include/asm-mips/dec/kn03.h

   1 /*
   2  * Hardware info about DECstation 5000/2x0 systems (otherwise known as
   3  * 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which
   4  * differ mechanically but are otherwise identical (both are known as
   5  * KN03).
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  *
  11  * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
  12  * are by courtesy of Chris Fraser.
  13  * Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
  14  */
  15 #ifndef __ASM_MIPS_DEC_KN03_H
  16 #define __ASM_MIPS_DEC_KN03_H
  17
  18 #include <asm/addrspace.h>
  19 #include <asm/dec/ecc.h>
  20 #include <asm/dec/ioasic_addrs.h>
  21
  22 #define KN03_SLOT_BASE  KSEG1ADDR(0x1f800000)
  23
  24 /*
  25  * Some port addresses...
  26  */
  27 #define KN03_IOASIC_BASE        (KN03_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */
  28 #define KN03_RTC_BASE           (KN03_SLOT_BASE + IOASIC_TOY)   /* RTC */
  29 #define KN03_MCR_BASE           (KN03_SLOT_BASE + IOASIC_MCR)   /* MCR */
  30
  31
  32 /*
  33  * CPU interrupt bits.
  34  */
  35 #define KN03_CPU_INR_HALT       6       /* HALT button */
  36 #define KN03_CPU_INR_BUS        5       /* memory, I/O bus read/write errors */
  37 #define KN03_CPU_INR_RES_4      4       /* unused */
  38 #define KN03_CPU_INR_RTC        3       /* DS1287 RTC */
  39 #define KN03_CPU_INR_CASCADE    2       /* I/O ASIC cascade */
  40
  41 /*
  42  * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
  43  */
  44 #define KN03_IO_INR_3MAXP       15      /* (*) 3max+/bigmax ID */
  45 #define KN03_IO_INR_NVRAM       14      /* (*) NVRAM clear jumper */
  46 #define KN03_IO_INR_TC2         13      /* TURBOchannel slot #2 */
  47 #define KN03_IO_INR_TC1         12      /* TURBOchannel slot #1 */
  48 #define KN03_IO_INR_TC0         11      /* TURBOchannel slot #0 */
  49 #define KN03_IO_INR_NRMOD       10      /* (*) NRMOD manufacturing jumper */
  50 #define KN03_IO_INR_ASC         9       /* ASC (NCR53C94) SCSI */
  51 #define KN03_IO_INR_LANCE       8       /* LANCE (Am7990) Ethernet */
  52 #define KN03_IO_INR_SCC1        7       /* SCC (Z85C30) serial #1 */
  53 #define KN03_IO_INR_SCC0        6       /* SCC (Z85C30) serial #0 */
  54 #define KN03_IO_INR_RTC         5       /* DS1287 RTC */
  55 #define KN03_IO_INR_PSU         4       /* power supply unit warning */
  56 #define KN03_IO_INR_RES_3       3       /* unused */
  57 #define KN03_IO_INR_ASC_DATA    2       /* SCSI data ready (for PIO) */
  58 #define KN03_IO_INR_PBNC        1       /* ~HALT button debouncer */
  59 #define KN03_IO_INR_PBNO        0       /* HALT button debouncer */
  60
  61
  62 /*
  63  * Memory Control Register bits.
  64  */
  65 #define KN03_MCR_RES_16         (0xffff<<16)    /* unused */
  66 #define KN03_MCR_DIAGCHK        (1<<15)         /* diagn/norml ECC reads */
  67 #define KN03_MCR_DIAGGEN        (1<<14)         /* diagn/norml ECC writes */
  68 #define KN03_MCR_CORRECT        (1<<13)         /* ECC correct/check */
  69 #define KN03_MCR_RES_11         (0x3<<12)       /* unused */
  70 #define KN03_MCR_BNK32M         (1<<10)         /* 32M/8M stride */
  71 #define KN03_MCR_RES_7          (0x7<<7)        /* unused */
  72 #define KN03_MCR_CHECK          (0x7f<<0)       /* diagnostic check bits */
  73
  74 /*
  75  * I/O ASIC System Support Register bits.
  76  */
  77 #define KN03_IO_SSR_TXDIS1      (1<<14)         /* SCC1 transmit disable */
  78 #define KN03_IO_SSR_TXDIS0      (1<<13)         /* SCC0 transmit disable */
  79 #define KN03_IO_SSR_RES_12      (1<<12)         /* unused */
  80
  81 #define KN03_IO_SSR_LEDS        (0xff<<0)       /* ~diagnostic LEDs */
  82
  83 #endif /* __ASM_MIPS_DEC_KN03_H */