From 376fbf208700f2105d4047b198ca43e1d9db0b33 Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Sat, 19 Nov 2011 16:02:50 +0100 Subject: mtd: docg3: add registers for erasing and writing Add the required registers and commands to erase and write flash pages / blocks. Signed-off-by: Robert Jarzmik Reviewed-by: Ivan Djelic Reviewed-by: Mike Dunn Signed-off-by: David Woodhouse --- drivers/mtd/devices/docg3.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index 75df3a1060fb..e9967aba80a8 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 -- cgit v1.2.3