|  | /* linux/include/asm-arm/arch-integrator/debug-macro.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 <asm/hardware/amba_serial.h> | 
|  |  | 
|  | .macro	addruart,rx | 
|  | mrc	p15, 0, \rx, c1, c0 | 
|  | tst	\rx, #1			@ MMU enabled? | 
|  | moveq	\rx, #0x16000000	@ physical base address | 
|  | movne	\rx, #0xf0000000	@ virtual base | 
|  | addne	\rx, \rx, #0x16000000 >> 4 | 
|  | .endm | 
|  |  | 
|  | .macro	senduart,rd,rx | 
|  | strb	\rd, [\rx, #UART01x_DR] | 
|  | .endm | 
|  |  | 
|  | .macro	waituart,rd,rx | 
|  | 1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG | 
|  | tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full | 
|  | bne	1001b | 
|  | .endm | 
|  |  | 
|  | .macro	busyuart,rd,rx | 
|  | 1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG | 
|  | tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy | 
|  | bne	1001b | 
|  | .endm |