1 //*****************************************************************************
\r
3 // hw_udma.h - Macros for use in accessing the UDMA registers.
\r
5 // Copyright (c) 2007-2008 Luminary Micro, Inc. All rights reserved.
\r
7 // Software License Agreement
\r
9 // Luminary Micro, Inc. (LMI) is supplying this software for use solely and
\r
10 // exclusively on LMI's microcontroller products.
\r
12 // The software is owned by LMI and/or its suppliers, and is protected under
\r
13 // applicable copyright laws. All rights are reserved. You may not combine
\r
14 // this software with "viral" open-source software in order to form a larger
\r
15 // program. Any use in violation of the foregoing restrictions may subject
\r
16 // the user to criminal sanctions under applicable laws, as well as to civil
\r
17 // liability for the breach of the terms and conditions of this license.
\r
19 // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
\r
20 // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
\r
21 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
\r
22 // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
\r
23 // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
\r
25 // This is part of revision 2523 of the Stellaris Peripheral Driver Library.
\r
27 //*****************************************************************************
\r
29 #ifndef __HW_UDMA_H__
\r
30 #define __HW_UDMA_H__
\r
32 //*****************************************************************************
\r
34 // The following are defines for the Micro Direct Memory Access (uDMA) offsets.
\r
36 //*****************************************************************************
\r
37 #define UDMA_STAT 0x400FF000 // DMA Status
\r
38 #define UDMA_CFG 0x400FF004 // DMA Configuration
\r
39 #define UDMA_CTLBASE 0x400FF008 // DMA Channel Control Base Pointer
\r
40 #define UDMA_ALTBASE 0x400FF00C // DMA Alternate Channel Control
\r
42 #define UDMA_WAITSTAT 0x400FF010 // DMA Channel Wait on Request
\r
44 #define UDMA_SWREQ 0x400FF014 // DMA Channel Software Request
\r
45 #define UDMA_USEBURSTSET 0x400FF018 // DMA Channel Useburst Set
\r
46 #define UDMA_USEBURSTCLR 0x400FF01C // DMA Channel Useburst Clear
\r
47 #define UDMA_REQMASKSET 0x400FF020 // DMA Channel Request Mask Set
\r
48 #define UDMA_REQMASKCLR 0x400FF024 // DMA Channel Request Mask Clear
\r
49 #define UDMA_ENASET 0x400FF028 // DMA Channel Enable Set
\r
50 #define UDMA_ENACLR 0x400FF02C // DMA Channel Enable Clear
\r
51 #define UDMA_ALTSET 0x400FF030 // DMA Channel Primary Alternate
\r
53 #define UDMA_ALTCLR 0x400FF034 // DMA Channel Primary Alternate
\r
55 #define UDMA_PRIOSET 0x400FF038 // DMA Channel Priority Set
\r
56 #define UDMA_PRIOCLR 0x400FF03C // DMA Channel Priority Clear
\r
57 #define UDMA_ERRCLR 0x400FF04C // DMA Bus Error Clear
\r
59 //*****************************************************************************
\r
61 // Micro Direct Memory Access (uDMA) offsets.
\r
63 //*****************************************************************************
\r
64 #define UDMA_O_SRCENDP 0x00000000 // DMA Channel Source Address End
\r
66 #define UDMA_O_DSTENDP 0x00000004 // DMA Channel Destination Address
\r
68 #define UDMA_O_CHCTL 0x00000008 // DMA Channel Control Word
\r
70 //*****************************************************************************
\r
72 // The following are defines for the bit fields in the UDMA_O_SRCENDP register.
\r
74 //*****************************************************************************
\r
75 #define UDMA_SRCENDP_ADDR_M 0xFFFFFFFF // Source Address End Pointer.
\r
76 #define UDMA_SRCENDP_ADDR_S 0
\r
78 //*****************************************************************************
\r
80 // The following are defines for the bit fields in the UDMA_STAT register.
\r
82 //*****************************************************************************
\r
83 #define UDMA_STAT_DMACHANS_M 0x001F0000 // Available DMA Channels Minus 1.
\r
84 #define UDMA_STAT_STATE_M 0x000000F0 // Control State Machine State.
\r
85 #define UDMA_STAT_STATE_IDLE 0x00000000 // Idle
\r
86 #define UDMA_STAT_STATE_RD_CTRL 0x00000010 // Reading channel controller data
\r
87 #define UDMA_STAT_STATE_RD_SRCENDP \
\r
88 0x00000020 // Reading source end pointer
\r
89 #define UDMA_STAT_STATE_RD_DSTENDP \
\r
90 0x00000030 // Reading destination end pointer
\r
91 #define UDMA_STAT_STATE_RD_SRCDAT \
\r
92 0x00000040 // Reading source data
\r
93 #define UDMA_STAT_STATE_WR_DSTDAT \
\r
94 0x00000050 // Writing destination data
\r
95 #define UDMA_STAT_STATE_WAIT 0x00000060 // Waiting for DMA request to clear
\r
96 #define UDMA_STAT_STATE_WR_CTRL 0x00000070 // Writing channel controller data
\r
97 #define UDMA_STAT_STATE_STALL 0x00000080 // Stalled
\r
98 #define UDMA_STAT_STATE_DONE 0x00000090 // Done
\r
99 #define UDMA_STAT_STATE_UNDEF 0x000000A0 // Undefined
\r
100 #define UDMA_STAT_MASTEN 0x00000001 // Master Enable.
\r
101 #define UDMA_STAT_DMACHANS_S 16
\r
103 //*****************************************************************************
\r
105 // The following are defines for the bit fields in the UDMA_O_DSTENDP register.
\r
107 //*****************************************************************************
\r
108 #define UDMA_DSTENDP_ADDR_M 0xFFFFFFFF // Destination Address End Pointer.
\r
109 #define UDMA_DSTENDP_ADDR_S 0
\r
111 //*****************************************************************************
\r
113 // The following are defines for the bit fields in the UDMA_CFG register.
\r
115 //*****************************************************************************
\r
116 #define UDMA_CFG_MASTEN 0x00000001 // Controller Master Enable.
\r
118 //*****************************************************************************
\r
120 // The following are defines for the bit fields in the UDMA_CTLBASE register.
\r
122 //*****************************************************************************
\r
123 #define UDMA_CTLBASE_ADDR_M 0xFFFFFC00 // Channel Control Base Address.
\r
124 #define UDMA_CTLBASE_ADDR_S 10
\r
126 //*****************************************************************************
\r
128 // The following are defines for the bit fields in the UDMA_O_CHCTL register.
\r
130 //*****************************************************************************
\r
131 #define UDMA_CHCTL_DSTINC_M 0xC0000000 // Destination Address Increment.
\r
132 #define UDMA_CHCTL_DSTINC_8 0x00000000 // Byte
\r
133 #define UDMA_CHCTL_DSTINC_16 0x40000000 // Half-word
\r
134 #define UDMA_CHCTL_DSTINC_32 0x80000000 // Word
\r
135 #define UDMA_CHCTL_DSTINC_NONE 0xC0000000 // No increment
\r
136 #define UDMA_CHCTL_DSTSIZE_M 0x30000000 // Destination Data Size.
\r
137 #define UDMA_CHCTL_DSTSIZE_8 0x00000000 // Byte
\r
138 #define UDMA_CHCTL_DSTSIZE_16 0x10000000 // Half-word
\r
139 #define UDMA_CHCTL_DSTSIZE_32 0x20000000 // Word
\r
140 #define UDMA_CHCTL_SRCINC_M 0x0C000000 // Source Address Increment.
\r
141 #define UDMA_CHCTL_SRCINC_8 0x00000000 // Byte
\r
142 #define UDMA_CHCTL_SRCINC_16 0x04000000 // Half-word
\r
143 #define UDMA_CHCTL_SRCINC_32 0x08000000 // Word
\r
144 #define UDMA_CHCTL_SRCINC_NONE 0x0C000000 // No increment
\r
145 #define UDMA_CHCTL_SRCSIZE_M 0x03000000 // Source Data Size.
\r
146 #define UDMA_CHCTL_SRCSIZE_8 0x00000000 // Byte
\r
147 #define UDMA_CHCTL_SRCSIZE_16 0x01000000 // Half-word
\r
148 #define UDMA_CHCTL_SRCSIZE_32 0x02000000 // Word
\r
149 #define UDMA_CHCTL_ARBSIZE_M 0x0003C000 // Arbitration Size.
\r
150 #define UDMA_CHCTL_ARBSIZE_1 0x00000000 // 1 Transfer
\r
151 #define UDMA_CHCTL_ARBSIZE_2 0x00004000 // 2 Transfers
\r
152 #define UDMA_CHCTL_ARBSIZE_4 0x00008000 // 4 Transfers
\r
153 #define UDMA_CHCTL_ARBSIZE_8 0x0000C000 // 8 Transfers
\r
154 #define UDMA_CHCTL_ARBSIZE_16 0x00010000 // 16 Transfers
\r
155 #define UDMA_CHCTL_ARBSIZE_32 0x00014000 // 32 Transfers
\r
156 #define UDMA_CHCTL_ARBSIZE_64 0x00018000 // 64 Transfers
\r
157 #define UDMA_CHCTL_ARBSIZE_128 0x0001C000 // 128 Transfers
\r
158 #define UDMA_CHCTL_ARBSIZE_256 0x00020000 // 256 Transfers
\r
159 #define UDMA_CHCTL_ARBSIZE_512 0x00024000 // 512 Transfers
\r
160 #define UDMA_CHCTL_ARBSIZE_1024 0x00028000 // 1024 Transfers
\r
161 #define UDMA_CHCTL_XFERSIZE_M 0x00003FF0 // Transfer Size (minus 1).
\r
162 #define UDMA_CHCTL_NXTUSEBURST 0x00000008 // Next Useburst.
\r
163 #define UDMA_CHCTL_XFERMODE_M 0x00000007 // DMA Transfer Mode.
\r
164 #define UDMA_CHCTL_XFERMODE_STOP \
\r
166 #define UDMA_CHCTL_XFERMODE_BASIC \
\r
167 0x00000001 // Basic
\r
168 #define UDMA_CHCTL_XFERMODE_AUTO \
\r
169 0x00000002 // Auto-Request
\r
170 #define UDMA_CHCTL_XFERMODE_PINGPONG \
\r
171 0x00000003 // Ping-Pong
\r
172 #define UDMA_CHCTL_XFERMODE_MEM_SG \
\r
173 0x00000004 // Memory Scatter-Gather
\r
174 #define UDMA_CHCTL_XFERMODE_MEM_SGA \
\r
175 0x00000005 // Alternate Memory Scatter-Gather
\r
176 #define UDMA_CHCTL_XFERMODE_PER_SG \
\r
177 0x00000006 // Peripheral Scatter-Gather
\r
178 #define UDMA_CHCTL_XFERMODE_PER_SGA \
\r
179 0x00000007 // Alternate Peripheral
\r
181 #define UDMA_CHCTL_XFERSIZE_S 4
\r
183 //*****************************************************************************
\r
185 // The following are defines for the bit fields in the UDMA_ALTBASE register.
\r
187 //*****************************************************************************
\r
188 #define UDMA_ALTBASE_ADDR_M 0xFFFFFFFF // Alternate Channel Address
\r
190 #define UDMA_ALTBASE_ADDR_S 0
\r
192 //*****************************************************************************
\r
194 // The following are defines for the bit fields in the UDMA_WAITSTAT register.
\r
196 //*****************************************************************************
\r
197 #define UDMA_WAITSTAT_WAITREQ_M 0xFFFFFFFF // Channel [n] Wait Status.
\r
198 #define UDMA_WAITSTAT_WAITREQ_S 0
\r
200 //*****************************************************************************
\r
202 // The following are defines for the bit fields in the UDMA_SWREQ register.
\r
204 //*****************************************************************************
\r
205 #define UDMA_SWREQ_M 0xFFFFFFFF // Channel [n] Software Request.
\r
206 #define UDMA_SWREQ_S 0
\r
208 //*****************************************************************************
\r
210 // The following are defines for the bit fields in the UDMA_USEBURSTSET
\r
213 //*****************************************************************************
\r
214 #define UDMA_USEBURSTSET_SET_M 0xFFFFFFFF // Channel [n] Useburst Set.
\r
215 #define UDMA_USEBURSTSET_SET__0 0x00000000 // No Effect
\r
216 #define UDMA_USEBURSTSET_SET__1 0x00000001 // Burst Only
\r
218 //*****************************************************************************
\r
220 // The following are defines for the bit fields in the UDMA_USEBURSTCLR
\r
223 //*****************************************************************************
\r
224 #define UDMA_USEBURSTCLR_CLR_M 0xFFFFFFFF // Channel [n] Useburst Clear.
\r
225 #define UDMA_USEBURSTCLR_CLR__0 0x00000000 // No Effect
\r
226 #define UDMA_USEBURSTCLR_CLR__1 0x00000001 // Single and Burst
\r
228 //*****************************************************************************
\r
230 // The following are defines for the bit fields in the UDMA_REQMASKSET
\r
233 //*****************************************************************************
\r
234 #define UDMA_REQMASKSET_SET_M 0xFFFFFFFF // Channel [n] Request Mask Set.
\r
235 #define UDMA_REQMASKSET_SET__0 0x00000000 // No Effect
\r
236 #define UDMA_REQMASKSET_SET__1 0x00000001 // Masked
\r
238 //*****************************************************************************
\r
240 // The following are defines for the bit fields in the UDMA_REQMASKCLR
\r
243 //*****************************************************************************
\r
244 #define UDMA_REQMASKCLR_CLR_M 0xFFFFFFFF // Channel [n] Request Mask Clear.
\r
245 #define UDMA_REQMASKCLR_CLR__0 0x00000000 // No Effect
\r
246 #define UDMA_REQMASKCLR_CLR__1 0x00000001 // Clear Mask
\r
248 //*****************************************************************************
\r
250 // The following are defines for the bit fields in the UDMA_ENASET register.
\r
252 //*****************************************************************************
\r
253 #define UDMA_ENASET_SET_M 0xFFFFFFFF // Channel [n] Enable Set.
\r
254 #define UDMA_ENASET_SET__0 0x00000000 // Disabled
\r
255 #define UDMA_ENASET_SET__1 0x00000001 // Enabled
\r
256 #define UDMA_ENASET_CHENSET_M 0xFFFFFFFF // Channel [n] Enable Set.
\r
257 #define UDMA_ENASET_CHENSET__0 0x00000000 // No Effect
\r
258 #define UDMA_ENASET_CHENSET__1 0x00000001 // Enable
\r
260 //*****************************************************************************
\r
262 // The following are defines for the bit fields in the UDMA_ENACLR register.
\r
264 //*****************************************************************************
\r
265 #define UDMA_ENACLR_CLR_M 0xFFFFFFFF // Clear Channel [n] Enable.
\r
266 #define UDMA_ENACLR_CLR__0 0x00000000 // No Effect
\r
267 #define UDMA_ENACLR_CLR__1 0x00000001 // Disable
\r
269 //*****************************************************************************
\r
271 // The following are defines for the bit fields in the UDMA_ALTSET register.
\r
273 //*****************************************************************************
\r
274 #define UDMA_ALTSET_SET_M 0xFFFFFFFF // Channel [n] Alternate Set.
\r
275 #define UDMA_ALTSET_SET__0 0x00000000 // No Effect
\r
276 #define UDMA_ALTSET_SET__1 0x00000001 // Alternate
\r
278 //*****************************************************************************
\r
280 // The following are defines for the bit fields in the UDMA_ALTCLR register.
\r
282 //*****************************************************************************
\r
283 #define UDMA_ALTCLR_CLR_M 0xFFFFFFFF // Channel [n] Alternate Clear.
\r
284 #define UDMA_ALTCLR_CLR__0 0x00000000 // No Effect
\r
285 #define UDMA_ALTCLR_CLR__1 0x00000001 // Primary
\r
287 //*****************************************************************************
\r
289 // The following are defines for the bit fields in the UDMA_PRIOSET register.
\r
291 //*****************************************************************************
\r
292 #define UDMA_PRIOSET_SET_M 0xFFFFFFFF // Channel [n] Priority Set.
\r
293 #define UDMA_PRIOSET_SET__0 0x00000000 // No Effect
\r
294 #define UDMA_PRIOSET_SET__1 0x00000001 // High Priority
\r
296 //*****************************************************************************
\r
298 // The following are defines for the bit fields in the UDMA_PRIOCLR register.
\r
300 //*****************************************************************************
\r
301 #define UDMA_PRIOCLR_CLR_M 0xFFFFFFFF // Channel [n] Priority Clear.
\r
302 #define UDMA_PRIOCLR_CLR__0 0x00000000 // No Effect
\r
303 #define UDMA_PRIOCLR_CLR__1 0x00000001 // Default Priority
\r
305 //*****************************************************************************
\r
307 // The following are defines for the bit fields in the UDMA_ERRCLR register.
\r
309 //*****************************************************************************
\r
310 #define UDMA_ERRCLR_ERRCLR 0x00000001 // DMA Bus Error Status.
\r
312 #endif // __HW_UDMA_H__
\r