[PATCH] ARM: fix debug macros
[sfrench/cifs-2.6.git] / include / asm-arm / arch-rpc / debug-macro.S
1 /* linux/include/asm-arm/arch-rpc/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                 .macro  addruart,rx
15                 mrc     p15, 0, \rx, c1, c0
16                 tst     \rx, #1                 @ MMU enabled?
17                 moveq   \rx, #0x03000000
18                 movne   \rx, #0xe0000000
19                 orr     \rx, \rx, #0x00010000
20                 orr     \rx, \rx, #0x00000fe0
21                 .endm
22
23                 .macro  senduart,rd,rx
24                 strb    \rd, [\rx]
25                 .endm
26
27                 .macro  busyuart,rd,rx
28 1001:           ldrb    \rd, [\rx, #0x14]
29                 and     \rd, \rd, #0x60
30                 teq     \rd, #0x60
31                 bne     1001b
32                 .endm
33
34                 .macro  waituart,rd,rx
35 1001:           ldrb    \rd, [\rx, #0x18]
36                 tst     \rd, #0x10
37                 beq     1001b
38                 .endm