From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 .../arm/mach-footbridge/include/mach/debug-macro.S | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 arch/arm/mach-footbridge/include/mach/debug-macro.S

(limited to 'arch/arm/mach-footbridge/include/mach/debug-macro.S')

diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
new file mode 100644
index 00000000..1be2eeb7
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -0,0 +1,56 @@
+/* arch/arm/mach-footbridge/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ *
+*/
+
+#include <asm/hardware/dec21285.h>
+
+#ifndef CONFIG_DEBUG_DC21285_PORT
+	/* For NetWinder debugging */
+		.macro	addruart, rp, rv
+		mov	\rp, #0x000003f8
+		orr	\rv, \rp, #0xff000000	@ virtual
+		orr	\rp, \rp, #0x7c000000	@ physical
+		.endm
+
+#define UART_SHIFT	0
+#define FLOW_CONTROL
+#include <asm/hardware/debug-8250.S>
+
+#else
+#include <mach/hardware.h>
+	/* For EBSA285 debugging */
+		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
+		.equ	dc21285_low,  ARMCSR_BASE & 0x00ffffff
+
+		.macro	addruart, rp, rv
+		.if	dc21285_low
+		mov	\rp, #dc21285_low
+		.else
+		mov	\rp, #0
+		.endif
+		orr	\rv, \rp, #dc21285_high
+		orr	\rp, \rp, #0x42000000
+		.endm
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #0x160]	@ UARTDR
+		.endm
+
+		.macro	busyuart,rd,rx
+1001:		ldr	\rd, [\rx, #0x178]	@ UARTFLG
+		tst	\rd, #1 << 3
+		bne	1001b
+		.endm
+
+		.macro	waituart,rd,rx
+		.endm
+#endif
-- 
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