blob: 6b26b30dcf9df06b98c79918a8798cc3e5ee0667 [file] [log] [blame]
Alan Douglasfda76da2021-07-21 21:28:36 +05301// SPDX-License-Identifier: GPL-2.0
2/*
3 * Cadence Sierra PHY Driver
4 *
5 * Based on the linux driver provided by Cadence
6 *
7 * Copyright (c) 2018 Cadence Design Systems
8 * Author: Alan Douglas <adouglas@cadence.com>
9 *
10 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
11 * Jean-Jacques Hiblot <jjhiblot@ti.com>
12 *
13 */
14#include <common.h>
15#include <clk.h>
16#include <generic-phy.h>
17#include <reset.h>
18#include <dm/device.h>
19#include <dm/device-internal.h>
20#include <dm/device_compat.h>
21#include <dm/lists.h>
22#include <dm/read.h>
23#include <dm/uclass.h>
24#include <dm/devres.h>
25#include <linux/io.h>
26#include <dt-bindings/phy/phy.h>
27#include <regmap.h>
28
29/* PHY register offsets */
30#define SIERRA_COMMON_CDB_OFFSET 0x0
31#define SIERRA_MACRO_ID_REG 0x0
32#define SIERRA_CMN_PLLLC_MODE_PREG 0x48
33#define SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG 0x49
34#define SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG 0x4A
35#define SIERRA_CMN_PLLLC_LOCK_CNTSTART_PREG 0x4B
36#define SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG 0x4F
37#define SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG 0x50
38#define SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG 0x62
39
40#define SIERRA_LANE_CDB_OFFSET(ln, offset) \
41 (0x4000 + ((ln) * (0x800 >> (2 - (offset)))))
42
43#define SIERRA_DET_STANDEC_A_PREG 0x000
44#define SIERRA_DET_STANDEC_B_PREG 0x001
45#define SIERRA_DET_STANDEC_C_PREG 0x002
46#define SIERRA_DET_STANDEC_D_PREG 0x003
47#define SIERRA_DET_STANDEC_E_PREG 0x004
48#define SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG 0x008
49#define SIERRA_PSM_A0IN_TMR_PREG 0x009
50#define SIERRA_PSM_DIAG_PREG 0x015
51#define SIERRA_PSC_TX_A0_PREG 0x028
52#define SIERRA_PSC_TX_A1_PREG 0x029
53#define SIERRA_PSC_TX_A2_PREG 0x02A
54#define SIERRA_PSC_TX_A3_PREG 0x02B
55#define SIERRA_PSC_RX_A0_PREG 0x030
56#define SIERRA_PSC_RX_A1_PREG 0x031
57#define SIERRA_PSC_RX_A2_PREG 0x032
58#define SIERRA_PSC_RX_A3_PREG 0x033
59#define SIERRA_PLLCTRL_SUBRATE_PREG 0x03A
60#define SIERRA_PLLCTRL_GEN_D_PREG 0x03E
61#define SIERRA_PLLCTRL_CPGAIN_MODE_PREG 0x03F
62#define SIERRA_PLLCTRL_STATUS_PREG 0x044
63#define SIERRA_CLKPATH_BIASTRIM_PREG 0x04B
64#define SIERRA_DFE_BIASTRIM_PREG 0x04C
65#define SIERRA_DRVCTRL_ATTEN_PREG 0x06A
66#define SIERRA_CLKPATHCTRL_TMR_PREG 0x081
67#define SIERRA_RX_CREQ_FLTR_A_MODE3_PREG 0x085
68#define SIERRA_RX_CREQ_FLTR_A_MODE2_PREG 0x086
69#define SIERRA_RX_CREQ_FLTR_A_MODE1_PREG 0x087
70#define SIERRA_RX_CREQ_FLTR_A_MODE0_PREG 0x088
71#define SIERRA_CREQ_CCLKDET_MODE01_PREG 0x08E
72#define SIERRA_RX_CTLE_MAINTENANCE_PREG 0x091
73#define SIERRA_CREQ_FSMCLK_SEL_PREG 0x092
74#define SIERRA_CREQ_EQ_CTRL_PREG 0x093
75#define SIERRA_CREQ_SPARE_PREG 0x096
76#define SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG 0x097
77#define SIERRA_CTLELUT_CTRL_PREG 0x098
78#define SIERRA_DFE_ECMP_RATESEL_PREG 0x0C0
79#define SIERRA_DFE_SMP_RATESEL_PREG 0x0C1
80#define SIERRA_DEQ_PHALIGN_CTRL 0x0C4
81#define SIERRA_DEQ_CONCUR_CTRL1_PREG 0x0C8
82#define SIERRA_DEQ_CONCUR_CTRL2_PREG 0x0C9
83#define SIERRA_DEQ_EPIPWR_CTRL2_PREG 0x0CD
84#define SIERRA_DEQ_FAST_MAINT_CYCLES_PREG 0x0CE
85#define SIERRA_DEQ_ERRCMP_CTRL_PREG 0x0D0
86#define SIERRA_DEQ_OFFSET_CTRL_PREG 0x0D8
87#define SIERRA_DEQ_GAIN_CTRL_PREG 0x0E0
88#define SIERRA_DEQ_VGATUNE_CTRL_PREG 0x0E1
89#define SIERRA_DEQ_GLUT0 0x0E8
90#define SIERRA_DEQ_GLUT1 0x0E9
91#define SIERRA_DEQ_GLUT2 0x0EA
92#define SIERRA_DEQ_GLUT3 0x0EB
93#define SIERRA_DEQ_GLUT4 0x0EC
94#define SIERRA_DEQ_GLUT5 0x0ED
95#define SIERRA_DEQ_GLUT6 0x0EE
96#define SIERRA_DEQ_GLUT7 0x0EF
97#define SIERRA_DEQ_GLUT8 0x0F0
98#define SIERRA_DEQ_GLUT9 0x0F1
99#define SIERRA_DEQ_GLUT10 0x0F2
100#define SIERRA_DEQ_GLUT11 0x0F3
101#define SIERRA_DEQ_GLUT12 0x0F4
102#define SIERRA_DEQ_GLUT13 0x0F5
103#define SIERRA_DEQ_GLUT14 0x0F6
104#define SIERRA_DEQ_GLUT15 0x0F7
105#define SIERRA_DEQ_GLUT16 0x0F8
106#define SIERRA_DEQ_ALUT0 0x108
107#define SIERRA_DEQ_ALUT1 0x109
108#define SIERRA_DEQ_ALUT2 0x10A
109#define SIERRA_DEQ_ALUT3 0x10B
110#define SIERRA_DEQ_ALUT4 0x10C
111#define SIERRA_DEQ_ALUT5 0x10D
112#define SIERRA_DEQ_ALUT6 0x10E
113#define SIERRA_DEQ_ALUT7 0x10F
114#define SIERRA_DEQ_ALUT8 0x110
115#define SIERRA_DEQ_ALUT9 0x111
116#define SIERRA_DEQ_ALUT10 0x112
117#define SIERRA_DEQ_ALUT11 0x113
118#define SIERRA_DEQ_ALUT12 0x114
119#define SIERRA_DEQ_ALUT13 0x115
120#define SIERRA_DEQ_DFETAP_CTRL_PREG 0x128
121#define SIERRA_DFE_EN_1010_IGNORE_PREG 0x134
122#define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150
123#define SIERRA_DEQ_TAU_CTRL2_PREG 0x151
124#define SIERRA_DEQ_PICTRL_PREG 0x161
125#define SIERRA_CPICAL_TMRVAL_MODE1_PREG 0x170
126#define SIERRA_CPICAL_TMRVAL_MODE0_PREG 0x171
127#define SIERRA_CPICAL_PICNT_MODE1_PREG 0x174
128#define SIERRA_CPI_OUTBUF_RATESEL_PREG 0x17C
129#define SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG 0x183
130#define SIERRA_LFPSDET_SUPPORT_PREG 0x188
131#define SIERRA_LFPSFILT_NS_PREG 0x18A
132#define SIERRA_LFPSFILT_RD_PREG 0x18B
133#define SIERRA_LFPSFILT_MP_PREG 0x18C
134#define SIERRA_SIGDET_SUPPORT_PREG 0x190
135#define SIERRA_SDFILT_H2L_A_PREG 0x191
136#define SIERRA_SDFILT_L2H_PREG 0x193
137#define SIERRA_RXBUFFER_CTLECTRL_PREG 0x19E
138#define SIERRA_RXBUFFER_RCDFECTRL_PREG 0x19F
139#define SIERRA_RXBUFFER_DFECTRL_PREG 0x1A0
140#define SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG 0x14F
141#define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150
142
143#define SIERRA_PHY_CONFIG_CTRL_OFFSET 0xc000
144#define SIERRA_PHY_PLL_CFG 0xe
145
146#define SIERRA_MACRO_ID 0x00007364
147#define SIERRA_MAX_LANES 16
148#define PLL_LOCK_TIME 100
149
150static const struct reg_field macro_id_type =
151 REG_FIELD(SIERRA_MACRO_ID_REG, 0, 15);
152static const struct reg_field phy_pll_cfg_1 =
153 REG_FIELD(SIERRA_PHY_PLL_CFG, 1, 1);
154static const struct reg_field pllctrl_lock =
155 REG_FIELD(SIERRA_PLLCTRL_STATUS_PREG, 0, 0);
156
157#define reset_control_assert(rst) cdns_reset_assert(rst)
158#define reset_control_deassert(rst) cdns_reset_deassert(rst)
159#define reset_control reset_ctl
160
161struct cdns_sierra_inst {
162 u32 phy_type;
163 u32 num_lanes;
164 u32 mlane;
165 struct reset_ctl_bulk *lnk_rst;
166};
167
168struct cdns_reg_pairs {
169 u16 val;
170 u32 off;
171};
172
173struct cdns_sierra_data {
174 u32 id_value;
175 u8 block_offset_shift;
176 u8 reg_offset_shift;
177 u32 pcie_cmn_regs;
178 u32 pcie_ln_regs;
179 u32 usb_cmn_regs;
180 u32 usb_ln_regs;
181 struct cdns_reg_pairs *pcie_cmn_vals;
182 struct cdns_reg_pairs *pcie_ln_vals;
183 struct cdns_reg_pairs *usb_cmn_vals;
184 struct cdns_reg_pairs *usb_ln_vals;
185};
186
187struct cdns_regmap_cdb_context {
188 struct udevice *dev;
189 void __iomem *base;
190 u8 reg_offset_shift;
191};
192
193struct cdns_sierra_phy {
194 struct udevice *dev;
195 void *base;
196 size_t size;
197 struct regmap *regmap;
198 struct cdns_sierra_data *init_data;
199 struct cdns_sierra_inst phys[SIERRA_MAX_LANES];
200 struct reset_control *phy_rst;
201 struct regmap *regmap_lane_cdb[SIERRA_MAX_LANES];
202 struct regmap *regmap_phy_config_ctrl;
203 struct regmap *regmap_common_cdb;
204 struct regmap_field *macro_id_type;
205 struct regmap_field *phy_pll_cfg_1;
206 struct regmap_field *pllctrl_lock[SIERRA_MAX_LANES];
207 struct clk *clk;
208 struct clk *cmn_refclk;
209 struct clk *cmn_refclk1;
210 int nsubnodes;
211 u32 num_lanes;
212 bool autoconf;
213};
214
215static inline int cdns_reset_assert(struct reset_control *rst)
216{
217 if (rst)
218 return reset_assert(rst);
219 else
220 return 0;
221}
222
223static inline int cdns_reset_deassert(struct reset_control *rst)
224{
225 if (rst)
226 return reset_deassert(rst);
227 else
228 return 0;
229}
230
231static inline struct cdns_sierra_inst *phy_get_drvdata(struct phy *phy)
232{
233 struct cdns_sierra_phy *sp = dev_get_priv(phy->dev);
234 int index;
235
236 if (phy->id >= SIERRA_MAX_LANES)
237 return NULL;
238
239 for (index = 0; index < sp->nsubnodes; index++) {
240 if (phy->id == sp->phys[index].mlane)
241 return &sp->phys[index];
242 }
243
244 return NULL;
245}
246
247static int cdns_sierra_phy_init(struct phy *gphy)
248{
249 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
250 struct cdns_sierra_phy *phy = dev_get_priv(gphy->dev);
251 struct regmap *regmap = phy->regmap;
252 int i, j;
253 struct cdns_reg_pairs *cmn_vals, *ln_vals;
254 u32 num_cmn_regs, num_ln_regs;
255
256 /* Initialise the PHY registers, unless auto configured */
257 if (phy->autoconf)
258 return 0;
259
260 clk_set_rate(phy->cmn_refclk, 25000000);
261 clk_set_rate(phy->cmn_refclk1, 25000000);
262
263 if (ins->phy_type == PHY_TYPE_PCIE) {
264 num_cmn_regs = phy->init_data->pcie_cmn_regs;
265 num_ln_regs = phy->init_data->pcie_ln_regs;
266 cmn_vals = phy->init_data->pcie_cmn_vals;
267 ln_vals = phy->init_data->pcie_ln_vals;
268 } else if (ins->phy_type == PHY_TYPE_USB3) {
269 num_cmn_regs = phy->init_data->usb_cmn_regs;
270 num_ln_regs = phy->init_data->usb_ln_regs;
271 cmn_vals = phy->init_data->usb_cmn_vals;
272 ln_vals = phy->init_data->usb_ln_vals;
273 } else {
274 return -EINVAL;
275 }
276
277 regmap = phy->regmap_common_cdb;
278 for (j = 0; j < num_cmn_regs ; j++)
279 regmap_write(regmap, cmn_vals[j].off, cmn_vals[j].val);
280
281 for (i = 0; i < ins->num_lanes; i++) {
282 for (j = 0; j < num_ln_regs ; j++) {
283 regmap = phy->regmap_lane_cdb[i + ins->mlane];
284 regmap_write(regmap, ln_vals[j].off, ln_vals[j].val);
285 }
286 }
287
288 return 0;
289}
290
291static int cdns_sierra_phy_on(struct phy *gphy)
292{
293 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
294 struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
295 struct udevice *dev = gphy->dev;
296 u32 val;
297 int ret;
298
299 /* Take the PHY lane group out of reset */
300 ret = reset_deassert_bulk(ins->lnk_rst);
301 if (ret) {
302 dev_err(dev, "Failed to take the PHY lane out of reset\n");
303 return ret;
304 }
305
306 ret = regmap_field_read_poll_timeout(sp->pllctrl_lock[ins->mlane],
307 val, val, 1000, PLL_LOCK_TIME);
308 if (ret < 0)
309 dev_err(dev, "PLL lock of lane failed\n");
310
311 reset_control_assert(sp->phy_rst);
312 reset_control_deassert(sp->phy_rst);
313
314 return ret;
315}
316
317static int cdns_sierra_phy_off(struct phy *gphy)
318{
319 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
320
321 return reset_assert_bulk(ins->lnk_rst);
322}
323
324static int cdns_sierra_phy_reset(struct phy *gphy)
325{
326 struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
327
328 reset_control_assert(sp->phy_rst);
329 reset_control_deassert(sp->phy_rst);
330 return 0;
331};
332
333static const struct phy_ops ops = {
334 .init = cdns_sierra_phy_init,
335 .power_on = cdns_sierra_phy_on,
336 .power_off = cdns_sierra_phy_off,
337 .reset = cdns_sierra_phy_reset,
338};
339
340static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst,
341 ofnode child)
342{
343 if (ofnode_read_u32(child, "reg", &inst->mlane))
344 return -EINVAL;
345
346 if (ofnode_read_u32(child, "cdns,num-lanes", &inst->num_lanes))
347 return -EINVAL;
348
349 if (ofnode_read_u32(child, "cdns,phy-type", &inst->phy_type))
350 return -EINVAL;
351
352 return 0;
353}
354
355static struct regmap *cdns_regmap_init(struct udevice *dev, void __iomem *base,
356 u32 block_offset, u8 block_offset_shift,
357 u8 reg_offset_shift)
358{
359 struct cdns_sierra_phy *sp = dev_get_priv(dev);
360 struct regmap_config config;
361
362 config.r_start = (ulong)(base + (block_offset << block_offset_shift));
363 config.r_size = sp->size - (block_offset << block_offset_shift);
364 config.reg_offset_shift = reg_offset_shift;
365 config.width = REGMAP_SIZE_16;
366
367 return devm_regmap_init(dev, NULL, NULL, &config);
368}
369
370static int cdns_regfield_init(struct cdns_sierra_phy *sp)
371{
372 struct udevice *dev = sp->dev;
373 struct regmap_field *field;
374 struct regmap *regmap;
375 int i;
376
377 regmap = sp->regmap_common_cdb;
378 field = devm_regmap_field_alloc(dev, regmap, macro_id_type);
379 if (IS_ERR(field)) {
380 dev_err(dev, "MACRO_ID_TYPE reg field init failed\n");
381 return PTR_ERR(field);
382 }
383 sp->macro_id_type = field;
384
385 regmap = sp->regmap_phy_config_ctrl;
386 field = devm_regmap_field_alloc(dev, regmap, phy_pll_cfg_1);
387 if (IS_ERR(field)) {
388 dev_err(dev, "PHY_PLL_CFG_1 reg field init failed\n");
389 return PTR_ERR(field);
390 }
391 sp->phy_pll_cfg_1 = field;
392
393 for (i = 0; i < SIERRA_MAX_LANES; i++) {
394 regmap = sp->regmap_lane_cdb[i];
395 field = devm_regmap_field_alloc(dev, regmap, pllctrl_lock);
396 if (IS_ERR(field)) {
397 dev_err(dev, "P%d_ENABLE reg field init failed\n", i);
398 return PTR_ERR(field);
399 }
400 sp->pllctrl_lock[i] = field;
401 }
402
403 return 0;
404}
405
406static int cdns_regmap_init_blocks(struct cdns_sierra_phy *sp,
407 void __iomem *base, u8 block_offset_shift,
408 u8 reg_offset_shift)
409{
410 struct udevice *dev = sp->dev;
411 struct regmap *regmap;
412 u32 block_offset;
413 int i;
414
415 for (i = 0; i < SIERRA_MAX_LANES; i++) {
416 block_offset = SIERRA_LANE_CDB_OFFSET(i, reg_offset_shift);
417 regmap = cdns_regmap_init(dev, base, block_offset,
418 block_offset_shift, reg_offset_shift);
419 if (IS_ERR(regmap)) {
420 dev_err(dev, "Failed to init lane CDB regmap\n");
421 return PTR_ERR(regmap);
422 }
423 sp->regmap_lane_cdb[i] = regmap;
424 }
425
426 regmap = cdns_regmap_init(dev, base, SIERRA_COMMON_CDB_OFFSET,
427 block_offset_shift, reg_offset_shift);
428 if (IS_ERR(regmap)) {
429 dev_err(dev, "Failed to init common CDB regmap\n");
430 return PTR_ERR(regmap);
431 }
432 sp->regmap_common_cdb = regmap;
433
434 regmap = cdns_regmap_init(dev, base, SIERRA_PHY_CONFIG_CTRL_OFFSET,
435 block_offset_shift, reg_offset_shift);
436 if (IS_ERR(regmap)) {
437 dev_err(dev, "Failed to init PHY config and control regmap\n");
438 return PTR_ERR(regmap);
439 }
440 sp->regmap_phy_config_ctrl = regmap;
441
442 return 0;
443}
444
445static int cdns_sierra_phy_probe(struct udevice *dev)
446{
447 struct cdns_sierra_phy *sp = dev_get_priv(dev);
448 struct cdns_sierra_data *data;
449 unsigned int id_value;
450 int ret, node = 0;
451 struct clk *clk;
452 ofnode child;
453
454 sp->dev = dev;
455
456 sp->base = devfdt_remap_addr_index(dev, 0);
457 if (!sp->base) {
458 dev_err(dev, "unable to map regs\n");
459 return -ENOMEM;
460 }
461 devfdt_get_addr_size_index(dev, 0, (fdt_size_t *)&sp->size);
462
463 /* Get init data for this PHY */
464 data = (struct cdns_sierra_data *)dev_get_driver_data(dev);
465 sp->init_data = data;
466
467 ret = cdns_regmap_init_blocks(sp, sp->base, data->block_offset_shift,
468 data->reg_offset_shift);
469 if (ret)
470 return ret;
471
472 ret = cdns_regfield_init(sp);
473 if (ret)
474 return ret;
475
476 sp->clk = devm_clk_get_optional(dev, "phy_clk");
477 if (IS_ERR(sp->clk)) {
478 dev_err(dev, "failed to get clock phy_clk\n");
479 return PTR_ERR(sp->clk);
480 }
481
482 sp->phy_rst = devm_reset_control_get(dev, "sierra_reset");
483 if (IS_ERR(sp->phy_rst)) {
484 dev_err(dev, "failed to get reset\n");
485 return PTR_ERR(sp->phy_rst);
486 }
487
488 clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div");
489 if (IS_ERR(clk)) {
490 dev_err(dev, "cmn_refclk clock not found\n");
491 ret = PTR_ERR(clk);
492 return ret;
493 }
494 sp->cmn_refclk = clk;
495
496 clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div");
497 if (IS_ERR(clk)) {
498 dev_err(dev, "cmn_refclk1 clock not found\n");
499 ret = PTR_ERR(clk);
500 return ret;
501 }
502 sp->cmn_refclk1 = clk;
503
504 ret = clk_prepare_enable(sp->clk);
505 if (ret)
506 return ret;
507
508 /* Check that PHY is present */
509 regmap_field_read(sp->macro_id_type, &id_value);
510 if (sp->init_data->id_value != id_value) {
511 dev_err(dev, "PHY not found 0x%x vs 0x%x\n",
512 sp->init_data->id_value, id_value);
513 ret = -EINVAL;
514 goto clk_disable;
515 }
516
517 sp->autoconf = dev_read_bool(dev, "cdns,autoconf");
518
519 ofnode_for_each_subnode(child, dev_ofnode(dev)) {
520 sp->phys[node].lnk_rst = devm_reset_bulk_get_by_node(dev,
521 child);
522 if (IS_ERR(sp->phys[node].lnk_rst)) {
523 ret = PTR_ERR(sp->phys[node].lnk_rst);
524 dev_err(dev, "failed to get reset %s\n",
525 ofnode_get_name(child));
526 goto put_child2;
527 }
528
529 if (!sp->autoconf) {
530 ret = cdns_sierra_get_optional(&sp->phys[node], child);
531 if (ret) {
532 dev_err(dev, "missing property in node %s\n",
533 ofnode_get_name(child));
534 goto put_child;
535 }
536 }
537 sp->num_lanes += sp->phys[node].num_lanes;
538
539 node++;
540 }
541 sp->nsubnodes = node;
542
543 /* If more than one subnode, configure the PHY as multilink */
544 if (!sp->autoconf && sp->nsubnodes > 1)
545 regmap_field_write(sp->phy_pll_cfg_1, 0x1);
546
547 reset_control_deassert(sp->phy_rst);
548 dev_info(dev, "sierra probed\n");
549 return 0;
550
551put_child:
552 node++;
553put_child2:
554
555clk_disable:
556 clk_disable_unprepare(sp->clk);
557 return ret;
558}
559
560static int cdns_sierra_phy_remove(struct udevice *dev)
561{
562 struct cdns_sierra_phy *phy = dev_get_priv(dev);
563 int i;
564
565 reset_control_assert(phy->phy_rst);
566
567 /*
568 * The device level resets will be put automatically.
569 * Need to put the subnode resets here though.
570 */
571 for (i = 0; i < phy->nsubnodes; i++)
572 reset_assert_bulk(phy->phys[i].lnk_rst);
573
574 return 0;
575}
576
577/* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */
578static struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = {
579 {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
580 {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
581 {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
582 {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
583 {0x1B1B, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG}
584};
585
586/* refclk100MHz_32b_PCIe_ln_ext_ssc */
587static struct cdns_reg_pairs cdns_pcie_ln_regs_ext_ssc[] = {
588 {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
589 {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
590 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
591 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
592 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
593 {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
594 {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG}
595};
596
597/* refclk100MHz_20b_USB_cmn_pll_ext_ssc */
598static struct cdns_reg_pairs cdns_usb_cmn_regs_ext_ssc[] = {
599 {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
600 {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
601 {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
602 {0x0000, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG}
603};
604
605/* refclk100MHz_20b_USB_ln_ext_ssc */
606static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
607 {0xFE0A, SIERRA_DET_STANDEC_A_PREG},
608 {0x000F, SIERRA_DET_STANDEC_B_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530609 {0x55A5, SIERRA_DET_STANDEC_C_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530610 {0x69ad, SIERRA_DET_STANDEC_D_PREG},
611 {0x0241, SIERRA_DET_STANDEC_E_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530612 {0x0110, SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530613 {0x0014, SIERRA_PSM_A0IN_TMR_PREG},
614 {0xCF00, SIERRA_PSM_DIAG_PREG},
615 {0x001F, SIERRA_PSC_TX_A0_PREG},
616 {0x0007, SIERRA_PSC_TX_A1_PREG},
617 {0x0003, SIERRA_PSC_TX_A2_PREG},
618 {0x0003, SIERRA_PSC_TX_A3_PREG},
619 {0x0FFF, SIERRA_PSC_RX_A0_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530620 {0x0003, SIERRA_PSC_RX_A1_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530621 {0x0003, SIERRA_PSC_RX_A2_PREG},
622 {0x0001, SIERRA_PSC_RX_A3_PREG},
623 {0x0001, SIERRA_PLLCTRL_SUBRATE_PREG},
624 {0x0406, SIERRA_PLLCTRL_GEN_D_PREG},
625 {0x5233, SIERRA_PLLCTRL_CPGAIN_MODE_PREG},
626 {0x00CA, SIERRA_CLKPATH_BIASTRIM_PREG},
627 {0x2512, SIERRA_DFE_BIASTRIM_PREG},
628 {0x0000, SIERRA_DRVCTRL_ATTEN_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530629 {0x823E, SIERRA_CLKPATHCTRL_TMR_PREG},
630 {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
631 {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530632 {0x7B3C, SIERRA_CREQ_CCLKDET_MODE01_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530633 {0x023C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530634 {0x3232, SIERRA_CREQ_FSMCLK_SEL_PREG},
635 {0x0000, SIERRA_CREQ_EQ_CTRL_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530636 {0x0000, SIERRA_CREQ_SPARE_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530637 {0xCC44, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530638 {0x8452, SIERRA_CTLELUT_CTRL_PREG},
639 {0x4121, SIERRA_DFE_ECMP_RATESEL_PREG},
640 {0x4121, SIERRA_DFE_SMP_RATESEL_PREG},
641 {0x0003, SIERRA_DEQ_PHALIGN_CTRL},
Alan Douglasfda76da2021-07-21 21:28:36 +0530642 {0x3200, SIERRA_DEQ_CONCUR_CTRL1_PREG},
643 {0x5064, SIERRA_DEQ_CONCUR_CTRL2_PREG},
644 {0x0030, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
645 {0x0048, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
646 {0x5A5A, SIERRA_DEQ_ERRCMP_CTRL_PREG},
647 {0x02F5, SIERRA_DEQ_OFFSET_CTRL_PREG},
648 {0x02F5, SIERRA_DEQ_GAIN_CTRL_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530649 {0x9999, SIERRA_DEQ_VGATUNE_CTRL_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530650 {0x0014, SIERRA_DEQ_GLUT0},
651 {0x0014, SIERRA_DEQ_GLUT1},
652 {0x0014, SIERRA_DEQ_GLUT2},
653 {0x0014, SIERRA_DEQ_GLUT3},
654 {0x0014, SIERRA_DEQ_GLUT4},
655 {0x0014, SIERRA_DEQ_GLUT5},
656 {0x0014, SIERRA_DEQ_GLUT6},
657 {0x0014, SIERRA_DEQ_GLUT7},
658 {0x0014, SIERRA_DEQ_GLUT8},
659 {0x0014, SIERRA_DEQ_GLUT9},
660 {0x0014, SIERRA_DEQ_GLUT10},
661 {0x0014, SIERRA_DEQ_GLUT11},
662 {0x0014, SIERRA_DEQ_GLUT12},
663 {0x0014, SIERRA_DEQ_GLUT13},
664 {0x0014, SIERRA_DEQ_GLUT14},
665 {0x0014, SIERRA_DEQ_GLUT15},
666 {0x0014, SIERRA_DEQ_GLUT16},
667 {0x0BAE, SIERRA_DEQ_ALUT0},
668 {0x0AEB, SIERRA_DEQ_ALUT1},
669 {0x0A28, SIERRA_DEQ_ALUT2},
670 {0x0965, SIERRA_DEQ_ALUT3},
671 {0x08A2, SIERRA_DEQ_ALUT4},
672 {0x07DF, SIERRA_DEQ_ALUT5},
673 {0x071C, SIERRA_DEQ_ALUT6},
674 {0x0659, SIERRA_DEQ_ALUT7},
675 {0x0596, SIERRA_DEQ_ALUT8},
676 {0x0514, SIERRA_DEQ_ALUT9},
677 {0x0492, SIERRA_DEQ_ALUT10},
678 {0x0410, SIERRA_DEQ_ALUT11},
679 {0x038E, SIERRA_DEQ_ALUT12},
680 {0x030C, SIERRA_DEQ_ALUT13},
681 {0x03F4, SIERRA_DEQ_DFETAP_CTRL_PREG},
682 {0x0001, SIERRA_DFE_EN_1010_IGNORE_PREG},
683 {0x3C01, SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG},
684 {0x3C40, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
685 {0x1C08, SIERRA_DEQ_TAU_CTRL2_PREG},
686 {0x0033, SIERRA_DEQ_PICTRL_PREG},
687 {0x0400, SIERRA_CPICAL_TMRVAL_MODE1_PREG},
688 {0x0330, SIERRA_CPICAL_TMRVAL_MODE0_PREG},
689 {0x01FF, SIERRA_CPICAL_PICNT_MODE1_PREG},
690 {0x0009, SIERRA_CPI_OUTBUF_RATESEL_PREG},
691 {0x3232, SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG},
692 {0x0005, SIERRA_LFPSDET_SUPPORT_PREG},
693 {0x000F, SIERRA_LFPSFILT_NS_PREG},
694 {0x0009, SIERRA_LFPSFILT_RD_PREG},
695 {0x0001, SIERRA_LFPSFILT_MP_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530696 {0x6013, SIERRA_SIGDET_SUPPORT_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530697 {0x8013, SIERRA_SDFILT_H2L_A_PREG},
698 {0x8009, SIERRA_SDFILT_L2H_PREG},
699 {0x0024, SIERRA_RXBUFFER_CTLECTRL_PREG},
700 {0x0020, SIERRA_RXBUFFER_RCDFECTRL_PREG},
701 {0x4243, SIERRA_RXBUFFER_DFECTRL_PREG}
702};
703
704static const struct cdns_sierra_data cdns_map_sierra = {
705 SIERRA_MACRO_ID,
706 0x2,
707 0x2,
708 ARRAY_SIZE(cdns_pcie_cmn_regs_ext_ssc),
709 ARRAY_SIZE(cdns_pcie_ln_regs_ext_ssc),
710 ARRAY_SIZE(cdns_usb_cmn_regs_ext_ssc),
711 ARRAY_SIZE(cdns_usb_ln_regs_ext_ssc),
712 cdns_pcie_cmn_regs_ext_ssc,
713 cdns_pcie_ln_regs_ext_ssc,
714 cdns_usb_cmn_regs_ext_ssc,
715 cdns_usb_ln_regs_ext_ssc,
716};
717
718static const struct cdns_sierra_data cdns_ti_map_sierra = {
719 SIERRA_MACRO_ID,
720 0x0,
721 0x1,
722 ARRAY_SIZE(cdns_pcie_cmn_regs_ext_ssc),
723 ARRAY_SIZE(cdns_pcie_ln_regs_ext_ssc),
724 ARRAY_SIZE(cdns_usb_cmn_regs_ext_ssc),
725 ARRAY_SIZE(cdns_usb_ln_regs_ext_ssc),
726 cdns_pcie_cmn_regs_ext_ssc,
727 cdns_pcie_ln_regs_ext_ssc,
728 cdns_usb_cmn_regs_ext_ssc,
729 cdns_usb_ln_regs_ext_ssc,
730};
731
732static const struct udevice_id cdns_sierra_id_table[] = {
733 {
734 .compatible = "cdns,sierra-phy-t0",
735 .data = (ulong)&cdns_map_sierra,
736 },
737 {
738 .compatible = "ti,sierra-phy-t0",
739 .data = (ulong)&cdns_ti_map_sierra,
740 },
741 {}
742};
743
744U_BOOT_DRIVER(sierra_phy_provider) = {
745 .name = "cdns,sierra",
746 .id = UCLASS_PHY,
747 .of_match = cdns_sierra_id_table,
748 .probe = cdns_sierra_phy_probe,
749 .remove = cdns_sierra_phy_remove,
750 .ops = &ops,
751 .priv_auto = sizeof(struct cdns_sierra_phy),
752};