From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Date: Thu, 3 May 2018 12:01:58 +0000 (+0300)
Subject: ARC: init debug uart in early common arc code
X-Git-Tag: v2018.07-rc1~93^2~4
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=429fa25e171a35a74e7676acb45f3f706a038722;p=oweals%2Fu-boot.git

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 3fb05606c7..e573ce7718 100644
--- a/arch/arc/lib/start.S
+++ b/arch/arc/lib/start.S
@@ -75,6 +75,11 @@ ENTRY(_start)
 	/* 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