debug-macro.s

来自「linux 内核源代码」· S 代码 · 共 27 行

/*
 * include/asm-arm/arch-iop13xx/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.
 */

	.macro	addruart, rx
	mrc	p15, 0, \rx, c1, c0
	tst	\rx, #1			@ mmu enabled?
	moveq	\rx, #0xff000000	@ physical
	orreq	\rx, \rx, #0x00d80000
	movne	\rx, #0xfe000000	@ virtual
	orrne	\rx, \rx, #0x00e80000
	orr	\rx, \rx, #0x00002300
	orr	\rx, \rx, #0x00000040
	.endm

#define UART_SHIFT	2
#include <asm/hardware/debug-8250.S>