diff options
Diffstat (limited to 'arch/arm/kernel')
| -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 @@ 1002: .endm +#elif defined(CONFIG_CPU_XSCALE) + + .macro addruart, rx + .endm + + .macro senduart, rd, rx + mcr p14, 0, \rd, c8, c0, 0 + .endm + + .macro busyuart, rd, rx +1001: + mrc p14, 0, \rx, c14, c0, 0 + tst \rx, #0x10000000 + beq 1001b + .endm + + .macro waituart, rd, rx + mov \rd, #0x10000000 +1001: + subs \rd, \rd, #1 + bmi 1002f + mrc p14, 0, \rx, c14, c0, 0 + tst \rx, #0x10000000 + bne 1001b +1002: + .endm + #else .macro addruart, rx |