diff options
| author | Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2018-04-10 14:40:44 +0300 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2018-04-19 16:54:01 +0530 |
| commit | 3d4fed87a5fa3ffedf64ff2811cd95c5ac4503ac (patch) | |
| tree | 7d07900a93ee8534adc5e4603fb9b4e05818a512 /drivers/mtd/spi/sf_internal.h | |
| parent | 40df6b3e1882c55dd34b9177a42e21a591d668ee (diff) | |
mtd: sf: Add support of sst26wf* flash ICs protection ops
sst26wf flash series block protection implementation differs
from other SST series, so add specific implementation
flash_lock/flash_unlock/flash_is_locked functions for sst26wf
flash ICs.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/mtd/spi/sf_internal.h')
| -rw-r--r-- | drivers/mtd/spi/sf_internal.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index 839cdbe1b0..614a293234 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -87,6 +87,19 @@ enum spi_nor_option_flags { /* SST specific */ #ifdef CONFIG_SPI_FLASH_SST +#define SST26_CMD_READ_BPR 0x72 +#define SST26_CMD_WRITE_BPR 0x42 + +#define SST26_BPR_8K_NUM 4 +#define SST26_MAX_BPR_REG_LEN (18 + 1) +#define SST26_BOUND_REG_SIZE ((32 + SST26_BPR_8K_NUM * 8) * SZ_1K) + +enum lock_ctl { + SST26_CTL_LOCK, + SST26_CTL_UNLOCK, + SST26_CTL_CHECK +}; + # define CMD_SST_BP 0x02 /* Byte Program */ # define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */ |