From 6260fb0458d94c83aa5b180745b1946c0c94d364 Mon Sep 17 00:00:00 2001 From: Peter Tyser Date: Mon, 12 Apr 2010 22:28:16 -0500 Subject: microblaze: Move cpu/microblaze/* to arch/microblaze/cpu/* Signed-off-by: Peter Tyser --- arch/microblaze/cpu/cache.c | 62 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 arch/microblaze/cpu/cache.c (limited to 'arch/microblaze/cpu/cache.c') diff --git a/arch/microblaze/cpu/cache.c b/arch/microblaze/cpu/cache.c new file mode 100644 index 0000000000..3b7c4d4f7f --- /dev/null +++ b/arch/microblaze/cpu/cache.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK + * + * 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 +#include + +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); +} -- cgit v1.2.1