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Annotation of sys/arch/i386/pci/rccosb4reg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: rccosb4reg.h,v 1.3 2005/11/23 09:24:57 mickey Exp $   */
                      2:
                      3: /*
                      4:  * Copyright (c) 2004,2005 Michael Shalayeff
                      5:  * Copyright (c) 1999, by UCHIYAMA Yasushi
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. The name of the developer may NOT be used to endorse or promote products
                     14:  *    derived from this software without specific prior written permission.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     17:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     18:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     19:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     20:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     21:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     22:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     24:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     25:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     26:  * SUCH DAMAGE.
                     27:  */
                     28:
                     29: /*
                     30:  * Register definitions for the RCC South Bridge interrupt controller.
                     31:  */
                     32:
                     33: #define        OSB4_LEGAL_LINK(link)   ((link) >= 0 && (link) <= 0x1f)
                     34:
                     35: #define        OSB4_PIRQ_MASK          0xdefa
                     36: #define        OSB4_LEGAL_IRQ(irq)     ((irq) > 0 && (irq) <= 15 &&            \
                     37:                                 ((1 << (irq)) & OSB4_PIRQ_MASK) != 0)
                     38:
                     39: /*
                     40:  * PCI Interrupts Address Index Register
                     41:  */
                     42: #define        OSB4_PIAIR      0xc00
                     43: #define        OSB4_PIRR       0xc01
                     44: #define        OSB4_PISP       3       /* special lines assumed to route thru ISA */
                     45:
                     46: /*
                     47:  * ELCR - EDGE/LEVEL CONTROL REGISTER
                     48:  *
                     49:  * PCI I/O registers 0x4d0, 0x4d1
                     50:  */
                     51: #define        OSB4_REG_ELCR           0x4d0
                     52: #define        OSB4_REG_ELCR_SIZE      2