/* -*- mode: c; c-basic-offset: 8 -*- */
  
  /* Platform specific MCA defines */
  #ifndef _ASM_MCA_H
  #define _ASM_MCA_H
  
  /* Maximal number of MCA slots - actually, some machines have less, but
   * they all have sufficient number of POS registers to cover 8.
   */
  #define MCA_MAX_SLOT_NR  8
  
  /* Most machines have only one MCA bus.  The only multiple bus machines
   * I know have at most two */
  #define MAX_MCA_BUSSES 2
  
  #define MCA_PRIMARY_BUS		0
  #define MCA_SECONDARY_BUS	1
  
  /* Dummy slot numbers on primary MCA for integrated functions */
  #define MCA_INTEGSCSI	(MCA_MAX_SLOT_NR)
  #define MCA_INTEGVIDEO	(MCA_MAX_SLOT_NR+1)
  #define MCA_MOTHERBOARD (MCA_MAX_SLOT_NR+2)
  
  /* Dummy POS values for integrated functions */
  #define MCA_DUMMY_POS_START	0x10000
  #define MCA_INTEGSCSI_POS	(MCA_DUMMY_POS_START+1)
  #define MCA_INTEGVIDEO_POS	(MCA_DUMMY_POS_START+2)
  #define MCA_MOTHERBOARD_POS	(MCA_DUMMY_POS_START+3)
  
  /* MCA registers */
  
  #define MCA_MOTHERBOARD_SETUP_REG	0x94
  #define MCA_ADAPTER_SETUP_REG		0x96
  #define MCA_POS_REG(n)			(0x100+(n))
  
  #define MCA_ENABLED	0x01	/* POS 2, set if adapter enabled */
  
  /* Max number of adapters, including both slots and various integrated
   * things.
   */
  #define MCA_NUMADAPTERS (MCA_MAX_SLOT_NR+3)
  
  #endif