1/* arch/arm/mach-footbridge/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 <asm/hardware/dec21285.h>
15
16#ifndef CONFIG_DEBUG_DC21285_PORT
17	/* For NetWinder debugging */
18		.macro	addruart, rp, rv, tmp
19		mov	\rp, #0x000003f8
20		orr	\rv, \rp, #0xff000000	@ virtual
21		orr	\rp, \rp, #0x7c000000	@ physical
22		.endm
23
24#define UART_SHIFT	0
25#define FLOW_CONTROL
26#include <asm/hardware/debug-8250.S>
27
28#else
29#include <mach/hardware.h>
30	/* For EBSA285 debugging */
31		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
32		.equ	dc21285_low,  ARMCSR_BASE & 0x00ffffff
33
34		.macro	addruart, rp, rv, tmp
35		.if	dc21285_low
36		mov	\rp, #dc21285_low
37		.else
38		mov	\rp, #0
39		.endif
40		orr	\rv, \rp, #dc21285_high
41		orr	\rp, \rp, #0x42000000
42		.endm
43
44		.macro	senduart,rd,rx
45		str	\rd, [\rx, #0x160]	@ UARTDR
46		.endm
47
48		.macro	busyuart,rd,rx
491001:		ldr	\rd, [\rx, #0x178]	@ UARTFLG
50		tst	\rd, #1 << 3
51		bne	1001b
52		.endm
53
54		.macro	waituart,rd,rx
55		.endm
56#endif
57