83 lines
2.6 KiB
Diff
83 lines
2.6 KiB
Diff
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From 0000000000000000000000000000000000000000 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: 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/core.c | 1 +
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drivers/mtd/spi-nor/core.h | 1 +
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drivers/mtd/spi-nor/xtx.c | 21 ++++++++++
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4 files changed, 24 insertions(+)
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diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
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index e347b435a038..364413da729b 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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@@ -18,6 +18,7 @@ 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-$(CONFIG_DEBUG_FS) += debugfs.o
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+spi-nor-objs += xtx.o
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obj-$(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 5f29fac8669a..8e737ce9bee7 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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@@ -2014,6 +2014,7 @@ 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 spi_nor_generic_flash = {
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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 4fb5ff09c63a..099a47cceba0 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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@@ -644,6 +644,7 @@ 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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extern const struct attribute_group *spi_nor_sysfs_groups[];
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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..5a7ec40c9701
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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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--
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Armbian
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