include/asm-mips/mips-boards/piix4.h

   1 /*
   2  * Carsten Langgaard, carstenl@mips.com
   3  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
   4  *
   5  *  This program is free software; you can distribute it and/or modify it
   6  *  under the terms of the GNU General Public License (Version 2) as
   7  *  published by the Free Software Foundation.
   8  *
   9  *  This program is distributed in the hope it will be useful, but WITHOUT
  10  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  *  for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License along
  15  *  with this program; if not, write to the Free Software Foundation, Inc.,
  16  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  17  *
  18  * Register definitions for Intel PIIX4 South Bridge Device.
  19  */
  20 #ifndef __ASM_MIPS_BOARDS_PIIX4_H
  21 #define __ASM_MIPS_BOARDS_PIIX4_H
  22
  23 /************************************************************************
  24  *  IO register offsets
  25  ************************************************************************/
  26 #define PIIX4_ICTLR1_ICW1       0x20
  27 #define PIIX4_ICTLR1_ICW2       0x21
  28 #define PIIX4_ICTLR1_ICW3       0x21
  29 #define PIIX4_ICTLR1_ICW4       0x21
  30 #define PIIX4_ICTLR2_ICW1       0xa0
  31 #define PIIX4_ICTLR2_ICW2       0xa1
  32 #define PIIX4_ICTLR2_ICW3       0xa1
  33 #define PIIX4_ICTLR2_ICW4       0xa1
  34 #define PIIX4_ICTLR1_OCW1       0x21
  35 #define PIIX4_ICTLR1_OCW2       0x20
  36 #define PIIX4_ICTLR1_OCW3       0x20
  37 #define PIIX4_ICTLR1_OCW4       0x20
  38 #define PIIX4_ICTLR2_OCW1       0xa1
  39 #define PIIX4_ICTLR2_OCW2       0xa0
  40 #define PIIX4_ICTLR2_OCW3       0xa0
  41 #define PIIX4_ICTLR2_OCW4       0xa0
  42
  43
  44 /************************************************************************
  45  *  Register encodings.
  46  ************************************************************************/
  47 #define PIIX4_OCW2_NSEOI        (0x1 << 5)
  48 #define PIIX4_OCW2_SEOI         (0x3 << 5)
  49 #define PIIX4_OCW2_RNSEOI       (0x5 << 5)
  50 #define PIIX4_OCW2_RAEOIS       (0x4 << 5)
  51 #define PIIX4_OCW2_RAEOIC       (0x0 << 5)
  52 #define PIIX4_OCW2_RSEOI        (0x7 << 5)
  53 #define PIIX4_OCW2_SP           (0x6 << 5)
  54 #define PIIX4_OCW2_NOP          (0x2 << 5)
  55
  56 #define PIIX4_OCW2_SEL          (0x0 << 3)
  57
  58 #define PIIX4_OCW2_ILS_0        0
  59 #define PIIX4_OCW2_ILS_1        1
  60 #define PIIX4_OCW2_ILS_2        2
  61 #define PIIX4_OCW2_ILS_3        3
  62 #define PIIX4_OCW2_ILS_4        4
  63 #define PIIX4_OCW2_ILS_5        5
  64 #define PIIX4_OCW2_ILS_6        6
  65 #define PIIX4_OCW2_ILS_7        7
  66 #define PIIX4_OCW2_ILS_8        0
  67 #define PIIX4_OCW2_ILS_9        1
  68 #define PIIX4_OCW2_ILS_10       2
  69 #define PIIX4_OCW2_ILS_11       3
  70 #define PIIX4_OCW2_ILS_12       4
  71 #define PIIX4_OCW2_ILS_13       5
  72 #define PIIX4_OCW2_ILS_14       6
  73 #define PIIX4_OCW2_ILS_15       7
  74
  75 #define PIIX4_OCW3_SEL          (0x1 << 3)
  76
  77 #define PIIX4_OCW3_IRR          0x2
  78 #define PIIX4_OCW3_ISR          0x3
  79
  80 #endif /* __ASM_MIPS_BOARDS_PIIX4_H */