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author | Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> | 2011-11-26 19:04:49 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2012-01-13 20:16:37 (GMT) |
commit | ca9d3ab5c7e12929d1c64e3618bbd30e1ed2ea70 (patch) | |
tree | f8ce381cbe18de64e877edb25f2dac1a3b97de04 /arch/openrisc/include/asm/system.h | |
parent | 30de1014a78e742159ecae483afd491e78a559c0 (diff) | |
download | u-boot-ca9d3ab5c7e12929d1c64e3618bbd30e1ed2ea70.tar.xz |
openrisc: Add architecture header files
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Diffstat (limited to 'arch/openrisc/include/asm/system.h')
-rw-r--r-- | arch/openrisc/include/asm/system.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/system.h b/arch/openrisc/include/asm/system.h new file mode 100644 index 0000000..d680363 --- /dev/null +++ b/arch/openrisc/include/asm/system.h @@ -0,0 +1,39 @@ +/* + * (C) Copyright 2011, Julius Baxter <julius@opencores.org> + * + * 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 __ASM_OPENRISC_SYSTEM_H +#define __ASM_OPENRISC_SYSTEM_H + +#include <asm/spr-defs.h> + +static inline unsigned long mfspr(unsigned long add) +{ + unsigned long ret; + + __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add)); + + return ret; +} + +static inline void mtspr(unsigned long add, unsigned long val) +{ + __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val)); +} + +#endif /* __ASM_OPENRISC_SYSTEM_H */ |