[U-Boot] [PATCH v1 5/9] mtd: nand: mxs_nand: create separate header file

[Stefan Agner]

From: Stefan Agner <stefan.agner at toradex.com>

Create separate header file so we can use a separate compile
unit for device tree support.

Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
---

 drivers/mtd/nand/mxs_nand.c | 61 ++-----------------------------
 drivers/mtd/nand/mxs_nand.h | 72 +++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 58 deletions(-)
 create mode 100644 drivers/mtd/nand/mxs_nand.h

diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index 978f6a6893..5fbbb0a706 100644
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -14,11 +14,10 @@
  */
 
 #include <common.h>
-#include <linux/mtd/mtd.h>
+#include <dm.h>
 #include <linux/mtd/rawnand.h>
 #include <linux/types.h>
 #include <malloc.h>
-#include <nand.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
@@ -26,7 +25,8 @@
 #include <asm/mach-imx/regs-bch.h>
 #include <asm/mach-imx/regs-gpmi.h>
 #include <asm/arch/sys_proto.h>
-#include <asm/mach-imx/dma.h>
+
+#include "mxs_nand.h"
 
 #define	MXS_NAND_DMA_DESCRIPTOR_COUNT		4
 
@@ -46,61 +46,6 @@
 
 #define	MXS_NAND_BCH_TIMEOUT			10000
 
-/**
- * @gf_len:                   The length of Galois Field. (e.g., 13 or 14)
- * @ecc_strength:             A number that describes the strength of the ECC
- *                            algorithm.
- * @ecc_chunk_size:           The size, in bytes, of a single ECC chunk. Note
- *                            the first chunk in the page includes both data and
- *                            metadata, so it's a bit larger than this value.
- * @ecc_chunk_count:          The number of ECC chunks in the page,
- * @block_mark_byte_offset:   The byte offset in the ECC-based page view at
- *                            which the underlying physical block mark appears.
- * @block_mark_bit_offset:    The bit offset into the ECC-based page view at
- *                            which the underlying physical block mark appears.
- */
-struct bch_geometry {
-	unsigned int  gf_len;
-	unsigned int  ecc_strength;
-	unsigned int  ecc_chunk_size;
-	unsigned int  ecc_chunk_count;
-	unsigned int  block_mark_byte_offset;
-	unsigned int  block_mark_bit_offset;
-};
-
-struct mxs_nand_info {
-	struct nand_chip chip;
-	unsigned int	max_ecc_strength_supported;
-	bool		use_minimum_ecc;
-	int		cur_chip;
-
-	uint32_t	cmd_queue_len;
-	uint32_t	data_buf_size;
-	struct bch_geometry bch_geometry;
-
-	uint8_t		*cmd_buf;
-	uint8_t		*data_buf;
-	uint8_t		*oob_buf;
-
-	uint8_t		marking_block_bad;
-	uint8_t		raw_oob_mode;
-
-	struct mxs_gpmi_regs *gpmi_regs;
-	struct mxs_bch_regs *bch_regs;
-
-	/* Functions with altered behaviour */
-	int		(*hooked_read_oob)(struct mtd_info *mtd,
-				loff_t from, struct mtd_oob_ops *ops);
-	int		(*hooked_write_oob)(struct mtd_info *mtd,
-				loff_t to, struct mtd_oob_ops *ops);
-	int		(*hooked_block_markbad)(struct mtd_info *mtd,
-				loff_t ofs);
-
-	/* DMA descriptors */
-	struct mxs_dma_desc	**desc;
-	uint32_t		desc_index;
-};
-
 struct nand_ecclayout fake_ecc_layout;
 
 /*
diff --git a/drivers/mtd/nand/mxs_nand.h b/drivers/mtd/nand/mxs_nand.h
new file mode 100644
index 0000000000..ae3432357e
--- /dev/null
+++ b/drivers/mtd/nand/mxs_nand.h
@@ -0,0 +1,72 @@
+/*
+ * NXP GPMI NAND flash driver
+ *
+ * Copyright (C) 2018 Toradex
+ * Authors:
+ * Stefan Agner <stefan.agner at toradex.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/mtd/mtd.h>
+#include <asm/cache.h>
+#include <nand.h>
+#include <asm/mach-imx/dma.h>
+
+/**
+ * @gf_len:                   The length of Galois Field. (e.g., 13 or 14)
+ * @ecc_strength:             A number that describes the strength of the ECC
+ *                            algorithm.
+ * @ecc_chunk_size:           The size, in bytes, of a single ECC chunk. Note
+ *                            the first chunk in the page includes both data and
+ *                            metadata, so it's a bit larger than this value.
+ * @ecc_chunk_count:          The number of ECC chunks in the page,
+ * @block_mark_byte_offset:   The byte offset in the ECC-based page view at
+ *                            which the underlying physical block mark appears.
+ * @block_mark_bit_offset:    The bit offset into the ECC-based page view at
+ *                            which the underlying physical block mark appears.
+ */
+struct bch_geometry {
+	unsigned int  gf_len;
+	unsigned int  ecc_strength;
+	unsigned int  ecc_chunk_size;
+	unsigned int  ecc_chunk_count;
+	unsigned int  block_mark_byte_offset;
+	unsigned int  block_mark_bit_offset;
+};
+
+struct mxs_nand_info {
+	struct nand_chip chip;
+	struct udevice *dev;
+	unsigned int	max_ecc_strength_supported;
+	bool		use_minimum_ecc;
+	int		cur_chip;
+
+	uint32_t	cmd_queue_len;
+	uint32_t	data_buf_size;
+	struct bch_geometry bch_geometry;
+
+	uint8_t		*cmd_buf;
+	uint8_t		*data_buf;
+	uint8_t		*oob_buf;
+
+	uint8_t		marking_block_bad;
+	uint8_t		raw_oob_mode;
+
+	struct mxs_gpmi_regs *gpmi_regs;
+	struct mxs_bch_regs *bch_regs;
+
+	/* Functions with altered behaviour */
+	int		(*hooked_read_oob)(struct mtd_info *mtd,
+				loff_t from, struct mtd_oob_ops *ops);
+	int		(*hooked_write_oob)(struct mtd_info *mtd,
+				loff_t to, struct mtd_oob_ops *ops);
+	int		(*hooked_block_markbad)(struct mtd_info *mtd,
+				loff_t ofs);
+
+	/* DMA descriptors */
+	struct mxs_dma_desc	**desc;
+	uint32_t		desc_index;
+};
+
+int mxs_nand_init(struct mxs_nand_info *nand_info);
-- 
2.17.0