/********************************************************************* * * Copyright (C) 1999-2010, Karlsruhe University * Copyright (C) 2008-2009, Volkmar Uhlig, IBM Corporation * * File path: arch/powerpc/io.h * Description: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id$ * ********************************************************************/ #ifndef __ARCH__POWERPC__IO_H__ #define __ARCH__POWERPC__IO_H__ INLINE void out_8(addr_t addr, u8_t val) { sync(); *(volatile u8_t*)addr = val; eieio(); } INLINE void out_be16(addr_t addr, u16_t val) { sync(); *(volatile u16_t*)addr = val; eieio(); } INLINE void out_be32(addr_t addr, u32_t val) { sync(); *(volatile u32_t*)addr = val; eieio(); } INLINE u32_t in_8(addr_t addr) { u32_t val; sync(); val = *(volatile u8_t*)addr; isync(); return val; } INLINE u32_t in_be16(addr_t addr) { u32_t val; sync(); val = *(volatile u16_t*)addr; isync(); return val; } INLINE u32_t in_be32(addr_t addr) { u32_t val; sync(); val = *(volatile u32_t*)addr; isync(); return val; } #endif /* !__ARCH__POWERPC__IO_H__ */