[net-next-2.6.git] / include / asm-arm / arch-mxc / debug-macro.S

/* linux/include/asm-arm/arch-imx/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/arch/hardware.h>

#ifdef CONFIG_MACH_MX31ADS
#include <asm/arch/board-mx31ads.h>
#endif

		.macro	addruart,rx
		mrc	p15, 0, \rx, c1, c0
		tst	\rx, #1			@ MMU enabled?
		ldreq	\rx, =MXC_LL_UART_PADDR	@ physical
		ldrne	\rx, =MXC_LL_UART_VADDR	@ virtual
		.endm

		.macro	senduart,rd,rx
		str	\rd, [\rx, #0x40]	@ TXDATA
		.endm

		.macro	waituart,rd,rx
		.endm

		.macro	busyuart,rd,rx
1002:		ldr	\rd, [\rx, #0x98]	@ SR2
		tst	\rd, #1 << 3		@ TXDC
		beq	1002b			@ wait until transmit done
		.endm
Commit	Line	Data
4bc25650 SH	1	/* linux/include/asm-arm/arch-imx/debug-macro.S
	2	*
	3	* Debugging macro include header
	4	*
	5	* Copyright (C) 1994-1999 Russell King
	6	* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	*/
	13
	14	#include <asm/arch/hardware.h>
	15
	16	#ifdef CONFIG_MACH_MX31ADS
	17	#include <asm/arch/board-mx31ads.h>
	18	#endif
	19
	20	.macro addruart,rx
	21	mrc p15, 0, \rx, c1, c0
	22	tst \rx, #1 @ MMU enabled?
	23	ldreq \rx, =MXC_LL_UART_PADDR @ physical
	24	ldrne \rx, =MXC_LL_UART_VADDR @ virtual
	25	.endm
	26
	27	.macro senduart,rd,rx
	28	str \rd, [\rx, #0x40] @ TXDATA
	29	.endm
	30
	31	.macro waituart,rd,rx
	32	.endm
	33
	34	.macro busyuart,rd,rx
	35	1002: ldr \rd, [\rx, #0x98] @ SR2
	36	tst \rd, #1 << 3 @ TXDC
	37	beq 1002b @ wait until transmit done
	38	.endm