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-rw-r--r--include/spi.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h
index 9b38cab6..c77866c4 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -167,6 +167,16 @@
#define JEDEC_WRSR3_OUTSIZE 0x02
#define JEDEC_WRSR3_INSIZE 0x00
+/* Read Security Register */
+#define JEDEC_RDSCUR 0x2b
+#define JEDEC_RDSCUR_OUTSIZE 0x01
+#define JEDEC_RDSCUR_INSIZE 0x01
+
+/* Write Security Register */
+#define JEDEC_WRSCUR 0x2f
+#define JEDEC_WRSCUR_OUTSIZE 0x01
+#define JEDEC_WRSCUR_INSIZE 0x00
+
/* Enter 4-byte Address Mode */
#define JEDEC_ENTER_4_BYTE_ADDR_MODE 0xB7