/* * (C) Copyright 2007 Michal Simek * * Michal SIMEK <moonstr@monstr.eu> * * See file CREDITS for list of people who contributed to this * project. * * 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 */ #include <common.h> #include <asm/asm.h> #if (CONFIG_COMMANDS & CFG_CMD_CACHE) int dcache_status (void) { int i = 0; int mask = 0x80; __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory"); /* i&=0x80 */ __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory"); return i; } int icache_status (void) { int i = 0; int mask = 0x20; __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory"); /* i&=0x20 */ __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory"); return i; } void icache_enable (void) { MSRSET(0x20); } void icache_disable(void) { MSRCLR(0x20); } void dcache_enable (void) { MSRSET(0x80); } void dcache_disable(void) { MSRCLR(0x80); } #endif