1/*
2 * Copyright (C) 1994-1999 Russell King
3 * Copyright (C) 2008-2009 Telechips
4 * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12		.macro	addruart, rp, rv
13		moveq	\rp, #0x90000000	@ physical base address
14		movne	\rv, #0xF1000000	@ virtual base
15		orr	\rp, \rp, #0x00007000	@ UART0
16		orr	\rv, \rv, #0x00007000	@ UART0
17		.endm
18
19		.macro	senduart,rd,rx
20		strb	\rd, [\rx, #0x44]
21		.endm
22
23		.macro	waituart,rd,rx
24		.endm
25
26		.macro	busyuart,rd,rx
271001:
28		ldr \rd, [\rx, #0x14]
29		tst \rd, #0x20
30
31		beq 1001b
32		.endm
33