ARC: init debug uart in early common arc code
The debug UART is intended for use very early in U-Boot to debug
problems before serial drivers are up.
Call debug_uart_init right before board_init_f.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/arch/arc/lib/start.S b/arch/arc/lib/start.S
index 3fb0560..e573ce7 100644
--- a/arch/arc/lib/start.S
+++ b/arch/arc/lib/start.S
@@ -75,6 +75,11 @@
/* Initialize reserved area - note: r0 already contains address */
bl board_init_f_init_reserve
+#ifdef CONFIG_DEBUG_UART
+ /* Earliest point to set up early debug uart */
+ bl debug_uart_init
+#endif
+
/* Zero the one and only argument of "board_init_f" */
mov_s %r0, 0
bl board_init_f