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IPVS: fix netns if reading ip_vs_* procfs entries
[linux-2.6/linux-mips.git] / drivers / scsi / mvsas / mv_94xx.c
blobeed4c5c7201363b0af9fe60bed13d19a3cd6d94f
1 /*
2 * Marvell 88SE94xx hardware specific
3 *
4 * Copyright 2007 Red Hat, Inc.
5 * Copyright 2008 Marvell. <kewei@marvell.com>
6 *
7 * This file is licensed under GPLv2.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; version 2 of the
12 * License.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
22 * USA
23 */
24
25 #include "mv_sas.h"
26 #include "mv_94xx.h"
27 #include "mv_chips.h"
28
29 static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i)
30 {
31 u32 reg;
32 struct mvs_phy *phy = &mvi->phy[i];
33 u32 phy_status;
34
35 mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3);
36 reg = mvs_read_port_vsr_data(mvi, i);
37 phy_status = ((reg & 0x3f0000) >> 16) & 0xff;
38 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
39 switch (phy_status) {
40 case 0x10:
41 phy->phy_type |= PORT_TYPE_SAS;
42 break;
43 case 0x1d:
44 default:
45 phy->phy_type |= PORT_TYPE_SATA;
46 break;
47 }
48 }
49
50 static void __devinit mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id)
51 {
52 void __iomem *regs = mvi->regs;
53 u32 tmp;
54
55 tmp = mr32(MVS_PCS);
56 tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2);
57 mw32(MVS_PCS, tmp);
58 }
59
60 static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
61 {
62 u32 tmp;
63
64 tmp = mvs_read_port_irq_stat(mvi, phy_id);
65 tmp &= ~PHYEV_RDY_CH;
66 mvs_write_port_irq_stat(mvi, phy_id, tmp);
67 if (hard) {
68 tmp = mvs_read_phy_ctl(mvi, phy_id);
69 tmp |= PHY_RST_HARD;
70 mvs_write_phy_ctl(mvi, phy_id, tmp);
71 do {
72 tmp = mvs_read_phy_ctl(mvi, phy_id);
73 } while (tmp & PHY_RST_HARD);
74 } else {
75 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_STAT);
76 tmp = mvs_read_port_vsr_data(mvi, phy_id);
77 tmp |= PHY_RST;
78 mvs_write_port_vsr_data(mvi, phy_id, tmp);
79 }
80 }
81
82 static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id)
83 {
84 u32 tmp;
85 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
86 tmp = mvs_read_port_vsr_data(mvi, phy_id);
87 mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000);
88 }
89
90 static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id)
91 {
92 mvs_write_port_vsr_addr(mvi, phy_id, 0x1B4);
93 mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1);
94 mvs_write_port_vsr_addr(mvi, phy_id, 0x104);
95 mvs_write_port_vsr_data(mvi, phy_id, 0x00018080);
96 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
97 mvs_write_port_vsr_data(mvi, phy_id, 0x00207fff);
98 }
99
100 static int __devinit mvs_94xx_init(struct mvs_info *mvi)
101 {
102 void __iomem *regs = mvi->regs;
103 int i;
104 u32 tmp, cctl;
105
106 mvs_show_pcie_usage(mvi);
107 if (mvi->flags & MVF_FLAG_SOC) {
108 tmp = mr32(MVS_PHY_CTL);
109 tmp &= ~PCTL_PWR_OFF;
110 tmp |= PCTL_PHY_DSBL;
111 mw32(MVS_PHY_CTL, tmp);
112 }
113
114 /* Init Chip */
115 /* make sure RST is set; HBA_RST /should/ have done that for us */
116 cctl = mr32(MVS_CTL) & 0xFFFF;
117 if (cctl & CCTL_RST)
118 cctl &= ~CCTL_RST;
119 else
120 mw32_f(MVS_CTL, cctl | CCTL_RST);
121
122 if (mvi->flags & MVF_FLAG_SOC) {
123 tmp = mr32(MVS_PHY_CTL);
124 tmp &= ~PCTL_PWR_OFF;
125 tmp |= PCTL_COM_ON;
126 tmp &= ~PCTL_PHY_DSBL;
127 tmp |= PCTL_LINK_RST;
128 mw32(MVS_PHY_CTL, tmp);
129 msleep(100);
130 tmp &= ~PCTL_LINK_RST;
131 mw32(MVS_PHY_CTL, tmp);
132 msleep(100);
133 }
134
135 /* reset control */
136 mw32(MVS_PCS, 0); /* MVS_PCS */
137 mw32(MVS_STP_REG_SET_0, 0);
138 mw32(MVS_STP_REG_SET_1, 0);
139
140 /* init phys */
141 mvs_phy_hacks(mvi);
142
143 /* disable Multiplexing, enable phy implemented */
144 mw32(MVS_PORTS_IMP, 0xFF);
145
146
147 mw32(MVS_PA_VSR_ADDR, 0x00000104);
148 mw32(MVS_PA_VSR_PORT, 0x00018080);
149 mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE8);
150 mw32(MVS_PA_VSR_PORT, 0x0084ffff);
151
152 /* set LED blink when IO*/
153 mw32(MVS_PA_VSR_ADDR, 0x00000030);
154 tmp = mr32(MVS_PA_VSR_PORT);
155 tmp &= 0xFFFF00FF;
156 tmp |= 0x00003300;
157 mw32(MVS_PA_VSR_PORT, tmp);
158
159 mw32(MVS_CMD_LIST_LO, mvi->slot_dma);
160 mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16);
161
162 mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma);
163 mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
164
165 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ);
166 mw32(MVS_TX_LO, mvi->tx_dma);
167 mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16);
168
169 mw32(MVS_RX_CFG, MVS_RX_RING_SZ);
170 mw32(MVS_RX_LO, mvi->rx_dma);
171 mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16);
172
173 for (i = 0; i < mvi->chip->n_phy; i++) {
174 mvs_94xx_phy_disable(mvi, i);
175 /* set phy local SAS address */
176 mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4,
177 (mvi->phy[i].dev_sas_addr));
178
179 mvs_94xx_enable_xmt(mvi, i);
180 mvs_94xx_phy_enable(mvi, i);
181
182 mvs_94xx_phy_reset(mvi, i, 1);
183 msleep(500);
184 mvs_94xx_detect_porttype(mvi, i);
185 }
186
187 if (mvi->flags & MVF_FLAG_SOC) {
188 /* set select registers */
189 writel(0x0E008000, regs + 0x000);
190 writel(0x59000008, regs + 0x004);
191 writel(0x20, regs + 0x008);
192 writel(0x20, regs + 0x00c);
193 writel(0x20, regs + 0x010);
194 writel(0x20, regs + 0x014);
195 writel(0x20, regs + 0x018);
196 writel(0x20, regs + 0x01c);
197 }
198 for (i = 0; i < mvi->chip->n_phy; i++) {
199 /* clear phy int status */
200 tmp = mvs_read_port_irq_stat(mvi, i);
201 tmp &= ~PHYEV_SIG_FIS;
202 mvs_write_port_irq_stat(mvi, i, tmp);
203
204 /* set phy int mask */
205 tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH |
206 PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ;
207 mvs_write_port_irq_mask(mvi, i, tmp);
208
209 msleep(100);
210 mvs_update_phyinfo(mvi, i, 1);
211 }
212
213 /* FIXME: update wide port bitmaps */
214
215 /* little endian for open address and command table, etc. */
216 /*
217 * it seems that ( from the spec ) turning on big-endian won't
218 * do us any good on big-endian machines, need further confirmation
219 */
220 cctl = mr32(MVS_CTL);
221 cctl |= CCTL_ENDIAN_CMD;
222 cctl |= CCTL_ENDIAN_DATA;
223 cctl &= ~CCTL_ENDIAN_OPEN;
224 cctl |= CCTL_ENDIAN_RSP;
225 mw32_f(MVS_CTL, cctl);
226
227 /* reset CMD queue */
228 tmp = mr32(MVS_PCS);
229 tmp |= PCS_CMD_RST;
230 mw32(MVS_PCS, tmp);
231 /* interrupt coalescing may cause missing HW interrput in some case,
232 * and the max count is 0x1ff, while our max slot is 0x200,
233 * it will make count 0.
234 */
235 tmp = 0;
236 mw32(MVS_INT_COAL, tmp);
237
238 tmp = 0x100;
239 mw32(MVS_INT_COAL_TMOUT, tmp);
240
241 /* ladies and gentlemen, start your engines */
242 mw32(MVS_TX_CFG, 0);
243 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
244 mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN);
245 /* enable CMD/CMPL_Q/RESP mode */
246 mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN |
247 PCS_CMD_EN | PCS_CMD_STOP_ERR);
248
249 /* enable completion queue interrupt */
250 tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
251 CINT_DMA_PCIE);
252 tmp |= CINT_PHY_MASK;
253 mw32(MVS_INT_MASK, tmp);
254
255 /* Enable SRS interrupt */
256 mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
257
258 return 0;
259 }
260
261 static int mvs_94xx_ioremap(struct mvs_info *mvi)
262 {
263 if (!mvs_ioremap(mvi, 2, -1)) {
264 mvi->regs_ex = mvi->regs + 0x10200;
265 mvi->regs += 0x20000;
266 if (mvi->id == 1)
267 mvi->regs += 0x4000;
268 return 0;
269 }
270 return -1;
271 }
272
273 static void mvs_94xx_iounmap(struct mvs_info *mvi)
274 {
275 if (mvi->regs) {
276 mvi->regs -= 0x20000;
277 if (mvi->id == 1)
278 mvi->regs -= 0x4000;
279 mvs_iounmap(mvi->regs);
280 }
281 }
282
283 static void mvs_94xx_interrupt_enable(struct mvs_info *mvi)
284 {
285 void __iomem *regs = mvi->regs_ex;
286 u32 tmp;
287
288 tmp = mr32(MVS_GBL_CTL);
289 tmp |= (IRQ_SAS_A | IRQ_SAS_B);
290 mw32(MVS_GBL_INT_STAT, tmp);
291 writel(tmp, regs + 0x0C);
292 writel(tmp, regs + 0x10);
293 writel(tmp, regs + 0x14);
294 writel(tmp, regs + 0x18);
295 mw32(MVS_GBL_CTL, tmp);
296 }
297
298 static void mvs_94xx_interrupt_disable(struct mvs_info *mvi)
299 {
300 void __iomem *regs = mvi->regs_ex;
301 u32 tmp;
302
303 tmp = mr32(MVS_GBL_CTL);
304
305 tmp &= ~(IRQ_SAS_A | IRQ_SAS_B);
306 mw32(MVS_GBL_INT_STAT, tmp);
307 writel(tmp, regs + 0x0C);
308 writel(tmp, regs + 0x10);
309 writel(tmp, regs + 0x14);
310 writel(tmp, regs + 0x18);
311 mw32(MVS_GBL_CTL, tmp);
312 }
313
314 static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq)
315 {
316 void __iomem *regs = mvi->regs_ex;
317 u32 stat = 0;
318 if (!(mvi->flags & MVF_FLAG_SOC)) {
319 stat = mr32(MVS_GBL_INT_STAT);
320
321 if (!(stat & (IRQ_SAS_A | IRQ_SAS_B)))
322 return 0;
323 }
324 return stat;
325 }
326
327 static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat)
328 {
329 void __iomem *regs = mvi->regs;
330
331 if (((stat & IRQ_SAS_A) && mvi->id == 0) ||
332 ((stat & IRQ_SAS_B) && mvi->id == 1)) {
333 mw32_f(MVS_INT_STAT, CINT_DONE);
334 #ifndef MVS_USE_TASKLET
335 spin_lock(&mvi->lock);
336 #endif
337 mvs_int_full(mvi);
338 #ifndef MVS_USE_TASKLET
339 spin_unlock(&mvi->lock);
340 #endif
341 }
342 return IRQ_HANDLED;
343 }
344
345 static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx)
346 {
347 u32 tmp;
348 mvs_cw32(mvi, 0x300 + (slot_idx >> 3), 1 << (slot_idx % 32));
349 do {
350 tmp = mvs_cr32(mvi, 0x300 + (slot_idx >> 3));
351 } while (tmp & 1 << (slot_idx % 32));
352 }
353
354 static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
355 u32 tfs)
356 {
357 void __iomem *regs = mvi->regs;
358 u32 tmp;
359
360 if (type == PORT_TYPE_SATA) {
361 tmp = mr32(MVS_INT_STAT_SRS_0) | (1U << tfs);
362 mw32(MVS_INT_STAT_SRS_0, tmp);
363 }
364 mw32(MVS_INT_STAT, CINT_CI_STOP);
365 tmp = mr32(MVS_PCS) | 0xFF00;
366 mw32(MVS_PCS, tmp);
367 }
368
369 static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
370 {
371 void __iomem *regs = mvi->regs;
372 u32 tmp;
373 u8 reg_set = *tfs;
374
375 if (*tfs == MVS_ID_NOT_MAPPED)
376 return;
377
378 mvi->sata_reg_set &= ~bit(reg_set);
379 if (reg_set < 32) {
380 w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set);
381 tmp = mr32(MVS_INT_STAT_SRS_0) & (u32)mvi->sata_reg_set;
382 if (tmp)
383 mw32(MVS_INT_STAT_SRS_0, tmp);
384 } else {
385 w_reg_set_enable(reg_set, mvi->sata_reg_set);
386 tmp = mr32(MVS_INT_STAT_SRS_1) & mvi->sata_reg_set;
387 if (tmp)
388 mw32(MVS_INT_STAT_SRS_1, tmp);
389 }
390
391 *tfs = MVS_ID_NOT_MAPPED;
392
393 return;
394 }
395
396 static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs)
397 {
398 int i;
399 void __iomem *regs = mvi->regs;
400
401 if (*tfs != MVS_ID_NOT_MAPPED)
402 return 0;
403
404 i = mv_ffc64(mvi->sata_reg_set);
405 if (i > 32) {
406 mvi->sata_reg_set |= bit(i);
407 w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32));
408 *tfs = i;
409 return 0;
410 } else if (i >= 0) {
411 mvi->sata_reg_set |= bit(i);
412 w_reg_set_enable(i, (u32)mvi->sata_reg_set);
413 *tfs = i;
414 return 0;
415 }
416 return MVS_ID_NOT_MAPPED;
417 }
418
419 static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd)
420 {
421 int i;
422 struct scatterlist *sg;
423 struct mvs_prd *buf_prd = prd;
424 for_each_sg(scatter, sg, nr, i) {
425 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
426 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
427 buf_prd++;
428 }
429 }
430
431 static int mvs_94xx_oob_done(struct mvs_info *mvi, int i)
432 {
433 u32 phy_st;
434 phy_st = mvs_read_phy_ctl(mvi, i);
435 if (phy_st & PHY_READY_MASK) /* phy ready */
436 return 1;
437 return 0;
438 }
439
440 static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id,
441 struct sas_identify_frame *id)
442 {
443 int i;
444 u32 id_frame[7];
445
446 for (i = 0; i < 7; i++) {
447 mvs_write_port_cfg_addr(mvi, port_id,
448 CONFIG_ID_FRAME0 + i * 4);
449 id_frame[i] = mvs_read_port_cfg_data(mvi, port_id);
450 }
451 memcpy(id, id_frame, 28);
452 }
453
454 static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id,
455 struct sas_identify_frame *id)
456 {
457 int i;
458 u32 id_frame[7];
459
460 /* mvs_hexdump(28, (u8 *)id_frame, 0); */
461 for (i = 0; i < 7; i++) {
462 mvs_write_port_cfg_addr(mvi, port_id,
463 CONFIG_ATT_ID_FRAME0 + i * 4);
464 id_frame[i] = mvs_read_port_cfg_data(mvi, port_id);
465 mv_dprintk("94xx phy %d atta frame %d %x.\n",
466 port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]);
467 }
468 /* mvs_hexdump(28, (u8 *)id_frame, 0); */
469 memcpy(id, id_frame, 28);
470 }
471
472 static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id)
473 {
474 u32 att_dev_info = 0;
475
476 att_dev_info |= id->dev_type;
477 if (id->stp_iport)
478 att_dev_info |= PORT_DEV_STP_INIT;
479 if (id->smp_iport)
480 att_dev_info |= PORT_DEV_SMP_INIT;
481 if (id->ssp_iport)
482 att_dev_info |= PORT_DEV_SSP_INIT;
483 if (id->stp_tport)
484 att_dev_info |= PORT_DEV_STP_TRGT;
485 if (id->smp_tport)
486 att_dev_info |= PORT_DEV_SMP_TRGT;
487 if (id->ssp_tport)
488 att_dev_info |= PORT_DEV_SSP_TRGT;
489
490 att_dev_info |= (u32)id->phy_id<<24;
491 return att_dev_info;
492 }
493
494 static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id)
495 {
496 return mvs_94xx_make_dev_info(id);
497 }
498
499 static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
500 struct sas_identify_frame *id)
501 {
502 struct mvs_phy *phy = &mvi->phy[i];
503 struct asd_sas_phy *sas_phy = &phy->sas_phy;
504 mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status);
505 sas_phy->linkrate =
506 (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
507 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
508 sas_phy->linkrate += 0x8;
509 mv_dprintk("get link rate is %d\n", sas_phy->linkrate);
510 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
511 phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
512 mvs_94xx_get_dev_identify_frame(mvi, i, id);
513 phy->dev_info = mvs_94xx_make_dev_info(id);
514
515 if (phy->phy_type & PORT_TYPE_SAS) {
516 mvs_94xx_get_att_identify_frame(mvi, i, id);
517 phy->att_dev_info = mvs_94xx_make_att_info(id);
518 phy->att_dev_sas_addr = *(u64 *)id->sas_addr;
519 } else {
520 phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
521 }
522
523 }
524
525 void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
526 struct sas_phy_linkrates *rates)
527 {
528 /* TODO */
529 }
530
531 static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi)
532 {
533 u32 tmp;
534 void __iomem *regs = mvi->regs;
535 tmp = mr32(MVS_STP_REG_SET_0);
536 mw32(MVS_STP_REG_SET_0, 0);
537 mw32(MVS_STP_REG_SET_0, tmp);
538 tmp = mr32(MVS_STP_REG_SET_1);
539 mw32(MVS_STP_REG_SET_1, 0);
540 mw32(MVS_STP_REG_SET_1, tmp);
541 }
542
543
544 u32 mvs_94xx_spi_read_data(struct mvs_info *mvi)
545 {
546 void __iomem *regs = mvi->regs_ex - 0x10200;
547 return mr32(SPI_RD_DATA_REG_94XX);
548 }
549
550 void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data)
551 {
552 void __iomem *regs = mvi->regs_ex - 0x10200;
553 mw32(SPI_RD_DATA_REG_94XX, data);
554 }
555
556
557 int mvs_94xx_spi_buildcmd(struct mvs_info *mvi,
558 u32 *dwCmd,
559 u8 cmd,
560 u8 read,
561 u8 length,
562 u32 addr
563 )
564 {
565 void __iomem *regs = mvi->regs_ex - 0x10200;
566 u32 dwTmp;
567
568 dwTmp = ((u32)cmd << 8) | ((u32)length << 4);
569 if (read)
570 dwTmp |= SPI_CTRL_READ_94XX;
571
572 if (addr != MV_MAX_U32) {
573 mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL));
574 dwTmp |= SPI_ADDR_VLD_94XX;
575 }
576
577 *dwCmd = dwTmp;
578 return 0;
579 }
580
581
582 int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd)
583 {
584 void __iomem *regs = mvi->regs_ex - 0x10200;
585 mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX);
586
587 return 0;
588 }
589
590 int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout)
591 {
592 void __iomem *regs = mvi->regs_ex - 0x10200;
593 u32 i, dwTmp;
594
595 for (i = 0; i < timeout; i++) {
596 dwTmp = mr32(SPI_CTRL_REG_94XX);
597 if (!(dwTmp & SPI_CTRL_SpiStart_94XX))
598 return 0;
599 msleep(10);
600 }
601
602 return -1;
603 }
604
605 #ifndef DISABLE_HOTPLUG_DMA_FIX
606 void mvs_94xx_fix_dma(dma_addr_t buf_dma, int buf_len, int from, void *prd)
607 {
608 int i;
609 struct mvs_prd *buf_prd = prd;
610 buf_prd += from;
611 for (i = 0; i < MAX_SG_ENTRY - from; i++) {
612 buf_prd->addr = cpu_to_le64(buf_dma);
613 buf_prd->im_len.len = cpu_to_le32(buf_len);
614 ++buf_prd;
615 }
616 }
617 #endif
618
619 /*
620 * FIXME JEJB: temporary nop clear_srs_irq to make 94xx still work
621 * with 64xx fixes
622 */
623 static void mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set,
624 u8 clear_all)
625 {
626 }
627
628 const struct mvs_dispatch mvs_94xx_dispatch = {
629 "mv94xx",
630 mvs_94xx_init,
631 NULL,
632 mvs_94xx_ioremap,
633 mvs_94xx_iounmap,
634 mvs_94xx_isr,
635 mvs_94xx_isr_status,
636 mvs_94xx_interrupt_enable,
637 mvs_94xx_interrupt_disable,
638 mvs_read_phy_ctl,
639 mvs_write_phy_ctl,
640 mvs_read_port_cfg_data,
641 mvs_write_port_cfg_data,
642 mvs_write_port_cfg_addr,
643 mvs_read_port_vsr_data,
644 mvs_write_port_vsr_data,
645 mvs_write_port_vsr_addr,
646 mvs_read_port_irq_stat,
647 mvs_write_port_irq_stat,
648 mvs_read_port_irq_mask,
649 mvs_write_port_irq_mask,
650 mvs_get_sas_addr,
651 mvs_94xx_command_active,
652 mvs_94xx_clear_srs_irq,
653 mvs_94xx_issue_stop,
654 mvs_start_delivery,
655 mvs_rx_update,
656 mvs_int_full,
657 mvs_94xx_assign_reg_set,
658 mvs_94xx_free_reg_set,
659 mvs_get_prd_size,
660 mvs_get_prd_count,
661 mvs_94xx_make_prd,
662 mvs_94xx_detect_porttype,
663 mvs_94xx_oob_done,
664 mvs_94xx_fix_phy_info,
665 NULL,
666 mvs_94xx_phy_set_link_rate,
667 mvs_hw_max_link_rate,
668 mvs_94xx_phy_disable,
669 mvs_94xx_phy_enable,
670 mvs_94xx_phy_reset,
671 NULL,
672 mvs_94xx_clear_active_cmds,
673 mvs_94xx_spi_read_data,
674 mvs_94xx_spi_write_data,
675 mvs_94xx_spi_buildcmd,
676 mvs_94xx_spi_issuecmd,
677 mvs_94xx_spi_waitdataready,
678 #ifndef DISABLE_HOTPLUG_DMA_FIX
679 mvs_94xx_fix_dma,
680 #endif
681 };
682
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