include/asm-mips/dec/kn02xa.h

   1 /*
   2  * Hardware info common to DECstation 5000/1xx systems (otherwise
   3  * known as 3min or kn02ba) and Personal DECstations 5000/xx ones
   4  * (otherwise known as maxine or kn02ca).
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  *
  10  * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
  11  * are by courtesy of Chris Fraser.
  12  * Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
  13  *
  14  * These are addresses which have to be known early in the boot process.
  15  * For other addresses refer to tc.h, ioasic_addrs.h and friends.
  16  */
  17 #ifndef __ASM_MIPS_DEC_KN02XA_H
  18 #define __ASM_MIPS_DEC_KN02XA_H
  19
  20 #include <asm/addrspace.h>
  21 #include <asm/dec/ioasic_addrs.h>
  22
  23 #define KN02XA_SLOT_BASE        KSEG1ADDR(0x1c000000)
  24
  25 /*
  26  * Some port addresses...
  27  */
  28 #define KN02XA_IOASIC_BASE    (KN02XA_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */
  29 #define KN02XA_RTC_BASE         (KN02XA_SLOT_BASE + IOASIC_TOY) /* RTC */
  30
  31
  32 /*
  33  * Memory control ASIC registers.
  34  */
  35 #define KN02XA_MER      KSEG1ADDR(0x0c400000)   /* memory error register */
  36 #define KN02XA_MSR      KSEG1ADDR(0x0c800000)   /* memory size register */
  37
  38 /*
  39  * CPU control ASIC registers.
  40  */
  41 #define KN02XA_MEM_CONF KSEG1ADDR(0x0e000000)   /* write timeout config */
  42 #define KN02XA_EAR      KSEG1ADDR(0x0e000004)   /* error address register */
  43 #define KN02XA_BOOT0    KSEG1ADDR(0x0e000008)   /* boot 0 register */
  44 #define KN02XA_MEM_INTR KSEG1ADDR(0x0e00000c)   /* write err IRQ stat & ack */
  45
  46 /*
  47  * Memory Error Register bits, common definitions.
  48  * The rest is defined in system-specific headers.
  49  */
  50 #define KN02XA_MER_RES_28       (0xf<<28)       /* unused */
  51 #define KN02XA_MER_RES_17       (0x3ff<<17)     /* unused */
  52 #define KN02XA_MER_PAGERR       (1<<16)         /* 2k page boundary error */
  53 #define KN02XA_MER_TRANSERR     (1<<15)         /* transfer length error */
  54 #define KN02XA_MER_PARDIS       (1<<14)         /* parity error disable */
  55 #define KN02XA_MER_RES_12       (0x3<<12)       /* unused */
  56 #define KN02XA_MER_BYTERR       (0xf<<8)        /* byte lane error bitmask */
  57 #define KN02XA_MER_RES_0        (0xff<<0)       /* unused */
  58
  59 /*
  60  * Memory Size Register bits, common definitions.
  61  * The rest is defined in system-specific headers.
  62  */
  63 #define KN02XA_MSR_RES_27       (0x1f<<27)      /* unused */
  64 #define KN02XA_MSR_RES_14       (0x7<<14)       /* unused */
  65 #define KN02XA_MSR_SIZE         (1<<13)         /* 16M/4M stride */
  66 #define KN02XA_MSR_RES_0        (0x1fff<<0)     /* unused */
  67
  68 /*
  69  * Error Address Register bits.
  70  */
  71 #define KN02XA_EAR_RES_29       (0x7<<29)       /* unused */
  72 #define KN02XA_EAR_ADDRESS      (0x7ffffff<<2)  /* address involved */
  73 #define KN02XA_EAR_RES_0        (0x3<<0)        /* unused */
  74
  75 #endif /* __ASM_MIPS_DEC_KN02XA_H */