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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:16 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:26 +0200 |
commit | 6260fb0458d94c83aa5b180745b1946c0c94d364 (patch) | |
tree | e48fdfbfc874a78b22f6e0b914a7661e42a7e15f /arch/microblaze/cpu/cache.c | |
parent | 8a15c2d10b0b784f0cfba1240f06a4d933b975fa (diff) | |
download | u-boot-6260fb0458d94c83aa5b180745b1946c0c94d364.tar.gz |
microblaze: Move cpu/microblaze/* to arch/microblaze/cpu/*
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/microblaze/cpu/cache.c')
-rw-r--r-- | arch/microblaze/cpu/cache.c | 62 |
1 files changed, 62 insertions, 0 deletions
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 <monstr@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> + +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); +} |