1234567891011121314151617181920212223242526272829303132333435363738394041424344 |
- /* -*- mode: c; c-basic-offset: 8 -*- */
- /* Platform specific MCA defines */
- #ifndef _ASM_X86_MCA_H
- #define _ASM_X86_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 /* _ASM_X86_MCA_H */
|