#define NAND_CMD_RESET 0xff
#define NAND_CMD_LOCK 0x2a
+#define NAND_CMD_LOCK_TIGHT 0x2c
#define NAND_CMD_UNLOCK1 0x23
#define NAND_CMD_UNLOCK2 0x24
+#define NAND_CMD_LOCK_STATUS 0x7a
/* Extended commands for large page devices */
#define NAND_CMD_READSTART 0x30
*/
#define BBT_AUTO_REFRESH 0x00000080
/*
- * Chip does not require ready check on read. True
+ * Chip does not require ready check on read. true
* for all large page devices, as they do not support
* autoincrement.
*/
/* Device behaves just like nand, but is readonly */
#define NAND_ROM 0x00000800
+/* Device supports subpage reads */
+#define NAND_SUBPAGE_READ 0x00001000
+
/* Options valid for Samsung large page devices */
#define NAND_SAMSUNG_LP_OPTIONS \
(NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK)
#define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING))
#define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG))
#define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK))
-/* Large page NAND with SOFT_ECC should support subpage reads */
-#define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \
- && (chip->page_shift > 9))
-
-/* Mask to zero out the chip options, which come from the id table */
-#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR)
+#define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ))
/* Non chip related options */
/*