79 lines
2.6 KiB
Diff
79 lines
2.6 KiB
Diff
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From 5e308ec7332d01e84a3a5233f4cb8bd5a00026cf Mon Sep 17 00:00:00 2001
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From: microcai <microcaicai@gmail.com>
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Date: Mon, 29 Jun 2020 23:36:40 +0800
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Subject: [PATCH] spi-nor: Add support for xt25f32b/xt25f128b
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The RockPi4b dev board ship with xt25f32b solded. add these ids so the
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board's spi flash can be accessed within linux.
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Signed-off-by: microcai <microcaicai@gmail.com>
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---
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drivers/mtd/spi-nor/Makefile | 1 +
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drivers/mtd/spi-nor/xtx.c | 21 +++++++++++++++++++++
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2 files changed, 22 insertions(+)
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create mode 100644 drivers/mtd/spi-nor/xtx.c
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diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
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index 653923896..3f7a52d7f 100644
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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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obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o
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obj-$(CONFIG_MTD_SPI_NOR) += controllers/
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diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
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index cc68ea843..a469ba0b2 100644
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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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@@ -2024,6 +2024,7 @@ static const struct spi_nor_manufacturer *manufacturers[] = {
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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 *
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diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
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index 6f2f6b271..cea8c0c25 100644
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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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@@ -398,6 +398,7 @@ extern const struct spi_nor_manufacturer spi_nor_sst;
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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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int spi_nor_write_enable(struct spi_nor *nor);
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int spi_nor_write_disable(struct spi_nor *nor);
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diff --git a/drivers/mtd/spi-nor/xtx.c b/drivers/mtd/spi-nor/xtx.c
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new file mode 100644
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index 000000000000..05f2d69401b2
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--- /dev/null
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+++ b/drivers/mtd/spi-nor/xtx.c
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@@ -0,0 +1,21 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/*
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+ * Copyright (C) 2005, Intec Automation Inc.
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+ * Copyright (C) 2014, Freescale Semiconductor, Inc.
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+ */
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+
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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 (Shenzhen Xin Tian Xia Tech) */
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+ { "xt25f32b", INFO(0x0b4016, 0, 64 * 1024, 64) },
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+ { "xt25f128b", INFO(0x0b4018, 0, 64 * 1024, 256) },
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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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