|  | /* linux/include/asm-arm/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 |