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intr.h revision 1.30 
      1 /*	$NetBSD: intr.h,v 1.30 2007/10/17 19:56:49 garbled Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Tim Rightnour
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _PREP_INTR_H_
     40 #define _PREP_INTR_H_
     41 
     42 #include <powerpc/intr.h>
     43 
     44 #ifndef _LOCORE
     45 #include <machine/cpu.h>
     46 #include <sys/device.h>
     47 
     48 void init_intr_ivr(void);
     49 void init_intr_openpic(void);
     50 void openpic_init(unsigned char *);
     51 void enable_intr(void);
     52 void disable_intr(void);
     53 
     54 extern int imask[];
     55 extern vaddr_t prep_intr_reg;
     56 extern uint32_t prep_intr_reg_off;
     57 
     58 #define	ICU_LEN			32
     59 
     60 #define	IRQ_SLAVE		2
     61 #define	LEGAL_IRQ(x)		((x) >= 0 && (x) < ICU_LEN && (x) != IRQ_SLAVE)
     62 #define	I8259_INTR_NUM		16
     63 #define	OPENPIC_INTR_NUM	((ICU_LEN)-(I8259_INTR_NUM))
     64 
     65 #define	PREP_INTR_REG	0xbffff000
     66 #define	INTR_VECTOR_REG	0xff0
     67 
     68 #endif /* !_LOCORE */
     69 
     70 #endif /* !_PREP_INTR_H_ */
     71