From cb84fa18a40fb142d725bf5c7594a0a16cd96289 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Thu, 8 Nov 2012 12:40:49 +0100
Subject: ARM: sunxi: Add earlyprintk support

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>
---
 arch/arm/include/debug/sunxi.S | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 arch/arm/include/debug/sunxi.S

(limited to 'arch/arm/include')

diff --git a/arch/arm/include/debug/sunxi.S b/arch/arm/include/debug/sunxi.S
new file mode 100644
index 000000000000..3bf61ca0df75
--- /dev/null
+++ b/arch/arm/include/debug/sunxi.S
@@ -0,0 +1,24 @@
+/*
+ * Early serial output macro for Allwinner A1X SoCs
+ *
+ * Copyright (C) 2012 Maxime Ripard
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifdef CONFIG_DEBUG_SUNXI_UART1
+#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400
+#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400
+#endif
+
+	.macro	addruart, rp, rv, tmp
+	ldr	\rp, =SUNXI_UART_DEBUG_PHYS_BASE
+	ldr	\rv, =SUNXI_UART_DEBUG_VIRT_BASE
+	.endm
+
+#define UART_SHIFT	2
+#include <asm/hardware/debug-8250.S>
-- 
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