From ae51f41d14f548d494ac41e0d21137c5a4c3f59c Mon Sep 17 00:00:00 2001 From: Iru Cai Date: Wed, 30 Oct 2019 14:21:52 +0800 Subject: import the U-Boot code and make it compile --- include/nand.h | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 include/nand.h (limited to 'include/nand.h') 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. + * Ladislav Michl + */ + +#ifndef _NAND_H_ +#define _NAND_H_ + +#include + +/* + * 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 +#include +#include + +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_ */ -- cgit v1.2.3