diff options
Diffstat (limited to 'qemu/roms/u-boot/include/mtd/mtd-abi.h')
| -rw-r--r-- | qemu/roms/u-boot/include/mtd/mtd-abi.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/qemu/roms/u-boot/include/mtd/mtd-abi.h b/qemu/roms/u-boot/include/mtd/mtd-abi.h deleted file mode 100644 index ac3c29876..000000000 --- a/qemu/roms/u-boot/include/mtd/mtd-abi.h +++ /dev/null @@ -1,197 +0,0 @@ -/* - * $Id: mtd-abi.h,v 1.13 2005/11/07 11:14:56 gleixner Exp $ - * - * Portions of MTD ABI definition which are shared by kernel and user space - */ - -#ifndef __MTD_ABI_H__ -#define __MTD_ABI_H__ - -#if 1 -#include <linux/compat.h> -#endif - -#include <linux/compiler.h> - -struct erase_info_user { - uint32_t start; - uint32_t length; -}; - -struct mtd_oob_buf { - uint32_t start; - uint32_t length; - unsigned char __user *ptr; -}; - -/* - * MTD operation modes - * - * @MTD_OPS_PLACE_OOB: OOB data are placed at the given offset (default) - * @MTD_OPS_AUTO_OOB: OOB data are automatically placed at the free areas - * which are defined by the internal ecclayout - * @MTD_OPS_RAW: data are transferred as-is, with no error correction; - * this mode implies %MTD_OPS_PLACE_OOB - * - * These modes can be passed to ioctl(MEMWRITE) and are also used internally. - * See notes on "MTD file modes" for discussion on %MTD_OPS_RAW vs. - * %MTD_FILE_MODE_RAW. - */ -enum { - MTD_OPS_PLACE_OOB = 0, - MTD_OPS_AUTO_OOB = 1, - MTD_OPS_RAW = 2, -}; - -#define MTD_ABSENT 0 -#define MTD_RAM 1 -#define MTD_ROM 2 -#define MTD_NORFLASH 3 -#define MTD_NANDFLASH 4 -#define MTD_DATAFLASH 6 -#define MTD_UBIVOLUME 7 - -#define MTD_WRITEABLE 0x400 /* Device is writeable */ -#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */ -#define MTD_NO_ERASE 0x1000 /* No erase necessary */ -#define MTD_STUPID_LOCK 0x2000 /* Always locked after reset */ - -/* Some common devices / combinations of capabilities */ -#define MTD_CAP_ROM 0 -#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) -#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE) -#define MTD_CAP_NANDFLASH (MTD_WRITEABLE) - -/* ECC byte placement */ -#define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */ -#define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */ -#define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */ -#define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */ -#define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */ - -/* OTP mode selection */ -#define MTD_OTP_OFF 0 -#define MTD_OTP_FACTORY 1 -#define MTD_OTP_USER 2 - -struct mtd_info_user { - uint8_t type; - uint32_t flags; - uint32_t size; /* Total size of the MTD */ - uint32_t erasesize; - uint32_t writesize; - uint32_t oobsize; /* Amount of OOB data per block (e.g. 16) */ - /* The below two fields are obsolete and broken, do not use them - * (TODO: remove at some point) */ - uint32_t ecctype; - uint32_t eccsize; -}; - -struct region_info_user { - uint32_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 in this region */ - uint32_t regionindex; -}; - -struct otp_info { - uint32_t start; - uint32_t length; - uint32_t locked; -}; - -/* Get basic MTD characteristics info (better to use sysfs) */ -#define MEMGETINFO _IOR('M', 1, struct mtd_info_user) -/* Erase segment of MTD */ -#define MEMERASE _IOW('M', 2, struct erase_info_user) -/* Write out-of-band data from MTD */ -#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf) -/* Read out-of-band data from MTD */ -#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf) -/* Lock a chip (for MTD that supports it) */ -#define MEMLOCK _IOW('M', 5, struct erase_info_user) -/* Unlock a chip (for MTD that supports it) */ -#define MEMUNLOCK _IOW('M', 6, struct erase_info_user) -/* Get the number of different erase regions */ -#define MEMGETREGIONCOUNT _IOR('M', 7, int) -/* Get information about the erase region for a specific index */ -#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user) -/* Get info about OOB modes (e.g., RAW, PLACE, AUTO) - legacy interface */ -#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo) -#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo) -/* Check if an eraseblock is bad */ -#define MEMGETBADBLOCK _IOW('M', 11, loff_t) -/* Mark an eraseblock as bad */ -#define MEMSETBADBLOCK _IOW('M', 12, loff_t) -/* Set OTP (One-Time Programmable) mode (factory vs. user) */ -#define OTPSELECT _IOR('M', 13, int) -/* Get number of OTP (One-Time Programmable) regions */ -#define OTPGETREGIONCOUNT _IOW('M', 14, int) -/* Get all OTP (One-Time Programmable) info about MTD */ -#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info) -/* Lock a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */ -#define OTPLOCK _IOR('M', 16, struct otp_info) -/* Get ECC layout (deprecated) */ -#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout) -/* Get statistics about corrected/uncorrected errors */ -#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats) -/* Set MTD mode on a per-file-descriptor basis (see "MTD file modes") */ -#define MTDFILEMODE _IO('M', 19) - -/* - * Obsolete legacy interface. Keep it in order not to break userspace - * interfaces - */ -struct nand_oobinfo { - uint32_t useecc; - uint32_t eccbytes; - uint32_t oobfree[8][2]; - uint32_t eccpos[48]; -}; - -struct nand_oobfree { - uint32_t offset; - uint32_t length; -}; - -/** - * struct mtd_ecc_stats - error correction stats - * - * @corrected: number of corrected bits - * @failed: number of uncorrectable errors - * @badblocks: number of bad blocks in this partition - * @bbtblocks: number of blocks reserved for bad block tables - */ -struct mtd_ecc_stats { - uint32_t corrected; - uint32_t failed; - uint32_t badblocks; - uint32_t bbtblocks; -}; - -/* - * MTD file modes - for read/write access to MTD - * - * @MTD_FILE_MODE_NORMAL: OTP disabled, ECC enabled - * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in factory mode - * @MTD_FILE_MODE_OTP_USER: OTP enabled in user mode - * @MTD_FILE_MODE_RAW: OTP disabled, ECC disabled - * - * These modes can be set via ioctl(MTDFILEMODE). The mode mode will be retained - * separately for each open file descriptor. - * - * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW - - * raw access to the flash, without error correction or autoplacement schemes. - * Wherever possible, the MTD_OPS_* mode will override the MTD_FILE_MODE_* mode - * (e.g., when using ioctl(MEMWRITE)), but in some cases, the MTD_FILE_MODE is - * used out of necessity (e.g., `write()', ioctl(MEMWRITEOOB64)). - */ -enum mtd_file_modes { - MTD_MODE_NORMAL = MTD_OTP_OFF, - MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY, - MTD_MODE_OTP_USER = MTD_OTP_USER, - MTD_MODE_RAW, -}; - -#endif /* __MTD_ABI_H__ */ |