1/* linux/include/asm-arm/arch-netx/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 "hardware.h"
15
16		.macro	addruart,rx
17		mrc	p15, 0, \rx, c1, c0
18		tst	\rx, #1			@ MMU enabled?
19		moveq	\rx, #0x00100000		@ physical
20		movne	\rx, #io_p2v(0x00100000)	@ virtual
21		orr	\rx, \rx, #0x00000a00
22		.endm
23
24		.macro	senduart,rd,rx
25		str	\rd, [\rx, #0]
26		.endm
27
28		.macro	busyuart,rd,rx
291002:		ldr	\rd, [\rx, #0x18]
30		tst	\rd, #(1 << 3)
31		bne	1002b
32		.endm
33
34		.macro	waituart,rd,rx
351001:		ldr	\rd, [\rx, #0x18]
36		tst	\rd, #(1 << 3)
37		bne	1001b
38		.endm
39