diff options
| author | Pratyush Yadav <p.yadav@ti.com> | 2020-10-05 18:31:34 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2020-11-09 09:26:17 +0300 |
| commit | 1131324aa53ad3465a36c4e58a56615e1bf52932 (patch) | |
| tree | 75b4e8063d707b0c8a0a732ad9ada81b9b926c5c /drivers/mtd/spi-nor/sfdp.h | |
| parent | a33c89db4c3ba8e5c3df7726491329cd35d4bb59 (diff) | |
| download | linux-1131324aa53ad3465a36c4e58a56615e1bf52932.tar.xz | |
mtd: spi-nor: sfdp: detect Soft Reset sequence support from BFPT
A Soft Reset sequence will return the flash to Power-on-Reset (POR)
state. It consists of two commands: Soft Reset Enable and Soft Reset.
Find out if the sequence is supported from BFPT DWORD 16.
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20201005153138.6437-12-p.yadav@ti.com
Diffstat (limited to 'drivers/mtd/spi-nor/sfdp.h')
| -rw-r--r-- | drivers/mtd/spi-nor/sfdp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/sfdp.h b/drivers/mtd/spi-nor/sfdp.h index 6d7243067252..89152ae1cf3e 100644 --- a/drivers/mtd/spi-nor/sfdp.h +++ b/drivers/mtd/spi-nor/sfdp.h @@ -90,6 +90,8 @@ struct sfdp_bfpt { #define BFPT_DWORD15_QER_SR2_BIT1_NO_RD (0x4UL << 20) #define BFPT_DWORD15_QER_SR2_BIT1 (0x5UL << 20) /* Spansion */ +#define BFPT_DWORD16_SWRST_EN_RST BIT(12) + #define BFPT_DWORD18_CMD_EXT_MASK GENMASK(30, 29) #define BFPT_DWORD18_CMD_EXT_REP (0x0UL << 29) /* Repeat */ #define BFPT_DWORD18_CMD_EXT_INV (0x1UL << 29) /* Invert */ |