#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.
+ */
+#if defined(CONFIG_NAND_FSL_ELBC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+
extern void nand_init(void);
-#ifndef CFG_NAND_LEGACY
-#include <linux/mtd/compat.h>
+#include <linux/compat.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
+#ifdef CONFIG_SYS_NAND_SELF_INIT
+void board_nand_init(void);
+int nand_register(int devnum);
+#else
+extern int board_nand_init(struct nand_chip *nand);
+#endif
+
typedef struct mtd_info nand_info_t;
extern int nand_curr_device;
extern nand_info_t nand_info[];
-static inline int nand_read(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
return info->read(info, ofs, *len, (size_t *)len, buf);
}
-static inline int nand_write(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
return info->write(info, ofs, *len, (size_t *)len, buf);
}
-static inline int nand_block_isbad(nand_info_t *info, off_t ofs)
+static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
{
return info->block_isbad(info, ofs);
}
-static inline int nand_erase(nand_info_t *info, off_t off, size_t size)
+static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
{
struct erase_info instr;
typedef struct nand_read_options nand_read_options_t;
struct nand_erase_options {
- ulong length; /* number of bytes to erase */
- ulong offset; /* first address in NAND to erase */
+ 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;
};
typedef struct nand_erase_options nand_erase_options_t;
-int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
- u_char *buffer);
-int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
- u_char *buffer);
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ u_char *buffer);
+
+#define WITH_YAFFS_OOB (1 << 0) /* whether write with yaffs format. This flag
+ * is a 'mode' meaning it cannot be mixed with
+ * other flags */
+#define WITH_DROP_FFS (1 << 1) /* drop trailing all-0xff pages */
+
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ u_char *buffer, int flags);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
#define NAND_LOCK_STATUS_TIGHT 0x01
int nand_lock( nand_info_t *meminfo, int tight );
int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
-int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
+int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
-#ifdef CFG_NAND_SELECT_DEVICE
+int nand_spl_load_image(uint32_t offs, unsigned int size, 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);
-#endif /* !CFG_NAND_LEGACY */
+#endif
+
+#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(nand_info_t *nand, unsigned long *result);
#endif