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      1 /*	$NetBSD: uvax.h,v 1.9 2023/08/10 19:13:52 andvar Exp $ */
      2 /*
      3  * Copyright (c) 2002 Hugh Graham.
      4  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Ludd by Bertram Barth.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _VAX_UVAX_H_
     33 #define _VAX_UVAX_H_
     34 
     35 /*
     36  * Generic definitions common on all MicroVAXen clock chip.
     37  */
     38 #define uVAX_CLKVRT	0200
     39 #define uVAX_CLKUIP	0200
     40 #define uVAX_CLKRATE	040
     41 #define uVAX_CLKENABLE	06
     42 #define uVAX_CLKSET	0206
     43 
     44 /* cpmbx bits  */
     45 #define uVAX_CLKHLTACT	03
     46 
     47 /* halt action values */
     48 #define uVAX_CLKRESTRT	01
     49 #define uVAX_CLKREBOOT	02
     50 #define uVAX_CLKHALT	03
     51 
     52 /* in progress flags */
     53 #define uVAX_CLKBOOT	04
     54 #define uVAX_CLKRSTRT	010
     55 #define uVAX_CLKLANG	0360
     56 
     57 /*
     58  * Miscellaneous registers common on most VAXstations.
     59  */
     60 struct vs_cpu {
     61 	u_long	vc_hltcod;	/* 00 - Halt Code Register */
     62 	u_long	vc_410mser;	/* 04 - VS2K */
     63 	u_long	vc_410cear;	/* 08 - VS2K */
     64 	u_char	vc_intmsk;	/* 0c - Interrupt mask register */
     65 	u_char	vc_vdcorg;	/* 0d - Mono display origin */
     66 	u_char	vc_vdcsel;	/* 0e - Video interrupt select */
     67 	u_char	vc_intreq;	/* 0f - Interrupt request register */
     68 #define vc_intclr vc_intreq
     69 	u_short vc_diagdsp;	/* 10 - Diagnostic display register */
     70 	u_short pad4;		/* 12 */
     71 	u_long	vc_parctl;	/* 14 - Parity Control Register */
     72 #define vc_bwf0 vc_parctl
     73 	u_short pad5;		/* 16 */
     74 	u_short pad6;		/* 18 */
     75 	u_short vc_diagtimu;	/* 1a - usecond timer KA46 */
     76 	u_short vc_diagtme;	/* 1c - Diagnostic time register */
     77 #define vc_diagtimm vc_diagtme	/* msecond time KA46 */
     78 };
     79 #define PARCTL_DMA	0x1000000
     80 #define PARCTL_CPEN	2
     81 #define PARCTL_DPEN	1
     82 
     83 
     84 /*
     85  * Console Mailbox layout common to several models.
     86  */
     87 
     88 struct cpmbx {
     89 	unsigned int mbox_halt:2;	/* mailbox halt action */
     90 	unsigned int mbox_bip:1;	/* bootstrap in progress */
     91 	unsigned int mbox_rip:1;	/* restart in progress */
     92 	unsigned int mbox_lang:4;	/* language info */
     93 	unsigned int terminal:8;	/* terminal info */
     94 	unsigned int keyboard:8;	/* keyboard info */
     95 	unsigned int user_four:4;	/* unknown */
     96 	unsigned int user_halt:3;	/* user halt action */
     97 	unsigned int user_one:1;	/* unknown */
     98 };
     99 
    100 extern struct cpmbx *cpmbx;
    101 
    102 void   generic_halt(void);
    103 void   generic_reboot(int);
    104 
    105 #define	MHALT_RESTART_REBOOT	0
    106 #define	MHALT_RESTART		1
    107 #define	MHALT_REBOOT		2
    108 #define	MHALT_HALT		3
    109 
    110 #define	UHALT_DEFAULT		0
    111 #define	UHALT_RESTART		1
    112 #define	UHALT_REBOOT		2
    113 #define	UHALT_HALT		3
    114 #define	UHALT_RESTART_REBOOT	4
    115 
    116 #endif
    117