trizeps2.h

来自「优龙2410linux2.6.8内核源代码」· C头文件 代码 · 共 37 行

/*
 * linux/include/asm-arm/arch-pxa/trizeps2.h
 *
 * (c) 2004 Robert Schwebel <[e-mail]>, Pengutronix
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _INCLUDE_ASMARM_ARCHPXA_TRIZEPS2_H_
#define _INCLUDE_ASMARM_ARCHPXA_TRIZEPS2_H_

/*
 * virtual to physical conversion macros
 */
#define TRIZEPS2_P2V(x)		((x) - TRIZEPS2_FPGA_PHYS + TRIZEPS2_FPGA_VIRT)
#define TRIZEPS2_V2P(x)		((x) - TRIZEPS2_FPGA_VIRT + TRIZEPS2_FPGA_PHYS)

#ifndef __ASSEMBLY__
#  define __TRIZEPS2_REG(x)	(*((volatile unsigned long *)TRIZEPS2_P2V(x)))
#else
#  define __TRIZEPS2_REG(x)	TRIZEPS2_P2V(x)
#endif

#endif