Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / c93f70962ba6a68cb8b829720f74d2328ced6e22 / . / board / evb64260 / zuma_pbb.h
blob: 663e10c978d7ee280e359a5b9762c2748b4ba594 [file] [log] [blame]
wdenkd84c5582002-01-27 00:56:55 +0000[diff] [blame]1#ifndef ZUMA_PBB_H
2#define ZUMA_PBB_H
3
4#define MAX_NUM_BUFFER_PER_RING 32
5
6#ifdef __BIG_ENDIAN
7#define cpu_bits _be_s_bits /* use with le32_to_cpu only */
8#define pci_bits _be_bits /* may contain swapped bytes,
9 but dont need le32_to_cpu */
10#endif
11
12#ifdef __LITTLE_ENDIAN
13#define cpu_bits _le_bits
14#define pci_bits _le_bits
15#endif
16
17#define VENDOR_ID_ZUMA 0x1172
18#define DEVICE_ID_ZUMA_PBB 0x0004
19
20#define RXDBP(chan) (&sip->rx_desc[chan].base) /* ch*8 */
21#define RXDP(chan) (&sip->rx_desc[chan].current) /* ch*8 + 4 */
22#define TXDBP(chan) (&sip->tx_desc[chan].base) /* ch*8 + 64 */
23#define TXDP(chan) (&sip->tx_desc[chan].current) /* ch*8 + 68 */
24
25#define PBB_DMA_OWN_BIT 0x80000000
26#define PBB_DMA_LAST_BIT 0x40000000
27
28#define EOF_RX_FLAG 1 /* bit 0 */
29#define EOB_RX_FLAG 2 /* bit 1 */
30#define EOF_TX_FLAG 4 /* bit 2 */
31#define EOB_TX_FLAG 8 /* bit 3 */
32
33#define TX_MODE(m) (((m)&7) << 16)
34
35#define RX_DESC(i) (cs->rx_desc[i])
36#define TX_DESC(i) (cs->tx_desc[i])
37
38#define RX_CONTROL(i) (RX_DESC(i).control.word)
39#define RX_CONTROL_SIZE(i) (RX_DESC(i).control.rx.size)
40#define TX_CONTROL(i) (TX_DESC(i).control.word)
41
42#define RX_DATA_P(i) (&RX_DESC(i).ptr)
43#define TX_DATA_P(i) (&TX_DESC(i).ptr)
44
45typedef volatile unsigned char V8;
46typedef volatile unsigned short V16;
47typedef volatile unsigned int V32;
48
49/* RAM descriptor layout */
50typedef struct _tag_dma_descriptor {
51 V32 ptr;
52 union {
53 struct {
54 V32 owner:1;
55 V32 last:1;
56 V32 reserved0: 10;
57 V32 tx_mode: 4;
58
59 V32 reserved1: 5;
60 V32 size: 11;
61 } tx;
62 struct {
63 V32 owner:1;
64 V32 last:1;
65 V32 reserved0: 14;
66
67 V32 reserved1: 5;
68 V32 size: 11;
69 } rx;
70 V32 word;
71 } control;
72} DMA_DESCRIPTOR;
73
74/*
75 * NOTE: DO NOT USE structure to write non-word values... all registers
76 * MUST be written 4 bytes at a time in SI version 0.
77 * Non-word writes will result in "unaccessed" bytes written as zero.
78 *
79 * Byte reads are allowed.
80 *
81 * V32 pads are because the registers are spaced every 8 bytes (64 bits)
82 *
83 */
84
85/* NOTE!!! 4 dwords */
86typedef struct _tag_dma_descriptor_ring {
87 DMA_DESCRIPTOR *base;
88 V32 pad1; /* skip high dword */
89 volatile DMA_DESCRIPTOR *current;
90 V32 pad3; /* skip high dword */
91} DMA_DESCRIPTOR_RING;
92
93/* 1 dword */
94typedef union _tag_dma_generic {
95 struct { /* byte 3 2 1 0 */
96 V32 chan7:4; /* bits 31-28 */
97 V32 chan6:4; /* bits 27-24 */
98 V32 chan5:4; /* bits 23-20 */
99 V32 chan4:4; /* bits 19-16 */
100 V32 chan3:4; /* bits 15-12 */
101 V32 chan2:4; /* bits 11-8 */
102 V32 chan1:4; /* bits 7-4 */
103 V32 chan0:4; /* bits 3-0 */
104 } _be_s_bits;
105 struct { /* byte 0 1 2 3 */
106 V32 chan1:4; /* bits 7-4 */
107 V32 chan0:4; /* bits 3-0 */
108 V32 chan3:4; /* bits 15-12 */
109 V32 chan2:4; /* bits 11-8 */
110 V32 chan5:4; /* bits 23-20 */
111 V32 chan4:4; /* bits 19-16 */
112 V32 chan7:4; /* bits 31-28 */
113 V32 chan6:4; /* bits 27-24 */
114 } _be_bits;
115 struct { /* byte 0 1 2 3 */
116 V32 chan0:4; /* bits 0-3 */
117 V32 chan1:4; /* bits 4-7 */
118 V32 chan2:4; /* bits 8-11 */
119 V32 chan3:4; /* bits 12-15 */
120 V32 chan4:4; /* bits 16-19 */
121 V32 chan5:4; /* bits 20-23 */
122 V32 chan6:4; /* bits 24-27 */
123 V32 chan7:4; /* bits 28-31 */
124 } _le_bits;
125 V8 byte[4];
126 V32 word;
127} DMA_RXTX_ENABLE, DMA_RX_DELETE,
128 DMA_INT_STATUS, DMA_INT_MASK,
129 DMA_RX_LEVEL_STATUS, DMA_RX_LEVEL_INT_MASK;
130
131/* 1 dword */
132typedef union _tag_dma_rx_timer{
133 struct {
134 V32 res0:8; /* bits 32-24 */
135 V32 res1:7; /* bits 23-17 */
136 V32 enable:1; /* bit 16 */
137 V32 value:16; /* bits 15-0 */
138 } _be_s_bits;
139 struct {
140 /* crosses byte boundary. must use swap. */
141 V32 s_value:16; /* bits 7-0,15-8 */
142 V32 enable:1; /* bit 16 */
143 V32 res1:7; /* bits 23-17 */
144 V32 res0:8; /* bits 32-24 */
145 } _be_bits;
146 struct {
147 V32 value:16; /* bits 0-15 */
148 V32 enable:1; /* bit 16 */
149 V32 res1:7; /* bits 17-23 */
150 V32 res0:8; /* bits 24-32 */
151 } _le_bits;
152 V8 byte[4];
153 V32 word;
154} DMA_RX_TIMER;
155
156/* NOTE!!!: 2 dwords */
157typedef struct _tag_dma_desc_level{
158 union {
159 struct {
160 V32 res1:8; /* bits 31-24 */
161 V32 res0:7; /* bits 23-17 */
162 V32 write:1; /* bit 16 */
163 V32 thresh:8; /* bits 15-8 */
164 V32 level:8; /* bits 7-0 */
165 } _be_s_bits;
166 struct {
167 V32 level:8; /* bits 7-0 */
168 V32 thresh:8; /* bits 15-8 */
169 V32 res0:7; /* bits 30-17 */
170 V32 write:1; /* bit 16 */
171 V32 res1:8; /* bits 31-24 */
172 } _be_bits;
173 struct {
174 V32 level:8; /* bits 0-7 */
175 V32 thresh:8; /* bits 8-15 */
176 V32 write:1; /* bit 16 */
177 V32 res0:7; /* bit 17-30 */
178 V32 res1:8; /* bits 24-31 */
179 } _le_bits;
180 V8 byte[4];
181 V32 word;
182 } desc;
183 V32 pad1;
184} DMA_DESC_LEVEL;
185
186typedef struct _tag_pbb_dma_reg_map {
187 /* 0-15 (0x000-0x078) */
188 DMA_DESCRIPTOR_RING rx_desc[8]; /* 4 dwords each, 128 bytes tot. */
189
190 /* 16-31 (0x080-0x0f8) */
191 DMA_DESCRIPTOR_RING tx_desc[8]; /* 4 dwords each, 128 bytes tot. */
192
193 /* 32/33 (0x100/0x108) */
194 V32 reserved_32;
195 V32 pad_32;
196 V32 reserved_33;
197 V32 pad_33;
198
199 /* 34 (0x110) */
200 DMA_RXTX_ENABLE rxtx_enable;
201 V32 pad_34;
202
203 /* 35 (0x118) */
204 DMA_RX_DELETE rx_delete;
205 V32 pad_35;
206
207 /* 36-38 (0x120-0x130) */
208 DMA_INT_STATUS status;
209 V32 pad_36;
210 DMA_INT_STATUS last_status;
211 V32 pad_37;
212 DMA_INT_MASK int_mask;
213 V32 pad_38;
214
215 /* 39/40 (0x138/0x140) */
216 union {
217 /* NOTE!! 4 dwords */
218 struct {
219 V32 channel_3:8;
220 V32 channel_2:8;
221 V32 channel_1:8;
222 V32 channel_0:8;
223 V32 pad1;
224 V32 channel_7:8;
225 V32 channel_6:8;
226 V32 channel_5:8;
227 V32 channel_4:8;
228 V32 pad3;
229 } _be_s_bits;
230 struct {
231 V32 channel_0:8;
232 V32 channel_1:8;
233 V32 channel_2:8;
234 V32 channel_3:8;
235 V32 pad1;
236 V32 channel_4:8;
237 V32 channel_5:8;
238 V32 channel_6:8;
239 V32 channel_7:8;
240 V32 pad3;
241 } _be_bits, _le_bits;
242 V8 byte[16];
243 V32 word[4];
244 } rx_size;
245
246 /* 41/42 (0x148/0x150) */
247 V32 reserved_41;
248 V32 pad_41;
249 V32 reserved_42;
250 V32 pad_42;
251
252 /* 43/44 (0x158/0x160) */
253 DMA_RX_LEVEL_STATUS rx_level_status;
254 V32 pad_43;
255 DMA_RX_LEVEL_INT_MASK rx_level_int_mask;
256 V32 pad_44;
257
258 /* 45 (0x168) */
259 DMA_RX_TIMER rx_timer;
260 V32 pad_45;
261
262 /* 46 (0x170) */
263 V32 reserved_46;
264 V32 pad_46;
265
266 /* 47 (0x178) */
267 V32 mbox_status;
268 V32 pad_47;
269
270 /* 48/49 (0x180/0x188) */
271 V32 mbox_out;
272 V32 pad_48;
273 V32 mbox_in;
274 V32 pad_49;
275
276 /* 50 (0x190) */
277 V32 config;
278 V32 pad_50;
279
280 /* 51/52 (0x198/0x1a0) */
281 V32 c2a_ctr;
282 V32 pad_51;
283 V32 a2c_ctr;
284 V32 pad_52;
285
286 /* 53 (0x1a8) */
287 union {
288 struct {
289 V32 rev_major:8; /* bits 31-24 */
290 V32 rev_minor:8; /* bits 23-16 */
291 V32 reserved:16; /* bits 15-0 */
292 } _be_s_bits;
293 struct {
294 V32 s_reserved:16; /* bits 7-0, 15-8 */
295 V32 rev_minor:8; /* bits 23-16 */
296 V32 rev_major:8; /* bits 31-24 */
297 } _be_bits;
298 struct {
299 V32 reserved:16; /* bits 0-15 */
300 V32 rev_minor:8; /* bits 16-23 */
301 V32 rev_major:8; /* bits 24-31 */
302 } _le_bits;
303 V8 byte[4];
304 V32 word;
305 } version;
306 V32 pad_53;
307
308 /* 54-59 (0x1b0-0x1d8) */
309 V32 debug_54;
310 V32 pad_54;
311 V32 debug_55;
312 V32 pad_55;
313 V32 debug_56;
314 V32 pad_56;
315 V32 debug_57;
316 V32 pad_57;
317 V32 debug_58;
318 V32 pad_58;
319 V32 debug_59;
320 V32 pad_59;
321
322 /* 60 (0x1e0) */
323 V32 timestamp;
324 V32 pad_60;
325
326 /* 61-63 (0x1e8-0x1f8) */
327 V32 debug_61;
328 V32 pad_61;
329 V32 debug_62;
330 V32 pad_62;
331 V32 debug_63;
332 V32 pad_63;
333
334 /* 64-71 (0x200 - 0x238) */
335 DMA_DESC_LEVEL rx_desc_level[8]; /* 2 dwords each, 32 bytes tot. */
336
337 /* 72-98 (0x240 - 0x2f8) */
338 /* reserved */
339
340 /* 96-127 (0x300 - 0x3f8) */
341 /* mirrors (0x100 - 0x1f8) */
342
343} PBB_DMA_REG_MAP;
344
345
346#endif /* ZUMA_PBB_H */