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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S | |
| download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip | |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S b/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S new file mode 100644 index 00000000..f9fd083e --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S @@ -0,0 +1,29 @@ +/* arch/arm/include/asm/hardware/debug-pl01x.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ +#include <linux/amba/serial.h> + + .macro senduart,rd,rx + strb \rd, [\rx, #UART01x_DR] + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #UART01x_FR] + tst \rd, #UART01x_FR_TXFF + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #UART01x_FR] + tst \rd, #UART01x_FR_BUSY + bne 1001b + .endm |