-/*
- * $Id: mtd.h,v 1.56 2004/08/09 18:46:04 dmarlin Exp $
- *
- * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
+/*
+ * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
*
* Released under GPL
+ *
*/
#ifndef __MTD_MTD_H__
#define __MTD_MTD_H__
+
+#ifndef __UBOOT__
#include <linux/types.h>
-#include <linux/mtd/mtd-abi.h>
+#include <linux/uio.h>
+#include <linux/notifier.h>
+#include <linux/device.h>
-#define MAX_MTD_DEVICES 16
+#include <mtd/mtd-abi.h>
-#define MTD_ERASE_PENDING 0x01
+#include <asm/div64.h>
+#else
+#include <linux/compat.h>
+#include <mtd/mtd-abi.h>
+#include <asm/errno.h>
+#include <div64.h>
+
+#define MAX_MTD_DEVICES 32
+#endif
+
+#define MTD_ERASE_PENDING 0x01
#define MTD_ERASING 0x02
#define MTD_ERASE_SUSPEND 0x04
-#define MTD_ERASE_DONE 0x08
-#define MTD_ERASE_FAILED 0x10
+#define MTD_ERASE_DONE 0x08
+#define MTD_ERASE_FAILED 0x10
+
+#define MTD_FAIL_ADDR_UNKNOWN -1LL
-/* If the erase fails, fail_addr might indicate exactly which block failed. If
- fail_addr = 0xffffffff, the failure was not at the device level or was not
- specific to any particular block. */
+/*
+ * If the erase fails, fail_addr might indicate exactly which block failed. If
+ * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
+ * or was not specific to any particular block.
+ */
struct erase_info {
struct mtd_info *mtd;
- u_int32_t addr;
- u_int32_t len;
- u_int32_t fail_addr;
+ uint64_t addr;
+ uint64_t len;
+ uint64_t fail_addr;
u_long time;
u_long retries;
- u_int dev;
- u_int cell;
+ unsigned dev;
+ unsigned cell;
void (*callback) (struct erase_info *self);
u_long priv;
u_char state;
struct erase_info *next;
+ int scrub;
};
struct mtd_erase_region_info {
- u_int32_t offset; /* At which this region starts, from the beginning of the MTD */
- u_int32_t erasesize; /* For this region */
- u_int32_t numblocks; /* Number of blocks of erasesize in this region */
+ uint64_t offset; /* At which this region starts, from the beginning of the MTD */
+ uint32_t erasesize; /* For this region */
+ uint32_t numblocks; /* Number of blocks of erasesize in this region */
+ unsigned long *lockmap; /* If keeping bitmap of locks */
+};
+
+/**
+ * struct mtd_oob_ops - oob operation operands
+ * @mode: operation mode
+ *
+ * @len: number of data bytes to write/read
+ *
+ * @retlen: number of data bytes written/read
+ *
+ * @ooblen: number of oob bytes to write/read
+ * @oobretlen: number of oob bytes written/read
+ * @ooboffs: offset of oob data in the oob area (only relevant when
+ * mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
+ * @datbuf: data buffer - if NULL only oob data are read/written
+ * @oobbuf: oob data buffer
+ *
+ * Note, it is allowed to read more than one OOB area at one go, but not write.
+ * The interface assumes that the OOB write requests program only one page's
+ * OOB area.
+ */
+struct mtd_oob_ops {
+ unsigned int mode;
+ size_t len;
+ size_t retlen;
+ size_t ooblen;
+ size_t oobretlen;
+ uint32_t ooboffs;
+ uint8_t *datbuf;
+ uint8_t *oobbuf;
+};
+
+#ifdef CONFIG_SYS_NAND_MAX_OOBFREE
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE CONFIG_SYS_NAND_MAX_OOBFREE
+#else
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE 32
+#endif
+
+#ifdef CONFIG_SYS_NAND_MAX_ECCPOS
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE CONFIG_SYS_NAND_MAX_ECCPOS
+#else
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE 680
+#endif
+
+/*
+ * Internal ECC layout control structure. For historical reasons, there is a
+ * similar, smaller struct nand_ecclayout_user (in mtd-abi.h) that is retained
+ * for export to user-space via the ECCGETLAYOUT ioctl.
+ * nand_ecclayout should be expandable in the future simply by the above macros.
+ */
+struct nand_ecclayout {
+ __u32 eccbytes;
+ __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
+ __u32 oobavail;
+ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
};
+struct module; /* only needed for owner field in mtd_info */
+
struct mtd_info {
u_char type;
- u_int32_t flags;
- u_int32_t size; // Total size of the MTD
+ uint32_t flags;
+ uint64_t size; // Total size of the MTD
- /* "Major" erase size for the device. Naïve users may take this
+ /* "Major" erase size for the device. Naïve users may take this
* to be the only erase size available, or may use the more detailed
* information below if they desire
*/
- u_int32_t erasesize;
+ uint32_t erasesize;
+ /* Minimal writable flash unit size. In case of NOR flash it is 1 (even
+ * though individual bits can be cleared), in case of NAND flash it is
+ * one NAND page (or half, or one-fourths of it), in case of ECC-ed NOR
+ * it is of ECC block size, etc. It is illegal to have writesize = 0.
+ * Any driver registering a struct mtd_info must ensure a writesize of
+ * 1 or larger.
+ */
+ uint32_t writesize;
+
+ /*
+ * Size of the write buffer used by the MTD. MTD devices having a write
+ * buffer can write multiple writesize chunks at a time. E.g. while
+ * writing 4 * writesize bytes to a device with 2 * writesize bytes
+ * buffer the MTD driver can (but doesn't have to) do 2 writesize
+ * operations, but not 4. Currently, all NANDs have writebufsize
+ * equivalent to writesize (NAND page size). Some NOR flashes do have
+ * writebufsize greater than writesize.
+ */
+ uint32_t writebufsize;
- u_int32_t oobblock; // Size of OOB blocks (e.g. 512)
- u_int32_t oobsize; // Amount of OOB data per block (e.g. 16)
- u_int32_t oobavail; // Number of bytes in OOB area available for fs
- u_int32_t ecctype;
- u_int32_t eccsize;
-
+ uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
+ uint32_t oobavail; // Available OOB bytes per block
+
+ /*
+ * If erasesize is a power of 2 then the shift is stored in
+ * erasesize_shift otherwise erasesize_shift is zero. Ditto writesize.
+ */
+ unsigned int erasesize_shift;
+ unsigned int writesize_shift;
+ /* Masks based on erasesize_shift and writesize_shift */
+ unsigned int erasesize_mask;
+ unsigned int writesize_mask;
+
+ /*
+ * read ops return -EUCLEAN if max number of bitflips corrected on any
+ * one region comprising an ecc step equals or exceeds this value.
+ * Settable by driver, else defaults to ecc_strength. User can override
+ * in sysfs. N.B. The meaning of the -EUCLEAN return code has changed;
+ * see Documentation/ABI/testing/sysfs-class-mtd for more detail.
+ */
+ unsigned int bitflip_threshold;
// Kernel-only stuff starts here.
+#ifndef __UBOOT__
+ const char *name;
+#else
char *name;
+#endif
int index;
- // oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO)
- struct nand_oobinfo oobinfo;
+ /* ECC layout structure pointer - read only! */
+ struct nand_ecclayout *ecclayout;
+
+ /* the ecc step size. */
+ unsigned int ecc_step_size;
+
+ /* max number of correctible bit errors per ecc step */
+ unsigned int ecc_strength;
/* Data for variable erase regions. If numeraseregions is zero,
- * it means that the whole device has erasesize as given above.
+ * it means that the whole device has erasesize as given above.
*/
int numeraseregions;
- struct mtd_erase_region_info *eraseregions;
+ struct mtd_erase_region_info *eraseregions;
+
+ /*
+ * Do not call via these pointers, use corresponding mtd_*()
+ * wrappers instead.
+ */
+ int (*_erase) (struct mtd_info *mtd, struct erase_info *instr);
+#ifndef __UBOOT__
+ int (*_point) (struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys);
+ int (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
+#endif
+ unsigned long (*_get_unmapped_area) (struct mtd_info *mtd,
+ unsigned long len,
+ unsigned long offset,
+ unsigned long flags);
+ int (*_read) (struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf);
+ int (*_write) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf);
+ int (*_panic_write) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf);
+ int (*_read_oob) (struct mtd_info *mtd, loff_t from,
+ struct mtd_oob_ops *ops);
+ int (*_write_oob) (struct mtd_info *mtd, loff_t to,
+ struct mtd_oob_ops *ops);
+ int (*_get_fact_prot_info) (struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf);
+ int (*_read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen, u_char *buf);
+ int (*_get_user_prot_info) (struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf);
+ int (*_read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen, u_char *buf);
+ int (*_write_user_prot_reg) (struct mtd_info *mtd, loff_t to,
+ size_t len, size_t *retlen, u_char *buf);
+ int (*_lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len);
+#ifndef __UBOOT__
+ int (*_writev) (struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen);
+#endif
+ void (*_sync) (struct mtd_info *mtd);
+ int (*_lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
+ int (*_unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
+ int (*_is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
+ int (*_block_isreserved) (struct mtd_info *mtd, loff_t ofs);
+ int (*_block_isbad) (struct mtd_info *mtd, loff_t ofs);
+ int (*_block_markbad) (struct mtd_info *mtd, loff_t ofs);
+#ifndef __UBOOT__
+ int (*_suspend) (struct mtd_info *mtd);
+ void (*_resume) (struct mtd_info *mtd);
+#endif
+ /*
+ * If the driver is something smart, like UBI, it may need to maintain
+ * its own reference counting. The below functions are only for driver.
+ */
+ int (*_get_device) (struct mtd_info *mtd);
+ void (*_put_device) (struct mtd_info *mtd);
+
+#ifndef __UBOOT__
+ /* Backing device capabilities for this device
+ * - provides mmap capabilities
+ */
+ struct backing_dev_info *backing_dev_info;
+
+ struct notifier_block reboot_notifier; /* default mode before reboot */
+#endif
+
+ /* ECC status information */
+ struct mtd_ecc_stats ecc_stats;
+ /* Subpage shift (NAND) */
+ int subpage_sft;
+
+ void *priv;
+
+ struct module *owner;
+#ifndef __UBOOT__
+ struct device dev;
+#endif
+ int usecount;
+};
- /* This really shouldn't be here. It can go away in 2.5 */
- u_int32_t bank_size;
+int mtd_erase(struct mtd_info *mtd, struct erase_info *instr);
+#ifndef __UBOOT__
+int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
+ void **virt, resource_size_t *phys);
+int mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
+#endif
+unsigned long mtd_get_unmapped_area(struct mtd_info *mtd, unsigned long len,
+ unsigned long offset, unsigned long flags);
+int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
+ u_char *buf);
+int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
+ const u_char *buf);
+int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
+ const u_char *buf);
+
+int mtd_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops);
+
+static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
+ struct mtd_oob_ops *ops)
+{
+ ops->retlen = ops->oobretlen = 0;
+ if (!mtd->_write_oob)
+ return -EOPNOTSUPP;
+ if (!(mtd->flags & MTD_WRITEABLE))
+ return -EROFS;
+ return mtd->_write_oob(mtd, to, ops);
+}
- int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
+int mtd_get_fact_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf);
+int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf);
+int mtd_get_user_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf);
+int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf);
+int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, u_char *buf);
+int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len);
+
+#ifndef __UBOOT__
+int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen);
+#endif
- /* This stuff for eXecute-In-Place */
- int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
+static inline void mtd_sync(struct mtd_info *mtd)
+{
+ if (mtd->_sync)
+ mtd->_sync(mtd);
+}
- /* We probably shouldn't allow XIP if the unpoint isn't a NULL */
- void (*unpoint) (struct mtd_info *mtd, u_char * addr, loff_t from, size_t len);
+int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+int mtd_block_isreserved(struct mtd_info *mtd, loff_t ofs);
+int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs);
+int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs);
+#ifndef __UBOOT__
+static inline int mtd_suspend(struct mtd_info *mtd)
+{
+ return mtd->_suspend ? mtd->_suspend(mtd) : 0;
+}
- int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
+static inline void mtd_resume(struct mtd_info *mtd)
+{
+ if (mtd->_resume)
+ mtd->_resume(mtd);
+}
+#endif
- int (*read_ecc) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
- int (*write_ecc) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
+static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
+{
+ if (mtd->erasesize_shift)
+ return sz >> mtd->erasesize_shift;
+ do_div(sz, mtd->erasesize);
+ return sz;
+}
- int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
+static inline uint32_t mtd_mod_by_eb(uint64_t sz, struct mtd_info *mtd)
+{
+ if (mtd->erasesize_shift)
+ return sz & mtd->erasesize_mask;
+ return do_div(sz, mtd->erasesize);
+}
- /*
- * Methods to access the protection register area, present in some
- * flash devices. The user data is one time programmable but the
- * factory data is read only.
- */
- int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
- int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
- /* This function is not yet implemented */
- int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-#if 0
- /* kvec-based read/write methods. We need these especially for NAND flash,
- with its limited number of write cycles per erase.
- NB: The 'count' parameter is the number of _vectors_, each of
- which contains an (ofs, len) tuple.
- */
- int (*readv) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, size_t *retlen);
- int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from,
- size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel);
- int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
- int (*writev_ecc) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to,
- size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel);
-#endif
- /* Sync */
- void (*sync) (struct mtd_info *mtd);
-#if 0
- /* Chip-supported device locking */
- int (*lock) (struct mtd_info *mtd, loff_t ofs, size_t len);
- int (*unlock) (struct mtd_info *mtd, loff_t ofs, size_t len);
-
- /* Power Management functions */
- int (*suspend) (struct mtd_info *mtd);
- void (*resume) (struct mtd_info *mtd);
-#endif
- /* Bad block management functions */
- int (*block_isbad) (struct mtd_info *mtd, loff_t ofs);
- int (*block_markbad) (struct mtd_info *mtd, loff_t ofs);
+static inline uint32_t mtd_div_by_ws(uint64_t sz, struct mtd_info *mtd)
+{
+ if (mtd->writesize_shift)
+ return sz >> mtd->writesize_shift;
+ do_div(sz, mtd->writesize);
+ return sz;
+}
- void *priv;
+static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
+{
+ if (mtd->writesize_shift)
+ return sz & mtd->writesize_mask;
+ return do_div(sz, mtd->writesize);
+}
- struct module *owner;
- int usecount;
-};
+static inline int mtd_has_oob(const struct mtd_info *mtd)
+{
+ return mtd->_read_oob && mtd->_write_oob;
+}
+static inline int mtd_type_is_nand(const struct mtd_info *mtd)
+{
+ return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH;
+}
- /* Kernel-side ioctl definitions */
+static inline int mtd_can_have_bb(const struct mtd_info *mtd)
+{
+ return !!mtd->_block_isbad;
+}
-extern int add_mtd_device(struct mtd_info *mtd);
-extern int del_mtd_device (struct mtd_info *mtd);
+ /* Kernel-side ioctl definitions */
+struct mtd_partition;
+struct mtd_part_parser_data;
+
+extern int mtd_device_parse_register(struct mtd_info *mtd,
+ const char * const *part_probe_types,
+ struct mtd_part_parser_data *parser_data,
+ const struct mtd_partition *defparts,
+ int defnr_parts);
+#define mtd_device_register(master, parts, nr_parts) \
+ mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
+extern int mtd_device_unregister(struct mtd_info *master);
extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
-
+extern int __get_mtd_device(struct mtd_info *mtd);
+extern void __put_mtd_device(struct mtd_info *mtd);
+extern struct mtd_info *get_mtd_device_nm(const char *name);
extern void put_mtd_device(struct mtd_info *mtd);
-#if 0
+
+#ifndef __UBOOT__
struct mtd_notifier {
void (*add)(struct mtd_info *mtd);
void (*remove)(struct mtd_info *mtd);
extern void register_mtd_user (struct mtd_notifier *new);
extern int unregister_mtd_user (struct mtd_notifier *old);
-
-int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen);
-
-int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
- unsigned long count, loff_t from, size_t *retlen);
#endif
-
-#define MTD_ERASE(mtd, args...) (*(mtd->erase))(mtd, args)
-#define MTD_POINT(mtd, a,b,c,d) (*(mtd->point))(mtd, a,b,c, (u_char **)(d))
-#define MTD_UNPOINT(mtd, arg) (*(mtd->unpoint))(mtd, (u_char *)arg)
-#define MTD_READ(mtd, args...) (*(mtd->read))(mtd, args)
-#define MTD_WRITE(mtd, args...) (*(mtd->write))(mtd, args)
-#define MTD_READV(mtd, args...) (*(mtd->readv))(mtd, args)
-#define MTD_WRITEV(mtd, args...) (*(mtd->writev))(mtd, args)
-#define MTD_READECC(mtd, args...) (*(mtd->read_ecc))(mtd, args)
-#define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args)
-#define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args)
-#define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args)
-#define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd); } while (0)
-
+void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
#ifdef CONFIG_MTD_PARTITIONS
void mtd_erase_callback(struct erase_info *instr);
}
#endif
+#ifdef __UBOOT__
/*
* Debugging macro and defines
*/
#define MTD_DEBUG_LEVEL3 (3) /* Noisy */
#ifdef CONFIG_MTD_DEBUG
-#define DEBUG(n, args...) \
- do { \
+#define pr_debug(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define MTDDEBUG(n, args...) \
+ do { \
if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
printk(KERN_INFO args); \
} while(0)
#else /* CONFIG_MTD_DEBUG */
-#define DEBUG(n, args...) do { } while(0)
-
+#define pr_debug(args...)
+#define MTDDEBUG(n, args...) \
+ do { \
+ if (0) \
+ printk(KERN_INFO args); \
+ } while(0)
#endif /* CONFIG_MTD_DEBUG */
+#define pr_info(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define pr_warn(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define pr_err(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define pr_crit(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define pr_cont(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#define pr_notice(args...) MTDDEBUG(MTD_DEBUG_LEVEL0, args)
+#endif
+
+static inline int mtd_is_bitflip(int err) {
+ return err == -EUCLEAN;
+}
+
+static inline int mtd_is_eccerr(int err) {
+ return err == -EBADMSG;
+}
+static inline int mtd_is_bitflip_or_eccerr(int err) {
+ return mtd_is_bitflip(err) || mtd_is_eccerr(err);
+}
+
+#ifdef __UBOOT__
+/* drivers/mtd/mtdcore.h */
+int add_mtd_device(struct mtd_info *mtd);
+int del_mtd_device(struct mtd_info *mtd);
+int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
+int del_mtd_partitions(struct mtd_info *);
+
+int mtd_arg_off(const char *arg, int *idx, loff_t *off, loff_t *size,
+ loff_t *maxsize, int devtype, uint64_t chipsize);
+int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
+ loff_t *size, loff_t *maxsize, int devtype,
+ uint64_t chipsize);
+#endif
#endif /* __MTD_MTD_H__ */
projects / karo-tx-uboot.git / blobdiff