1 files changed, 155 insertions, 0 deletions
diff --git a/include/nand.h b/include/nand.h
new file mode 100644
index 0000000..93cbe1e
--- /dev/null
+++ b/include/nand.h
@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) Copyright 2005
+ * 2N Telekomunikace, a.s. <www.2n.cz>
+ * Ladislav Michl <michl@2n.cz>
+ */
+
+#ifndef _NAND_H_
+#define _NAND_H_
+
+#include <config.h>
+
+/*
+ * All boards using a given driver must convert to self-init
+ * at the same time, so do it here.  When all drivers are
+ * converted, this will go away.
+ */
+#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#else
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)\
+	|| defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#endif
+
+extern void nand_init(void);
+unsigned long nand_size(void);
+
+#include <linux/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
+
+int nand_mtd_to_devnum(struct mtd_info *mtd);
+
+#ifdef CONFIG_SYS_NAND_SELF_INIT
+void board_nand_init(void);
+int nand_register(int devnum, struct mtd_info *mtd);
+#else
+extern int board_nand_init(struct nand_chip *nand);
+#endif
+
+extern int nand_curr_device;
+
+static inline int nand_read(struct mtd_info *info, loff_t ofs, size_t *len,
+			    u_char *buf)
+{
+	return mtd_read(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_write(struct mtd_info *info, loff_t ofs, size_t *len,
+			     u_char *buf)
+{
+	return mtd_write(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_block_isbad(struct mtd_info *info, loff_t ofs)
+{
+	return mtd_block_isbad(info, ofs);
+}
+
+static inline int nand_erase(struct mtd_info *info, loff_t off, size_t size)
+{
+	struct erase_info instr;
+
+	instr.mtd = info;
+	instr.addr = off;
+	instr.len = size;
+	instr.callback = 0;
+
+	return mtd_erase(info, &instr);
+}
+
+
+/*****************************************************************************
+ * declarations from nand_util.c
+ ****************************************************************************/
+
+typedef struct mtd_oob_ops mtd_oob_ops_t;
+
+struct nand_erase_options {
+	loff_t length;		/* number of bytes to erase */
+	loff_t offset;		/* first address in NAND to erase */
+	int quiet;		/* don't display progress messages */
+	int jffs2;		/* if true: format for jffs2 usage
+				 * (write appropriate cleanmarker blocks) */
+	int scrub;		/* if true, really clean NAND by erasing
+				 * bad blocks (UNSAFE) */
+
+	/* Don't include skipped bad blocks in size to be erased */
+	int spread;
+	/* maximum size that actual may be in order to not exceed the buf */
+	loff_t lim;
+};
+
+typedef struct nand_erase_options nand_erase_options_t;
+
+int nand_read_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,
+		       size_t *actual, loff_t lim, u_char *buffer);
+
+#define WITH_DROP_FFS	(1 << 0) /* drop trailing all-0xff pages */
+#define WITH_WR_VERIFY	(1 << 1) /* verify data was written correctly */
+
+int nand_write_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,
+			size_t *actual, loff_t lim, u_char *buffer, int flags);
+int nand_erase_opts(struct mtd_info *mtd,
+		    const nand_erase_options_t *opts);
+int nand_torture(struct mtd_info *mtd, loff_t offset);
+int nand_verify_page_oob(struct mtd_info *mtd, struct mtd_oob_ops *ops,
+			 loff_t ofs);
+int nand_verify(struct mtd_info *mtd, loff_t ofs, size_t len, u_char *buf);
+
+#define NAND_LOCK_STATUS_TIGHT	0x01
+#define NAND_LOCK_STATUS_UNLOCK 0x04
+
+int nand_lock(struct mtd_info *mtd, int tight);
+int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length,
+		int allexcept);
+int nand_get_lock_status(struct mtd_info *mtd, loff_t offset);
+
+int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst);
+int nand_spl_read_block(int block, int offset, int len, void *dst);
+void nand_deselect(void);
+
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
+void board_nand_select_device(struct nand_chip *nand, int chip);
+#endif
+
+__attribute__((noreturn)) void nand_boot(void);
+
+#ifdef CONFIG_ENV_OFFSET_OOB
+#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored
+				    as block number*/
+#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is
+					stored as byte number */
+#define ENV_OFFSET_SIZE 8
+int get_nand_env_oob(struct mtd_info *mtd, unsigned long *result);
+#endif
+int spl_nand_erase_one(int block, int page);
+
+/* platform specific init functions */
+void sunxi_nand_init(void);
+
+/*
+ * get_nand_dev_by_index - Get the nand info based in index.
+ *
+ * @dev - index to the nand device.
+ *
+ * returns pointer to the nand device info structure or NULL on failure.
+ */
+struct mtd_info *get_nand_dev_by_index(int dev);
+
+#endif /* _NAND_H_ */