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81 lines
2.7 KiB
Diff
81 lines
2.7 KiB
Diff
From patchwork Thu Feb 6 17:19:41 2020
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
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X-Patchwork-Id: 1234465
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Date: Thu, 6 Feb 2020 19:19:41 +0200
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From: Daniel Golle <daniel@makrotopia.org>
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To: linux-mtd@lists.infradead.org
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Subject: [PATCH v2] mtd: spi-nor: Add support for xt25f128b chip
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Message-ID: <20200206171941.GA2398@makrotopia.org>
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MIME-Version: 1.0
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Content-Disposition: inline
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List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
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<mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>
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Cc: Eitan Cohen <eitan@neot-semadar.com>, Piotr Dymacz <pepe2k@gmail.com>,
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Tudor Ambarus <tudor.ambarus@microchip.com>
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Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org>
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Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
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Add XT25F128B made by XTX Technology (Shenzhen) Limited.
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This chip supports dual and quad read and uniform 4K-byte erase.
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Verified on Teltonika RUT955 which comes with XT25F128B in recent
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versions of the device.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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drivers/mtd/spi-nor/spi-nor.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/mtd/spi-nor/Makefile
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+++ b/drivers/mtd/spi-nor/Makefile
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@@ -17,6 +17,7 @@ spi-nor-objs += sst.o
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spi-nor-objs += winbond.o
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spi-nor-objs += xilinx.o
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spi-nor-objs += xmc.o
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+spi-nor-objs += xtx.o
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spi-nor-$(CONFIG_DEBUG_FS) += debugfs.o
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obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o
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--- /dev/null
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+++ b/drivers/mtd/spi-nor/xtx.c
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@@ -0,0 +1,17 @@
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+// SPDX-License-Identifier: GPL-2.0
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+#include <linux/mtd/spi-nor.h>
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+
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+#include "core.h"
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+
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+static const struct flash_info xtx_parts[] = {
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+ /* XTX Technology (Shenzhen) Limited */
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+ { "xt25f128b", INFO(0x0B4018, 0, 64 * 1024, 256)
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+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
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+ SPI_NOR_QUAD_READ) },
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+};
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+
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+const struct spi_nor_manufacturer spi_nor_xtx = {
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+ .name = "xtx",
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+ .parts = xtx_parts,
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+ .nparts = ARRAY_SIZE(xtx_parts),
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+};
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--- a/drivers/mtd/spi-nor/core.c
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+++ b/drivers/mtd/spi-nor/core.c
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@@ -1636,6 +1636,7 @@ static const struct spi_nor_manufacturer
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&spi_nor_winbond,
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&spi_nor_xilinx,
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&spi_nor_xmc,
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+ &spi_nor_xtx,
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};
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static const struct flash_info *spi_nor_match_id(struct spi_nor *nor,
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--- a/drivers/mtd/spi-nor/core.h
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+++ b/drivers/mtd/spi-nor/core.h
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@@ -633,6 +633,7 @@ extern const struct spi_nor_manufacturer
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extern const struct spi_nor_manufacturer spi_nor_winbond;
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extern const struct spi_nor_manufacturer spi_nor_xilinx;
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extern const struct spi_nor_manufacturer spi_nor_xmc;
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+extern const struct spi_nor_manufacturer spi_nor_xtx;
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extern const struct attribute_group *spi_nor_sysfs_groups[];
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