Merge git://www.denx.de/git/u-boot-ppc4xx

[u-boot] / include / linux / mtd / nand.h

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 2055584374d6277629ee3ec16b8c9a812af65483..991bd8e63ed0dccf945062b5085065004e667abe 100644 (file)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -464,6 +464,8 @@ struct nand_buffers {
  * @pagemask:          [INTERN] page number mask = number of (pages / chip) - 1
  * @pagebuf:           [INTERN] holds the pagenumber which is currently in
  *                     data_buf.
+ * @pagebuf_bitflips:  [INTERN] holds the bitflip count for the page which is
+ *                     currently in data_buf.
  * @subpagesize:       [INTERN] holds the subpagesize
  * @onfi_version:      [INTERN] holds the chip ONFI version (BCD encoded),
  *                     non 0 if ONFI supported.
@@ -531,6 +533,7 @@ struct nand_chip {
        uint64_t chipsize;
        int pagemask;
        int pagebuf;
+       unsigned int pagebuf_bitflips;
        int subpagesize;
        uint8_t cellinfo;
        int badblockpos;
@@ -716,4 +719,23 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
 }
 #endif
 
+/**
+ * Check if the opcode's address should be sent only on the lower 8 bits
+ * @command: opcode to check
+ */
+static inline int nand_opcode_8bits(unsigned int command)
+{
+       switch (command) {
+       case NAND_CMD_READID:
+       case NAND_CMD_PARAM:
+       case NAND_CMD_GET_FEATURES:
+       case NAND_CMD_SET_FEATURES:
+               return 1;
+       default:
+               break;
+       }
+       return 0;
+}
+
+
 #endif /* __LINUX_MTD_NAND_H */