diff options
Diffstat (limited to 'arch/arm/kernel/debug.S')
-rw-r--r-- | arch/arm/kernel/debug.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index f53c58290543..b121b6053cce 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S | |||
@@ -49,6 +49,33 @@ | |||
49 | 1002: | 49 | 1002: |
50 | .endm | 50 | .endm |
51 | 51 | ||
52 | #elif defined(CONFIG_CPU_XSCALE) | ||
53 | |||
54 | .macro addruart, rx | ||
55 | .endm | ||
56 | |||
57 | .macro senduart, rd, rx | ||
58 | mcr p14, 0, \rd, c8, c0, 0 | ||
59 | .endm | ||
60 | |||
61 | .macro busyuart, rd, rx | ||
62 | 1001: | ||
63 | mrc p14, 0, \rx, c14, c0, 0 | ||
64 | tst \rx, #0x10000000 | ||
65 | beq 1001b | ||
66 | .endm | ||
67 | |||
68 | .macro waituart, rd, rx | ||
69 | mov \rd, #0x10000000 | ||
70 | 1001: | ||
71 | subs \rd, \rd, #1 | ||
72 | bmi 1002f | ||
73 | mrc p14, 0, \rx, c14, c0, 0 | ||
74 | tst \rx, #0x10000000 | ||
75 | bne 1001b | ||
76 | 1002: | ||
77 | .endm | ||
78 | |||
52 | #else | 79 | #else |
53 | 80 | ||
54 | .macro addruart, rx | 81 | .macro addruart, rx |