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35 * This software was developed by the Computer Systems Engineering group
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41 * This product includes software developed by the University of
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68 * from: @(#)sbusvar.h 8.1 (Berkeley) 6/11/93
69 * from: NetBSD: sbusvar.h,v 1.15 2008/04/28 20:23:36 martin Exp
74 #ifndef _SPARC64_SBUS_SBUSVAR_H_
75 #define _SPARC64_SBUS_SBUSVAR_H_
78 * Macros for probe order
80 #define SBUS_ORDER_FIRST 10
81 #define SBUS_ORDER_NORMAL 20
84 * PROM-reported DMA burst sizes for the SBus
86 #define SBUS_BURST_1 (1 << 0)
87 #define SBUS_BURST_2 (1 << 1)
88 #define SBUS_BURST_4 (1 << 2)
89 #define SBUS_BURST_8 (1 << 3)
90 #define SBUS_BURST_16 (1 << 4)
91 #define SBUS_BURST_32 (1 << 5)
92 #define SBUS_BURST_64 (1 << 6)
93 #define SBUS_BURST_MASK ((1 << SBUS_BURST_SIZE) - 1)
94 #define SBUS_BURST_SIZE 16
95 #define SBUS_BURST64_MASK (SBUS_BURST_MASK << SBUS_BURST64_SHIFT)
96 #define SBUS_BURST64_SHIFT 16
98 /* Used if no burst sizes are specified for the bus. */
99 #define SBUS_BURST_DEF \
100 (SBUS_BURST_1 | SBUS_BURST_2 | SBUS_BURST_4 | SBUS_BURST_8 | \
101 SBUS_BURST_16 | SBUS_BURST_32 | SBUS_BURST_64)
102 #define SBUS_BURST64_DEF \
103 (SBUS_BURST_8 | SBUS_BURST_16 | SBUS_BURST_32 | SBUS_BURST_64)
105 enum sbus_device_ivars {
113 * Simplified accessors for sbus devices
115 #define SBUS_ACCESSOR(var, ivar, type) \
116 __BUS_ACCESSOR(sbus, var, SBUS, ivar, type)
118 SBUS_ACCESSOR(burstsz, BURSTSZ, int)
119 SBUS_ACCESSOR(clockfreq, CLOCKFREQ, int)
120 SBUS_ACCESSOR(ign, IGN, int)
121 SBUS_ACCESSOR(slot, SLOT, int)
125 #endif /* _SPARC64_SBUS_SBUSVAR_H_ */