Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6] / include / asm-arm / arch-ixp2000 / debug-macro.S
1 /* linux/include/asm-arm/arch-ixp2000/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, #0xc0000000        @ Physical base
18                 movne   \rx, #0xfe000000        @ virtual base
19                 orrne   \rx, \rx, #0x00f00000
20                 orr     \rx, \rx, #0x00030000
21 #ifdef  __ARMEB__
22                 orr     \rx, \rx, #0x00000003
23 #endif
24                 .endm
25
26                 .macro  senduart,rd,rx
27                 strb    \rd, [\rx]
28                 .endm
29
30                 .macro  busyuart,rd,rx
31 1002:           ldrb    \rd, [\rx, #0x14]
32                 tst     \rd, #0x20
33                 beq     1002b
34                 .endm
35
36                 .macro  waituart,rd,rx
37                 nop
38                 nop
39                 nop
40                 .endm