diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
index f20df76..e74cc0d 100644
--- a/include/sbi/riscv_encoding.h
+++ b/include/sbi/riscv_encoding.h
@@ -686,6 +686,7 @@
 #define CSR_TDATA1			0x7a1
 #define CSR_TDATA2			0x7a2
 #define CSR_TDATA3			0x7a3
+#define CSR_TINFO			0x7a4
 
 /* Debug Mode Registers */
 #define CSR_DCSR			0x7b0