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26#include "mv_sas.h"
27#include "mv_94xx.h"
28#include "mv_chips.h"
29
30static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i)
31{
32 u32 reg;
33 struct mvs_phy *phy = &mvi->phy[i];
34 u32 phy_status;
35
36 mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3);
37 reg = mvs_read_port_vsr_data(mvi, i);
38 phy_status = ((reg & 0x3f0000) >> 16) & 0xff;
39 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
40 switch (phy_status) {
41 case 0x10:
42 phy->phy_type |= PORT_TYPE_SAS;
43 break;
44 case 0x1d:
45 default:
46 phy->phy_type |= PORT_TYPE_SATA;
47 break;
48 }
49}
50
51static void set_phy_tuning(struct mvs_info *mvi, int phy_id,
52 struct phy_tuning phy_tuning)
53{
54 u32 tmp, setting_0 = 0, setting_1 = 0;
55 u8 i;
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70 if (mvi->pdev->revision == VANIR_A0_REV)
71 return;
72
73 for (i = 0; i < 3; i++) {
74
75 switch (i) {
76 case 0:
77 setting_0 = GENERATION_1_SETTING;
78 setting_1 = GENERATION_1_2_SETTING;
79 break;
80 case 1:
81 setting_0 = GENERATION_1_2_SETTING;
82 setting_1 = GENERATION_2_3_SETTING;
83 break;
84 case 2:
85 setting_0 = GENERATION_2_3_SETTING;
86 setting_1 = GENERATION_3_4_SETTING;
87 break;
88 }
89
90
91
92
93
94
95
96 mvs_write_port_vsr_addr(mvi, phy_id, setting_0);
97 tmp = mvs_read_port_vsr_data(mvi, phy_id);
98 tmp &= ~(0xFBE << 16);
99 tmp |= (((phy_tuning.trans_emp_en << 11) |
100 (phy_tuning.trans_emp_amp << 7) |
101 (phy_tuning.trans_amp << 1)) << 16);
102 mvs_write_port_vsr_data(mvi, phy_id, tmp);
103
104
105 mvs_write_port_vsr_addr(mvi, phy_id, setting_1);
106 tmp = mvs_read_port_vsr_data(mvi, phy_id);
107 tmp &= ~(0xC000);
108 tmp |= (phy_tuning.trans_amp_adj << 14);
109 mvs_write_port_vsr_data(mvi, phy_id, tmp);
110 }
111}
112
113static void set_phy_ffe_tuning(struct mvs_info *mvi, int phy_id,
114 struct ffe_control ffe)
115{
116 u32 tmp;
117
118
119 if ((mvi->pdev->revision == VANIR_A0_REV)
120 || (mvi->pdev->revision == VANIR_B0_REV))
121 return;
122
123
124
125
126
127
128
129
130 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_FFE_CONTROL);
131 tmp = mvs_read_port_vsr_data(mvi, phy_id);
132 tmp &= ~0xFF;
133
134
135 tmp |= ((0x1 << 7) |
136 (ffe.ffe_rss_sel << 4) |
137 (ffe.ffe_cap_sel << 0));
138
139 mvs_write_port_vsr_data(mvi, phy_id, tmp);
140
141
142
143
144
145 mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
146 tmp = mvs_read_port_vsr_data(mvi, phy_id);
147 tmp &= ~0x40001;
148
149
150 tmp |= (0 << 18);
151 mvs_write_port_vsr_data(mvi, phy_id, tmp);
152
153
154
155
156
157
158 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_DFE_UPDATE_CRTL);
159 tmp = mvs_read_port_vsr_data(mvi, phy_id);
160 tmp &= ~0xFFF;
161
162
163 tmp |= ((0x3F << 6) | (0x0 << 0));
164 mvs_write_port_vsr_data(mvi, phy_id, tmp);
165
166
167
168
169
170 mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
171 tmp = mvs_read_port_vsr_data(mvi, phy_id);
172 tmp &= ~0x8;
173
174
175 tmp |= (0 << 3);
176 mvs_write_port_vsr_data(mvi, phy_id, tmp);
177}
178
179
180static void set_phy_rate(struct mvs_info *mvi, int phy_id, u8 rate)
181{
182 union reg_phy_cfg phy_cfg, phy_cfg_tmp;
183 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
184 phy_cfg_tmp.v = mvs_read_port_vsr_data(mvi, phy_id);
185 phy_cfg.v = 0;
186 phy_cfg.u.disable_phy = phy_cfg_tmp.u.disable_phy;
187 phy_cfg.u.sas_support = 1;
188 phy_cfg.u.sata_support = 1;
189 phy_cfg.u.sata_host_mode = 1;
190
191 switch (rate) {
192 case 0x0:
193
194 phy_cfg.u.speed_support = 1;
195 phy_cfg.u.snw_3_support = 0;
196 phy_cfg.u.tx_lnk_parity = 1;
197 phy_cfg.u.tx_spt_phs_lnk_rate = 0x30;
198 break;
199 case 0x1:
200
201
202 phy_cfg.u.speed_support = 3;
203 phy_cfg.u.tx_spt_phs_lnk_rate = 0x3c;
204 phy_cfg.u.tx_lgcl_lnk_rate = 0x08;
205 break;
206 case 0x2:
207 default:
208
209 phy_cfg.u.speed_support = 7;
210 phy_cfg.u.snw_3_support = 1;
211 phy_cfg.u.tx_lnk_parity = 1;
212 phy_cfg.u.tx_spt_phs_lnk_rate = 0x3f;
213 phy_cfg.u.tx_lgcl_lnk_rate = 0x09;
214 break;
215 }
216 mvs_write_port_vsr_data(mvi, phy_id, phy_cfg.v);
217}
218
219static void mvs_94xx_config_reg_from_hba(struct mvs_info *mvi, int phy_id)
220{
221 u32 temp;
222 temp = (u32)(*(u32 *)&mvi->hba_info_param.phy_tuning[phy_id]);
223 if (temp == 0xFFFFFFFFL) {
224 mvi->hba_info_param.phy_tuning[phy_id].trans_emp_amp = 0x6;
225 mvi->hba_info_param.phy_tuning[phy_id].trans_amp = 0x1A;
226 mvi->hba_info_param.phy_tuning[phy_id].trans_amp_adj = 0x3;
227 }
228
229 temp = (u8)(*(u8 *)&mvi->hba_info_param.ffe_ctl[phy_id]);
230 if (temp == 0xFFL) {
231 switch (mvi->pdev->revision) {
232 case VANIR_A0_REV:
233 case VANIR_B0_REV:
234 mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
235 mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0x7;
236 break;
237 case VANIR_C0_REV:
238 case VANIR_C1_REV:
239 case VANIR_C2_REV:
240 default:
241 mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
242 mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0xC;
243 break;
244 }
245 }
246
247 temp = (u8)(*(u8 *)&mvi->hba_info_param.phy_rate[phy_id]);
248 if (temp == 0xFFL)
249
250 mvi->hba_info_param.phy_rate[phy_id] = 0x2;
251
252 set_phy_tuning(mvi, phy_id,
253 mvi->hba_info_param.phy_tuning[phy_id]);
254 set_phy_ffe_tuning(mvi, phy_id,
255 mvi->hba_info_param.ffe_ctl[phy_id]);
256 set_phy_rate(mvi, phy_id,
257 mvi->hba_info_param.phy_rate[phy_id]);
258}
259
260static void mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id)
261{
262 void __iomem *regs = mvi->regs;
263 u32 tmp;
264
265 tmp = mr32(MVS_PCS);
266 tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2);
267 mw32(MVS_PCS, tmp);
268}
269
270static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
271{
272 u32 tmp;
273 u32 delay = 5000;
274 if (hard == MVS_PHY_TUNE) {
275 mvs_write_port_cfg_addr(mvi, phy_id, PHYR_SATA_CTL);
276 tmp = mvs_read_port_cfg_data(mvi, phy_id);
277 mvs_write_port_cfg_data(mvi, phy_id, tmp|0x20000000);
278 mvs_write_port_cfg_data(mvi, phy_id, tmp|0x100000);
279 return;
280 }
281 tmp = mvs_read_port_irq_stat(mvi, phy_id);
282 tmp &= ~PHYEV_RDY_CH;
283 mvs_write_port_irq_stat(mvi, phy_id, tmp);
284 if (hard) {
285 tmp = mvs_read_phy_ctl(mvi, phy_id);
286 tmp |= PHY_RST_HARD;
287 mvs_write_phy_ctl(mvi, phy_id, tmp);
288 do {
289 tmp = mvs_read_phy_ctl(mvi, phy_id);
290 udelay(10);
291 delay--;
292 } while ((tmp & PHY_RST_HARD) && delay);
293 if (!delay)
294 mv_dprintk("phy hard reset failed.\n");
295 } else {
296 tmp = mvs_read_phy_ctl(mvi, phy_id);
297 tmp |= PHY_RST;
298 mvs_write_phy_ctl(mvi, phy_id, tmp);
299 }
300}
301
302static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id)
303{
304 u32 tmp;
305 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
306 tmp = mvs_read_port_vsr_data(mvi, phy_id);
307 mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000);
308}
309
310static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id)
311{
312 u32 tmp;
313 u8 revision = 0;
314
315 revision = mvi->pdev->revision;
316 if (revision == VANIR_A0_REV) {
317 mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
318 mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1);
319 }
320 if (revision == VANIR_B0_REV) {
321 mvs_write_port_vsr_addr(mvi, phy_id, CMD_APP_MEM_CTL);
322 mvs_write_port_vsr_data(mvi, phy_id, 0x08001006);
323 mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
324 mvs_write_port_vsr_data(mvi, phy_id, 0x0000705f);
325 }
326
327 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
328 tmp = mvs_read_port_vsr_data(mvi, phy_id);
329 tmp |= bit(0);
330 mvs_write_port_vsr_data(mvi, phy_id, tmp & 0xfd7fffff);
331}
332
333static void mvs_94xx_sgpio_init(struct mvs_info *mvi)
334{
335 void __iomem *regs = mvi->regs_ex - 0x10200;
336 u32 tmp;
337
338 tmp = mr32(MVS_HST_CHIP_CONFIG);
339 tmp |= 0x100;
340 mw32(MVS_HST_CHIP_CONFIG, tmp);
341
342 mw32(MVS_SGPIO_CTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
343 MVS_SGPIO_CTRL_SDOUT_AUTO << MVS_SGPIO_CTRL_SDOUT_SHIFT);
344
345 mw32(MVS_SGPIO_CFG1 + MVS_SGPIO_HOST_OFFSET * mvi->id,
346 8 << MVS_SGPIO_CFG1_LOWA_SHIFT |
347 8 << MVS_SGPIO_CFG1_HIA_SHIFT |
348 4 << MVS_SGPIO_CFG1_LOWB_SHIFT |
349 4 << MVS_SGPIO_CFG1_HIB_SHIFT |
350 2 << MVS_SGPIO_CFG1_MAXACTON_SHIFT |
351 1 << MVS_SGPIO_CFG1_FORCEACTOFF_SHIFT
352 );
353
354 mw32(MVS_SGPIO_CFG2 + MVS_SGPIO_HOST_OFFSET * mvi->id,
355 (300000 / 100) << MVS_SGPIO_CFG2_CLK_SHIFT |
356 66 << MVS_SGPIO_CFG2_BLINK_SHIFT
357 );
358
359 mw32(MVS_SGPIO_CFG0 + MVS_SGPIO_HOST_OFFSET * mvi->id,
360 MVS_SGPIO_CFG0_ENABLE |
361 MVS_SGPIO_CFG0_BLINKA |
362 MVS_SGPIO_CFG0_BLINKB |
363
364 (12 - 1) << MVS_SGPIO_CFG0_AUT_BITLEN_SHIFT
365 );
366
367 mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
368 DEFAULT_SGPIO_BITS);
369
370 mw32(MVS_SGPIO_DSRC + MVS_SGPIO_HOST_OFFSET * mvi->id,
371 ((mvi->id * 4) + 3) << (8 * 3) |
372 ((mvi->id * 4) + 2) << (8 * 2) |
373 ((mvi->id * 4) + 1) << (8 * 1) |
374 ((mvi->id * 4) + 0) << (8 * 0));
375
376}
377
378static int mvs_94xx_init(struct mvs_info *mvi)
379{
380 void __iomem *regs = mvi->regs;
381 int i;
382 u32 tmp, cctl;
383 u8 revision;
384
385 revision = mvi->pdev->revision;
386 mvs_show_pcie_usage(mvi);
387 if (mvi->flags & MVF_FLAG_SOC) {
388 tmp = mr32(MVS_PHY_CTL);
389 tmp &= ~PCTL_PWR_OFF;
390 tmp |= PCTL_PHY_DSBL;
391 mw32(MVS_PHY_CTL, tmp);
392 }
393
394
395
396 cctl = mr32(MVS_CTL) & 0xFFFF;
397 if (cctl & CCTL_RST)
398 cctl &= ~CCTL_RST;
399 else
400 mw32_f(MVS_CTL, cctl | CCTL_RST);
401
402 if (mvi->flags & MVF_FLAG_SOC) {
403 tmp = mr32(MVS_PHY_CTL);
404 tmp &= ~PCTL_PWR_OFF;
405 tmp |= PCTL_COM_ON;
406 tmp &= ~PCTL_PHY_DSBL;
407 tmp |= PCTL_LINK_RST;
408 mw32(MVS_PHY_CTL, tmp);
409 msleep(100);
410 tmp &= ~PCTL_LINK_RST;
411 mw32(MVS_PHY_CTL, tmp);
412 msleep(100);
413 }
414
415
416 mw32(MVS_PORTS_IMP, 0xFF);
417
418 if (revision == VANIR_A0_REV) {
419 mw32(MVS_PA_VSR_ADDR, CMD_CMWK_OOB_DET);
420 mw32(MVS_PA_VSR_PORT, 0x00018080);
421 }
422 mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE2);
423 if (revision == VANIR_A0_REV || revision == VANIR_B0_REV)
424
425 mw32(MVS_PA_VSR_PORT, 0x0084d4fe);
426 else
427
428 mw32(MVS_PA_VSR_PORT, 0x0084fffe);
429
430 if (revision == VANIR_B0_REV) {
431 mw32(MVS_PA_VSR_ADDR, CMD_APP_MEM_CTL);
432 mw32(MVS_PA_VSR_PORT, 0x08001006);
433 mw32(MVS_PA_VSR_ADDR, CMD_HOST_RD_DATA);
434 mw32(MVS_PA_VSR_PORT, 0x0000705f);
435 }
436
437
438 mw32(MVS_PCS, 0);
439 mw32(MVS_STP_REG_SET_0, 0);
440 mw32(MVS_STP_REG_SET_1, 0);
441
442
443 mvs_phy_hacks(mvi);
444
445
446 tmp = mvs_cr32(mvi, CMD_SAS_CTL1);
447 if ((revision == VANIR_A0_REV) ||
448 (revision == VANIR_B0_REV) ||
449 (revision == VANIR_C0_REV)) {
450 tmp &= ~0xffff;
451 tmp |= 0x007f;
452 mvs_cw32(mvi, CMD_SAS_CTL1, tmp);
453 }
454
455
456 mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED);
457 tmp = mr32(MVS_PA_VSR_PORT);
458 tmp &= 0xFFFF00FF;
459 tmp |= 0x00003300;
460 mw32(MVS_PA_VSR_PORT, tmp);
461
462 mw32(MVS_CMD_LIST_LO, mvi->slot_dma);
463 mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16);
464
465 mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma);
466 mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
467
468 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ);
469 mw32(MVS_TX_LO, mvi->tx_dma);
470 mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16);
471
472 mw32(MVS_RX_CFG, MVS_RX_RING_SZ);
473 mw32(MVS_RX_LO, mvi->rx_dma);
474 mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16);
475
476 for (i = 0; i < mvi->chip->n_phy; i++) {
477 mvs_94xx_phy_disable(mvi, i);
478
479 mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4,
480 cpu_to_le64(mvi->phy[i].dev_sas_addr));
481
482 mvs_94xx_enable_xmt(mvi, i);
483 mvs_94xx_config_reg_from_hba(mvi, i);
484 mvs_94xx_phy_enable(mvi, i);
485
486 mvs_94xx_phy_reset(mvi, i, PHY_RST_HARD);
487 msleep(500);
488 mvs_94xx_detect_porttype(mvi, i);
489 }
490
491 if (mvi->flags & MVF_FLAG_SOC) {
492
493 writel(0x0E008000, regs + 0x000);
494 writel(0x59000008, regs + 0x004);
495 writel(0x20, regs + 0x008);
496 writel(0x20, regs + 0x00c);
497 writel(0x20, regs + 0x010);
498 writel(0x20, regs + 0x014);
499 writel(0x20, regs + 0x018);
500 writel(0x20, regs + 0x01c);
501 }
502 for (i = 0; i < mvi->chip->n_phy; i++) {
503
504 tmp = mvs_read_port_irq_stat(mvi, i);
505 tmp &= ~PHYEV_SIG_FIS;
506 mvs_write_port_irq_stat(mvi, i, tmp);
507
508
509 tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH |
510 PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ;
511 mvs_write_port_irq_mask(mvi, i, tmp);
512
513 msleep(100);
514 mvs_update_phyinfo(mvi, i, 1);
515 }
516
517
518 cctl = mr32(MVS_CTL);
519 cctl |= CCTL_ENDIAN_CMD;
520 cctl &= ~CCTL_ENDIAN_OPEN;
521 cctl |= CCTL_ENDIAN_RSP;
522 mw32_f(MVS_CTL, cctl);
523
524
525 tmp = mr32(MVS_PCS);
526 tmp |= PCS_CMD_RST;
527 tmp &= ~PCS_SELF_CLEAR;
528 mw32(MVS_PCS, tmp);
529
530
531
532
533 tmp = 0;
534 if (MVS_CHIP_SLOT_SZ > 0x1ff)
535 mw32(MVS_INT_COAL, 0x1ff | COAL_EN);
536 else
537 mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ | COAL_EN);
538
539
540 tmp = 0x10000 | interrupt_coalescing;
541 mw32(MVS_INT_COAL_TMOUT, tmp);
542
543
544 mw32(MVS_TX_CFG, 0);
545 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
546 mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN);
547
548 mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN |
549 PCS_CMD_EN | PCS_CMD_STOP_ERR);
550
551
552 tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
553 CINT_DMA_PCIE | CINT_NON_SPEC_NCQ_ERROR);
554 tmp |= CINT_PHY_MASK;
555 mw32(MVS_INT_MASK, tmp);
556
557 tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
558 tmp |= 0xFFFF0000;
559 mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
560
561
562 tmp = 0x003F003F;
563 mvs_cw32(mvi, CMD_PL_TIMER, tmp);
564
565
566 tmp = mvs_cr32(mvi, CMD_PORT_LAYER_TIMER1);
567 tmp |= 0xFFFF007F;
568 mvs_cw32(mvi, CMD_PORT_LAYER_TIMER1, tmp);
569
570
571
572 tmp = mvs_cr32(mvi, CMD_SL_MODE0);
573 tmp |= 0x00000300;
574
575 tmp &= 0xFFFFFFFE;
576 mvs_cw32(mvi, CMD_SL_MODE0, tmp);
577
578
579 mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
580
581 mvs_94xx_sgpio_init(mvi);
582
583 return 0;
584}
585
586static int mvs_94xx_ioremap(struct mvs_info *mvi)
587{
588 if (!mvs_ioremap(mvi, 2, -1)) {
589 mvi->regs_ex = mvi->regs + 0x10200;
590 mvi->regs += 0x20000;
591 if (mvi->id == 1)
592 mvi->regs += 0x4000;
593 return 0;
594 }
595 return -1;
596}
597
598static void mvs_94xx_iounmap(struct mvs_info *mvi)
599{
600 if (mvi->regs) {
601 mvi->regs -= 0x20000;
602 if (mvi->id == 1)
603 mvi->regs -= 0x4000;
604 mvs_iounmap(mvi->regs);
605 }
606}
607
608static void mvs_94xx_interrupt_enable(struct mvs_info *mvi)
609{
610 void __iomem *regs = mvi->regs_ex;
611 u32 tmp;
612
613 tmp = mr32(MVS_GBL_CTL);
614 tmp |= (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
615 mw32(MVS_GBL_INT_STAT, tmp);
616 writel(tmp, regs + 0x0C);
617 writel(tmp, regs + 0x10);
618 writel(tmp, regs + 0x14);
619 writel(tmp, regs + 0x18);
620 mw32(MVS_GBL_CTL, tmp);
621}
622
623static void mvs_94xx_interrupt_disable(struct mvs_info *mvi)
624{
625 void __iomem *regs = mvi->regs_ex;
626 u32 tmp;
627
628 tmp = mr32(MVS_GBL_CTL);
629
630 tmp &= ~(MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
631 mw32(MVS_GBL_INT_STAT, tmp);
632 writel(tmp, regs + 0x0C);
633 writel(tmp, regs + 0x10);
634 writel(tmp, regs + 0x14);
635 writel(tmp, regs + 0x18);
636 mw32(MVS_GBL_CTL, tmp);
637}
638
639static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq)
640{
641 void __iomem *regs = mvi->regs_ex;
642 u32 stat = 0;
643 if (!(mvi->flags & MVF_FLAG_SOC)) {
644 stat = mr32(MVS_GBL_INT_STAT);
645
646 if (!(stat & (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B)))
647 return 0;
648 }
649 return stat;
650}
651
652static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat)
653{
654 void __iomem *regs = mvi->regs;
655
656 if (((stat & MVS_IRQ_SAS_A) && mvi->id == 0) ||
657 ((stat & MVS_IRQ_SAS_B) && mvi->id == 1)) {
658 mw32_f(MVS_INT_STAT, CINT_DONE);
659
660 spin_lock(&mvi->lock);
661 mvs_int_full(mvi);
662 spin_unlock(&mvi->lock);
663 }
664 return IRQ_HANDLED;
665}
666
667static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx)
668{
669 u32 tmp;
670 tmp = mvs_cr32(mvi, MVS_COMMAND_ACTIVE+(slot_idx >> 3));
671 if (tmp & 1 << (slot_idx % 32)) {
672 mv_printk("command active %08X, slot [%x].\n", tmp, slot_idx);
673 mvs_cw32(mvi, MVS_COMMAND_ACTIVE + (slot_idx >> 3),
674 1 << (slot_idx % 32));
675 do {
676 tmp = mvs_cr32(mvi,
677 MVS_COMMAND_ACTIVE + (slot_idx >> 3));
678 } while (tmp & 1 << (slot_idx % 32));
679 }
680}
681
682static void
683mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all)
684{
685 void __iomem *regs = mvi->regs;
686 u32 tmp;
687
688 if (clear_all) {
689 tmp = mr32(MVS_INT_STAT_SRS_0);
690 if (tmp) {
691 mv_dprintk("check SRS 0 %08X.\n", tmp);
692 mw32(MVS_INT_STAT_SRS_0, tmp);
693 }
694 tmp = mr32(MVS_INT_STAT_SRS_1);
695 if (tmp) {
696 mv_dprintk("check SRS 1 %08X.\n", tmp);
697 mw32(MVS_INT_STAT_SRS_1, tmp);
698 }
699 } else {
700 if (reg_set > 31)
701 tmp = mr32(MVS_INT_STAT_SRS_1);
702 else
703 tmp = mr32(MVS_INT_STAT_SRS_0);
704
705 if (tmp & (1 << (reg_set % 32))) {
706 mv_dprintk("register set 0x%x was stopped.\n", reg_set);
707 if (reg_set > 31)
708 mw32(MVS_INT_STAT_SRS_1, 1 << (reg_set % 32));
709 else
710 mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32));
711 }
712 }
713}
714
715static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
716 u32 tfs)
717{
718 void __iomem *regs = mvi->regs;
719 u32 tmp;
720 mvs_94xx_clear_srs_irq(mvi, 0, 1);
721
722 tmp = mr32(MVS_INT_STAT);
723 mw32(MVS_INT_STAT, tmp | CINT_CI_STOP);
724 tmp = mr32(MVS_PCS) | 0xFF00;
725 mw32(MVS_PCS, tmp);
726}
727
728static void mvs_94xx_non_spec_ncq_error(struct mvs_info *mvi)
729{
730 void __iomem *regs = mvi->regs;
731 u32 err_0, err_1;
732 u8 i;
733 struct mvs_device *device;
734
735 err_0 = mr32(MVS_NON_NCQ_ERR_0);
736 err_1 = mr32(MVS_NON_NCQ_ERR_1);
737
738 mv_dprintk("non specific ncq error err_0:%x,err_1:%x.\n",
739 err_0, err_1);
740 for (i = 0; i < 32; i++) {
741 if (err_0 & bit(i)) {
742 device = mvs_find_dev_by_reg_set(mvi, i);
743 if (device)
744 mvs_release_task(mvi, device->sas_device);
745 }
746 if (err_1 & bit(i)) {
747 device = mvs_find_dev_by_reg_set(mvi, i+32);
748 if (device)
749 mvs_release_task(mvi, device->sas_device);
750 }
751 }
752
753 mw32(MVS_NON_NCQ_ERR_0, err_0);
754 mw32(MVS_NON_NCQ_ERR_1, err_1);
755}
756
757static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
758{
759 void __iomem *regs = mvi->regs;
760 u8 reg_set = *tfs;
761
762 if (*tfs == MVS_ID_NOT_MAPPED)
763 return;
764
765 mvi->sata_reg_set &= ~bit(reg_set);
766 if (reg_set < 32)
767 w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set);
768 else
769 w_reg_set_enable(reg_set, (u32)(mvi->sata_reg_set >> 32));
770
771 *tfs = MVS_ID_NOT_MAPPED;
772
773 return;
774}
775
776static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs)
777{
778 int i;
779 void __iomem *regs = mvi->regs;
780
781 if (*tfs != MVS_ID_NOT_MAPPED)
782 return 0;
783
784 i = mv_ffc64(mvi->sata_reg_set);
785 if (i >= 32) {
786 mvi->sata_reg_set |= bit(i);
787 w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32));
788 *tfs = i;
789 return 0;
790 } else if (i >= 0) {
791 mvi->sata_reg_set |= bit(i);
792 w_reg_set_enable(i, (u32)mvi->sata_reg_set);
793 *tfs = i;
794 return 0;
795 }
796 return MVS_ID_NOT_MAPPED;
797}
798
799static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd)
800{
801 int i;
802 struct scatterlist *sg;
803 struct mvs_prd *buf_prd = prd;
804 struct mvs_prd_imt im_len;
805 *(u32 *)&im_len = 0;
806 for_each_sg(scatter, sg, nr, i) {
807 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
808 im_len.len = sg_dma_len(sg);
809 buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
810 buf_prd++;
811 }
812}
813
814static int mvs_94xx_oob_done(struct mvs_info *mvi, int i)
815{
816 u32 phy_st;
817 phy_st = mvs_read_phy_ctl(mvi, i);
818 if (phy_st & PHY_READY_MASK)
819 return 1;
820 return 0;
821}
822
823static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id,
824 struct sas_identify_frame *id)
825{
826 int i;
827 u32 id_frame[7];
828
829 for (i = 0; i < 7; i++) {
830 mvs_write_port_cfg_addr(mvi, port_id,
831 CONFIG_ID_FRAME0 + i * 4);
832 id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
833 }
834 memcpy(id, id_frame, 28);
835}
836
837static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id,
838 struct sas_identify_frame *id)
839{
840 int i;
841 u32 id_frame[7];
842
843 for (i = 0; i < 7; i++) {
844 mvs_write_port_cfg_addr(mvi, port_id,
845 CONFIG_ATT_ID_FRAME0 + i * 4);
846 id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
847 mv_dprintk("94xx phy %d atta frame %d %x.\n",
848 port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]);
849 }
850 memcpy(id, id_frame, 28);
851}
852
853static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id)
854{
855 u32 att_dev_info = 0;
856
857 att_dev_info |= id->dev_type;
858 if (id->stp_iport)
859 att_dev_info |= PORT_DEV_STP_INIT;
860 if (id->smp_iport)
861 att_dev_info |= PORT_DEV_SMP_INIT;
862 if (id->ssp_iport)
863 att_dev_info |= PORT_DEV_SSP_INIT;
864 if (id->stp_tport)
865 att_dev_info |= PORT_DEV_STP_TRGT;
866 if (id->smp_tport)
867 att_dev_info |= PORT_DEV_SMP_TRGT;
868 if (id->ssp_tport)
869 att_dev_info |= PORT_DEV_SSP_TRGT;
870
871 att_dev_info |= (u32)id->phy_id<<24;
872 return att_dev_info;
873}
874
875static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id)
876{
877 return mvs_94xx_make_dev_info(id);
878}
879
880static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
881 struct sas_identify_frame *id)
882{
883 struct mvs_phy *phy = &mvi->phy[i];
884 struct asd_sas_phy *sas_phy = &phy->sas_phy;
885 mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status);
886 sas_phy->linkrate =
887 (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
888 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
889 sas_phy->linkrate += 0x8;
890 mv_dprintk("get link rate is %d\n", sas_phy->linkrate);
891 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
892 phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
893 mvs_94xx_get_dev_identify_frame(mvi, i, id);
894 phy->dev_info = mvs_94xx_make_dev_info(id);
895
896 if (phy->phy_type & PORT_TYPE_SAS) {
897 mvs_94xx_get_att_identify_frame(mvi, i, id);
898 phy->att_dev_info = mvs_94xx_make_att_info(id);
899 phy->att_dev_sas_addr = *(u64 *)id->sas_addr;
900 } else {
901 phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
902 }
903
904
905 mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
906 mvs_write_port_cfg_data(mvi, i, 0x04);
907
908}
909
910static void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
911 struct sas_phy_linkrates *rates)
912{
913 u32 lrmax = 0;
914 u32 tmp;
915
916 tmp = mvs_read_phy_ctl(mvi, phy_id);
917 lrmax = (rates->maximum_linkrate - SAS_LINK_RATE_1_5_GBPS) << 12;
918
919 if (lrmax) {
920 tmp &= ~(0x3 << 12);
921 tmp |= lrmax;
922 }
923 mvs_write_phy_ctl(mvi, phy_id, tmp);
924 mvs_94xx_phy_reset(mvi, phy_id, PHY_RST_HARD);
925}
926
927static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi)
928{
929 u32 tmp;
930 void __iomem *regs = mvi->regs;
931 tmp = mr32(MVS_STP_REG_SET_0);
932 mw32(MVS_STP_REG_SET_0, 0);
933 mw32(MVS_STP_REG_SET_0, tmp);
934 tmp = mr32(MVS_STP_REG_SET_1);
935 mw32(MVS_STP_REG_SET_1, 0);
936 mw32(MVS_STP_REG_SET_1, tmp);
937}
938
939
940static u32 mvs_94xx_spi_read_data(struct mvs_info *mvi)
941{
942 void __iomem *regs = mvi->regs_ex - 0x10200;
943 return mr32(SPI_RD_DATA_REG_94XX);
944}
945
946static void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data)
947{
948 void __iomem *regs = mvi->regs_ex - 0x10200;
949 mw32(SPI_RD_DATA_REG_94XX, data);
950}
951
952
953static int mvs_94xx_spi_buildcmd(struct mvs_info *mvi,
954 u32 *dwCmd,
955 u8 cmd,
956 u8 read,
957 u8 length,
958 u32 addr
959 )
960{
961 void __iomem *regs = mvi->regs_ex - 0x10200;
962 u32 dwTmp;
963
964 dwTmp = ((u32)cmd << 8) | ((u32)length << 4);
965 if (read)
966 dwTmp |= SPI_CTRL_READ_94XX;
967
968 if (addr != MV_MAX_U32) {
969 mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL));
970 dwTmp |= SPI_ADDR_VLD_94XX;
971 }
972
973 *dwCmd = dwTmp;
974 return 0;
975}
976
977
978static int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd)
979{
980 void __iomem *regs = mvi->regs_ex - 0x10200;
981 mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX);
982
983 return 0;
984}
985
986static int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout)
987{
988 void __iomem *regs = mvi->regs_ex - 0x10200;
989 u32 i, dwTmp;
990
991 for (i = 0; i < timeout; i++) {
992 dwTmp = mr32(SPI_CTRL_REG_94XX);
993 if (!(dwTmp & SPI_CTRL_SpiStart_94XX))
994 return 0;
995 msleep(10);
996 }
997
998 return -1;
999}
1000
1001static void mvs_94xx_fix_dma(struct mvs_info *mvi, u32 phy_mask,
1002 int buf_len, int from, void *prd)
1003{
1004 int i;
1005 struct mvs_prd *buf_prd = prd;
1006 dma_addr_t buf_dma;
1007 struct mvs_prd_imt im_len;
1008
1009 *(u32 *)&im_len = 0;
1010 buf_prd += from;
1011
1012#define PRD_CHAINED_ENTRY 0x01
1013 if ((mvi->pdev->revision == VANIR_A0_REV) ||
1014 (mvi->pdev->revision == VANIR_B0_REV))
1015 buf_dma = (phy_mask <= 0x08) ?
1016 mvi->bulk_buffer_dma : mvi->bulk_buffer_dma1;
1017 else
1018 return;
1019
1020 for (i = from; i < MAX_SG_ENTRY; i++, ++buf_prd) {
1021 if (i == MAX_SG_ENTRY - 1) {
1022 buf_prd->addr = cpu_to_le64(virt_to_phys(buf_prd - 1));
1023 im_len.len = 2;
1024 im_len.misc_ctl = PRD_CHAINED_ENTRY;
1025 } else {
1026 buf_prd->addr = cpu_to_le64(buf_dma);
1027 im_len.len = buf_len;
1028 }
1029 buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
1030 }
1031}
1032
1033static void mvs_94xx_tune_interrupt(struct mvs_info *mvi, u32 time)
1034{
1035 void __iomem *regs = mvi->regs;
1036 u32 tmp = 0;
1037
1038
1039
1040
1041 if (time == 0) {
1042 mw32(MVS_INT_COAL, 0);
1043 mw32(MVS_INT_COAL_TMOUT, 0x10000);
1044 } else {
1045 if (MVS_CHIP_SLOT_SZ > 0x1ff)
1046 mw32(MVS_INT_COAL, 0x1ff|COAL_EN);
1047 else
1048 mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ|COAL_EN);
1049
1050 tmp = 0x10000 | time;
1051 mw32(MVS_INT_COAL_TMOUT, tmp);
1052 }
1053
1054}
1055
1056static int mvs_94xx_gpio_write(struct mvs_prv_info *mvs_prv,
1057 u8 reg_type, u8 reg_index,
1058 u8 reg_count, u8 *write_data)
1059{
1060 int i;
1061
1062 switch (reg_type) {
1063
1064 case SAS_GPIO_REG_TX_GP:
1065 if (reg_index == 0)
1066 return -EINVAL;
1067
1068 if (reg_count > 1)
1069 return -EINVAL;
1070
1071 if (reg_count == 0)
1072 return 0;
1073
1074
1075 for (i = 0; i < mvs_prv->n_host * 4 * 3; i++) {
1076
1077
1078 struct mvs_info *mvi = mvs_prv->mvi[i/(4*3)];
1079
1080 void __iomem *regs = mvi->regs_ex - 0x10200;
1081
1082 int drive = (i/3) & (4-1);
1083 u32 block = mr32(MVS_SGPIO_DCTRL +
1084 MVS_SGPIO_HOST_OFFSET * mvi->id);
1085
1086
1087
1088
1089
1090
1091 u32 bit = (write_data[i/8] & (1 << (i&(8-1)))) ?
1092 1<<(24-drive*8) : 0;
1093
1094
1095
1096
1097
1098 switch (i%3) {
1099 case 0:
1100 block &= ~((0x7 << MVS_SGPIO_DCTRL_ACT_SHIFT)
1101 << (24-drive*8));
1102
1103 block |= LED_BLINKA_SOF << (
1104 MVS_SGPIO_DCTRL_ACT_SHIFT +
1105 (24-drive*8));
1106 break;
1107 case 1:
1108 block &= ~((0x3 << MVS_SGPIO_DCTRL_LOC_SHIFT)
1109 << (24-drive*8));
1110 block |= bit << MVS_SGPIO_DCTRL_LOC_SHIFT;
1111 break;
1112 case 2:
1113 block &= ~((0x7 << MVS_SGPIO_DCTRL_ERR_SHIFT)
1114 << (24-drive*8));
1115 block |= bit << MVS_SGPIO_DCTRL_ERR_SHIFT;
1116 break;
1117 }
1118
1119 mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
1120 block);
1121
1122 }
1123
1124 return reg_count;
1125
1126 case SAS_GPIO_REG_TX:
1127 if (reg_index + reg_count > mvs_prv->n_host)
1128 return -EINVAL;
1129
1130 for (i = 0; i < reg_count; i++) {
1131 struct mvs_info *mvi = mvs_prv->mvi[i+reg_index];
1132 void __iomem *regs = mvi->regs_ex - 0x10200;
1133
1134 mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
1135 be32_to_cpu(((u32 *) write_data)[i]));
1136 }
1137 return reg_count;
1138 }
1139 return -ENOSYS;
1140}
1141
1142const struct mvs_dispatch mvs_94xx_dispatch = {
1143 "mv94xx",
1144 mvs_94xx_init,
1145 NULL,
1146 mvs_94xx_ioremap,
1147 mvs_94xx_iounmap,
1148 mvs_94xx_isr,
1149 mvs_94xx_isr_status,
1150 mvs_94xx_interrupt_enable,
1151 mvs_94xx_interrupt_disable,
1152 mvs_read_phy_ctl,
1153 mvs_write_phy_ctl,
1154 mvs_read_port_cfg_data,
1155 mvs_write_port_cfg_data,
1156 mvs_write_port_cfg_addr,
1157 mvs_read_port_vsr_data,
1158 mvs_write_port_vsr_data,
1159 mvs_write_port_vsr_addr,
1160 mvs_read_port_irq_stat,
1161 mvs_write_port_irq_stat,
1162 mvs_read_port_irq_mask,
1163 mvs_write_port_irq_mask,
1164 mvs_94xx_command_active,
1165 mvs_94xx_clear_srs_irq,
1166 mvs_94xx_issue_stop,
1167 mvs_start_delivery,
1168 mvs_rx_update,
1169 mvs_int_full,
1170 mvs_94xx_assign_reg_set,
1171 mvs_94xx_free_reg_set,
1172 mvs_get_prd_size,
1173 mvs_get_prd_count,
1174 mvs_94xx_make_prd,
1175 mvs_94xx_detect_porttype,
1176 mvs_94xx_oob_done,
1177 mvs_94xx_fix_phy_info,
1178 NULL,
1179 mvs_94xx_phy_set_link_rate,
1180 mvs_hw_max_link_rate,
1181 mvs_94xx_phy_disable,
1182 mvs_94xx_phy_enable,
1183 mvs_94xx_phy_reset,
1184 NULL,
1185 mvs_94xx_clear_active_cmds,
1186 mvs_94xx_spi_read_data,
1187 mvs_94xx_spi_write_data,
1188 mvs_94xx_spi_buildcmd,
1189 mvs_94xx_spi_issuecmd,
1190 mvs_94xx_spi_waitdataready,
1191 mvs_94xx_fix_dma,
1192 mvs_94xx_tune_interrupt,
1193 mvs_94xx_non_spec_ncq_error,
1194 mvs_94xx_gpio_write,
1195};
1196
1197
