Merge git://oss.sgi.com:8090/xfs-2.6
[linux-2.6] / include / asm-arm / arch-netx / debug-macro.S
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
29 1002:           ldr     \rd, [\rx, #0x18]
30                 tst     \rd, #(1 << 3)
31                 bne     1002b
32                 .endm
33
34                 .macro  waituart,rd,rx
35 1001:           ldr     \rd, [\rx, #0x18]
36                 tst     \rd, #(1 << 3)
37                 bne     1001b
38                 .endm