/* linux/include/asm-arm/arch-ebsa285/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/dec21285.h>#ifndef CONFIG_DEBUG_DC21285_PORT	/* For NetWinder debugging */		.macro	addruart,rx		mrc	p15, 0, \rx, c1, c0		tst	\rx, #1			@ MMU enabled?		moveq	\rx, #0x7c000000	@ physical		movne	\rx, #0xff000000	@ virtual		orr	\rx, \rx, #0x000003f8		.endm		.macro	senduart,rd,rx		strb	\rd, [\rx]		.endm		.macro	busyuart,rd,rx1002:		ldrb	\rd, [\rx, #0x5]		and	\rd, \rd, #0x60		teq	\rd, #0x60		bne	1002b		.endm		.macro	waituart,rd,rx1001:		ldrb	\rd, [\rx, #0x6]		tst	\rd, #0x10		beq	1001b		.endm#else	/* For EBSA285 debugging */		.equ	dc21285_high, ARMCSR_BASE & 0xff000000		.equ	dc21285_low,  ARMCSR_BASE & 0x00ffffff		.macro	addruart,rx		mrc	p15, 0, \rx, c1, c0		tst	\rx, #1			@ MMU enabled?		moveq	\rx, #0x42000000		movne	\rx, #dc21285_high		.if	dc21285_low		orrne	\rx, \rx, #dc21285_low		.endif		.endm		.macro	senduart,rd,rx		str	\rd, [\rx, #0x160]	@ UARTDR		.endm		.macro	busyuart,rd,rx1001:		ldr	\rd, [\rx, #0x178]	@ UARTFLG		tst	\rd, #1 << 3		bne	1001b		.endm		.macro	waituart,rd,rx		.endm#endif