xref: /openbmc/linux/drivers/rapidio/devices/tsi721.h (revision b34e08d5)
1 /*
2  * Tsi721 PCIExpress-to-SRIO bridge definitions
3  *
4  * Copyright 2011, Integrated Device Technology, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the Free
8  * Software Foundation; either version 2 of the License, or (at your option)
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program; if not, write to the Free Software Foundation, Inc., 59
18  * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  */
20 
21 #ifndef __TSI721_H
22 #define __TSI721_H
23 
24 #define DRV_NAME	"tsi721"
25 
26 #define DEFAULT_HOPCOUNT	0xff
27 #define DEFAULT_DESTID		0xff
28 
29 /* PCI device ID */
30 #define PCI_DEVICE_ID_TSI721		0x80ab
31 
32 #define BAR_0	0
33 #define BAR_1	1
34 #define BAR_2	2
35 #define BAR_4	4
36 
37 #define TSI721_PC2SR_BARS	2
38 #define TSI721_PC2SR_WINS	8
39 #define TSI721_PC2SR_ZONES	8
40 #define TSI721_MAINT_WIN	0 /* Window for outbound maintenance requests */
41 #define IDB_QUEUE		0 /* Inbound Doorbell Queue to use */
42 #define IDB_QSIZE		512 /* Inbound Doorbell Queue size */
43 
44 /* Memory space sizes */
45 #define TSI721_REG_SPACE_SIZE		(512 * 1024) /* 512K */
46 #define TSI721_DB_WIN_SIZE		(16 * 1024 * 1024) /* 16MB */
47 
48 #define  RIO_TT_CODE_8		0x00000000
49 #define  RIO_TT_CODE_16		0x00000001
50 
51 #define TSI721_DMA_MAXCH	8
52 #define TSI721_DMA_MINSTSSZ	32
53 #define TSI721_DMA_STSBLKSZ	8
54 
55 #define TSI721_SRIO_MAXCH	8
56 
57 #define DBELL_SID(buf)		(((u8)buf[2] << 8) | (u8)buf[3])
58 #define DBELL_TID(buf)		(((u8)buf[4] << 8) | (u8)buf[5])
59 #define DBELL_INF(buf)		(((u8)buf[0] << 8) | (u8)buf[1])
60 
61 #define TSI721_RIO_PW_MSG_SIZE	16  /* Tsi721 saves only 16 bytes of PW msg */
62 
63 /* Register definitions */
64 
65 /*
66  * Registers in PCIe configuration space
67  */
68 
69 #define TSI721_PCIECFG_MSIXTBL	0x0a4
70 #define TSI721_MSIXTBL_OFFSET	0x2c000
71 #define TSI721_PCIECFG_MSIXPBA	0x0a8
72 #define TSI721_MSIXPBA_OFFSET	0x2a000
73 #define TSI721_PCIECFG_EPCTL	0x400
74 
75 #define MAX_READ_REQUEST_SZ_SHIFT	12
76 
77 /*
78  * Event Management Registers
79  */
80 
81 #define TSI721_RIO_EM_INT_STAT		0x10910
82 #define TSI721_RIO_EM_INT_STAT_PW_RX	0x00010000
83 
84 #define TSI721_RIO_EM_INT_ENABLE	0x10914
85 #define TSI721_RIO_EM_INT_ENABLE_PW_RX	0x00010000
86 
87 #define TSI721_RIO_EM_DEV_INT_EN	0x10930
88 #define TSI721_RIO_EM_DEV_INT_EN_INT	0x00000001
89 
90 /*
91  * Port-Write Block Registers
92  */
93 
94 #define TSI721_RIO_PW_CTL		0x10a04
95 #define TSI721_RIO_PW_CTL_PW_TIMER	0xf0000000
96 #define TSI721_RIO_PW_CTL_PWT_DIS	(0 << 28)
97 #define TSI721_RIO_PW_CTL_PWT_103	(1 << 28)
98 #define TSI721_RIO_PW_CTL_PWT_205	(1 << 29)
99 #define TSI721_RIO_PW_CTL_PWT_410	(1 << 30)
100 #define TSI721_RIO_PW_CTL_PWT_820	(1 << 31)
101 #define TSI721_RIO_PW_CTL_PWC_MODE	0x01000000
102 #define TSI721_RIO_PW_CTL_PWC_CONT	0x00000000
103 #define TSI721_RIO_PW_CTL_PWC_REL	0x01000000
104 
105 #define TSI721_RIO_PW_RX_STAT		0x10a10
106 #define TSI721_RIO_PW_RX_STAT_WR_SIZE	0x0000f000
107 #define TSI_RIO_PW_RX_STAT_WDPTR	0x00000100
108 #define TSI721_RIO_PW_RX_STAT_PW_SHORT	0x00000008
109 #define TSI721_RIO_PW_RX_STAT_PW_TRUNC	0x00000004
110 #define TSI721_RIO_PW_RX_STAT_PW_DISC	0x00000002
111 #define TSI721_RIO_PW_RX_STAT_PW_VAL	0x00000001
112 
113 #define TSI721_RIO_PW_RX_CAPT(x)	(0x10a20 + (x)*4)
114 
115 /*
116  * Inbound Doorbells
117  */
118 
119 #define TSI721_IDB_ENTRY_SIZE	64
120 
121 #define TSI721_IDQ_CTL(x)	(0x20000 + (x) * 0x1000)
122 #define TSI721_IDQ_SUSPEND	0x00000002
123 #define TSI721_IDQ_INIT		0x00000001
124 
125 #define TSI721_IDQ_STS(x)	(0x20004 + (x) * 0x1000)
126 #define TSI721_IDQ_RUN		0x00200000
127 
128 #define TSI721_IDQ_MASK(x)	(0x20008 + (x) * 0x1000)
129 #define TSI721_IDQ_MASK_MASK	0xffff0000
130 #define TSI721_IDQ_MASK_PATT	0x0000ffff
131 
132 #define TSI721_IDQ_RP(x)	(0x2000c + (x) * 0x1000)
133 #define TSI721_IDQ_RP_PTR	0x0007ffff
134 
135 #define TSI721_IDQ_WP(x)	(0x20010 + (x) * 0x1000)
136 #define TSI721_IDQ_WP_PTR	0x0007ffff
137 
138 #define TSI721_IDQ_BASEL(x)	(0x20014 + (x) * 0x1000)
139 #define TSI721_IDQ_BASEL_ADDR	0xffffffc0
140 #define TSI721_IDQ_BASEU(x)	(0x20018 + (x) * 0x1000)
141 #define TSI721_IDQ_SIZE(x)	(0x2001c + (x) * 0x1000)
142 #define TSI721_IDQ_SIZE_VAL(size)	(__fls(size) - 4)
143 #define TSI721_IDQ_SIZE_MIN	512
144 #define TSI721_IDQ_SIZE_MAX	(512 * 1024)
145 
146 #define TSI721_SR_CHINT(x)	(0x20040 + (x) * 0x1000)
147 #define TSI721_SR_CHINTE(x)	(0x20044 + (x) * 0x1000)
148 #define TSI721_SR_CHINTSET(x)	(0x20048 + (x) * 0x1000)
149 #define TSI721_SR_CHINT_ODBOK	0x00000020
150 #define TSI721_SR_CHINT_IDBQRCV	0x00000010
151 #define TSI721_SR_CHINT_SUSP	0x00000008
152 #define TSI721_SR_CHINT_ODBTO	0x00000004
153 #define TSI721_SR_CHINT_ODBRTRY	0x00000002
154 #define TSI721_SR_CHINT_ODBERR	0x00000001
155 #define TSI721_SR_CHINT_ALL	0x0000003f
156 
157 #define TSI721_IBWIN_NUM	8
158 
159 #define TSI721_IBWIN_LB(x)	(0x29000 + (x) * 0x20)
160 #define TSI721_IBWIN_LB_BA	0xfffff000
161 #define TSI721_IBWIN_LB_WEN	0x00000001
162 
163 #define TSI721_IBWIN_UB(x)	(0x29004 + (x) * 0x20)
164 #define TSI721_IBWIN_SZ(x)	(0x29008 + (x) * 0x20)
165 #define TSI721_IBWIN_SZ_SIZE	0x00001f00
166 #define TSI721_IBWIN_SIZE(size)	(__fls(size) - 12)
167 
168 #define TSI721_IBWIN_TLA(x)	(0x2900c + (x) * 0x20)
169 #define TSI721_IBWIN_TLA_ADD	0xfffff000
170 #define TSI721_IBWIN_TUA(x)	(0x29010 + (x) * 0x20)
171 
172 #define TSI721_SR2PC_GEN_INTE	0x29800
173 #define TSI721_SR2PC_PWE	0x29804
174 #define TSI721_SR2PC_GEN_INT	0x29808
175 
176 #define TSI721_DEV_INTE		0x29840
177 #define TSI721_DEV_INT		0x29844
178 #define TSI721_DEV_INTSET	0x29848
179 #define TSI721_DEV_INT_BDMA_CH	0x00002000
180 #define TSI721_DEV_INT_BDMA_NCH	0x00001000
181 #define TSI721_DEV_INT_SMSG_CH	0x00000800
182 #define TSI721_DEV_INT_SMSG_NCH	0x00000400
183 #define TSI721_DEV_INT_SR2PC_CH	0x00000200
184 #define TSI721_DEV_INT_SRIO	0x00000020
185 
186 #define TSI721_DEV_CHAN_INTE	0x2984c
187 #define TSI721_DEV_CHAN_INT	0x29850
188 
189 #define TSI721_INT_SR2PC_CHAN_M	0xff000000
190 #define TSI721_INT_SR2PC_CHAN(x) (1 << (24 + (x)))
191 #define TSI721_INT_IMSG_CHAN_M	0x00ff0000
192 #define TSI721_INT_IMSG_CHAN(x)	(1 << (16 + (x)))
193 #define TSI721_INT_OMSG_CHAN_M	0x0000ff00
194 #define TSI721_INT_OMSG_CHAN(x)	(1 << (8 + (x)))
195 #define TSI721_INT_BDMA_CHAN_M	0x000000ff
196 #define TSI721_INT_BDMA_CHAN(x)	(1 << (x))
197 
198 /*
199  * PC2SR block registers
200  */
201 #define TSI721_OBWIN_NUM	TSI721_PC2SR_WINS
202 
203 #define TSI721_OBWINLB(x)	(0x40000 + (x) * 0x20)
204 #define TSI721_OBWINLB_BA	0xffff8000
205 #define TSI721_OBWINLB_WEN	0x00000001
206 
207 #define TSI721_OBWINUB(x)	(0x40004 + (x) * 0x20)
208 
209 #define TSI721_OBWINSZ(x)	(0x40008 + (x) * 0x20)
210 #define TSI721_OBWINSZ_SIZE	0x00001f00
211 #define TSI721_OBWIN_SIZE(size)	(__fls(size) - 15)
212 
213 #define TSI721_ZONE_SEL		0x41300
214 #define TSI721_ZONE_SEL_RD_WRB	0x00020000
215 #define TSI721_ZONE_SEL_GO	0x00010000
216 #define TSI721_ZONE_SEL_WIN	0x00000038
217 #define TSI721_ZONE_SEL_ZONE	0x00000007
218 
219 #define TSI721_LUT_DATA0	0x41304
220 #define TSI721_LUT_DATA0_ADD	0xfffff000
221 #define TSI721_LUT_DATA0_RDTYPE	0x00000f00
222 #define TSI721_LUT_DATA0_NREAD	0x00000100
223 #define TSI721_LUT_DATA0_MNTRD	0x00000200
224 #define TSI721_LUT_DATA0_RDCRF	0x00000020
225 #define TSI721_LUT_DATA0_WRCRF	0x00000010
226 #define TSI721_LUT_DATA0_WRTYPE	0x0000000f
227 #define TSI721_LUT_DATA0_NWR	0x00000001
228 #define TSI721_LUT_DATA0_MNTWR	0x00000002
229 #define TSI721_LUT_DATA0_NWR_R	0x00000004
230 
231 #define TSI721_LUT_DATA1	0x41308
232 
233 #define TSI721_LUT_DATA2	0x4130c
234 #define TSI721_LUT_DATA2_HC	0xff000000
235 #define TSI721_LUT_DATA2_ADD65	0x000c0000
236 #define TSI721_LUT_DATA2_TT	0x00030000
237 #define TSI721_LUT_DATA2_DSTID	0x0000ffff
238 
239 #define TSI721_PC2SR_INTE	0x41310
240 
241 #define TSI721_DEVCTL		0x48004
242 #define TSI721_DEVCTL_SRBOOT_CMPL	0x00000004
243 
244 #define TSI721_I2C_INT_ENABLE	0x49120
245 
246 /*
247  * Block DMA Engine Registers
248  *   x = 0..7
249  */
250 
251 #define TSI721_DMAC_BASE(x)	(0x51000 + (x) * 0x1000)
252 
253 #define TSI721_DMAC_DWRCNT	0x000
254 #define TSI721_DMAC_DRDCNT	0x004
255 
256 #define TSI721_DMAC_CTL		0x008
257 #define TSI721_DMAC_CTL_SUSP	0x00000002
258 #define TSI721_DMAC_CTL_INIT	0x00000001
259 
260 #define TSI721_DMAC_INT		0x00c
261 #define TSI721_DMAC_INT_STFULL	0x00000010
262 #define TSI721_DMAC_INT_DONE	0x00000008
263 #define TSI721_DMAC_INT_SUSP	0x00000004
264 #define TSI721_DMAC_INT_ERR	0x00000002
265 #define TSI721_DMAC_INT_IOFDONE	0x00000001
266 #define TSI721_DMAC_INT_ALL	0x0000001f
267 
268 #define TSI721_DMAC_INTSET	0x010
269 
270 #define TSI721_DMAC_STS		0x014
271 #define TSI721_DMAC_STS_ABORT	0x00400000
272 #define TSI721_DMAC_STS_RUN	0x00200000
273 #define TSI721_DMAC_STS_CS	0x001f0000
274 
275 #define TSI721_DMAC_INTE	0x018
276 
277 #define TSI721_DMAC_DPTRL	0x024
278 #define TSI721_DMAC_DPTRL_MASK	0xffffffe0
279 
280 #define TSI721_DMAC_DPTRH	0x028
281 
282 #define TSI721_DMAC_DSBL	0x02c
283 #define TSI721_DMAC_DSBL_MASK	0xffffffc0
284 
285 #define TSI721_DMAC_DSBH	0x030
286 
287 #define TSI721_DMAC_DSSZ	0x034
288 #define TSI721_DMAC_DSSZ_SIZE_M	0x0000000f
289 #define TSI721_DMAC_DSSZ_SIZE(size)	(__fls(size) - 4)
290 
291 #define TSI721_DMAC_DSRP	0x038
292 #define TSI721_DMAC_DSRP_MASK	0x0007ffff
293 
294 #define TSI721_DMAC_DSWP	0x03c
295 #define TSI721_DMAC_DSWP_MASK	0x0007ffff
296 
297 #define TSI721_BDMA_INTE	0x5f000
298 
299 /*
300  * Messaging definitions
301  */
302 #define TSI721_MSG_BUFFER_SIZE		RIO_MAX_MSG_SIZE
303 #define TSI721_MSG_MAX_SIZE		RIO_MAX_MSG_SIZE
304 #define TSI721_IMSG_MAXCH		8
305 #define TSI721_IMSG_CHNUM		TSI721_IMSG_MAXCH
306 #define TSI721_IMSGD_MIN_RING_SIZE	32
307 #define TSI721_IMSGD_RING_SIZE		512
308 
309 #define TSI721_OMSG_CHNUM		4 /* One channel per MBOX */
310 #define TSI721_OMSGD_MIN_RING_SIZE	32
311 #define TSI721_OMSGD_RING_SIZE		512
312 
313 /*
314  * Outbound Messaging Engine Registers
315  *   x = 0..7
316  */
317 
318 #define TSI721_OBDMAC_DWRCNT(x)		(0x61000 + (x) * 0x1000)
319 
320 #define TSI721_OBDMAC_DRDCNT(x)		(0x61004 + (x) * 0x1000)
321 
322 #define TSI721_OBDMAC_CTL(x)		(0x61008 + (x) * 0x1000)
323 #define TSI721_OBDMAC_CTL_MASK		0x00000007
324 #define TSI721_OBDMAC_CTL_RETRY_THR	0x00000004
325 #define TSI721_OBDMAC_CTL_SUSPEND	0x00000002
326 #define TSI721_OBDMAC_CTL_INIT		0x00000001
327 
328 #define TSI721_OBDMAC_INT(x)		(0x6100c + (x) * 0x1000)
329 #define TSI721_OBDMAC_INTSET(x)		(0x61010 + (x) * 0x1000)
330 #define TSI721_OBDMAC_INTE(x)		(0x61018 + (x) * 0x1000)
331 #define TSI721_OBDMAC_INT_MASK		0x0000001F
332 #define TSI721_OBDMAC_INT_ST_FULL	0x00000010
333 #define TSI721_OBDMAC_INT_DONE		0x00000008
334 #define TSI721_OBDMAC_INT_SUSPENDED	0x00000004
335 #define TSI721_OBDMAC_INT_ERROR		0x00000002
336 #define TSI721_OBDMAC_INT_IOF_DONE	0x00000001
337 #define TSI721_OBDMAC_INT_ALL		TSI721_OBDMAC_INT_MASK
338 
339 #define TSI721_OBDMAC_STS(x)		(0x61014 + (x) * 0x1000)
340 #define TSI721_OBDMAC_STS_MASK		0x007f0000
341 #define TSI721_OBDMAC_STS_ABORT		0x00400000
342 #define TSI721_OBDMAC_STS_RUN		0x00200000
343 #define TSI721_OBDMAC_STS_CS		0x001f0000
344 
345 #define TSI721_OBDMAC_PWE(x)		(0x6101c + (x) * 0x1000)
346 #define TSI721_OBDMAC_PWE_MASK		0x00000002
347 #define TSI721_OBDMAC_PWE_ERROR_EN	0x00000002
348 
349 #define TSI721_OBDMAC_DPTRL(x)		(0x61020 + (x) * 0x1000)
350 #define TSI721_OBDMAC_DPTRL_MASK	0xfffffff0
351 
352 #define TSI721_OBDMAC_DPTRH(x)		(0x61024 + (x) * 0x1000)
353 #define TSI721_OBDMAC_DPTRH_MASK	0xffffffff
354 
355 #define TSI721_OBDMAC_DSBL(x)		(0x61040 + (x) * 0x1000)
356 #define TSI721_OBDMAC_DSBL_MASK		0xffffffc0
357 
358 #define TSI721_OBDMAC_DSBH(x)		(0x61044 + (x) * 0x1000)
359 #define TSI721_OBDMAC_DSBH_MASK		0xffffffff
360 
361 #define TSI721_OBDMAC_DSSZ(x)		(0x61048 + (x) * 0x1000)
362 #define TSI721_OBDMAC_DSSZ_MASK		0x0000000f
363 
364 #define TSI721_OBDMAC_DSRP(x)		(0x6104c + (x) * 0x1000)
365 #define TSI721_OBDMAC_DSRP_MASK		0x0007ffff
366 
367 #define TSI721_OBDMAC_DSWP(x)		(0x61050 + (x) * 0x1000)
368 #define TSI721_OBDMAC_DSWP_MASK		0x0007ffff
369 
370 #define TSI721_RQRPTO			0x60010
371 #define TSI721_RQRPTO_MASK		0x00ffffff
372 #define TSI721_RQRPTO_VAL		400	/* Response TO value */
373 
374 /*
375  * Inbound Messaging Engine Registers
376  *   x = 0..7
377  */
378 
379 #define TSI721_IB_DEVID_GLOBAL		0xffff
380 #define TSI721_IBDMAC_FQBL(x)		(0x61200 + (x) * 0x1000)
381 #define TSI721_IBDMAC_FQBL_MASK		0xffffffc0
382 
383 #define TSI721_IBDMAC_FQBH(x)		(0x61204 + (x) * 0x1000)
384 #define TSI721_IBDMAC_FQBH_MASK		0xffffffff
385 
386 #define TSI721_IBDMAC_FQSZ_ENTRY_INX	TSI721_IMSGD_RING_SIZE
387 #define TSI721_IBDMAC_FQSZ(x)		(0x61208 + (x) * 0x1000)
388 #define TSI721_IBDMAC_FQSZ_MASK		0x0000000f
389 
390 #define TSI721_IBDMAC_FQRP(x)		(0x6120c + (x) * 0x1000)
391 #define TSI721_IBDMAC_FQRP_MASK		0x0007ffff
392 
393 #define TSI721_IBDMAC_FQWP(x)		(0x61210 + (x) * 0x1000)
394 #define TSI721_IBDMAC_FQWP_MASK		0x0007ffff
395 
396 #define TSI721_IBDMAC_FQTH(x)		(0x61214 + (x) * 0x1000)
397 #define TSI721_IBDMAC_FQTH_MASK		0x0007ffff
398 
399 #define TSI721_IB_DEVID			0x60020
400 #define TSI721_IB_DEVID_MASK		0x0000ffff
401 
402 #define TSI721_IBDMAC_CTL(x)		(0x61240 + (x) * 0x1000)
403 #define TSI721_IBDMAC_CTL_MASK		0x00000003
404 #define TSI721_IBDMAC_CTL_SUSPEND	0x00000002
405 #define TSI721_IBDMAC_CTL_INIT		0x00000001
406 
407 #define TSI721_IBDMAC_STS(x)		(0x61244 + (x) * 0x1000)
408 #define TSI721_IBDMAC_STS_MASK		0x007f0000
409 #define TSI721_IBSMAC_STS_ABORT		0x00400000
410 #define TSI721_IBSMAC_STS_RUN		0x00200000
411 #define TSI721_IBSMAC_STS_CS		0x001f0000
412 
413 #define TSI721_IBDMAC_INT(x)		(0x61248 + (x) * 0x1000)
414 #define TSI721_IBDMAC_INTSET(x)		(0x6124c + (x) * 0x1000)
415 #define TSI721_IBDMAC_INTE(x)		(0x61250 + (x) * 0x1000)
416 #define TSI721_IBDMAC_INT_MASK		0x0000100f
417 #define TSI721_IBDMAC_INT_SRTO		0x00001000
418 #define TSI721_IBDMAC_INT_SUSPENDED	0x00000008
419 #define TSI721_IBDMAC_INT_PC_ERROR	0x00000004
420 #define TSI721_IBDMAC_INT_FQ_LOW	0x00000002
421 #define TSI721_IBDMAC_INT_DQ_RCV	0x00000001
422 #define TSI721_IBDMAC_INT_ALL		TSI721_IBDMAC_INT_MASK
423 
424 #define TSI721_IBDMAC_PWE(x)		(0x61254 + (x) * 0x1000)
425 #define TSI721_IBDMAC_PWE_MASK		0x00001700
426 #define TSI721_IBDMAC_PWE_SRTO		0x00001000
427 #define TSI721_IBDMAC_PWE_ILL_FMT	0x00000400
428 #define TSI721_IBDMAC_PWE_ILL_DEC	0x00000200
429 #define TSI721_IBDMAC_PWE_IMP_SP	0x00000100
430 
431 #define TSI721_IBDMAC_DQBL(x)		(0x61300 + (x) * 0x1000)
432 #define TSI721_IBDMAC_DQBL_MASK		0xffffffc0
433 #define TSI721_IBDMAC_DQBL_ADDR		0xffffffc0
434 
435 #define TSI721_IBDMAC_DQBH(x)		(0x61304 + (x) * 0x1000)
436 #define TSI721_IBDMAC_DQBH_MASK		0xffffffff
437 
438 #define TSI721_IBDMAC_DQRP(x)		(0x61308 + (x) * 0x1000)
439 #define TSI721_IBDMAC_DQRP_MASK		0x0007ffff
440 
441 #define TSI721_IBDMAC_DQWR(x)		(0x6130c + (x) * 0x1000)
442 #define TSI721_IBDMAC_DQWR_MASK		0x0007ffff
443 
444 #define TSI721_IBDMAC_DQSZ(x)		(0x61314 + (x) * 0x1000)
445 #define TSI721_IBDMAC_DQSZ_MASK		0x0000000f
446 
447 /*
448  * Messaging Engine Interrupts
449  */
450 
451 #define TSI721_SMSG_PWE			0x6a004
452 
453 #define TSI721_SMSG_INTE		0x6a000
454 #define TSI721_SMSG_INT			0x6a008
455 #define TSI721_SMSG_INTSET		0x6a010
456 #define TSI721_SMSG_INT_MASK		0x0086ffff
457 #define TSI721_SMSG_INT_UNS_RSP		0x00800000
458 #define TSI721_SMSG_INT_ECC_NCOR	0x00040000
459 #define TSI721_SMSG_INT_ECC_COR		0x00020000
460 #define TSI721_SMSG_INT_ECC_NCOR_CH	0x0000ff00
461 #define TSI721_SMSG_INT_ECC_COR_CH	0x000000ff
462 
463 #define TSI721_SMSG_ECC_LOG		0x6a014
464 #define TSI721_SMSG_ECC_LOG_MASK	0x00070007
465 #define TSI721_SMSG_ECC_LOG_ECC_NCOR_M	0x00070000
466 #define TSI721_SMSG_ECC_LOG_ECC_COR_M	0x00000007
467 
468 #define TSI721_RETRY_GEN_CNT		0x6a100
469 #define TSI721_RETRY_GEN_CNT_MASK	0xffffffff
470 
471 #define TSI721_RETRY_RX_CNT		0x6a104
472 #define TSI721_RETRY_RX_CNT_MASK	0xffffffff
473 
474 #define TSI721_SMSG_ECC_COR_LOG(x)	(0x6a300 + (x) * 4)
475 #define TSI721_SMSG_ECC_COR_LOG_MASK	0x000000ff
476 
477 #define TSI721_SMSG_ECC_NCOR(x)		(0x6a340 + (x) * 4)
478 #define TSI721_SMSG_ECC_NCOR_MASK	0x000000ff
479 
480 /*
481  * Block DMA Descriptors
482  */
483 
484 struct tsi721_dma_desc {
485 	__le32 type_id;
486 
487 #define TSI721_DMAD_DEVID	0x0000ffff
488 #define TSI721_DMAD_CRF		0x00010000
489 #define TSI721_DMAD_PRIO	0x00060000
490 #define TSI721_DMAD_RTYPE	0x00780000
491 #define TSI721_DMAD_IOF		0x08000000
492 #define TSI721_DMAD_DTYPE	0xe0000000
493 
494 	__le32 bcount;
495 
496 #define TSI721_DMAD_BCOUNT1	0x03ffffff /* if DTYPE == 1 */
497 #define TSI721_DMAD_BCOUNT2	0x0000000f /* if DTYPE == 2 */
498 #define TSI721_DMAD_TT		0x0c000000
499 #define TSI721_DMAD_RADDR0	0xc0000000
500 
501 	union {
502 		__le32 raddr_lo;	   /* if DTYPE == (1 || 2) */
503 		__le32 next_lo;		   /* if DTYPE == 3 */
504 	};
505 
506 #define TSI721_DMAD_CFGOFF	0x00ffffff
507 #define TSI721_DMAD_HOPCNT	0xff000000
508 
509 	union {
510 		__le32 raddr_hi;	   /* if DTYPE == (1 || 2) */
511 		__le32 next_hi;		   /* if DTYPE == 3 */
512 	};
513 
514 	union {
515 		struct {		   /* if DTYPE == 1 */
516 			__le32 bufptr_lo;
517 			__le32 bufptr_hi;
518 			__le32 s_dist;
519 			__le32 s_size;
520 		} t1;
521 		__le32 data[4];		   /* if DTYPE == 2 */
522 		u32    reserved[4];	   /* if DTYPE == 3 */
523 	};
524 } __aligned(32);
525 
526 /*
527  * Inbound Messaging Descriptor
528  */
529 struct tsi721_imsg_desc {
530 	__le32 type_id;
531 
532 #define TSI721_IMD_DEVID	0x0000ffff
533 #define TSI721_IMD_CRF		0x00010000
534 #define TSI721_IMD_PRIO		0x00060000
535 #define TSI721_IMD_TT		0x00180000
536 #define TSI721_IMD_DTYPE	0xe0000000
537 
538 	__le32 msg_info;
539 
540 #define TSI721_IMD_BCOUNT	0x00000ff8
541 #define TSI721_IMD_SSIZE	0x0000f000
542 #define TSI721_IMD_LETER	0x00030000
543 #define TSI721_IMD_XMBOX	0x003c0000
544 #define TSI721_IMD_MBOX		0x00c00000
545 #define TSI721_IMD_CS		0x78000000
546 #define TSI721_IMD_HO		0x80000000
547 
548 	__le32 bufptr_lo;
549 	__le32 bufptr_hi;
550 	u32    reserved[12];
551 
552 } __aligned(64);
553 
554 /*
555  * Outbound Messaging Descriptor
556  */
557 struct tsi721_omsg_desc {
558 	__le32 type_id;
559 
560 #define TSI721_OMD_DEVID	0x0000ffff
561 #define TSI721_OMD_CRF		0x00010000
562 #define TSI721_OMD_PRIO		0x00060000
563 #define TSI721_OMD_IOF		0x08000000
564 #define TSI721_OMD_DTYPE	0xe0000000
565 #define TSI721_OMD_RSRVD	0x17f80000
566 
567 	__le32 msg_info;
568 
569 #define TSI721_OMD_BCOUNT	0x00000ff8
570 #define TSI721_OMD_SSIZE	0x0000f000
571 #define TSI721_OMD_LETER	0x00030000
572 #define TSI721_OMD_XMBOX	0x003c0000
573 #define TSI721_OMD_MBOX		0x00c00000
574 #define TSI721_OMD_TT		0x0c000000
575 
576 	union {
577 		__le32 bufptr_lo;	/* if DTYPE == 4 */
578 		__le32 next_lo;		/* if DTYPE == 5 */
579 	};
580 
581 	union {
582 		__le32 bufptr_hi;	/* if DTYPE == 4 */
583 		__le32 next_hi;		/* if DTYPE == 5 */
584 	};
585 
586 } __aligned(16);
587 
588 struct tsi721_dma_sts {
589 	__le64	desc_sts[8];
590 } __aligned(64);
591 
592 struct tsi721_desc_sts_fifo {
593 	union {
594 		__le64	da64;
595 		struct {
596 			__le32	lo;
597 			__le32	hi;
598 		} da32;
599 	} stat[8];
600 } __aligned(64);
601 
602 /* Descriptor types for BDMA and Messaging blocks */
603 enum dma_dtype {
604 	DTYPE1 = 1, /* Data Transfer DMA Descriptor */
605 	DTYPE2 = 2, /* Immediate Data Transfer DMA Descriptor */
606 	DTYPE3 = 3, /* Block Pointer DMA Descriptor */
607 	DTYPE4 = 4, /* Outbound Msg DMA Descriptor */
608 	DTYPE5 = 5, /* OB Messaging Block Pointer Descriptor */
609 	DTYPE6 = 6  /* Inbound Messaging Descriptor */
610 };
611 
612 enum dma_rtype {
613 	NREAD = 0,
614 	LAST_NWRITE_R = 1,
615 	ALL_NWRITE = 2,
616 	ALL_NWRITE_R = 3,
617 	MAINT_RD = 4,
618 	MAINT_WR = 5
619 };
620 
621 /*
622  * mport Driver Definitions
623  */
624 #define TSI721_DMA_CHNUM	TSI721_DMA_MAXCH
625 
626 #define TSI721_DMACH_MAINT	0	/* DMA channel for maint requests */
627 #define TSI721_DMACH_MAINT_NBD	32	/* Number of BDs for maint requests */
628 
629 #define TSI721_DMACH_DMA	1	/* DMA channel for data transfers */
630 
631 #define MSG_DMA_ENTRY_INX_TO_SIZE(x)	((0x10 << (x)) & 0xFFFF0)
632 
633 enum tsi721_smsg_int_flag {
634 	SMSG_INT_NONE		= 0x00000000,
635 	SMSG_INT_ECC_COR_CH	= 0x000000ff,
636 	SMSG_INT_ECC_NCOR_CH	= 0x0000ff00,
637 	SMSG_INT_ECC_COR	= 0x00020000,
638 	SMSG_INT_ECC_NCOR	= 0x00040000,
639 	SMSG_INT_UNS_RSP	= 0x00800000,
640 	SMSG_INT_ALL		= 0x0006ffff
641 };
642 
643 /* Structures */
644 
645 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
646 
647 #define TSI721_BDMA_BD_RING_SZ	128
648 #define TSI721_BDMA_MAX_BCOUNT	(TSI721_DMAD_BCOUNT1 + 1)
649 
650 struct tsi721_tx_desc {
651 	struct dma_async_tx_descriptor	txd;
652 	struct tsi721_dma_desc		*hw_desc;
653 	u16				destid;
654 	/* low 64-bits of 66-bit RIO address */
655 	u64				rio_addr;
656 	/* upper 2-bits of 66-bit RIO address */
657 	u8				rio_addr_u;
658 	u32				bcount;
659 	bool				interrupt;
660 	struct list_head		desc_node;
661 	struct list_head		tx_list;
662 };
663 
664 struct tsi721_bdma_chan {
665 	int		id;
666 	void __iomem	*regs;
667 	int		bd_num;		/* number of buffer descriptors */
668 	void		*bd_base;	/* start of DMA descriptors */
669 	dma_addr_t	bd_phys;
670 	void		*sts_base;	/* start of DMA BD status FIFO */
671 	dma_addr_t	sts_phys;
672 	int		sts_size;
673 	u32		sts_rdptr;
674 	u32		wr_count;
675 	u32		wr_count_next;
676 
677 	struct dma_chan		dchan;
678 	struct tsi721_tx_desc	*tx_desc;
679 	spinlock_t		lock;
680 	struct list_head	active_list;
681 	struct list_head	queue;
682 	struct list_head	free_list;
683 	dma_cookie_t		completed_cookie;
684 	struct tasklet_struct	tasklet;
685 	bool			active;
686 };
687 
688 #endif /* CONFIG_RAPIDIO_DMA_ENGINE */
689 
690 struct tsi721_bdma_maint {
691 	int		ch_id;		/* BDMA channel number */
692 	int		bd_num;		/* number of buffer descriptors */
693 	void		*bd_base;	/* start of DMA descriptors */
694 	dma_addr_t	bd_phys;
695 	void		*sts_base;	/* start of DMA BD status FIFO */
696 	dma_addr_t	sts_phys;
697 	int		sts_size;
698 };
699 
700 struct tsi721_imsg_ring {
701 	u32		size;
702 	/* VA/PA of data buffers for incoming messages */
703 	void		*buf_base;
704 	dma_addr_t	buf_phys;
705 	/* VA/PA of circular free buffer list */
706 	void		*imfq_base;
707 	dma_addr_t	imfq_phys;
708 	/* VA/PA of Inbound message descriptors */
709 	void		*imd_base;
710 	dma_addr_t	imd_phys;
711 	 /* Inbound Queue buffer pointers */
712 	void		*imq_base[TSI721_IMSGD_RING_SIZE];
713 
714 	u32		rx_slot;
715 	void		*dev_id;
716 	u32		fq_wrptr;
717 	u32		desc_rdptr;
718 	spinlock_t	lock;
719 };
720 
721 struct tsi721_omsg_ring {
722 	u32		size;
723 	/* VA/PA of OB Msg descriptors */
724 	void		*omd_base;
725 	dma_addr_t	omd_phys;
726 	/* VA/PA of OB Msg data buffers */
727 	void		*omq_base[TSI721_OMSGD_RING_SIZE];
728 	dma_addr_t	omq_phys[TSI721_OMSGD_RING_SIZE];
729 	/* VA/PA of OB Msg descriptor status FIFO */
730 	void		*sts_base;
731 	dma_addr_t	sts_phys;
732 	u32		sts_size; /* # of allocated status entries */
733 	u32		sts_rdptr;
734 
735 	u32		tx_slot;
736 	void		*dev_id;
737 	u32		wr_count;
738 	spinlock_t	lock;
739 };
740 
741 enum tsi721_flags {
742 	TSI721_USING_MSI	= (1 << 0),
743 	TSI721_USING_MSIX	= (1 << 1),
744 	TSI721_IMSGID_SET	= (1 << 2),
745 };
746 
747 #ifdef CONFIG_PCI_MSI
748 /*
749  * MSI-X Table Entries (0 ... 69)
750  */
751 #define TSI721_MSIX_DMACH_DONE(x)	(0 + (x))
752 #define TSI721_MSIX_DMACH_INT(x)	(8 + (x))
753 #define TSI721_MSIX_BDMA_INT		16
754 #define TSI721_MSIX_OMSG_DONE(x)	(17 + (x))
755 #define TSI721_MSIX_OMSG_INT(x)		(25 + (x))
756 #define TSI721_MSIX_IMSG_DQ_RCV(x)	(33 + (x))
757 #define TSI721_MSIX_IMSG_INT(x)		(41 + (x))
758 #define TSI721_MSIX_MSG_INT		49
759 #define TSI721_MSIX_SR2PC_IDBQ_RCV(x)	(50 + (x))
760 #define TSI721_MSIX_SR2PC_CH_INT(x)	(58 + (x))
761 #define TSI721_MSIX_SR2PC_INT		66
762 #define TSI721_MSIX_PC2SR_INT		67
763 #define TSI721_MSIX_SRIO_MAC_INT	68
764 #define TSI721_MSIX_I2C_INT		69
765 
766 /* MSI-X vector and init table entry indexes */
767 enum tsi721_msix_vect {
768 	TSI721_VECT_IDB,
769 	TSI721_VECT_PWRX, /* PW_RX is part of SRIO MAC Interrupt reporting */
770 	TSI721_VECT_OMB0_DONE,
771 	TSI721_VECT_OMB1_DONE,
772 	TSI721_VECT_OMB2_DONE,
773 	TSI721_VECT_OMB3_DONE,
774 	TSI721_VECT_OMB0_INT,
775 	TSI721_VECT_OMB1_INT,
776 	TSI721_VECT_OMB2_INT,
777 	TSI721_VECT_OMB3_INT,
778 	TSI721_VECT_IMB0_RCV,
779 	TSI721_VECT_IMB1_RCV,
780 	TSI721_VECT_IMB2_RCV,
781 	TSI721_VECT_IMB3_RCV,
782 	TSI721_VECT_IMB0_INT,
783 	TSI721_VECT_IMB1_INT,
784 	TSI721_VECT_IMB2_INT,
785 	TSI721_VECT_IMB3_INT,
786 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
787 	TSI721_VECT_DMA0_DONE,
788 	TSI721_VECT_DMA1_DONE,
789 	TSI721_VECT_DMA2_DONE,
790 	TSI721_VECT_DMA3_DONE,
791 	TSI721_VECT_DMA4_DONE,
792 	TSI721_VECT_DMA5_DONE,
793 	TSI721_VECT_DMA6_DONE,
794 	TSI721_VECT_DMA7_DONE,
795 	TSI721_VECT_DMA0_INT,
796 	TSI721_VECT_DMA1_INT,
797 	TSI721_VECT_DMA2_INT,
798 	TSI721_VECT_DMA3_INT,
799 	TSI721_VECT_DMA4_INT,
800 	TSI721_VECT_DMA5_INT,
801 	TSI721_VECT_DMA6_INT,
802 	TSI721_VECT_DMA7_INT,
803 #endif /* CONFIG_RAPIDIO_DMA_ENGINE */
804 	TSI721_VECT_MAX
805 };
806 
807 #define IRQ_DEVICE_NAME_MAX	64
808 
809 struct msix_irq {
810 	u16	vector;
811 	char	irq_name[IRQ_DEVICE_NAME_MAX];
812 };
813 #endif /* CONFIG_PCI_MSI */
814 
815 struct tsi721_device {
816 	struct pci_dev	*pdev;
817 	struct rio_mport *mport;
818 	u32		flags;
819 	void __iomem	*regs;
820 #ifdef CONFIG_PCI_MSI
821 	struct msix_irq	msix[TSI721_VECT_MAX];
822 #endif
823 	/* Doorbells */
824 	void __iomem	*odb_base;
825 	void		*idb_base;
826 	dma_addr_t	idb_dma;
827 	struct work_struct idb_work;
828 	u32		db_discard_count;
829 
830 	/* Inbound Port-Write */
831 	struct work_struct pw_work;
832 	struct kfifo	pw_fifo;
833 	spinlock_t	pw_fifo_lock;
834 	u32		pw_discard_count;
835 
836 	/* BDMA Engine */
837 	struct tsi721_bdma_maint mdma; /* Maintenance rd/wr request channel */
838 
839 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
840 	struct tsi721_bdma_chan bdma[TSI721_DMA_CHNUM];
841 #endif
842 
843 	/* Inbound Messaging */
844 	int		imsg_init[TSI721_IMSG_CHNUM];
845 	struct tsi721_imsg_ring imsg_ring[TSI721_IMSG_CHNUM];
846 
847 	/* Outbound Messaging */
848 	int		omsg_init[TSI721_OMSG_CHNUM];
849 	struct tsi721_omsg_ring	omsg_ring[TSI721_OMSG_CHNUM];
850 };
851 
852 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
853 extern void tsi721_bdma_handler(struct tsi721_bdma_chan *bdma_chan);
854 extern int tsi721_register_dma(struct tsi721_device *priv);
855 #endif
856 
857 #endif
858