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kn02ca.h

/*
 *    include/asm-mips/dec/kn02ca.h
 *
 *    Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
 *
 *    Copyright (C) 2002, 2003  Maciej W. Rozycki
 *
 *    This program is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU General Public License
 *    as published by the Free Software Foundation; either version
 *    2 of the License, or (at your option) any later version.
 */
#ifndef __ASM_MIPS_DEC_KN02CA_H
#define __ASM_MIPS_DEC_KN02CA_H

#include <asm/dec/kn02xa.h>         /* For common definitions. */

/*
 * CPU interrupt bits.
 */
#define KN02CA_CPU_INR_HALT   6     /* HALT from ACCESS.Bus */
#define KN02CA_CPU_INR_CASCADE      5     /* I/O ASIC cascade */
#define KN02CA_CPU_INR_BUS    4     /* memory, I/O bus read/write errors */
#define KN02CA_CPU_INR_RTC    3     /* DS1287 RTC */
#define KN02CA_CPU_INR_TIMER  2     /* ARC periodic timer */

/*
 * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
 */
#define KN02CA_IO_INR_FLOPPY  15    /* 82077 FDC */
#define KN02CA_IO_INR_NVRAM   14    /* (*) NVRAM clear jumper */
#define KN02CA_IO_INR_POWERON 13    /* (*) ACCESS.Bus/power-on reset */
#define KN02CA_IO_INR_TC0     12    /* TURBOchannel slot #0 */
#define KN02CA_IO_INR_TIMER   12    /* ARC periodic timer (?) */
#define KN02CA_IO_INR_ISDN    11    /* Am79C30A ISDN */
#define KN02CA_IO_INR_NRMOD   10    /* (*) NRMOD manufacturing jumper */
#define KN02CA_IO_INR_ASC     9     /* ASC (NCR53C94) SCSI */
#define KN02CA_IO_INR_LANCE   8     /* LANCE (Am7990) Ethernet */
#define KN02CA_IO_INR_HDFLOPPY      7     /* (*) HD (1.44MB) floppy status */
#define KN02CA_IO_INR_SCC0    6     /* SCC (Z85C30) serial #0 */
#define KN02CA_IO_INR_TC1     5     /* TURBOchannel slot #1 */
#define KN02CA_IO_INR_XDFLOPPY      4     /* (*) XD (2.88MB) floppy status */
#define KN02CA_IO_INR_VIDEO   3     /* framebuffer */
#define KN02CA_IO_INR_XVIDEO  2     /* ~framebuffer */
#define KN02CA_IO_INR_AB_XMIT 1     /* ACCESS.bus transmit */
#define KN02CA_IO_INR_AB_RECV 0     /* ACCESS.bus receive */


/*
 * Memory Error Register bits.
 */
#define KN02CA_MER_INTR       (1<<27)           /* ARC IRQ status & ack */

/*
 * Memory Size Register bits.
 */
#define KN02CA_MSR_INTREN     (1<<26)           /* ARC periodic IRQ enable */
#define KN02CA_MSR_MS10EN     (1<<25)           /* 10/1ms IRQ period select */
#define KN02CA_MSR_PFORCE     (0xf<<21)   /* byte lane error force */
#define KN02CA_MSR_MABEN      (1<<20)           /* A side VFB address enable */
#define KN02CA_MSR_LASTBANK   (0x7<<17)   /* onboard RAM bank # */

/*
 * I/O ASIC System Support Register bits.
 */
#define KN03CA_IO_SSR_RES_14  (1<<14)           /* unused */
#define KN03CA_IO_SSR_RES_13  (1<<13)           /* unused */
#define KN03CA_IO_SSR_ISDN_RST      (1<<12)           /* ~ISDN (Am79C30A) reset */

#define KN03CA_IO_SSR_FLOPPY_RST (1<<7)         /* ~FDC (82077) reset */
#define KN03CA_IO_SSR_VIDEO_RST     (1<<6)            /* ~framebuffer reset */
#define KN03CA_IO_SSR_AB_RST  (1<<5)            /* ACCESS.bus reset */
#define KN03CA_IO_SSR_RES_4   (1<<4)            /* unused */
#define KN03CA_IO_SSR_RES_3   (1<<4)            /* unused */
#define KN03CA_IO_SSR_RES_2   (1<<2)            /* unused */
#define KN03CA_IO_SSR_RES_1   (1<<1)            /* unused */
#define KN03CA_IO_SSR_LED     (1<<0)            /* power LED */

#endif /* __ASM_MIPS_DEC_KN02CA_H */

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