diff --git a/arch/riscv/cpu/cpu.c b/arch/riscv/cpu/cpu.c
index 1cebb03..5804aa8 100644
--- a/arch/riscv/cpu/cpu.c
+++ b/arch/riscv/cpu/cpu.c
@@ -10,6 +10,7 @@
 #include <log.h>
 #include <asm/encoding.h>
 #include <dm/uclass-internal.h>
+#include <linux/bitops.h>
 
 /*
  * The variables here must be stored in the data section since they are used
diff --git a/arch/riscv/include/asm/encoding.h b/arch/riscv/include/asm/encoding.h
index a0695da..edafad3 100644
--- a/arch/riscv/include/asm/encoding.h
+++ b/arch/riscv/include/asm/encoding.h
@@ -8,6 +8,9 @@
 #define RISCV_CSR_ENCODING_H
 
 #include <asm/csr.h>
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
 
 #if CONFIG_IS_ENABLED(RISCV_SMODE)
 #define MODE_PREFIX(__suffix)	s##__suffix