From e4f348ba6f070789e6505cc65cf6683421674637 Mon Sep 17 00:00:00 2001
From: Thomas Chou <thomas@wytron.com.tw>
Date: Wed, 30 Dec 2015 20:29:18 +0800
Subject: nios2: set up the debug UART early

Set up the debug UART early if enabled, so that it is ready to use.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Chin Liang See <clsee@altera.com>

diff --git a/arch/nios2/cpu/start.S b/arch/nios2/cpu/start.S
index 204d0cd..3e1b0c9 100644
--- a/arch/nios2/cpu/start.S
+++ b/arch/nios2/cpu/start.S
@@ -106,6 +106,13 @@ _reloc:
 	stw	r0, 4(sp)
 	mov	fp, sp
 
+#ifdef CONFIG_DEBUG_UART
+	/* Set up the debug UART */
+	movhi	r2, %hi(debug_uart_init@h)
+	ori	r2, r2, %lo(debug_uart_init@h)
+	callr	r2
+#endif
+
 	/* Allocate and initialize reserved area, update SP */
 	mov	r4, sp
 	movhi	r2, %hi(board_init_f_alloc_reserve@h)
-- 
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