arch/mips/include/asm/dec/kn02ca.h

   1 /*
   2  *      include/asm-mips/dec/kn02ca.h
   3  *
   4  *      Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
   5  *
   6  *      Copyright (C) 2002, 2003  Maciej W. Rozycki
   7  *
   8  *      This program is free software; you can redistribute it and/or
   9  *      modify it under the terms of the GNU General Public License
  10  *      as published by the Free Software Foundation; either version
  11  *      2 of the License, or (at your option) any later version.
  12  */
  13 #ifndef __ASM_MIPS_DEC_KN02CA_H
  14 #define __ASM_MIPS_DEC_KN02CA_H
  15
  16 #include <asm/dec/kn02xa.h>             /* For common definitions. */
  17
  18 /*
  19  * CPU interrupt bits.
  20  */
  21 #define KN02CA_CPU_INR_HALT     6       /* HALT from ACCESS.Bus */
  22 #define KN02CA_CPU_INR_CASCADE  5       /* I/O ASIC cascade */
  23 #define KN02CA_CPU_INR_BUS      4       /* memory, I/O bus read/write errors */
  24 #define KN02CA_CPU_INR_RTC      3       /* DS1287 RTC */
  25 #define KN02CA_CPU_INR_TIMER    2       /* ARC periodic timer */
  26
  27 /*
  28  * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
  29  */
  30 #define KN02CA_IO_INR_FLOPPY    15      /* 82077 FDC */
  31 #define KN02CA_IO_INR_NVRAM     14      /* (*) NVRAM clear jumper */
  32 #define KN02CA_IO_INR_POWERON   13      /* (*) ACCESS.Bus/power-on reset */
  33 #define KN02CA_IO_INR_TC0       12      /* TURBOchannel slot #0 */
  34 #define KN02CA_IO_INR_TIMER     12      /* ARC periodic timer (?) */
  35 #define KN02CA_IO_INR_ISDN      11      /* Am79C30A ISDN */
  36 #define KN02CA_IO_INR_NRMOD     10      /* (*) NRMOD manufacturing jumper */
  37 #define KN02CA_IO_INR_ASC       9       /* ASC (NCR53C94) SCSI */
  38 #define KN02CA_IO_INR_LANCE     8       /* LANCE (Am7990) Ethernet */
  39 #define KN02CA_IO_INR_HDFLOPPY  7       /* (*) HD (1.44MB) floppy status */
  40 #define KN02CA_IO_INR_SCC0      6       /* SCC (Z85C30) serial #0 */
  41 #define KN02CA_IO_INR_TC1       5       /* TURBOchannel slot #1 */
  42 #define KN02CA_IO_INR_XDFLOPPY  4       /* (*) XD (2.88MB) floppy status */
  43 #define KN02CA_IO_INR_VIDEO     3       /* framebuffer */
  44 #define KN02CA_IO_INR_XVIDEO    2       /* ~framebuffer */
  45 #define KN02CA_IO_INR_AB_XMIT   1       /* ACCESS.bus transmit */
  46 #define KN02CA_IO_INR_AB_RECV   0       /* ACCESS.bus receive */
  47
  48
  49 /*
  50  * Memory Error Register bits.
  51  */
  52 #define KN02CA_MER_INTR         (1<<27)         /* ARC IRQ status & ack */
  53
  54 /*
  55  * Memory Size Register bits.
  56  */
  57 #define KN02CA_MSR_INTREN       (1<<26)         /* ARC periodic IRQ enable */
  58 #define KN02CA_MSR_MS10EN       (1<<25)         /* 10/1ms IRQ period select */
  59 #define KN02CA_MSR_PFORCE       (0xf<<21)       /* byte lane error force */
  60 #define KN02CA_MSR_MABEN        (1<<20)         /* A side VFB address enable */
  61 #define KN02CA_MSR_LASTBANK     (0x7<<17)       /* onboard RAM bank # */
  62
  63 /*
  64  * I/O ASIC System Support Register bits.
  65  */
  66 #define KN03CA_IO_SSR_RES_14    (1<<14)         /* unused */
  67 #define KN03CA_IO_SSR_RES_13    (1<<13)         /* unused */
  68 #define KN03CA_IO_SSR_ISDN_RST  (1<<12)         /* ~ISDN (Am79C30A) reset */
  69
  70 #define KN03CA_IO_SSR_FLOPPY_RST (1<<7)         /* ~FDC (82077) reset */
  71 #define KN03CA_IO_SSR_VIDEO_RST (1<<6)          /* ~framebuffer reset */
  72 #define KN03CA_IO_SSR_AB_RST    (1<<5)          /* ACCESS.bus reset */
  73 #define KN03CA_IO_SSR_RES_4     (1<<4)          /* unused */
  74 #define KN03CA_IO_SSR_RES_3     (1<<4)          /* unused */
  75 #define KN03CA_IO_SSR_RES_2     (1<<2)          /* unused */
  76 #define KN03CA_IO_SSR_RES_1     (1<<1)          /* unused */
  77 #define KN03CA_IO_SSR_LED       (1<<0)          /* power LED */
  78
  79 #endif /* __ASM_MIPS_DEC_KN02CA_H */