diff --git a/src/arch/riscv/interface/sbi/sbi_console.c b/src/arch/riscv/interface/sbi/sbi_console.c
index c993ebc0a..afbe4286e 100644
--- a/src/arch/riscv/interface/sbi/sbi_console.c
+++ b/src/arch/riscv/interface/sbi/sbi_console.c
@@ -41,6 +41,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #define CONSOLE_SBI ( CONSOLE_USAGE_ALL & ~CONSOLE_USAGE_LOG )
 #endif
 
+extern void early_uart_putchar ( int character );
+
 /** Buffered input character (if any) */
 static unsigned char sbi_console_input;
 
@@ -52,6 +54,9 @@ static unsigned char sbi_console_input;
 static void sbi_putchar ( int character ) {
 	struct sbi_return ret;
 
+	/* Write byte to early UART, if enabled */
+	early_uart_putchar ( character );
+
 	/* Write byte to console */
 	ret = sbi_ecall_1 ( SBI_DBCN, SBI_DBCN_WRITE_BYTE, character );
 	if ( ! ret.error )
diff --git a/src/arch/riscv/prefix/libprefix.S b/src/arch/riscv/prefix/libprefix.S
index 41e63b3f1..cf62338b5 100644
--- a/src/arch/riscv/prefix/libprefix.S
+++ b/src/arch/riscv/prefix/libprefix.S
@@ -243,6 +243,32 @@ early_uart_sifive_wait_\@:
 	bltz	a1, early_uart_sifive_wait_\@
 	.endm
 
+/*****************************************************************************
+ *
+ * Print single character to early UART (from C code)
+ *
+ *****************************************************************************
+ *
+ * This function is called by the SBI console driver to output a
+ * character to the early UART (if enabled).
+ *
+ * The standard C ABI applies to this function.
+ *
+ * Parameters:
+ *
+ *   a0 - Character to print
+ *
+ * Returns: none
+ *
+ */
+
+	.section ".prefix.early_uart_putchar", "ax", @progbits
+	.globl	early_uart_putchar
+early_uart_putchar:
+	print_char_uart
+	ret
+	.size	early_uart_putchar, . - early_uart_putchar
+
 /*****************************************************************************
  *
  * Print message to debug console