kn02ca.h

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/*
 *  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 */