Merge branch 'block-dir' of git://brick.kernel.dk/data/git/linux-2.6-block
[linux-2.6] / include / asm-arm / arch-iop3xx / debug-macro.S
1 /* linux/include/asm-arm/arch-iop3xx/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                 mov     \rx, #0xfe000000        @ physical
16 #if defined(CONFIG_ARCH_IQ80321) || defined(CONFIG_ARCH_IQ31244)
17                 orr     \rx, \rx, #0x00800000   @ location of the UART
18 #elif defined(CONFIG_ARCH_IOP331)
19                 mrc     p15, 0, \rx, c1, c0
20                 tst     \rx, #1                 @ MMU enabled?
21                 moveq   \rx, #0x000fe000        @ Physical Base
22                 movne   \rx, #0
23                 orr     \rx, \rx, #0xfe000000
24                 orr     \rx, \rx, #0x00f00000   @ Virtual Base
25                 orr     \rx, \rx, #0x00001700   @ location of the UART
26 #else
27 #error Unknown IOP3XX implementation
28 #endif
29                 .endm
30
31                 .macro  senduart,rd,rx
32                 strb    \rd, [\rx]
33                 .endm
34
35                 .macro  busyuart,rd,rx
36 1002:           ldrb    \rd, [\rx, #0x5]
37                 and     \rd, \rd, #0x60
38                 teq     \rd, #0x60
39                 bne     1002b
40                 .endm
41
42                 .macro  waituart,rd,rx
43 #if !defined(CONFIG_ARCH_IQ80321) || !defined(CONFIG_ARCH_IQ31244) || !defined(CONFIG_ARCH_IQ80331)
44 1001:           ldrb    \rd, [\rx, #0x6]
45                 tst     \rd, #0x10
46                 beq     1001b
47 #endif
48                 .endm