/*      $NetBSD: ka820.h,v 1.9 2008/03/11 05:34:02 matt Exp $   */
/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)ka820.h     7.3 (Berkeley) 6/28/90
*/

/*
* Definitions specific to the ka820 CPU.
*/
#ifndef _VAX_KA820_H_
#define _VAX_KA820_H_

/*
* Device addresses.
*/
#define KA820_PORTADDR          0x20088000      /* port controller */
#define KA820_BRAMADDR          0x20090000      /* boot ram */
#define KA820_EEPROMADDR        0x20098000      /* eeprom */
#define KA820_RX50ADDR          0x200b0000      /* rcx50 */
#define KA820_CLOCKADDR         0x200b8000      /* watch chip */

/*
* Sizes.  The port controller, RCX50, and watch chip are all one page.
*/
#define KA820_BRPAGES           16              /* 8K */
#define KA820_EEPAGES           64              /* 32K */

/* port controller CSR bit values */
#define KA820PORT_RSTHALT       0x80000000      /* restart halt */
#define KA820PORT_LCONS         0x40000000      /* logical console */
#define KA820PORT_LCONSEN       0x20000000      /* logical console enable */
#define KA820PORT_BIRESET       0x10000000      /* BI reset */
#define KA820PORT_BISTF         0x08000000      /* ??? */
#define KA820PORT_ENBAPT        0x04000000      /* ??? */
#define KA820PORT_STPASS        0x02000000      /* self test pass */
#define KA820PORT_RUN           0x01000000      /* run */
#define KA820PORT_WWPE          0x00800000      /* ??? parity even? */
#define KA820PORT_EVLCK         0x00400000      /* event lock */
#define KA820PORT_WMEM          0x00200000      /* write mem */
#define KA820PORT_EV4           0x00100000      /* event 4 */
#define KA820PORT_EV3           0x00080000      /* event 3 */
#define KA820PORT_EV2           0x00040000      /* event 2 */
#define KA820PORT_EV1           0x00020000      /* event 1 */
#define KA820PORT_EV0           0x00010000      /* event 0 */
#define KA820PORT_WWPO          0x00008000      /* ??? parity odd? */
#define KA820PORT_PERH          0x00004000      /* parity error H */
#define KA820PORT_ENBPIPE       0x00002000      /* enable? pipe */
#define KA820PORT_TIMEOUT       0x00001000      /* timeout */
#define KA820PORT_RSVD          0x00000800      /* reserved */
#define KA820PORT_CONSEN        0x00000400      /* console interrupt enable */
#define KA820PORT_CONSCLR       0x00000200      /* clear console interrupt */
#define KA820PORT_CONSINTR      0x00000100      /* console interrupt req */
#define KA820PORT_RXIE          0x00000080      /* RX50 interrupt enable */
#define KA820PORT_RXCLR         0x00000040      /* clear RX50 interrupt */
#define KA820PORT_RXIRQ         0x00000020      /* RX50 interrupt request */
#define KA820PORT_IPCLR         0x00000010      /* clear IP interrupt */
#define KA820PORT_IPINTR        0x00000008      /* IP interrupt request */
#define KA820PORT_CRDEN         0x00000004      /* enable CRD interrupts */
#define KA820PORT_CRDCLR        0x00000002      /* clear CRD interrupt */
#define KA820PORT_CRDINTR       0x00000001      /* CRD interrupt request */

/* interrupt vectors unique for this CPU */
#define KA820_INT_RXCD          0x58
#define KA820_INT_IPINTR        0x80

/* what the heck */
#define KA820PORT_BITS \
"\20\40RSTHALT\37LCONS\36LCONSEN\35BIRESET\34BISTF\33ENBAPT\32STPASS\31RUN\
\30WWPE\27EVLCK\26WMEM\25EV4\24EV3\23EV2\22EV1\21EV\20WWPO\17PERH\16ENBPIPE\
\15TIMEOUT\13CONSEN\12CONSCLR\11CONSINTR\10RXIE\7RXCLR\6RXIRQ\5IPCLR\4IPINTR\
\3CRDEN\2CLRCLR\1CRDINTR"

/* clock CSR bit values, per csr */
#define KA820CLK_0_BUSY         0x01            /* busy (time changing) */
#define KA820CLK_1_GO           0x0c            /* run */
#define KA820CLK_1_SET          0x0d            /* set the time */
#define KA820CLK_3_VALID        0x01            /* clock is valid */

#ifndef LOCORE
struct ka820port {
       u_long  csr;
       /* that seems to be all.... */
};

struct ka820clock {
       u_char  sec;
       u_char  pad0;
       u_char  secalrm;
       u_char  pad1;
       u_char  min;
       u_char  pad2;
       u_char  minalrm;
       u_char  pad3;
       u_char  hr;
       u_char  pad4;
       u_char  hralrm;
       u_char  pad5;
       u_char  dayofwk;
       u_char  pad6;
       u_char  day;
       u_char  pad7;
       u_char  mon;
       u_char  pad8;
       u_char  yr;
       u_char  pad9;
       u_short csr0;
       u_short csr1;
       u_short csr2;
       u_short csr3;
};

void    crxintr(void *arg);
#endif /* _LOCORE */

#endif /* _VAX_KA820_H_ */