diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
| commit | 2b12a4c524812fb3f6ee590a02e65b95c8c32229 (patch) | |
| tree | 6d319a371c56798d2d5c3ad21801eba142a1c77e /arch/ia64/include/asm/sn/rw_mmr.h | |
| parent | 4744b43431e8613f920c5cba88346756f53c5165 (diff) | |
| parent | 7f30491ccd28627742e37899453ae20e3da8e18f (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Move include/asm-ia64 to arch/ia64/include/asm
Diffstat (limited to 'arch/ia64/include/asm/sn/rw_mmr.h')
| -rw-r--r-- | arch/ia64/include/asm/sn/rw_mmr.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/rw_mmr.h b/arch/ia64/include/asm/sn/rw_mmr.h new file mode 100644 index 00000000000..2d78f4c5a45 --- /dev/null +++ b/arch/ia64/include/asm/sn/rw_mmr.h @@ -0,0 +1,28 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002-2006 Silicon Graphics, Inc. All Rights Reserved. + */ +#ifndef _ASM_IA64_SN_RW_MMR_H +#define _ASM_IA64_SN_RW_MMR_H + + +/* + * This file that access MMRs via uncached physical addresses. + * pio_phys_read_mmr - read an MMR + * pio_phys_write_mmr - write an MMR + * pio_atomic_phys_write_mmrs - atomically write 1 or 2 MMRs with psr.ic=0 + * Second MMR will be skipped if address is NULL + * + * Addresses passed to these routines should be uncached physical addresses + * ie., 0x80000.... + */ + + +extern long pio_phys_read_mmr(volatile long *mmr); +extern void pio_phys_write_mmr(volatile long *mmr, long val); +extern void pio_atomic_phys_write_mmrs(volatile long *mmr1, long val1, volatile long *mmr2, long val2); + +#endif /* _ASM_IA64_SN_RW_MMR_H */ |