1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Marvell 88SE94xx hardware specific
4 *
5 * Copyright 2007 Red Hat, Inc.
6 * Copyright 2008 Marvell. <kewei@marvell.com>
7 * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
8 */
9
10 #include "mv_sas.h"
11 #include "mv_94xx.h"
12 #include "mv_chips.h"
13
mvs_94xx_detect_porttype(struct mvs_info * mvi,int i)14 static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i)
15 {
16 u32 reg;
17 struct mvs_phy *phy = &mvi->phy[i];
18 u32 phy_status;
19
20 mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3);
21 reg = mvs_read_port_vsr_data(mvi, i);
22 phy_status = ((reg & 0x3f0000) >> 16) & 0xff;
23 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
24 switch (phy_status) {
25 case 0x10:
26 phy->phy_type |= PORT_TYPE_SAS;
27 break;
28 case 0x1d:
29 default:
30 phy->phy_type |= PORT_TYPE_SATA;
31 break;
32 }
33 }
34
set_phy_tuning(struct mvs_info * mvi,int phy_id,struct phy_tuning phy_tuning)35 static void set_phy_tuning(struct mvs_info *mvi, int phy_id,
36 struct phy_tuning phy_tuning)
37 {
38 u32 tmp, setting_0 = 0, setting_1 = 0;
39 u8 i;
40
41 /* Remap information for B0 chip:
42 *
43 * R0Ch -> R118h[15:0] (Adapted DFE F3 - F5 coefficient)
44 * R0Dh -> R118h[31:16] (Generation 1 Setting 0)
45 * R0Eh -> R11Ch[15:0] (Generation 1 Setting 1)
46 * R0Fh -> R11Ch[31:16] (Generation 2 Setting 0)
47 * R10h -> R120h[15:0] (Generation 2 Setting 1)
48 * R11h -> R120h[31:16] (Generation 3 Setting 0)
49 * R12h -> R124h[15:0] (Generation 3 Setting 1)
50 * R13h -> R124h[31:16] (Generation 4 Setting 0 (Reserved))
51 */
52
53 /* A0 has a different set of registers */
54 if (mvi->pdev->revision == VANIR_A0_REV)
55 return;
56
57 for (i = 0; i < 3; i++) {
58 /* loop 3 times, set Gen 1, Gen 2, Gen 3 */
59 switch (i) {
60 case 0:
61 setting_0 = GENERATION_1_SETTING;
62 setting_1 = GENERATION_1_2_SETTING;
63 break;
64 case 1:
65 setting_0 = GENERATION_1_2_SETTING;
66 setting_1 = GENERATION_2_3_SETTING;
67 break;
68 case 2:
69 setting_0 = GENERATION_2_3_SETTING;
70 setting_1 = GENERATION_3_4_SETTING;
71 break;
72 }
73
74 /* Set:
75 *
76 * Transmitter Emphasis Enable
77 * Transmitter Emphasis Amplitude
78 * Transmitter Amplitude
79 */
80 mvs_write_port_vsr_addr(mvi, phy_id, setting_0);
81 tmp = mvs_read_port_vsr_data(mvi, phy_id);
82 tmp &= ~(0xFBE << 16);
83 tmp |= (((phy_tuning.trans_emp_en << 11) |
84 (phy_tuning.trans_emp_amp << 7) |
85 (phy_tuning.trans_amp << 1)) << 16);
86 mvs_write_port_vsr_data(mvi, phy_id, tmp);
87
88 /* Set Transmitter Amplitude Adjust */
89 mvs_write_port_vsr_addr(mvi, phy_id, setting_1);
90 tmp = mvs_read_port_vsr_data(mvi, phy_id);
91 tmp &= ~(0xC000);
92 tmp |= (phy_tuning.trans_amp_adj << 14);
93 mvs_write_port_vsr_data(mvi, phy_id, tmp);
94 }
95 }
96
set_phy_ffe_tuning(struct mvs_info * mvi,int phy_id,struct ffe_control ffe)97 static void set_phy_ffe_tuning(struct mvs_info *mvi, int phy_id,
98 struct ffe_control ffe)
99 {
100 u32 tmp;
101
102 /* Don't run this if A0/B0 */
103 if ((mvi->pdev->revision == VANIR_A0_REV)
104 || (mvi->pdev->revision == VANIR_B0_REV))
105 return;
106
107 /* FFE Resistor and Capacitor */
108 /* R10Ch DFE Resolution Control/Squelch and FFE Setting
109 *
110 * FFE_FORCE [7]
111 * FFE_RES_SEL [6:4]
112 * FFE_CAP_SEL [3:0]
113 */
114 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_FFE_CONTROL);
115 tmp = mvs_read_port_vsr_data(mvi, phy_id);
116 tmp &= ~0xFF;
117
118 /* Read from HBA_Info_Page */
119 tmp |= ((0x1 << 7) |
120 (ffe.ffe_rss_sel << 4) |
121 (ffe.ffe_cap_sel << 0));
122
123 mvs_write_port_vsr_data(mvi, phy_id, tmp);
124
125 /* R064h PHY Mode Register 1
126 *
127 * DFE_DIS 18
128 */
129 mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
130 tmp = mvs_read_port_vsr_data(mvi, phy_id);
131 tmp &= ~0x40001;
132 /* Hard coding */
133 /* No defines in HBA_Info_Page */
134 tmp |= (0 << 18);
135 mvs_write_port_vsr_data(mvi, phy_id, tmp);
136
137 /* R110h DFE F0-F1 Coefficient Control/DFE Update Control
138 *
139 * DFE_UPDATE_EN [11:6]
140 * DFE_FX_FORCE [5:0]
141 */
142 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_DFE_UPDATE_CRTL);
143 tmp = mvs_read_port_vsr_data(mvi, phy_id);
144 tmp &= ~0xFFF;
145 /* Hard coding */
146 /* No defines in HBA_Info_Page */
147 tmp |= ((0x3F << 6) | (0x0 << 0));
148 mvs_write_port_vsr_data(mvi, phy_id, tmp);
149
150 /* R1A0h Interface and Digital Reference Clock Control/Reserved_50h
151 *
152 * FFE_TRAIN_EN 3
153 */
154 mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
155 tmp = mvs_read_port_vsr_data(mvi, phy_id);
156 tmp &= ~0x8;
157 /* Hard coding */
158 /* No defines in HBA_Info_Page */
159 tmp |= (0 << 3);
160 mvs_write_port_vsr_data(mvi, phy_id, tmp);
161 }
162
163 /*Notice: this function must be called when phy is disabled*/
set_phy_rate(struct mvs_info * mvi,int phy_id,u8 rate)164 static void set_phy_rate(struct mvs_info *mvi, int phy_id, u8 rate)
165 {
166 union reg_phy_cfg phy_cfg, phy_cfg_tmp;
167 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
168 phy_cfg_tmp.v = mvs_read_port_vsr_data(mvi, phy_id);
169 phy_cfg.v = 0;
170 phy_cfg.u.disable_phy = phy_cfg_tmp.u.disable_phy;
171 phy_cfg.u.sas_support = 1;
172 phy_cfg.u.sata_support = 1;
173 phy_cfg.u.sata_host_mode = 1;
174
175 switch (rate) {
176 case 0x0:
177 /* support 1.5 Gbps */
178 phy_cfg.u.speed_support = 1;
179 phy_cfg.u.snw_3_support = 0;
180 phy_cfg.u.tx_lnk_parity = 1;
181 phy_cfg.u.tx_spt_phs_lnk_rate = 0x30;
182 break;
183 case 0x1:
184
185 /* support 1.5, 3.0 Gbps */
186 phy_cfg.u.speed_support = 3;
187 phy_cfg.u.tx_spt_phs_lnk_rate = 0x3c;
188 phy_cfg.u.tx_lgcl_lnk_rate = 0x08;
189 break;
190 case 0x2:
191 default:
192 /* support 1.5, 3.0, 6.0 Gbps */
193 phy_cfg.u.speed_support = 7;
194 phy_cfg.u.snw_3_support = 1;
195 phy_cfg.u.tx_lnk_parity = 1;
196 phy_cfg.u.tx_spt_phs_lnk_rate = 0x3f;
197 phy_cfg.u.tx_lgcl_lnk_rate = 0x09;
198 break;
199 }
200 mvs_write_port_vsr_data(mvi, phy_id, phy_cfg.v);
201 }
202
mvs_94xx_config_reg_from_hba(struct mvs_info * mvi,int phy_id)203 static void mvs_94xx_config_reg_from_hba(struct mvs_info *mvi, int phy_id)
204 {
205 u32 temp;
206 temp = (u32)(*(u32 *)&mvi->hba_info_param.phy_tuning[phy_id]);
207 if (temp == 0xFFFFFFFFL) {
208 mvi->hba_info_param.phy_tuning[phy_id].trans_emp_amp = 0x6;
209 mvi->hba_info_param.phy_tuning[phy_id].trans_amp = 0x1A;
210 mvi->hba_info_param.phy_tuning[phy_id].trans_amp_adj = 0x3;
211 }
212
213 temp = (u8)(*(u8 *)&mvi->hba_info_param.ffe_ctl[phy_id]);
214 if (temp == 0xFFL) {
215 switch (mvi->pdev->revision) {
216 case VANIR_A0_REV:
217 case VANIR_B0_REV:
218 mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
219 mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0x7;
220 break;
221 case VANIR_C0_REV:
222 case VANIR_C1_REV:
223 case VANIR_C2_REV:
224 default:
225 mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
226 mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0xC;
227 break;
228 }
229 }
230
231 temp = (u8)(*(u8 *)&mvi->hba_info_param.phy_rate[phy_id]);
232 if (temp == 0xFFL)
233 /*set default phy_rate = 6Gbps*/
234 mvi->hba_info_param.phy_rate[phy_id] = 0x2;
235
236 set_phy_tuning(mvi, phy_id,
237 mvi->hba_info_param.phy_tuning[phy_id]);
238 set_phy_ffe_tuning(mvi, phy_id,
239 mvi->hba_info_param.ffe_ctl[phy_id]);
240 set_phy_rate(mvi, phy_id,
241 mvi->hba_info_param.phy_rate[phy_id]);
242 }
243
mvs_94xx_enable_xmt(struct mvs_info * mvi,int phy_id)244 static void mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id)
245 {
246 void __iomem *regs = mvi->regs;
247 u32 tmp;
248
249 tmp = mr32(MVS_PCS);
250 tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2);
251 mw32(MVS_PCS, tmp);
252 }
253
mvs_94xx_phy_reset(struct mvs_info * mvi,u32 phy_id,int hard)254 static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
255 {
256 u32 tmp;
257 u32 delay = 5000;
258 if (hard == MVS_PHY_TUNE) {
259 mvs_write_port_cfg_addr(mvi, phy_id, PHYR_SATA_CTL);
260 tmp = mvs_read_port_cfg_data(mvi, phy_id);
261 mvs_write_port_cfg_data(mvi, phy_id, tmp|0x20000000);
262 mvs_write_port_cfg_data(mvi, phy_id, tmp|0x100000);
263 return;
264 }
265 tmp = mvs_read_port_irq_stat(mvi, phy_id);
266 tmp &= ~PHYEV_RDY_CH;
267 mvs_write_port_irq_stat(mvi, phy_id, tmp);
268 if (hard) {
269 tmp = mvs_read_phy_ctl(mvi, phy_id);
270 tmp |= PHY_RST_HARD;
271 mvs_write_phy_ctl(mvi, phy_id, tmp);
272 do {
273 tmp = mvs_read_phy_ctl(mvi, phy_id);
274 udelay(10);
275 delay--;
276 } while ((tmp & PHY_RST_HARD) && delay);
277 if (!delay)
278 mv_dprintk("phy hard reset failed.\n");
279 } else {
280 tmp = mvs_read_phy_ctl(mvi, phy_id);
281 tmp |= PHY_RST;
282 mvs_write_phy_ctl(mvi, phy_id, tmp);
283 }
284 }
285
mvs_94xx_phy_disable(struct mvs_info * mvi,u32 phy_id)286 static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id)
287 {
288 u32 tmp;
289 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
290 tmp = mvs_read_port_vsr_data(mvi, phy_id);
291 mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000);
292 }
293
mvs_94xx_phy_enable(struct mvs_info * mvi,u32 phy_id)294 static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id)
295 {
296 u32 tmp;
297 u8 revision = 0;
298
299 revision = mvi->pdev->revision;
300 if (revision == VANIR_A0_REV) {
301 mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
302 mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1);
303 }
304 if (revision == VANIR_B0_REV) {
305 mvs_write_port_vsr_addr(mvi, phy_id, CMD_APP_MEM_CTL);
306 mvs_write_port_vsr_data(mvi, phy_id, 0x08001006);
307 mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
308 mvs_write_port_vsr_data(mvi, phy_id, 0x0000705f);
309 }
310
311 mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
312 tmp = mvs_read_port_vsr_data(mvi, phy_id);
313 tmp |= bit(0);
314 mvs_write_port_vsr_data(mvi, phy_id, tmp & 0xfd7fffff);
315 }
316
mvs_94xx_sgpio_init(struct mvs_info * mvi)317 static void mvs_94xx_sgpio_init(struct mvs_info *mvi)
318 {
319 void __iomem *regs = mvi->regs_ex - 0x10200;
320 u32 tmp;
321
322 tmp = mr32(MVS_HST_CHIP_CONFIG);
323 tmp |= 0x100;
324 mw32(MVS_HST_CHIP_CONFIG, tmp);
325
326 mw32(MVS_SGPIO_CTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
327 MVS_SGPIO_CTRL_SDOUT_AUTO << MVS_SGPIO_CTRL_SDOUT_SHIFT);
328
329 mw32(MVS_SGPIO_CFG1 + MVS_SGPIO_HOST_OFFSET * mvi->id,
330 8 << MVS_SGPIO_CFG1_LOWA_SHIFT |
331 8 << MVS_SGPIO_CFG1_HIA_SHIFT |
332 4 << MVS_SGPIO_CFG1_LOWB_SHIFT |
333 4 << MVS_SGPIO_CFG1_HIB_SHIFT |
334 2 << MVS_SGPIO_CFG1_MAXACTON_SHIFT |
335 1 << MVS_SGPIO_CFG1_FORCEACTOFF_SHIFT
336 );
337
338 mw32(MVS_SGPIO_CFG2 + MVS_SGPIO_HOST_OFFSET * mvi->id,
339 (300000 / 100) << MVS_SGPIO_CFG2_CLK_SHIFT | /* 100kHz clock */
340 66 << MVS_SGPIO_CFG2_BLINK_SHIFT /* (66 * 0,121 Hz?)*/
341 );
342
343 mw32(MVS_SGPIO_CFG0 + MVS_SGPIO_HOST_OFFSET * mvi->id,
344 MVS_SGPIO_CFG0_ENABLE |
345 MVS_SGPIO_CFG0_BLINKA |
346 MVS_SGPIO_CFG0_BLINKB |
347 /* 3*4 data bits / PDU */
348 (12 - 1) << MVS_SGPIO_CFG0_AUT_BITLEN_SHIFT
349 );
350
351 mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
352 DEFAULT_SGPIO_BITS);
353
354 mw32(MVS_SGPIO_DSRC + MVS_SGPIO_HOST_OFFSET * mvi->id,
355 ((mvi->id * 4) + 3) << (8 * 3) |
356 ((mvi->id * 4) + 2) << (8 * 2) |
357 ((mvi->id * 4) + 1) << (8 * 1) |
358 ((mvi->id * 4) + 0) << (8 * 0));
359
360 }
361
mvs_94xx_init(struct mvs_info * mvi)362 static int mvs_94xx_init(struct mvs_info *mvi)
363 {
364 void __iomem *regs = mvi->regs;
365 int i;
366 u32 tmp, cctl;
367 u8 revision;
368
369 revision = mvi->pdev->revision;
370 mvs_show_pcie_usage(mvi);
371 if (mvi->flags & MVF_FLAG_SOC) {
372 tmp = mr32(MVS_PHY_CTL);
373 tmp &= ~PCTL_PWR_OFF;
374 tmp |= PCTL_PHY_DSBL;
375 mw32(MVS_PHY_CTL, tmp);
376 }
377
378 /* Init Chip */
379 /* make sure RST is set; HBA_RST /should/ have done that for us */
380 cctl = mr32(MVS_CTL) & 0xFFFF;
381 if (cctl & CCTL_RST)
382 cctl &= ~CCTL_RST;
383 else
384 mw32_f(MVS_CTL, cctl | CCTL_RST);
385
386 if (mvi->flags & MVF_FLAG_SOC) {
387 tmp = mr32(MVS_PHY_CTL);
388 tmp &= ~PCTL_PWR_OFF;
389 tmp |= PCTL_COM_ON;
390 tmp &= ~PCTL_PHY_DSBL;
391 tmp |= PCTL_LINK_RST;
392 mw32(MVS_PHY_CTL, tmp);
393 msleep(100);
394 tmp &= ~PCTL_LINK_RST;
395 mw32(MVS_PHY_CTL, tmp);
396 msleep(100);
397 }
398
399 /* disable Multiplexing, enable phy implemented */
400 mw32(MVS_PORTS_IMP, 0xFF);
401
402 if (revision == VANIR_A0_REV) {
403 mw32(MVS_PA_VSR_ADDR, CMD_CMWK_OOB_DET);
404 mw32(MVS_PA_VSR_PORT, 0x00018080);
405 }
406 mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE2);
407 if (revision == VANIR_A0_REV || revision == VANIR_B0_REV)
408 /* set 6G/3G/1.5G, multiplexing, without SSC */
409 mw32(MVS_PA_VSR_PORT, 0x0084d4fe);
410 else
411 /* set 6G/3G/1.5G, multiplexing, with and without SSC */
412 mw32(MVS_PA_VSR_PORT, 0x0084fffe);
413
414 if (revision == VANIR_B0_REV) {
415 mw32(MVS_PA_VSR_ADDR, CMD_APP_MEM_CTL);
416 mw32(MVS_PA_VSR_PORT, 0x08001006);
417 mw32(MVS_PA_VSR_ADDR, CMD_HOST_RD_DATA);
418 mw32(MVS_PA_VSR_PORT, 0x0000705f);
419 }
420
421 /* reset control */
422 mw32(MVS_PCS, 0); /* MVS_PCS */
423 mw32(MVS_STP_REG_SET_0, 0);
424 mw32(MVS_STP_REG_SET_1, 0);
425
426 /* init phys */
427 mvs_phy_hacks(mvi);
428
429 /* disable non data frame retry */
430 tmp = mvs_cr32(mvi, CMD_SAS_CTL1);
431 if ((revision == VANIR_A0_REV) ||
432 (revision == VANIR_B0_REV) ||
433 (revision == VANIR_C0_REV)) {
434 tmp &= ~0xffff;
435 tmp |= 0x007f;
436 mvs_cw32(mvi, CMD_SAS_CTL1, tmp);
437 }
438
439 /* set LED blink when IO*/
440 mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED);
441 tmp = mr32(MVS_PA_VSR_PORT);
442 tmp &= 0xFFFF00FF;
443 tmp |= 0x00003300;
444 mw32(MVS_PA_VSR_PORT, tmp);
445
446 mw32(MVS_CMD_LIST_LO, mvi->slot_dma);
447 mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16);
448
449 mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma);
450 mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
451
452 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ);
453 mw32(MVS_TX_LO, mvi->tx_dma);
454 mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16);
455
456 mw32(MVS_RX_CFG, MVS_RX_RING_SZ);
457 mw32(MVS_RX_LO, mvi->rx_dma);
458 mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16);
459
460 for (i = 0; i < mvi->chip->n_phy; i++) {
461 mvs_94xx_phy_disable(mvi, i);
462 /* set phy local SAS address */
463 mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4,
464 cpu_to_le64(mvi->phy[i].dev_sas_addr));
465
466 mvs_94xx_enable_xmt(mvi, i);
467 mvs_94xx_config_reg_from_hba(mvi, i);
468 mvs_94xx_phy_enable(mvi, i);
469
470 mvs_94xx_phy_reset(mvi, i, PHY_RST_HARD);
471 msleep(500);
472 mvs_94xx_detect_porttype(mvi, i);
473 }
474
475 if (mvi->flags & MVF_FLAG_SOC) {
476 /* set select registers */
477 writel(0x0E008000, regs + 0x000);
478 writel(0x59000008, regs + 0x004);
479 writel(0x20, regs + 0x008);
480 writel(0x20, regs + 0x00c);
481 writel(0x20, regs + 0x010);
482 writel(0x20, regs + 0x014);
483 writel(0x20, regs + 0x018);
484 writel(0x20, regs + 0x01c);
485 }
486 for (i = 0; i < mvi->chip->n_phy; i++) {
487 /* clear phy int status */
488 tmp = mvs_read_port_irq_stat(mvi, i);
489 tmp &= ~PHYEV_SIG_FIS;
490 mvs_write_port_irq_stat(mvi, i, tmp);
491
492 /* set phy int mask */
493 tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH |
494 PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ;
495 mvs_write_port_irq_mask(mvi, i, tmp);
496
497 msleep(100);
498 mvs_update_phyinfo(mvi, i, 1);
499 }
500
501 /* little endian for open address and command table, etc. */
502 cctl = mr32(MVS_CTL);
503 cctl |= CCTL_ENDIAN_CMD;
504 cctl &= ~CCTL_ENDIAN_OPEN;
505 cctl |= CCTL_ENDIAN_RSP;
506 mw32_f(MVS_CTL, cctl);
507
508 /* reset CMD queue */
509 tmp = mr32(MVS_PCS);
510 tmp |= PCS_CMD_RST;
511 tmp &= ~PCS_SELF_CLEAR;
512 mw32(MVS_PCS, tmp);
513 /*
514 * the max count is 0x1ff, while our max slot is 0x200,
515 * it will make count 0.
516 */
517 tmp = 0;
518 if (MVS_CHIP_SLOT_SZ > 0x1ff)
519 mw32(MVS_INT_COAL, 0x1ff | COAL_EN);
520 else
521 mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ | COAL_EN);
522
523 /* default interrupt coalescing time is 128us */
524 tmp = 0x10000 | interrupt_coalescing;
525 mw32(MVS_INT_COAL_TMOUT, tmp);
526
527 /* ladies and gentlemen, start your engines */
528 mw32(MVS_TX_CFG, 0);
529 mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
530 mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN);
531 /* enable CMD/CMPL_Q/RESP mode */
532 mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN |
533 PCS_CMD_EN | PCS_CMD_STOP_ERR);
534
535 /* enable completion queue interrupt */
536 tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
537 CINT_DMA_PCIE | CINT_NON_SPEC_NCQ_ERROR);
538 tmp |= CINT_PHY_MASK;
539 mw32(MVS_INT_MASK, tmp);
540
541 tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
542 tmp |= 0xFFFF0000;
543 mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
544
545 /* tune STP performance */
546 tmp = 0x003F003F;
547 mvs_cw32(mvi, CMD_PL_TIMER, tmp);
548
549 /* This can improve expander large block size seq write performance */
550 tmp = mvs_cr32(mvi, CMD_PORT_LAYER_TIMER1);
551 tmp |= 0xFFFF007F;
552 mvs_cw32(mvi, CMD_PORT_LAYER_TIMER1, tmp);
553
554 /* change the connection open-close behavior (bit 9)
555 * set bit8 to 1 for performance tuning */
556 tmp = mvs_cr32(mvi, CMD_SL_MODE0);
557 tmp |= 0x00000300;
558 /* set bit0 to 0 to enable retry for no_dest reject case */
559 tmp &= 0xFFFFFFFE;
560 mvs_cw32(mvi, CMD_SL_MODE0, tmp);
561
562 /* Enable SRS interrupt */
563 mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
564
565 mvs_94xx_sgpio_init(mvi);
566
567 return 0;
568 }
569
mvs_94xx_ioremap(struct mvs_info * mvi)570 static int mvs_94xx_ioremap(struct mvs_info *mvi)
571 {
572 if (!mvs_ioremap(mvi, 2, -1)) {
573 mvi->regs_ex = mvi->regs + 0x10200;
574 mvi->regs += 0x20000;
575 if (mvi->id == 1)
576 mvi->regs += 0x4000;
577 return 0;
578 }
579 return -1;
580 }
581
mvs_94xx_iounmap(struct mvs_info * mvi)582 static void mvs_94xx_iounmap(struct mvs_info *mvi)
583 {
584 if (mvi->regs) {
585 mvi->regs -= 0x20000;
586 if (mvi->id == 1)
587 mvi->regs -= 0x4000;
588 mvs_iounmap(mvi->regs);
589 }
590 }
591
mvs_94xx_interrupt_enable(struct mvs_info * mvi)592 static void mvs_94xx_interrupt_enable(struct mvs_info *mvi)
593 {
594 void __iomem *regs = mvi->regs_ex;
595 u32 tmp;
596
597 tmp = mr32(MVS_GBL_CTL);
598 tmp |= (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
599 mw32(MVS_GBL_INT_STAT, tmp);
600 writel(tmp, regs + 0x0C);
601 writel(tmp, regs + 0x10);
602 writel(tmp, regs + 0x14);
603 writel(tmp, regs + 0x18);
604 mw32(MVS_GBL_CTL, tmp);
605 }
606
mvs_94xx_interrupt_disable(struct mvs_info * mvi)607 static void mvs_94xx_interrupt_disable(struct mvs_info *mvi)
608 {
609 void __iomem *regs = mvi->regs_ex;
610 u32 tmp;
611
612 tmp = mr32(MVS_GBL_CTL);
613
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
mvs_94xx_isr_status(struct mvs_info * mvi,int irq)623 static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq)
624 {
625 void __iomem *regs = mvi->regs_ex;
626 u32 stat = 0;
627 if (!(mvi->flags & MVF_FLAG_SOC)) {
628 stat = mr32(MVS_GBL_INT_STAT);
629
630 if (!(stat & (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B)))
631 return 0;
632 }
633 return stat;
634 }
635
mvs_94xx_isr(struct mvs_info * mvi,int irq,u32 stat)636 static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat)
637 {
638 void __iomem *regs = mvi->regs;
639
640 if (((stat & MVS_IRQ_SAS_A) && mvi->id == 0) ||
641 ((stat & MVS_IRQ_SAS_B) && mvi->id == 1)) {
642 mw32_f(MVS_INT_STAT, CINT_DONE);
643
644 spin_lock(&mvi->lock);
645 mvs_int_full(mvi);
646 spin_unlock(&mvi->lock);
647 }
648 return IRQ_HANDLED;
649 }
650
mvs_94xx_command_active(struct mvs_info * mvi,u32 slot_idx)651 static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx)
652 {
653 u32 tmp;
654 tmp = mvs_cr32(mvi, MVS_COMMAND_ACTIVE+(slot_idx >> 3));
655 if (tmp & 1 << (slot_idx % 32)) {
656 mv_printk("command active %08X, slot [%x].\n", tmp, slot_idx);
657 mvs_cw32(mvi, MVS_COMMAND_ACTIVE + (slot_idx >> 3),
658 1 << (slot_idx % 32));
659 do {
660 tmp = mvs_cr32(mvi,
661 MVS_COMMAND_ACTIVE + (slot_idx >> 3));
662 } while (tmp & 1 << (slot_idx % 32));
663 }
664 }
665
666 static void
mvs_94xx_clear_srs_irq(struct mvs_info * mvi,u8 reg_set,u8 clear_all)667 mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all)
668 {
669 void __iomem *regs = mvi->regs;
670 u32 tmp;
671
672 if (clear_all) {
673 tmp = mr32(MVS_INT_STAT_SRS_0);
674 if (tmp) {
675 mv_dprintk("check SRS 0 %08X.\n", tmp);
676 mw32(MVS_INT_STAT_SRS_0, tmp);
677 }
678 tmp = mr32(MVS_INT_STAT_SRS_1);
679 if (tmp) {
680 mv_dprintk("check SRS 1 %08X.\n", tmp);
681 mw32(MVS_INT_STAT_SRS_1, tmp);
682 }
683 } else {
684 if (reg_set > 31)
685 tmp = mr32(MVS_INT_STAT_SRS_1);
686 else
687 tmp = mr32(MVS_INT_STAT_SRS_0);
688
689 if (tmp & (1 << (reg_set % 32))) {
690 mv_dprintk("register set 0x%x was stopped.\n", reg_set);
691 if (reg_set > 31)
692 mw32(MVS_INT_STAT_SRS_1, 1 << (reg_set % 32));
693 else
694 mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32));
695 }
696 }
697 }
698
mvs_94xx_issue_stop(struct mvs_info * mvi,enum mvs_port_type type,u32 tfs)699 static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
700 u32 tfs)
701 {
702 void __iomem *regs = mvi->regs;
703 u32 tmp;
704 mvs_94xx_clear_srs_irq(mvi, 0, 1);
705
706 tmp = mr32(MVS_INT_STAT);
707 mw32(MVS_INT_STAT, tmp | CINT_CI_STOP);
708 tmp = mr32(MVS_PCS) | 0xFF00;
709 mw32(MVS_PCS, tmp);
710 }
711
mvs_94xx_non_spec_ncq_error(struct mvs_info * mvi)712 static void mvs_94xx_non_spec_ncq_error(struct mvs_info *mvi)
713 {
714 void __iomem *regs = mvi->regs;
715 u32 err_0, err_1;
716 u8 i;
717 struct mvs_device *device;
718
719 err_0 = mr32(MVS_NON_NCQ_ERR_0);
720 err_1 = mr32(MVS_NON_NCQ_ERR_1);
721
722 mv_dprintk("non specific ncq error err_0:%x,err_1:%x.\n",
723 err_0, err_1);
724 for (i = 0; i < 32; i++) {
725 if (err_0 & bit(i)) {
726 device = mvs_find_dev_by_reg_set(mvi, i);
727 if (device)
728 mvs_release_task(mvi, device->sas_device);
729 }
730 if (err_1 & bit(i)) {
731 device = mvs_find_dev_by_reg_set(mvi, i+32);
732 if (device)
733 mvs_release_task(mvi, device->sas_device);
734 }
735 }
736
737 mw32(MVS_NON_NCQ_ERR_0, err_0);
738 mw32(MVS_NON_NCQ_ERR_1, err_1);
739 }
740
mvs_94xx_free_reg_set(struct mvs_info * mvi,u8 * tfs)741 static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
742 {
743 void __iomem *regs = mvi->regs;
744 u8 reg_set = *tfs;
745
746 if (*tfs == MVS_ID_NOT_MAPPED)
747 return;
748
749 mvi->sata_reg_set &= ~bit(reg_set);
750 if (reg_set < 32)
751 w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set);
752 else
753 w_reg_set_enable(reg_set, (u32)(mvi->sata_reg_set >> 32));
754
755 *tfs = MVS_ID_NOT_MAPPED;
756
757 return;
758 }
759
mvs_94xx_assign_reg_set(struct mvs_info * mvi,u8 * tfs)760 static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs)
761 {
762 int i;
763 void __iomem *regs = mvi->regs;
764
765 if (*tfs != MVS_ID_NOT_MAPPED)
766 return 0;
767
768 i = mv_ffc64(mvi->sata_reg_set);
769 if (i >= 32) {
770 mvi->sata_reg_set |= bit(i);
771 w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32));
772 *tfs = i;
773 return 0;
774 } else if (i >= 0) {
775 mvi->sata_reg_set |= bit(i);
776 w_reg_set_enable(i, (u32)mvi->sata_reg_set);
777 *tfs = i;
778 return 0;
779 }
780 return MVS_ID_NOT_MAPPED;
781 }
782
mvs_94xx_make_prd(struct scatterlist * scatter,int nr,void * prd)783 static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd)
784 {
785 int i;
786 struct scatterlist *sg;
787 struct mvs_prd *buf_prd = prd;
788 struct mvs_prd_imt im_len;
789 *(u32 *)&im_len = 0;
790 for_each_sg(scatter, sg, nr, i) {
791 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
792 im_len.len = sg_dma_len(sg);
793 buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
794 buf_prd++;
795 }
796 }
797
mvs_94xx_oob_done(struct mvs_info * mvi,int i)798 static int mvs_94xx_oob_done(struct mvs_info *mvi, int i)
799 {
800 u32 phy_st;
801 phy_st = mvs_read_phy_ctl(mvi, i);
802 if (phy_st & PHY_READY_MASK)
803 return 1;
804 return 0;
805 }
806
mvs_94xx_get_dev_identify_frame(struct mvs_info * mvi,int port_id,struct sas_identify_frame * id)807 static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id,
808 struct sas_identify_frame *id)
809 {
810 int i;
811 u32 id_frame[7];
812
813 for (i = 0; i < 7; i++) {
814 mvs_write_port_cfg_addr(mvi, port_id,
815 CONFIG_ID_FRAME0 + i * 4);
816 id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
817 }
818 memcpy(id, id_frame, 28);
819 }
820
mvs_94xx_get_att_identify_frame(struct mvs_info * mvi,int port_id,struct sas_identify_frame * id)821 static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id,
822 struct sas_identify_frame *id)
823 {
824 int i;
825 u32 id_frame[7];
826
827 for (i = 0; i < 7; i++) {
828 mvs_write_port_cfg_addr(mvi, port_id,
829 CONFIG_ATT_ID_FRAME0 + i * 4);
830 id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
831 mv_dprintk("94xx phy %d atta frame %d %x.\n",
832 port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]);
833 }
834 memcpy(id, id_frame, 28);
835 }
836
mvs_94xx_make_dev_info(struct sas_identify_frame * id)837 static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id)
838 {
839 u32 att_dev_info = 0;
840
841 att_dev_info |= id->dev_type;
842 if (id->stp_iport)
843 att_dev_info |= PORT_DEV_STP_INIT;
844 if (id->smp_iport)
845 att_dev_info |= PORT_DEV_SMP_INIT;
846 if (id->ssp_iport)
847 att_dev_info |= PORT_DEV_SSP_INIT;
848 if (id->stp_tport)
849 att_dev_info |= PORT_DEV_STP_TRGT;
850 if (id->smp_tport)
851 att_dev_info |= PORT_DEV_SMP_TRGT;
852 if (id->ssp_tport)
853 att_dev_info |= PORT_DEV_SSP_TRGT;
854
855 att_dev_info |= (u32)id->phy_id<<24;
856 return att_dev_info;
857 }
858
mvs_94xx_make_att_info(struct sas_identify_frame * id)859 static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id)
860 {
861 return mvs_94xx_make_dev_info(id);
862 }
863
mvs_94xx_fix_phy_info(struct mvs_info * mvi,int i,struct sas_identify_frame * id)864 static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
865 struct sas_identify_frame *id)
866 {
867 struct mvs_phy *phy = &mvi->phy[i];
868 struct asd_sas_phy *sas_phy = &phy->sas_phy;
869 mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status);
870 sas_phy->linkrate =
871 (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
872 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
873 sas_phy->linkrate += 0x8;
874 mv_dprintk("get link rate is %d\n", sas_phy->linkrate);
875 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
876 phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
877 mvs_94xx_get_dev_identify_frame(mvi, i, id);
878 phy->dev_info = mvs_94xx_make_dev_info(id);
879
880 if (phy->phy_type & PORT_TYPE_SAS) {
881 mvs_94xx_get_att_identify_frame(mvi, i, id);
882 phy->att_dev_info = mvs_94xx_make_att_info(id);
883 phy->att_dev_sas_addr = *(u64 *)id->sas_addr;
884 } else {
885 phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
886 }
887
888 /* enable spin up bit */
889 mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
890 mvs_write_port_cfg_data(mvi, i, 0x04);
891
892 }
893
mvs_94xx_phy_set_link_rate(struct mvs_info * mvi,u32 phy_id,struct sas_phy_linkrates * rates)894 static void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
895 struct sas_phy_linkrates *rates)
896 {
897 u32 lrmax = 0;
898 u32 tmp;
899
900 tmp = mvs_read_phy_ctl(mvi, phy_id);
901 lrmax = (rates->maximum_linkrate - SAS_LINK_RATE_1_5_GBPS) << 12;
902
903 if (lrmax) {
904 tmp &= ~(0x3 << 12);
905 tmp |= lrmax;
906 }
907 mvs_write_phy_ctl(mvi, phy_id, tmp);
908 mvs_94xx_phy_reset(mvi, phy_id, PHY_RST_HARD);
909 }
910
mvs_94xx_clear_active_cmds(struct mvs_info * mvi)911 static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi)
912 {
913 u32 tmp;
914 void __iomem *regs = mvi->regs;
915 tmp = mr32(MVS_STP_REG_SET_0);
916 mw32(MVS_STP_REG_SET_0, 0);
917 mw32(MVS_STP_REG_SET_0, tmp);
918 tmp = mr32(MVS_STP_REG_SET_1);
919 mw32(MVS_STP_REG_SET_1, 0);
920 mw32(MVS_STP_REG_SET_1, tmp);
921 }
922
923
mvs_94xx_spi_read_data(struct mvs_info * mvi)924 static u32 mvs_94xx_spi_read_data(struct mvs_info *mvi)
925 {
926 void __iomem *regs = mvi->regs_ex - 0x10200;
927 return mr32(SPI_RD_DATA_REG_94XX);
928 }
929
mvs_94xx_spi_write_data(struct mvs_info * mvi,u32 data)930 static void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data)
931 {
932 void __iomem *regs = mvi->regs_ex - 0x10200;
933
934 mw32(SPI_RD_DATA_REG_94XX, data);
935 }
936
937
mvs_94xx_spi_buildcmd(struct mvs_info * mvi,u32 * dwCmd,u8 cmd,u8 read,u8 length,u32 addr)938 static int mvs_94xx_spi_buildcmd(struct mvs_info *mvi,
939 u32 *dwCmd,
940 u8 cmd,
941 u8 read,
942 u8 length,
943 u32 addr
944 )
945 {
946 void __iomem *regs = mvi->regs_ex - 0x10200;
947 u32 dwTmp;
948
949 dwTmp = ((u32)cmd << 8) | ((u32)length << 4);
950 if (read)
951 dwTmp |= SPI_CTRL_READ_94XX;
952
953 if (addr != MV_MAX_U32) {
954 mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL));
955 dwTmp |= SPI_ADDR_VLD_94XX;
956 }
957
958 *dwCmd = dwTmp;
959 return 0;
960 }
961
962
mvs_94xx_spi_issuecmd(struct mvs_info * mvi,u32 cmd)963 static int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd)
964 {
965 void __iomem *regs = mvi->regs_ex - 0x10200;
966 mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX);
967
968 return 0;
969 }
970
mvs_94xx_spi_waitdataready(struct mvs_info * mvi,u32 timeout)971 static int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout)
972 {
973 void __iomem *regs = mvi->regs_ex - 0x10200;
974 u32 i, dwTmp;
975
976 for (i = 0; i < timeout; i++) {
977 dwTmp = mr32(SPI_CTRL_REG_94XX);
978 if (!(dwTmp & SPI_CTRL_SpiStart_94XX))
979 return 0;
980 msleep(10);
981 }
982
983 return -1;
984 }
985
mvs_94xx_fix_dma(struct mvs_info * mvi,u32 phy_mask,int buf_len,int from,void * prd)986 static void mvs_94xx_fix_dma(struct mvs_info *mvi, u32 phy_mask,
987 int buf_len, int from, void *prd)
988 {
989 int i;
990 struct mvs_prd *buf_prd = prd;
991 dma_addr_t buf_dma;
992 struct mvs_prd_imt im_len;
993
994 *(u32 *)&im_len = 0;
995 buf_prd += from;
996
997 #define PRD_CHAINED_ENTRY 0x01
998 if ((mvi->pdev->revision == VANIR_A0_REV) ||
999 (mvi->pdev->revision == VANIR_B0_REV))
1000 buf_dma = (phy_mask <= 0x08) ?
1001 mvi->bulk_buffer_dma : mvi->bulk_buffer_dma1;
1002 else
1003 return;
1004
1005 for (i = from; i < MAX_SG_ENTRY; i++, ++buf_prd) {
1006 if (i == MAX_SG_ENTRY - 1) {
1007 buf_prd->addr = cpu_to_le64(virt_to_phys(buf_prd - 1));
1008 im_len.len = 2;
1009 im_len.misc_ctl = PRD_CHAINED_ENTRY;
1010 } else {
1011 buf_prd->addr = cpu_to_le64(buf_dma);
1012 im_len.len = buf_len;
1013 }
1014 buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
1015 }
1016 }
1017
mvs_94xx_tune_interrupt(struct mvs_info * mvi,u32 time)1018 static void mvs_94xx_tune_interrupt(struct mvs_info *mvi, u32 time)
1019 {
1020 void __iomem *regs = mvi->regs;
1021 u32 tmp = 0;
1022 /*
1023 * the max count is 0x1ff, while our max slot is 0x200,
1024 * it will make count 0.
1025 */
1026 if (time == 0) {
1027 mw32(MVS_INT_COAL, 0);
1028 mw32(MVS_INT_COAL_TMOUT, 0x10000);
1029 } else {
1030 if (MVS_CHIP_SLOT_SZ > 0x1ff)
1031 mw32(MVS_INT_COAL, 0x1ff|COAL_EN);
1032 else
1033 mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ|COAL_EN);
1034
1035 tmp = 0x10000 | time;
1036 mw32(MVS_INT_COAL_TMOUT, tmp);
1037 }
1038
1039 }
1040
mvs_94xx_gpio_write(struct mvs_prv_info * mvs_prv,u8 reg_type,u8 reg_index,u8 reg_count,u8 * write_data)1041 static int mvs_94xx_gpio_write(struct mvs_prv_info *mvs_prv,
1042 u8 reg_type, u8 reg_index,
1043 u8 reg_count, u8 *write_data)
1044 {
1045 int i;
1046
1047 switch (reg_type) {
1048
1049 case SAS_GPIO_REG_TX_GP:
1050 if (reg_index == 0)
1051 return -EINVAL;
1052
1053 if (reg_count > 1)
1054 return -EINVAL;
1055
1056 if (reg_count == 0)
1057 return 0;
1058
1059 /* maximum supported bits = hosts * 4 drives * 3 bits */
1060 for (i = 0; i < mvs_prv->n_host * 4 * 3; i++) {
1061
1062 /* select host */
1063 struct mvs_info *mvi = mvs_prv->mvi[i/(4*3)];
1064
1065 void __iomem *regs = mvi->regs_ex - 0x10200;
1066
1067 int drive = (i/3) & (4-1); /* drive number on host */
1068 int driveshift = drive * 8; /* bit offset of drive */
1069 u32 block = ioread32be(regs + MVS_SGPIO_DCTRL +
1070 MVS_SGPIO_HOST_OFFSET * mvi->id);
1071
1072 /*
1073 * if bit is set then create a mask with the first
1074 * bit of the drive set in the mask ...
1075 */
1076 u32 bit = get_unaligned_be32(write_data) & (1 << i) ?
1077 1 << driveshift : 0;
1078
1079 /*
1080 * ... and then shift it to the right position based
1081 * on the led type (activity/id/fail)
1082 */
1083 switch (i%3) {
1084 case 0: /* activity */
1085 block &= ~((0x7 << MVS_SGPIO_DCTRL_ACT_SHIFT)
1086 << driveshift);
1087 /* hardwire activity bit to SOF */
1088 block |= LED_BLINKA_SOF << (
1089 MVS_SGPIO_DCTRL_ACT_SHIFT +
1090 driveshift);
1091 break;
1092 case 1: /* id */
1093 block &= ~((0x3 << MVS_SGPIO_DCTRL_LOC_SHIFT)
1094 << driveshift);
1095 block |= bit << MVS_SGPIO_DCTRL_LOC_SHIFT;
1096 break;
1097 case 2: /* fail */
1098 block &= ~((0x7 << MVS_SGPIO_DCTRL_ERR_SHIFT)
1099 << driveshift);
1100 block |= bit << MVS_SGPIO_DCTRL_ERR_SHIFT;
1101 break;
1102 }
1103
1104 iowrite32be(block,
1105 regs + MVS_SGPIO_DCTRL +
1106 MVS_SGPIO_HOST_OFFSET * mvi->id);
1107
1108 }
1109
1110 return reg_count;
1111
1112 case SAS_GPIO_REG_TX:
1113 if (reg_index + reg_count > mvs_prv->n_host)
1114 return -EINVAL;
1115
1116 for (i = 0; i < reg_count; i++) {
1117 struct mvs_info *mvi = mvs_prv->mvi[i+reg_index];
1118 void __iomem *regs = mvi->regs_ex - 0x10200;
1119
1120 mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id,
1121 ((u32 *) write_data)[i]);
1122 }
1123 return reg_count;
1124 }
1125 return -ENOSYS;
1126 }
1127
1128 const struct mvs_dispatch mvs_94xx_dispatch = {
1129 "mv94xx",
1130 mvs_94xx_init,
1131 NULL,
1132 mvs_94xx_ioremap,
1133 mvs_94xx_iounmap,
1134 mvs_94xx_isr,
1135 mvs_94xx_isr_status,
1136 mvs_94xx_interrupt_enable,
1137 mvs_94xx_interrupt_disable,
1138 mvs_read_phy_ctl,
1139 mvs_write_phy_ctl,
1140 mvs_read_port_cfg_data,
1141 mvs_write_port_cfg_data,
1142 mvs_write_port_cfg_addr,
1143 mvs_read_port_vsr_data,
1144 mvs_write_port_vsr_data,
1145 mvs_write_port_vsr_addr,
1146 mvs_read_port_irq_stat,
1147 mvs_write_port_irq_stat,
1148 mvs_read_port_irq_mask,
1149 mvs_write_port_irq_mask,
1150 mvs_94xx_command_active,
1151 mvs_94xx_clear_srs_irq,
1152 mvs_94xx_issue_stop,
1153 mvs_start_delivery,
1154 mvs_rx_update,
1155 mvs_int_full,
1156 mvs_94xx_assign_reg_set,
1157 mvs_94xx_free_reg_set,
1158 mvs_get_prd_size,
1159 mvs_get_prd_count,
1160 mvs_94xx_make_prd,
1161 mvs_94xx_detect_porttype,
1162 mvs_94xx_oob_done,
1163 mvs_94xx_fix_phy_info,
1164 NULL,
1165 mvs_94xx_phy_set_link_rate,
1166 mvs_hw_max_link_rate,
1167 mvs_94xx_phy_disable,
1168 mvs_94xx_phy_enable,
1169 mvs_94xx_phy_reset,
1170 NULL,
1171 mvs_94xx_clear_active_cmds,
1172 mvs_94xx_spi_read_data,
1173 mvs_94xx_spi_write_data,
1174 mvs_94xx_spi_buildcmd,
1175 mvs_94xx_spi_issuecmd,
1176 mvs_94xx_spi_waitdataready,
1177 mvs_94xx_fix_dma,
1178 mvs_94xx_tune_interrupt,
1179 mvs_94xx_non_spec_ncq_error,
1180 mvs_94xx_gpio_write,
1181 };
1182
1183