ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-at91rm9200/debug-macro.S @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 /*
2 * include/asm-arm/arch-at91rm9200/debug-macro.S
3 *
4 * Copyright (C) 2003-2005 SAN People
5 *
6 * Debugging macro include header
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 */
14 #include <asm/hardware.h>
16 .macro addruart,rx
17 mrc p15, 0, \rx, c1, c0
18 tst \rx, #1 @ MMU enabled?
19 ldreq \rx, =AT91_BASE_SYS @ System peripherals (phys address)
20 ldrne \rx, =AT91_VA_BASE_SYS @ System peripherals (virt address)
21 .endm
23 .macro senduart,rd,rx
24 strb \rd, [\rx, #AT91_DBGU_THR] @ Write to Transmitter Holding Register
25 .endm
27 .macro waituart,rd,rx
28 1001: ldr \rd, [\rx, #AT91_DBGU_SR] @ Read Status Register
29 tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit
30 beq 1001b
31 .endm
33 .macro busyuart,rd,rx
34 1001: ldr \rd, [\rx, #AT91_DBGU_SR] @ Read Status Register
35 tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete
36 beq 1001b
37 .endm