1/* arch/arm/include/asm/hardware/debug-pl01x.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#include <linux/amba/serial.h>
14
15		.macro	senduart,rd,rx
16		strb	\rd, [\rx, #UART01x_DR]
17		.endm
18
19		.macro	waituart,rd,rx
201001:		ldr	\rd, [\rx, #UART01x_FR]
21		tst	\rd, #UART01x_FR_TXFF
22		bne	1001b
23		.endm
24
25		.macro	busyuart,rd,rx
261001:		ldr	\rd, [\rx, #UART01x_FR]
27		tst	\rd, #UART01x_FR_BUSY
28		bne	1001b
29		.endm