Loading...
/* -*- 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 |