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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
| commit | 9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch) | |
| tree | db432a17bccca1ca2c16907f0ee83ac449ed4012 /arch/arm/kernel/debug.S | |
| parent | 0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff) | |
| parent | 0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff) | |
| download | linux-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.bz2 | |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/include/asm/elf.h
drivers/i2c/busses/i2c-mpc.c
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 @@ 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 |