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-rw-r--r--arch/arm/kernel/debug.S35
1 files changed, 34 insertions, 1 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index a5747e58a9dc..5617566477b4 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -21,6 +21,36 @@
21 21
22#if defined(CONFIG_DEBUG_ICEDCC) 22#if defined(CONFIG_DEBUG_ICEDCC)
23 @@ debug using ARM EmbeddedICE DCC channel 23 @@ debug using ARM EmbeddedICE DCC channel
24
25#if defined(CONFIG_CPU_V6)
26
27 .macro addruart, rx
28 .endm
29
30 .macro senduart, rd, rx
31 mcr p14, 0, \rd, c0, c5, 0
32 .endm
33
34 .macro busyuart, rd, rx
351001:
36 mrc p14, 0, \rx, c0, c1, 0
37 tst \rx, #0x20000000
38 beq 1001b
39 .endm
40
41 .macro waituart, rd, rx
42 mov \rd, #0x2000000
431001:
44 subs \rd, \rd, #1
45 bmi 1002f
46 mrc p14, 0, \rx, c0, c1, 0
47 tst \rx, #0x20000000
48 bne 1001b
491002:
50 .endm
51
52#else
53
24 .macro addruart, rx 54 .macro addruart, rx
25 .endm 55 .endm
26 56
@@ -46,9 +76,12 @@
46 bne 1001b 76 bne 1001b
471002: 771002:
48 .endm 78 .endm
79
80#endif /* CONFIG_CPU_V6 */
81
49#else 82#else
50#include <asm/arch/debug-macro.S> 83#include <asm/arch/debug-macro.S>
51#endif 84#endif /* CONFIG_DEBUG_ICEDCC */
52 85
53/* 86/*
54 * Useful debugging routines 87 * Useful debugging routines