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path: root/drivers/mtd/spi-nor/core.h
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Diffstat (limited to 'drivers/mtd/spi-nor/core.h')
-rw-r--r--drivers/mtd/spi-nor/core.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index 3ce826b35ad1..6f2f6b27173f 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -24,6 +24,8 @@ enum spi_nor_option_flags {
SNOR_F_HAS_16BIT_SR = BIT(9),
SNOR_F_NO_READ_CR = BIT(10),
SNOR_F_HAS_SR_TB_BIT6 = BIT(11),
+ SNOR_F_HAS_4BIT_BP = BIT(12),
+ SNOR_F_HAS_SR_BP3_BIT6 = BIT(13),
};
struct spi_nor_read_command {
@@ -301,6 +303,14 @@ struct flash_info {
* status register. Must be used with
* SPI_NOR_HAS_TB.
*/
+#define SPI_NOR_4BIT_BP BIT(17) /*
+ * Flash SR has 4 bit fields (BP0-3)
+ * for block protection.
+ */
+#define SPI_NOR_BP3_SR_BIT6 BIT(18) /*
+ * BP3 is bit 6 of status register.
+ * Must be used with SPI_NOR_4BIT_BP.
+ */
/* Part specific fixup hooks. */
const struct spi_nor_fixups *fixups;