diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/debug-macro.S')
-rw-r--r-- | include/asm-arm/arch-pxa/debug-macro.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/debug-macro.S b/include/asm-arm/arch-pxa/debug-macro.S new file mode 100644 index 000000000000..f288e74b67c2 --- /dev/null +++ b/include/asm-arm/arch-pxa/debug-macro.S | |||
@@ -0,0 +1,36 @@ | |||
1 | /* linux/include/asm-arm/arch-pxa/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, #0x40000000 @ physical | ||
18 | movne \rx, #io_p2v(0x40000000) @ virtual | ||
19 | orr \rx, \rx, #0x00100000 | ||
20 | .endm | ||
21 | |||
22 | .macro senduart,rd,rx | ||
23 | str \rd, [\rx, #0] | ||
24 | .endm | ||
25 | |||
26 | .macro busyuart,rd,rx | ||
27 | 1002: ldr \rd, [\rx, #0x14] | ||
28 | tst \rd, #(1 << 6) | ||
29 | beq 1002b | ||
30 | .endm | ||
31 | |||
32 | .macro waituart,rd,rx | ||
33 | 1001: ldr \rd, [\rx, #0x14] | ||
34 | tst \rd, #(1 << 5) | ||
35 | beq 1001b | ||
36 | .endm | ||