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Subject[PATCH v3 08/16] mtd/docg3: add registers for erasing and writing
Date
Add the required registers and commands to erase and write
flash pages / blocks.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
drivers/mtd/devices/docg3.h | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h
index 75df3a1..e9967ab 100644
--- a/drivers/mtd/devices/docg3.h
+++ b/drivers/mtd/devices/docg3.h
@@ -130,6 +130,8 @@
#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
@@ -144,7 +146,10 @@
#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
@@ -186,7 +191,7 @@
*/
#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

@@ -224,6 +229,13 @@
#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
--
1.7.5.4


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