diff options
Diffstat (limited to 'arch/arm/kernel/debug.S')
| -rw-r--r-- | arch/arm/kernel/debug.S | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index b121b6053cce..a38b4879441d 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -24,7 +24,7 @@ #if defined(CONFIG_CPU_V6) - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -49,9 +49,29 @@ 1002: .endm +#elif defined(CONFIG_CPU_V7) + + .macro addruart, rx, tmp + .endm + + .macro senduart, rd, rx + mcr p14, 0, \rd, c0, c5, 0 + .endm + + .macro busyuart, rd, rx +busy: mrc p14, 0, pc, c0, c1, 0 + bcs busy + .endm + + .macro waituart, rd, rx +wait: mrc p14, 0, pc, c0, c1, 0 + bcs wait + + .endm + #elif defined(CONFIG_CPU_XSCALE) - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -78,7 +98,7 @@ #else - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -144,7 +164,7 @@ ENDPROC(printhex2) .ltorg ENTRY(printascii) - addruart r3 + addruart r3, r1 b 2f 1: waituart r2, r3 senduart r1, r3 @@ -160,7 +180,7 @@ ENTRY(printascii) ENDPROC(printascii) ENTRY(printch) - addruart r3 + addruart r3, r1 mov r1, r0 mov r0, #0 b 1b |