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 * 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 */

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