X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fonenand.h;h=e7b63ddd107243d93d2955e4c0b2656957b8f9ae;hb=bff4fae4fc29376e62ac6d420b189f23a57e4294;hp=2597e347b4b19365a4aa83d22692878a68376a45;hpb=5df70e91c72dab45b7d81e4568b12e5a5b5f90ec;p=oweals%2Fu-boot.git diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 2597e347b4..e7b63ddd10 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -17,11 +17,12 @@ /* Note: The header order is impoertant */ #include -#include +#include #include +#define MAX_DIES 2 #define MAX_BUFFERRAM 2 -#define MAX_ONENAND_PAGESIZE (2048 + 64) +#define MAX_ONENAND_PAGESIZE (4096 + 128) /* Scan and identify a OneNAND device */ extern int onenand_scan (struct mtd_info *mtd, int max_chips); @@ -39,9 +40,14 @@ struct onenand_bufferram { /** * struct onenand_chip - OneNAND Private Flash Chip Data * @param base [BOARDSPECIFIC] address to access OneNAND + * @dies: [INTERN][FLEXONENAND] number of dies on chip + * @boundary: [INTERN][FLEXONENAND] Boundary of the dies + * @diesize: [INTERN][FLEXONENAND] Size of the dies * @param chipsize [INTERN] the size of one chip for multichip arrays * @param device_id [INTERN] device ID * @param verstion_id [INTERN] version ID + * @technology [INTERN] describes the internal NAND array technology such as SLC or MLC. + * @density_mask: [INTERN] chip density, used for DDP devices * @param options [BOARDSPECIFIC] various chip options. They can partly be set to inform onenand_scan about * @param erase_shift [INTERN] number of address bits in a block * @param page_shift [INTERN] number of address bits in a page @@ -64,9 +70,13 @@ struct onenand_bufferram { */ struct onenand_chip { void __iomem *base; + unsigned int dies; + unsigned int boundary[MAX_DIES]; + unsigned int diesize[MAX_DIES]; unsigned int chipsize; unsigned int device_id; unsigned int version_id; + unsigned int technology; unsigned int density_mask; unsigned int options; @@ -83,15 +93,15 @@ struct onenand_chip { size_t len); int (*wait) (struct mtd_info *mtd, int state); int (*bbt_wait) (struct mtd_info *mtd, int state); + void (*unlock_all)(struct mtd_info *mtd); int (*read_bufferram) (struct mtd_info *mtd, loff_t addr, int area, unsigned char *buffer, int offset, size_t count); - int (*read_spareram) (struct mtd_info *mtd, loff_t addr, int area, - unsigned char *buffer, int offset, size_t count); int (*write_bufferram) (struct mtd_info *mtd, loff_t addr, int area, const unsigned char *buffer, int offset, size_t count); unsigned short (*read_word) (void __iomem *addr); void (*write_word) (unsigned short value, void __iomem *addr); + int (*chip_probe)(struct mtd_info *mtd); void (*mmcontrol) (struct mtd_info *mtd, int sync_read); int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); int (*scan_bbt)(struct mtd_info *mtd); @@ -125,9 +135,14 @@ struct onenand_chip { #define ONENAND_SET_BUFFERRAM0(this) (this->bufferram_index = 0) #define ONENAND_SET_BUFFERRAM1(this) (this->bufferram_index = 1) +#define FLEXONENAND(this) (this->device_id & DEVICE_IS_FLEXONENAND) +#define ONENAND_IS_MLC(this) (this->technology & ONENAND_TECHNOLOGY_IS_MLC) #define ONENAND_IS_DDP(this) \ (this->device_id & ONENAND_DEVICE_IS_DDP) +#define ONENAND_IS_4KB_PAGE(this) \ + (this->options & ONENAND_HAS_4KB_PAGE) + #define ONENAND_IS_2PLANE(this) (0) /* @@ -136,12 +151,15 @@ struct onenand_chip { #define ONENAND_HAS_CONT_LOCK (0x0001) #define ONENAND_HAS_UNLOCK_ALL (0x0002) #define ONENAND_HAS_2PLANE (0x0004) +#define ONENAND_HAS_4KB_PAGE (0x0008) +#define ONENAND_RUNTIME_BADBLOCK_CHECK (0x0200) #define ONENAND_PAGEBUF_ALLOC (0x1000) #define ONENAND_OOBBUF_ALLOC (0x2000) /* * OneNAND Flash Manufacturer ID Codes */ +#define ONENAND_MFR_NUMONYX 0x20 #define ONENAND_MFR_SAMSUNG 0xec /** @@ -157,4 +175,6 @@ struct onenand_manufacturers { int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops); +unsigned int onenand_block(struct onenand_chip *this, loff_t addr); +int flexonenand_region(struct mtd_info *mtd, loff_t addr); #endif /* __LINUX_MTD_ONENAND_H */