mtd: docg3: add registers for erasing and writing
authorRobert Jarzmik <robert.jarzmik@free.fr>
Sat, 19 Nov 2011 15:02:50 +0000 (16:02 +0100)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 9 Jan 2012 18:07:21 +0000 (18:07 +0000)
Add the required registers and commands to erase and write
flash pages / blocks.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Ivan Djelic <ivan.djelic@parrot.com>
Reviewed-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/mtd/devices/docg3.h

index 75df3a1060fbd670c1d851e8e39543444f02cd82..e9967aba80a8a6b93378b09c66e9f4f24eb7145e 100644 (file)
 #define DOC_SEQ_SET_PLANE1             0x0e
 #define DOC_SEQ_SET_PLANE2             0x10
 #define DOC_SEQ_PAGE_SETUP             0x1d
+#define DOC_SEQ_ERASE                  0x27
+#define DOC_SEQ_PLANES_STATUS          0x31
 
 /*
  * Flash commands
 #define DOC_CMD_PROG_BLOCK_ADDR                0x60
 #define DOC_CMD_PROG_CYCLE1            0x80
 #define DOC_CMD_PROG_CYCLE2            0x10
+#define DOC_CMD_PROG_CYCLE3            0x11
 #define DOC_CMD_ERASECYCLE2            0xd0
+#define DOC_CMD_READ_STATUS            0x70
+#define DOC_CMD_PLANES_STATUS          0x71
 
 #define DOC_CMD_RELIABLE_MODE          0x22
 #define DOC_CMD_FAST_MODE              0xa2
  */
 #define DOC_ECCCONF1_BCH_SYNDROM_ERR   0x80
 #define DOC_ECCCONF1_UNKOWN1           0x40
-#define DOC_ECCCONF1_UNKOWN2           0x20
+#define DOC_ECCCONF1_PAGE_IS_WRITTEN   0x20
 #define DOC_ECCCONF1_UNKOWN3           0x10
 #define DOC_ECCCONF1_HAMMING_BITS_MASK 0x0f
 
 #define DOC_READADDR_ONE_BYTE          0x4000
 #define DOC_READADDR_ADDR_MASK         0x1fff
 
+/*
+ * Status of erase and write operation
+ */
+#define DOC_PLANES_STATUS_FAIL         0x01
+#define DOC_PLANES_STATUS_PLANE0_KO    0x02
+#define DOC_PLANES_STATUS_PLANE1_KO    0x04
+
 /**
  * struct docg3 - DiskOnChip driver private data
  * @dev: the device currently under control