xref: /openbmc/linux/arch/arm/include/debug/asm9260.S (revision 1c2dd16a)
1/* Debugging macro include header
2 *
3 *  Copyright (C) 1994-1999 Russell King
4 *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
5 *  Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 */
12
13		.macro	addruart, rp, rv, tmp
14		ldr	\rp, = CONFIG_DEBUG_UART_PHYS
15		ldr	\rv, = CONFIG_DEBUG_UART_VIRT
16		.endm
17
18		.macro	waituart,rd,rx
19		.endm
20
21		.macro	senduart,rd,rx
22		str	\rd, [\rx, #0x50]	@ TXDATA
23		.endm
24
25		.macro	busyuart,rd,rx
261002:		ldr	\rd, [\rx, #0x60]	@ STAT
27		tst	\rd, #1 << 27		@ TXEMPTY
28		beq	1002b			@ wait until transmit done
29		.endm
30