diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 6f2cad4..c4707fe 100644
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -46,6 +46,9 @@
 	{ SBI_EXT_HSM,			      "Hart State Management Extension" },
 	{ SBI_EXT_SRST,			      "System Reset Extension" },
 	{ SBI_EXT_PMU,			      "Performance Monitoring Unit Extension" },
+	{ SBI_EXT_DBCN,			      "Debug Console Extension" },
+	{ SBI_EXT_SUSP,			      "System Suspend Extension" },
+	{ SBI_EXT_CPPC,			      "Collaborative Processor Performance Control Extension" },
 };
 
 static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,