1 /* $NetBSD: int1reg.h,v 1.2 2009/02/12 06:33:57 rumble Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Stephen M. Rumble 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #if !defined(_ARCH_SGIMIPS_DEV_INT1REG_H_) 28 #define _ARCH_SGIMIPS_DEV_INT1REG_H_ 29 30 /* The INT has known locations on all SGI machines */ 31 #define INT1_IP6_IP10 0x1f980000 32 33 /* 34 * NB: The STATUS register is backwards w.r.t. INT2: a bit set implies 35 * no pending interrupt. The MASK register is like INT2: a bit 36 * set implies that the interrupt is enabled. 37 */ 38 #define INT1_LOCAL_STATUS 0x000002 /* 16-bit */ 39 #define INT1_LOCAL_MASK 0x00000b /* 8-bit */ 40 41 /* i8254 is actually its own chip, but we can pretend to be like INT2... */ 42 #define INT1_TIMER_0_ACK 0x0a0000 /* 8-bit */ 43 #define INT1_TIMER_1_ACK 0x080000 /* 8-bit */ 44 #define INT1_TIMER_0 0x1c0000 /* 8-bit */ 45 #define INT1_TIMER_1 0x1c0004 /* 8-bit */ 46 #define INT1_TIMER_2 0x1c0008 /* 8-bit */ 47 #define INT1_TIMER_CONTROL 0x1c000c /* 8-bit */ 48 49 #endif /* _ARCH_SGIMIPS_DEV_INT1REG_H_ */ 50