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1/* arch/arm/mach-imx/include/mach/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 *  Copyright (C) 1994-1999 Russell King
6 *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <mach/hardware.h>
15
16#ifdef CONFIG_MACH_MX31ADS
17#include <mach/board-mx31ads.h>
18#endif
19#ifdef CONFIG_MACH_PCM037
20#include <mach/board-pcm037.h>
21#endif
22#ifdef CONFIG_MACH_MX31LITE
23#include <mach/board-mx31lite.h>
24#endif
25#ifdef CONFIG_MACH_MX27ADS
26#include <mach/board-mx27ads.h>
27#endif
28#ifdef CONFIG_MACH_PCM038
29#include <mach/board-pcm038.h>
30#endif
31#ifdef CONFIG_MACH_MX31_3DS
32#include <mach/board-mx31pdk.h>
33#endif
34		.macro	addruart,rx
35		mrc	p15, 0, \rx, c1, c0
36		tst	\rx, #1			@ MMU enabled?
37		ldreq	\rx, =MXC_LL_UART_PADDR	@ physical
38		ldrne	\rx, =MXC_LL_UART_VADDR	@ virtual
39		.endm
40
41		.macro	senduart,rd,rx
42		str	\rd, [\rx, #0x40]	@ TXDATA
43		.endm
44
45		.macro	waituart,rd,rx
46		.endm
47
48		.macro	busyuart,rd,rx
491002:		ldr	\rd, [\rx, #0x98]	@ SR2
50		tst	\rd, #1 << 3		@ TXDC
51		beq	1002b			@ wait until transmit done
52		.endm
53