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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *      include/asm-mips/dec/kn02ca.h
   4  *
   5  *      Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
   6  *
   7  *      Copyright (C) 2002, 2003  Maciej W. Rozycki
   8  */
   9 #ifndef __ASM_MIPS_DEC_KN02CA_H
  10 #define __ASM_MIPS_DEC_KN02CA_H
  11
  12 #include <asm/dec/kn02xa.h>             /* For common definitions. */
  13
  14 /*
  15  * CPU interrupt bits.
  16  */
  17 #define KN02CA_CPU_INR_HALT     6       /* HALT from ACCESS.Bus */
  18 #define KN02CA_CPU_INR_CASCADE  5       /* I/O ASIC cascade */
  19 #define KN02CA_CPU_INR_BUS      4       /* memory, I/O bus read/write errors */
  20 #define KN02CA_CPU_INR_RTC      3       /* DS1287 RTC */
  21 #define KN02CA_CPU_INR_TIMER    2       /* ARC periodic timer */
  22
  23 /*
  24  * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
  25  */
  26 #define KN02CA_IO_INR_FLOPPY    15      /* 82077 FDC */
  27 #define KN02CA_IO_INR_NVRAM     14      /* (*) NVRAM clear jumper */
  28 #define KN02CA_IO_INR_POWERON   13      /* (*) ACCESS.Bus/power-on reset */
  29 #define KN02CA_IO_INR_TC0       12      /* TURBOchannel slot #0 */
  30 #define KN02CA_IO_INR_TIMER     12      /* ARC periodic timer (?) */
  31 #define KN02CA_IO_INR_ISDN      11      /* Am79C30A ISDN */
  32 #define KN02CA_IO_INR_NRMOD     10      /* (*) NRMOD manufacturing jumper */
  33 #define KN02CA_IO_INR_ASC       9       /* ASC (NCR53C94) SCSI */
  34 #define KN02CA_IO_INR_LANCE     8       /* LANCE (Am7990) Ethernet */
  35 #define KN02CA_IO_INR_HDFLOPPY  7       /* (*) HD (1.44MB) floppy status */
  36 #define KN02CA_IO_INR_SCC0      6       /* SCC (Z85C30) serial #0 */
  37 #define KN02CA_IO_INR_TC1       5       /* TURBOchannel slot #1 */
  38 #define KN02CA_IO_INR_XDFLOPPY  4       /* (*) XD (2.88MB) floppy status */
  39 #define KN02CA_IO_INR_VIDEO     3       /* framebuffer */
  40 #define KN02CA_IO_INR_XVIDEO    2       /* ~framebuffer */
  41 #define KN02CA_IO_INR_AB_XMIT   1       /* ACCESS.bus transmit */
  42 #define KN02CA_IO_INR_AB_RECV   0       /* ACCESS.bus receive */
  43
  44
  45 /*
  46  * Memory Error Register bits.
  47  */
  48 #define KN02CA_MER_INTR         (1<<27)         /* ARC IRQ status & ack */
  49
  50 /*
  51  * Memory Size Register bits.
  52  */
  53 #define KN02CA_MSR_INTREN       (1<<26)         /* ARC periodic IRQ enable */
  54 #define KN02CA_MSR_MS10EN       (1<<25)         /* 10/1ms IRQ period select */
  55 #define KN02CA_MSR_PFORCE       (0xf<<21)       /* byte lane error force */
  56 #define KN02CA_MSR_MABEN        (1<<20)         /* A side VFB address enable */
  57 #define KN02CA_MSR_LASTBANK     (0x7<<17)       /* onboard RAM bank # */
  58
  59 /*
  60  * I/O ASIC System Support Register bits.
  61  */
  62 #define KN03CA_IO_SSR_RES_14    (1<<14)         /* unused */
  63 #define KN03CA_IO_SSR_RES_13    (1<<13)         /* unused */
  64 #define KN03CA_IO_SSR_ISDN_RST  (1<<12)         /* ~ISDN (Am79C30A) reset */
  65
  66 #define KN03CA_IO_SSR_FLOPPY_RST (1<<7)         /* ~FDC (82077) reset */
  67 #define KN03CA_IO_SSR_VIDEO_RST (1<<6)          /* ~framebuffer reset */
  68 #define KN03CA_IO_SSR_AB_RST    (1<<5)          /* ACCESS.bus reset */
  69 #define KN03CA_IO_SSR_RES_4     (1<<4)          /* unused */
  70 #define KN03CA_IO_SSR_RES_3     (1<<4)          /* unused */
  71 #define KN03CA_IO_SSR_RES_2     (1<<2)          /* unused */
  72 #define KN03CA_IO_SSR_RES_1     (1<<1)          /* unused */
  73 #define KN03CA_IO_SSR_LED       (1<<0)          /* power LED */
  74
  75 #endif /* __ASM_MIPS_DEC_KN02CA_H */