diff --git a/src/system/kernel/arch/ppc/arch_debug_console.c b/src/system/kernel/arch/ppc/arch_debug_console.c
index 88a6c093c6..0001cc2ca6 100644
--- a/src/system/kernel/arch/ppc/arch_debug_console.c
+++ b/src/system/kernel/arch/ppc/arch_debug_console.c
@@ -30,7 +30,10 @@ arch_debug_blue_screen_getchar(void)
 char
 arch_debug_serial_getchar(void)
 {
-	return 0;
+	int key;
+	if (of_interpret("key", 0, 1, &key) == OF_FAILED)
+		return 0;
+	return (char)key;
 }