RTEMS  5.1
vme_am_defs.h
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1 
9 #ifndef VME_AM_DEFINITIONS_H
10 #define VME_AM_DEFINITIONS_H
11 
12 /*
13  * Authorship
14  * ----------
15  * This software was created by
16  * Till Straumann <strauman@slac.stanford.edu>, 2002-2007,
17  * Stanford Linear Accelerator Center, Stanford University.
18  *
19  * Acknowledgement of sponsorship
20  * ------------------------------
21  * This software was produced by
22  * the Stanford Linear Accelerator Center, Stanford University,
23  * under Contract DE-AC03-76SFO0515 with the Department of Energy.
24  *
25  * Government disclaimer of liability
26  * ----------------------------------
27  * Neither the United States nor the United States Department of Energy,
28  * nor any of their employees, makes any warranty, express or implied, or
29  * assumes any legal liability or responsibility for the accuracy,
30  * completeness, or usefulness of any data, apparatus, product, or process
31  * disclosed, or represents that its use would not infringe privately owned
32  * rights.
33  *
34  * Stanford disclaimer of liability
35  * --------------------------------
36  * Stanford University makes no representations or warranties, express or
37  * implied, nor assumes any liability for the use of this software.
38  *
39  * Stanford disclaimer of copyright
40  * --------------------------------
41  * Stanford University, owner of the copyright, hereby disclaims its
42  * copyright and all other rights in this software. Hence, anyone may
43  * freely use it for any purpose without restriction.
44  *
45  * Maintenance of notices
46  * ----------------------
47  * In the interest of clarity regarding the origin and status of this
48  * SLAC software, this and all the preceding Stanford University notices
49  * are to remain affixed to any copy or derivative of this software made
50  * or distributed by the recipient and are to be affixed to any copy of
51  * software made or distributed by the recipient that contains a copy or
52  * derivative of this software.
53  *
54  * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
55  */
56 
65 #ifndef VME_AM_STD_SUP_BLT
66 #define VME_AM_STD_SUP_BLT 0x3f
67 #endif
68 #ifndef VME_AM_STD_SUP_ASCENDING
69 #define VME_AM_STD_SUP_ASCENDING 0x3f
70 #endif
71 #ifndef VME_AM_STD_SUP_PGM
72 #define VME_AM_STD_SUP_PGM 0x3e
73 #endif
74 #ifndef VME_AM_STD_SUP_MBLT
75 #define VME_AM_STD_SUP_MBLT 0x3c
76 #endif
77 #ifndef VME_AM_STD_USR_BLT
78 #define VME_AM_STD_USR_BLT 0x3b
79 #endif
80 #ifndef VME_AM_STD_USR_ASCENDING
81 #define VME_AM_STD_USR_ASCENDING 0x3b
82 #endif
83 #ifndef VME_AM_STD_USR_PGM
84 #define VME_AM_STD_USR_PGM 0x3a
85 #endif
86 #ifndef VME_AM_STD_SUP_DATA
87 #define VME_AM_STD_SUP_DATA 0x3d
88 #endif
89 #ifndef VME_AM_STD_USR_DATA
90 #define VME_AM_STD_USR_DATA 0x39
91 #endif
92 #ifndef VME_AM_STD_USR_MBLT
93 #define VME_AM_STD_USR_MBLT 0x38
94 #endif
95 #ifndef VME_AM_EXT_SUP_BLT
96 #define VME_AM_EXT_SUP_BLT 0x0f
97 #endif
98 #ifndef VME_AM_EXT_SUP_ASCENDING
99 #define VME_AM_EXT_SUP_ASCENDING 0x0f
100 #endif
101 #ifndef VME_AM_EXT_SUP_PGM
102 #define VME_AM_EXT_SUP_PGM 0x0e
103 #endif
104 #ifndef VME_AM_EXT_SUP_DATA
105 #define VME_AM_EXT_SUP_DATA 0x0d
106 #endif
107 #ifndef VME_AM_EXT_SUP_MBLT
108 #define VME_AM_EXT_SUP_MBLT 0x0c
109 #endif
110 #ifndef VME_AM_EXT_USR_BLT
111 #define VME_AM_EXT_USR_BLT 0x0b
112 #endif
113 #ifndef VME_AM_EXT_USR_ASCENDING
114 #define VME_AM_EXT_USR_ASCENDING 0x0b
115 #endif
116 #ifndef VME_AM_EXT_USR_PGM
117 #define VME_AM_EXT_USR_PGM 0x0a
118 #endif
119 #ifndef VME_AM_EXT_USR_DATA
120 #define VME_AM_EXT_USR_DATA 0x09
121 #endif
122 #ifndef VME_AM_EXT_USR_MBLT
123 #define VME_AM_EXT_USR_MBLT 0x08
124 #endif
125 #ifndef VME_AM_2eVME_6U
126 #define VME_AM_2eVME_6U 0x20
127 #endif
128 #ifndef VME_AM_2eVME_3U
129 #define VME_AM_2eVME_3U 0x21
130 #endif
131 #ifndef VME_AM_CSR
132 #define VME_AM_CSR 0x2f
133 #endif
134 #ifndef VME_AM_SUP_SHORT_IO
135 #define VME_AM_SUP_SHORT_IO 0x2d
136 #endif
137 #ifndef VME_AM_USR_SHORT_IO
138 #define VME_AM_USR_SHORT_IO 0x29
139 #endif
140 #ifndef VME_AM_IS_SHORT
141 #define VME_AM_IS_SHORT(a) (((a) & 0x30) == 0x20)
142 #endif
143 #ifndef VME_AM_IS_STD
144 #define VME_AM_IS_STD(a) (((a) & 0x30) == 0x30)
145 #endif
146 #ifndef VME_AM_IS_EXT
147 #define VME_AM_IS_EXT(a) (((a) & 0x30) == 0x00)
148 #endif
149 #ifndef VME_AM_IS_SUP
150 #define VME_AM_IS_SUP(a) ((a) & 4)
151 #endif
152 
153 /* Mask for standard address modifiers */
154 
155 #ifndef VME_AM_MASK
156 #define VME_AM_MASK 0x3f
157 #endif
158 
159 /* Hint that a window is mapping memory; the
160  * driver may assume it to be safe to enable decoupled
161  * cycles, caching and the like...
162  */
163 #ifndef VME_AM_IS_MEMORY
164 #define VME_AM_IS_MEMORY (1<<8)
165 #endif
166 
167 /* I don't know AMs for 2eSST so we use some extra bits;
168  * HOWEVER: these are just qualifiers to the VME_AM_2eVME_xx modes
169  * i.e., if you want 2eSST you must also select 2eVME...
170  */
171 
172 /* 2eSST broadcast; you still need to set one of the speed bits */
173 #define VME_AM_2eSST_BCST (1<<9)
174 /* Low speed (driver specific) */
175 #define VME_AM_2eSST_LO (1<<10)
176 /* Mid speed (driver specific) */
177 #define VME_AM_2eSST_MID (2<<10)
178 /* High speed (driver specific) */
179 #define VME_AM_2eSST_HI (3<<10)
180 
181 #define VME_AM_IS_2eSST(am) ((am) & (3<<10))
182 
183 /* Use 8/16/32-bit transfers for coupled- or BLT cycles
184  * (MBLT, 2exxx are probably always 64-bit)
185  */
186 #define VME_MODE_DBW_MSK (3<<12)
187 #define VME_MODE_DBW8 (1<<12)
188 #define VME_MODE_DBW16 (2<<12)
189 #define VME_MODE_DBW32 (3<<12)
190 
191 /* Unused Flags 1<<14 .. 1<<23 are reserved
192  *
193  * (20-23 used by DMA API).
194  * Flags 1<<24 .. 1<<31 are for driver specific options
195  */
196 
197 
198 #endif
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