diff options
Diffstat (limited to 'include/linux/mtd/nand.h')
| -rw-r--r-- | include/linux/mtd/nand.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 8b3ef4187219..2071b02f0526 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -166,6 +166,9 @@ typedef enum { * for all large page devices, as they do not support * autoincrement.*/ #define NAND_NO_READRDY 0x00000100 +/* Chip does not allow subpage writes */ +#define NAND_NO_SUBPAGE_WRITE 0x00000200 + /* Options valid for Samsung large page devices */ #define NAND_SAMSUNG_LP_OPTIONS \ @@ -193,6 +196,9 @@ typedef enum { /* Nand scan has allocated controller struct */ #define NAND_CONTROLLER_ALLOC 0x80000000 +/* Cell info constants */ +#define NAND_CI_CHIPNR_MSK 0x03 +#define NAND_CI_CELLTYPE_MSK 0x0C /* * nand_state_t - chip states @@ -286,9 +292,7 @@ struct nand_ecc_ctrl { * struct nand_buffers - buffer structure for read/write * @ecccalc: buffer for calculated ecc * @ecccode: buffer for ecc read from flash - * @oobwbuf: buffer for write oob data * @databuf: buffer for data - dynamically sized - * @oobrbuf: buffer to read oob data * * Do not change the order of buffers. databuf and oobrbuf must be in * consecutive order. @@ -296,9 +300,7 @@ struct nand_ecc_ctrl { struct nand_buffers { uint8_t ecccalc[NAND_MAX_OOBSIZE]; uint8_t ecccode[NAND_MAX_OOBSIZE]; - uint8_t oobwbuf[NAND_MAX_OOBSIZE]; - uint8_t databuf[NAND_MAX_PAGESIZE]; - uint8_t oobrbuf[NAND_MAX_OOBSIZE]; + uint8_t databuf[NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE]; }; /** @@ -345,6 +347,7 @@ struct nand_buffers { * @chipsize: [INTERN] the size of one chip for multichip arrays * @pagemask: [INTERN] page number mask = number of (pages / chip) - 1 * @pagebuf: [INTERN] holds the pagenumber which is currently in data_buf + * @subpagesize: [INTERN] holds the subpagesize * @ecclayout: [REPLACEABLE] the default ecc placement scheme * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup @@ -392,6 +395,8 @@ struct nand_chip { unsigned long chipsize; int pagemask; int pagebuf; + int subpagesize; + uint8_t cellinfo; int badblockpos; nand_state_t state; |