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Diffstat (limited to 'include/asm-arm/arch-iop3xx/debug-macro.S')
-rw-r--r-- | include/asm-arm/arch-iop3xx/debug-macro.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop3xx/debug-macro.S b/include/asm-arm/arch-iop3xx/debug-macro.S new file mode 100644 index 000000000000..cc15f80ebd9a --- /dev/null +++ b/include/asm-arm/arch-iop3xx/debug-macro.S | |||
@@ -0,0 +1,48 @@ | |||
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 | ||