diff --git a/arch/riscv/cpu/cpu.c b/arch/riscv/cpu/cpu.c
index 85592f5..296e458 100644
--- a/arch/riscv/cpu/cpu.c
+++ b/arch/riscv/cpu/cpu.c
@@ -140,3 +140,14 @@
 {
 	return riscv_cpu_probe();
 }
+
+/**
+ * harts_early_init() - A callback function called by start.S to configure
+ * feature settings of each hart.
+ *
+ * In a multi-core system, memory access shall be careful here, it shall
+ * take care of race conditions.
+ */
+__weak void harts_early_init(void)
+{
+}
diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S
index 8589509..308b0a9 100644
--- a/arch/riscv/cpu/start.S
+++ b/arch/riscv/cpu/start.S
@@ -117,6 +117,10 @@
 	mv	sp, a0
 #endif
 
+	/* Configure proprietary settings and customized CSRs of harts */
+call_harts_early_init:
+	jal	harts_early_init
+
 #ifndef CONFIG_XIP
 	/*
 	 * Pick hart to initialize global data and run U-Boot. The other harts