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Commit 376fbf20 authored by Robert Jarzmik's avatar Robert Jarzmik Committed by David Woodhouse
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mtd: docg3: add registers for erasing and writing 



Add the required registers and commands to erase and write
flash pages / blocks.

Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: default avatarIvan Djelic <ivan.djelic@parrot.com>
Reviewed-by: default avatarMike Dunn <mikedunn@newsguy.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 732b63bd

drivers/mtd/devices/docg3.h

+13 −1
Original line number Diff line number Diff line
@@ -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