@freescale.com>
On Monday, April 28, 2014 at 05:53:40 AM, Huang Shijie wrote:
> This patch adds the DDR quad read support by the following:
>
> [1] add SPI_NOR_DDR_QUAD read mode.
>
> [2] add DDR Quad read opcodes:
> SPINOR_OP_READ_1_4_4_D / SPINOR_OP_READ4_1_4_4_D
>
> [3] add set_ddr_quad_mode() to initialize for the DDR quad read.
> Currently it only works for Spansion NOR.
>
> [3] about the dummy cycles.
> We set the dummy with 8 for DDR quad read by default.
> The m25p80.c can not support the DDR quad read, but the SPI NOR
> controller can set the dummy value in its child DT node, and the SPI NOR
> framework can parse it out.
>
> Test this patch for Spansion s25fl128s NOR flash.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Best regards,
Marek Vasut
WARNING: multiple messages have this Message-ID (diff)
From: Marek Vasut <marex@denx.de>
To: Huang Shijie <b32955@freescale.com>
Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org,
computersforpeace@gmail.com, dwmw2@infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 03/10] mtd: spi-nor: add DDR quad read support
Date: Mon, 28 Apr 2014 22:23:58 +0200 [thread overview]
Message-ID: <201404282223.58671.marex@denx.de> (raw)
In-Reply-To: <1398657227-20721-4-git-send-email-b32955@freescale.com>
On Monday, April 28, 2014 at 05:53:40 AM, Huang Shijie wrote:
> This patch adds the DDR quad read support by the following:
>
> [1] add SPI_NOR_DDR_QUAD read mode.
>
> [2] add DDR Quad read opcodes:
> SPINOR_OP_READ_1_4_4_D / SPINOR_OP_READ4_1_4_4_D
>
> [3] add set_ddr_quad_mode() to initialize for the DDR quad read.
> Currently it only works for Spansion NOR.
>
> [3] about the dummy cycles.
> We set the dummy with 8 for DDR quad read by default.
> The m25p80.c can not support the DDR quad read, but the SPI NOR
> controller can set the dummy value in its child DT node, and the SPI NOR
> framework can parse it out.
>
> Test this patch for Spansion s25fl128s NOR flash.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Best regards,
Marek Vasut
WARNING: multiple messages have this Message-ID (diff)
From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 03/10] mtd: spi-nor: add DDR quad read support
Date: Mon, 28 Apr 2014 22:23:58 +0200 [thread overview]
Message-ID: <201404282223.58671.marex@denx.de> (raw)
In-Reply-To: <1398657227-20721-4-git-send-email-b32955@freescale.com>
On Monday, April 28, 2014 at 05:53:40 AM, Huang Shijie wrote:
> This patch adds the DDR quad read support by the following:
>
> [1] add SPI_NOR_DDR_QUAD read mode.
>
> [2] add DDR Quad read opcodes:
> SPINOR_OP_READ_1_4_4_D / SPINOR_OP_READ4_1_4_4_D
>
> [3] add set_ddr_quad_mode() to initialize for the DDR quad read.
> Currently it only works for Spansion NOR.
>
> [3] about the dummy cycles.
> We set the dummy with 8 for DDR quad read by default.
> The m25p80.c can not support the DDR quad read, but the SPI NOR
> controller can set the dummy value in its child DT node, and the SPI NOR
> framework can parse it out.
>
> Test this patch for Spansion s25fl128s NOR flash.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Best regards,
Marek Vasut
next prev parent reply other threads:[~2014-04-28 20:23 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-28 3:53 [PATCH v2 00/10] mtd: spi-nor: Add the DDR quad read support Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 03/10] mtd: spi-nor: add " Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 20:23 ` Marek Vasut [this message]
2014-04-28 20:23 ` Marek Vasut
2014-04-28 20:23 ` Marek Vasut
2014-07-30 5:08 ` Brian Norris
2014-07-30 5:08 ` Brian Norris
2014-07-30 5:08 ` Brian Norris
2014-07-30 6:44 ` Huang Shijie
2014-07-30 6:44 ` Huang Shijie
2014-07-30 6:44 ` Huang Shijie
2014-07-30 7:45 ` Brian Norris
2014-07-30 7:45 ` Brian Norris
2014-07-30 7:45 ` Brian Norris
2014-07-30 10:46 ` Mark Brown
2014-07-30 10:46 ` Mark Brown
2014-07-30 10:46 ` Mark Brown
2014-08-02 2:06 ` Brian Norris
2014-08-02 2:06 ` Brian Norris
2014-08-02 2:06 ` Brian Norris
2014-08-02 9:09 ` Geert Uytterhoeven
2014-08-02 9:09 ` Geert Uytterhoeven
2014-08-02 9:09 ` Geert Uytterhoeven
[not found] ` <CAMuHMdWxzKG1TTUVgYqfRP0Prp85HPwVxH7NQp7S-pNeLfFqjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-04 14:25 ` Mark Brown
2014-08-04 14:25 ` Mark Brown
2014-08-04 14:25 ` Mark Brown
2015-07-22 18:15 ` Zhi Li
2015-07-22 18:15 ` Zhi Li
2015-07-22 18:18 ` Zhi Li
2015-07-22 18:18 ` Zhi Li
2014-07-30 15:23 ` Huang Shijie
2014-07-30 15:23 ` Huang Shijie
2014-07-30 15:23 ` Huang Shijie
[not found] ` <1398657227-20721-1-git-send-email-b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-04-28 3:53 ` [PATCH v2 01/10] mtd: spi-nor: fix the wrong dummy value Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
[not found] ` <1398657227-20721-2-git-send-email-b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-04-28 20:22 ` Marek Vasut
2014-04-28 20:22 ` Marek Vasut
2014-04-28 20:22 ` Marek Vasut
2014-11-05 8:27 ` Brian Norris
2014-11-05 8:27 ` Brian Norris
2014-11-05 8:27 ` Brian Norris
2014-04-28 3:53 ` [PATCH v2 02/10] mtd: spi-nor: add a new field for spi_nor{} Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
[not found] ` <1398657227-20721-3-git-send-email-b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-04-28 20:23 ` Marek Vasut
2014-04-28 20:23 ` Marek Vasut
2014-04-28 20:23 ` Marek Vasut
[not found] ` <201404282223.26174.marex-ynQEQJNshbs@public.gmane.org>
2014-04-29 5:18 ` Huang Shijie
2014-04-29 5:18 ` Huang Shijie
2014-04-29 5:18 ` Huang Shijie
2014-04-29 5:18 ` Huang Shijie
2014-04-29 6:54 ` Marek Vasut
2014-04-29 6:54 ` Marek Vasut
2014-04-29 6:54 ` Marek Vasut
2014-04-29 6:05 ` Huang Shijie
2014-04-29 6:05 ` Huang Shijie
2014-04-29 6:05 ` Huang Shijie
2014-04-29 6:05 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 04/10] Documentation: mtd: add a new document for SPI NOR flash Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 05/10] Documentation: fsl-quadspi: update the document Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 06/10] mtd: fsl-quadspi: use the information stored in spi-nor{} Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 07/10] mtd: fsl-quadspi: add the DDR quad read support for Spansion NOR Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 08/10] mtd: spi-nor: add more read transfer flags for n25q256a Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 09/10] mtd: spi-nor: add DDR quad read support for Micron Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` [PATCH v2 10/10] mtd: fsl-quadspi: " Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
2014-04-28 3:53 ` Huang Shijie
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