forked from luck/tmp_suning_uos_patched
1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* -*- 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 */
|