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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2015-11-05 12:43:41 -0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-11-05 16:47:05 -0500 |
| commit | 41b358d7a7c9f29eca4a439fba0ae679100a9ad5 (patch) | |
| tree | 0a0b551ae6184c239233ca92a8368ab4ff3cfab7 /drivers/mtd/spi/sf_internal.h | |
| parent | 2d2f490dd594a9a3fcf3649f572e910771007962 (diff) | |
| download | talos-obmc-uboot-41b358d7a7c9f29eca4a439fba0ae679100a9ad5.tar.gz talos-obmc-uboot-41b358d7a7c9f29eca4a439fba0ae679100a9ad5.zip | |
sf: Add SPI protection mechanism from the kernel
Add the SPI NOR protection mechanism from the kernel.
This code is based on the work from
Brian Norris <computersforpeace@gmail.com>
Here is the commit details:
"mtd: spi-nor: refactor block protection functions"
(sha1: 62593cf40b23b523b9fc9334ca61ba6c595ebb09)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'drivers/mtd/spi/sf_internal.h')
| -rw-r--r-- | drivers/mtd/spi/sf_internal.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index 8a3e5ec3d7..ac493f1f76 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -105,6 +105,9 @@ enum spi_nor_option_flags { #define STATUS_QEB_WINSPAN (1 << 1) #define STATUS_QEB_MXIC (1 << 6) #define STATUS_PEC (1 << 7) +#define SR_BP0 BIT(2) /* Block protect 0 */ +#define SR_BP1 BIT(3) /* Block protect 1 */ +#define SR_BP2 BIT(4) /* Block protect 2 */ /* Flash timeout values */ #define SPI_FLASH_PROG_TIMEOUT (2 * CONFIG_SYS_HZ) |
