blob: df31fb3f19a37b4173eacdc04d68c0220d779b2f [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>
Aswath Govindraju304341f2022-01-28 13:41:36 +053016#include <linux/clk-provider.h>
Alan Douglasfda76da2021-07-21 21:28:36 +053017#include <generic-phy.h>
18#include <reset.h>
19#include <dm/device.h>
20#include <dm/device-internal.h>
21#include <dm/device_compat.h>
22#include <dm/lists.h>
23#include <dm/read.h>
24#include <dm/uclass.h>
25#include <dm/devres.h>
26#include <linux/io.h>
27#include <dt-bindings/phy/phy.h>
Aswath Govindraju304341f2022-01-28 13:41:36 +053028#include <dt-bindings/phy/phy-cadence.h>
Alan Douglasfda76da2021-07-21 21:28:36 +053029#include <regmap.h>
30
Swapnil Jakhadee42a8472022-01-28 13:41:40 +053031#define NUM_SSC_MODE 3
32#define NUM_PHY_TYPE 3
33
Alan Douglasfda76da2021-07-21 21:28:36 +053034/* PHY register offsets */
35#define SIERRA_COMMON_CDB_OFFSET 0x0
36#define SIERRA_MACRO_ID_REG 0x0
Aswath Govindraju304341f2022-01-28 13:41:36 +053037#define SIERRA_CMN_PLLLC_GEN_PREG 0x42
Alan Douglasfda76da2021-07-21 21:28:36 +053038#define SIERRA_CMN_PLLLC_MODE_PREG 0x48
39#define SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG 0x49
40#define SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG 0x4A
41#define SIERRA_CMN_PLLLC_LOCK_CNTSTART_PREG 0x4B
42#define SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG 0x4F
43#define SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG 0x50
44#define SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG 0x62
Aswath Govindraju304341f2022-01-28 13:41:36 +053045#define SIERRA_CMN_REFRCV_PREG 0x98
46#define SIERRA_CMN_REFRCV1_PREG 0xB8
47#define SIERRA_CMN_PLLLC1_GEN_PREG 0xC2
Alan Douglasfda76da2021-07-21 21:28:36 +053048
49#define SIERRA_LANE_CDB_OFFSET(ln, offset) \
50 (0x4000 + ((ln) * (0x800 >> (2 - (offset)))))
51
52#define SIERRA_DET_STANDEC_A_PREG 0x000
53#define SIERRA_DET_STANDEC_B_PREG 0x001
54#define SIERRA_DET_STANDEC_C_PREG 0x002
55#define SIERRA_DET_STANDEC_D_PREG 0x003
56#define SIERRA_DET_STANDEC_E_PREG 0x004
57#define SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG 0x008
58#define SIERRA_PSM_A0IN_TMR_PREG 0x009
59#define SIERRA_PSM_DIAG_PREG 0x015
60#define SIERRA_PSC_TX_A0_PREG 0x028
61#define SIERRA_PSC_TX_A1_PREG 0x029
62#define SIERRA_PSC_TX_A2_PREG 0x02A
63#define SIERRA_PSC_TX_A3_PREG 0x02B
64#define SIERRA_PSC_RX_A0_PREG 0x030
65#define SIERRA_PSC_RX_A1_PREG 0x031
66#define SIERRA_PSC_RX_A2_PREG 0x032
67#define SIERRA_PSC_RX_A3_PREG 0x033
68#define SIERRA_PLLCTRL_SUBRATE_PREG 0x03A
69#define SIERRA_PLLCTRL_GEN_D_PREG 0x03E
70#define SIERRA_PLLCTRL_CPGAIN_MODE_PREG 0x03F
71#define SIERRA_PLLCTRL_STATUS_PREG 0x044
72#define SIERRA_CLKPATH_BIASTRIM_PREG 0x04B
73#define SIERRA_DFE_BIASTRIM_PREG 0x04C
74#define SIERRA_DRVCTRL_ATTEN_PREG 0x06A
75#define SIERRA_CLKPATHCTRL_TMR_PREG 0x081
76#define SIERRA_RX_CREQ_FLTR_A_MODE3_PREG 0x085
77#define SIERRA_RX_CREQ_FLTR_A_MODE2_PREG 0x086
78#define SIERRA_RX_CREQ_FLTR_A_MODE1_PREG 0x087
79#define SIERRA_RX_CREQ_FLTR_A_MODE0_PREG 0x088
80#define SIERRA_CREQ_CCLKDET_MODE01_PREG 0x08E
81#define SIERRA_RX_CTLE_MAINTENANCE_PREG 0x091
82#define SIERRA_CREQ_FSMCLK_SEL_PREG 0x092
83#define SIERRA_CREQ_EQ_CTRL_PREG 0x093
84#define SIERRA_CREQ_SPARE_PREG 0x096
85#define SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG 0x097
86#define SIERRA_CTLELUT_CTRL_PREG 0x098
87#define SIERRA_DFE_ECMP_RATESEL_PREG 0x0C0
88#define SIERRA_DFE_SMP_RATESEL_PREG 0x0C1
89#define SIERRA_DEQ_PHALIGN_CTRL 0x0C4
90#define SIERRA_DEQ_CONCUR_CTRL1_PREG 0x0C8
91#define SIERRA_DEQ_CONCUR_CTRL2_PREG 0x0C9
92#define SIERRA_DEQ_EPIPWR_CTRL2_PREG 0x0CD
93#define SIERRA_DEQ_FAST_MAINT_CYCLES_PREG 0x0CE
94#define SIERRA_DEQ_ERRCMP_CTRL_PREG 0x0D0
95#define SIERRA_DEQ_OFFSET_CTRL_PREG 0x0D8
96#define SIERRA_DEQ_GAIN_CTRL_PREG 0x0E0
97#define SIERRA_DEQ_VGATUNE_CTRL_PREG 0x0E1
98#define SIERRA_DEQ_GLUT0 0x0E8
99#define SIERRA_DEQ_GLUT1 0x0E9
100#define SIERRA_DEQ_GLUT2 0x0EA
101#define SIERRA_DEQ_GLUT3 0x0EB
102#define SIERRA_DEQ_GLUT4 0x0EC
103#define SIERRA_DEQ_GLUT5 0x0ED
104#define SIERRA_DEQ_GLUT6 0x0EE
105#define SIERRA_DEQ_GLUT7 0x0EF
106#define SIERRA_DEQ_GLUT8 0x0F0
107#define SIERRA_DEQ_GLUT9 0x0F1
108#define SIERRA_DEQ_GLUT10 0x0F2
109#define SIERRA_DEQ_GLUT11 0x0F3
110#define SIERRA_DEQ_GLUT12 0x0F4
111#define SIERRA_DEQ_GLUT13 0x0F5
112#define SIERRA_DEQ_GLUT14 0x0F6
113#define SIERRA_DEQ_GLUT15 0x0F7
114#define SIERRA_DEQ_GLUT16 0x0F8
115#define SIERRA_DEQ_ALUT0 0x108
116#define SIERRA_DEQ_ALUT1 0x109
117#define SIERRA_DEQ_ALUT2 0x10A
118#define SIERRA_DEQ_ALUT3 0x10B
119#define SIERRA_DEQ_ALUT4 0x10C
120#define SIERRA_DEQ_ALUT5 0x10D
121#define SIERRA_DEQ_ALUT6 0x10E
122#define SIERRA_DEQ_ALUT7 0x10F
123#define SIERRA_DEQ_ALUT8 0x110
124#define SIERRA_DEQ_ALUT9 0x111
125#define SIERRA_DEQ_ALUT10 0x112
126#define SIERRA_DEQ_ALUT11 0x113
127#define SIERRA_DEQ_ALUT12 0x114
128#define SIERRA_DEQ_ALUT13 0x115
129#define SIERRA_DEQ_DFETAP_CTRL_PREG 0x128
130#define SIERRA_DFE_EN_1010_IGNORE_PREG 0x134
131#define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150
132#define SIERRA_DEQ_TAU_CTRL2_PREG 0x151
133#define SIERRA_DEQ_PICTRL_PREG 0x161
134#define SIERRA_CPICAL_TMRVAL_MODE1_PREG 0x170
135#define SIERRA_CPICAL_TMRVAL_MODE0_PREG 0x171
136#define SIERRA_CPICAL_PICNT_MODE1_PREG 0x174
137#define SIERRA_CPI_OUTBUF_RATESEL_PREG 0x17C
138#define SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG 0x183
139#define SIERRA_LFPSDET_SUPPORT_PREG 0x188
140#define SIERRA_LFPSFILT_NS_PREG 0x18A
141#define SIERRA_LFPSFILT_RD_PREG 0x18B
142#define SIERRA_LFPSFILT_MP_PREG 0x18C
143#define SIERRA_SIGDET_SUPPORT_PREG 0x190
144#define SIERRA_SDFILT_H2L_A_PREG 0x191
145#define SIERRA_SDFILT_L2H_PREG 0x193
146#define SIERRA_RXBUFFER_CTLECTRL_PREG 0x19E
147#define SIERRA_RXBUFFER_RCDFECTRL_PREG 0x19F
148#define SIERRA_RXBUFFER_DFECTRL_PREG 0x1A0
149#define SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG 0x14F
150#define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150
151
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530152#define SIERRA_PHY_PCS_COMMON_OFFSET 0xc000
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +0530153#define SIERRA_PHY_PIPE_CMN_CTRL1 0x0
Alan Douglasfda76da2021-07-21 21:28:36 +0530154#define SIERRA_PHY_PLL_CFG 0xe
155
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530156/* PHY PMA common registers */
157#define SIERRA_PHY_PMA_COMMON_OFFSET 0xe000
158#define SIERRA_PHY_PMA_CMN_CTRL 0x0
159
Alan Douglasfda76da2021-07-21 21:28:36 +0530160#define SIERRA_MACRO_ID 0x00007364
161#define SIERRA_MAX_LANES 16
162#define PLL_LOCK_TIME 100
163
Aswath Govindraju304341f2022-01-28 13:41:36 +0530164#define CDNS_SIERRA_INPUT_CLOCKS 5
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530165enum cdns_sierra_clock_input {
166 PHY_CLK,
167 CMN_REFCLK_DIG_DIV,
168 CMN_REFCLK1_DIG_DIV,
Aswath Govindraju304341f2022-01-28 13:41:36 +0530169 PLL0_REFCLK,
170 PLL1_REFCLK,
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530171};
172
Aswath Govindraju304341f2022-01-28 13:41:36 +0530173#define SIERRA_NUM_CMN_PLLC 2
174#define SIERRA_NUM_CMN_PLLC_PARENTS 2
175
Alan Douglasfda76da2021-07-21 21:28:36 +0530176static const struct reg_field macro_id_type =
177 REG_FIELD(SIERRA_MACRO_ID_REG, 0, 15);
178static const struct reg_field phy_pll_cfg_1 =
179 REG_FIELD(SIERRA_PHY_PLL_CFG, 1, 1);
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530180static const struct reg_field pma_cmn_ready =
181 REG_FIELD(SIERRA_PHY_PMA_CMN_CTRL, 0, 0);
Alan Douglasfda76da2021-07-21 21:28:36 +0530182static const struct reg_field pllctrl_lock =
183 REG_FIELD(SIERRA_PLLCTRL_STATUS_PREG, 0, 0);
184
Aswath Govindraju304341f2022-01-28 13:41:36 +0530185static const char * const clk_names[] = {
186 [CDNS_SIERRA_PLL_CMNLC] = "pll_cmnlc",
187 [CDNS_SIERRA_PLL_CMNLC1] = "pll_cmnlc1",
188};
189
190enum cdns_sierra_cmn_plllc {
191 CMN_PLLLC,
192 CMN_PLLLC1,
193};
194
195struct cdns_sierra_pll_mux_reg_fields {
196 struct reg_field pfdclk_sel_preg;
197 struct reg_field plllc1en_field;
198 struct reg_field termen_field;
199};
200
201static const struct cdns_sierra_pll_mux_reg_fields cmn_plllc_pfdclk1_sel_preg[] = {
202 [CMN_PLLLC] = {
203 .pfdclk_sel_preg = REG_FIELD(SIERRA_CMN_PLLLC_GEN_PREG, 1, 1),
204 .plllc1en_field = REG_FIELD(SIERRA_CMN_REFRCV1_PREG, 8, 8),
205 .termen_field = REG_FIELD(SIERRA_CMN_REFRCV1_PREG, 0, 0),
206 },
207 [CMN_PLLLC1] = {
208 .pfdclk_sel_preg = REG_FIELD(SIERRA_CMN_PLLLC1_GEN_PREG, 1, 1),
209 .plllc1en_field = REG_FIELD(SIERRA_CMN_REFRCV_PREG, 8, 8),
210 .termen_field = REG_FIELD(SIERRA_CMN_REFRCV_PREG, 0, 0),
211 },
212};
213
214struct cdns_sierra_pll_mux {
215 struct cdns_sierra_phy *sp;
216 struct clk *clk;
217 struct clk *parent_clks[2];
218 struct regmap_field *pfdclk_sel_preg;
219 struct regmap_field *plllc1en_field;
220 struct regmap_field *termen_field;
221};
222
Alan Douglasfda76da2021-07-21 21:28:36 +0530223#define reset_control_assert(rst) cdns_reset_assert(rst)
224#define reset_control_deassert(rst) cdns_reset_deassert(rst)
225#define reset_control reset_ctl
226
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530227enum cdns_sierra_phy_type {
228 TYPE_NONE,
229 TYPE_PCIE,
230 TYPE_USB
231};
232
233enum cdns_sierra_ssc_mode {
234 NO_SSC,
235 EXTERNAL_SSC,
236 INTERNAL_SSC
237};
238
Alan Douglasfda76da2021-07-21 21:28:36 +0530239struct cdns_sierra_inst {
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530240 enum cdns_sierra_phy_type phy_type;
Alan Douglasfda76da2021-07-21 21:28:36 +0530241 u32 num_lanes;
242 u32 mlane;
243 struct reset_ctl_bulk *lnk_rst;
Swapnil Jakhade0d372ea2022-01-28 13:41:42 +0530244 enum cdns_sierra_ssc_mode ssc_mode;
Alan Douglasfda76da2021-07-21 21:28:36 +0530245};
246
247struct cdns_reg_pairs {
248 u16 val;
249 u32 off;
250};
251
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530252struct cdns_sierra_vals {
253 const struct cdns_reg_pairs *reg_pairs;
254 u32 num_regs;
255};
256
Alan Douglasfda76da2021-07-21 21:28:36 +0530257struct cdns_sierra_data {
258 u32 id_value;
259 u8 block_offset_shift;
260 u8 reg_offset_shift;
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +0530261 struct cdns_sierra_vals *pcs_cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE]
262 [NUM_SSC_MODE];
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530263 struct cdns_sierra_vals *pma_cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE]
264 [NUM_SSC_MODE];
265 struct cdns_sierra_vals *pma_ln_vals[NUM_PHY_TYPE][NUM_PHY_TYPE]
266 [NUM_SSC_MODE];
Alan Douglasfda76da2021-07-21 21:28:36 +0530267};
268
Alan Douglasfda76da2021-07-21 21:28:36 +0530269struct cdns_sierra_phy {
270 struct udevice *dev;
271 void *base;
272 size_t size;
273 struct regmap *regmap;
274 struct cdns_sierra_data *init_data;
Aswath Govindraju11fcd0e2022-01-28 13:41:35 +0530275 struct cdns_sierra_inst *phys[SIERRA_MAX_LANES];
Alan Douglasfda76da2021-07-21 21:28:36 +0530276 struct reset_control *phy_rst;
277 struct regmap *regmap_lane_cdb[SIERRA_MAX_LANES];
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530278 struct regmap *regmap_phy_pcs_common_cdb;
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530279 struct regmap *regmap_phy_pma_common_cdb;
Alan Douglasfda76da2021-07-21 21:28:36 +0530280 struct regmap *regmap_common_cdb;
281 struct regmap_field *macro_id_type;
282 struct regmap_field *phy_pll_cfg_1;
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530283 struct regmap_field *pma_cmn_ready;
Alan Douglasfda76da2021-07-21 21:28:36 +0530284 struct regmap_field *pllctrl_lock[SIERRA_MAX_LANES];
Aswath Govindraju304341f2022-01-28 13:41:36 +0530285 struct regmap_field *cmn_refrcv_refclk_plllc1en_preg[SIERRA_NUM_CMN_PLLC];
286 struct regmap_field *cmn_refrcv_refclk_termen_preg[SIERRA_NUM_CMN_PLLC];
287 struct regmap_field *cmn_plllc_pfdclk1_sel_preg[SIERRA_NUM_CMN_PLLC];
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530288 struct clk *input_clks[CDNS_SIERRA_INPUT_CLOCKS];
Alan Douglasfda76da2021-07-21 21:28:36 +0530289 int nsubnodes;
290 u32 num_lanes;
291 bool autoconf;
292};
293
294static inline int cdns_reset_assert(struct reset_control *rst)
295{
296 if (rst)
297 return reset_assert(rst);
298 else
299 return 0;
300}
301
302static inline int cdns_reset_deassert(struct reset_control *rst)
303{
304 if (rst)
305 return reset_deassert(rst);
306 else
307 return 0;
308}
309
310static inline struct cdns_sierra_inst *phy_get_drvdata(struct phy *phy)
311{
312 struct cdns_sierra_phy *sp = dev_get_priv(phy->dev);
313 int index;
314
315 if (phy->id >= SIERRA_MAX_LANES)
316 return NULL;
317
318 for (index = 0; index < sp->nsubnodes; index++) {
Aswath Govindraju11fcd0e2022-01-28 13:41:35 +0530319 if (phy->id == sp->phys[index]->mlane)
320 return sp->phys[index];
Alan Douglasfda76da2021-07-21 21:28:36 +0530321 }
322
323 return NULL;
324}
325
326static int cdns_sierra_phy_init(struct phy *gphy)
327{
328 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
329 struct cdns_sierra_phy *phy = dev_get_priv(gphy->dev);
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530330 struct cdns_sierra_data *init_data = phy->init_data;
331 struct cdns_sierra_vals *pma_cmn_vals, *pma_ln_vals;
332 enum cdns_sierra_phy_type phy_type = ins->phy_type;
Swapnil Jakhade0d372ea2022-01-28 13:41:42 +0530333 enum cdns_sierra_ssc_mode ssc = ins->ssc_mode;
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530334 const struct cdns_reg_pairs *reg_pairs;
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +0530335 struct cdns_sierra_vals *pcs_cmn_vals;
Alan Douglasfda76da2021-07-21 21:28:36 +0530336 struct regmap *regmap = phy->regmap;
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530337 u32 num_regs;
Alan Douglasfda76da2021-07-21 21:28:36 +0530338 int i, j;
Alan Douglasfda76da2021-07-21 21:28:36 +0530339
340 /* Initialise the PHY registers, unless auto configured */
341 if (phy->autoconf)
342 return 0;
343
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530344 clk_set_rate(phy->input_clks[CMN_REFCLK_DIG_DIV], 25000000);
345 clk_set_rate(phy->input_clks[CMN_REFCLK1_DIG_DIV], 25000000);
Alan Douglasfda76da2021-07-21 21:28:36 +0530346
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +0530347 /* PHY PCS common registers configurations */
348 pcs_cmn_vals = init_data->pcs_cmn_vals[phy_type][TYPE_NONE][ssc];
349 if (pcs_cmn_vals) {
350 reg_pairs = pcs_cmn_vals->reg_pairs;
351 num_regs = pcs_cmn_vals->num_regs;
352 regmap = phy->regmap_phy_pcs_common_cdb;
353 for (i = 0; i < num_regs; i++)
354 regmap_write(regmap, reg_pairs[i].off, reg_pairs[i].val);
355 }
356
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530357 /* PMA common registers configurations */
358 pma_cmn_vals = init_data->pma_cmn_vals[phy_type][TYPE_NONE][ssc];
359 if (pma_cmn_vals) {
360 reg_pairs = pma_cmn_vals->reg_pairs;
361 num_regs = pma_cmn_vals->num_regs;
362 regmap = phy->regmap_common_cdb;
363 for (i = 0; i < num_regs; i++)
364 regmap_write(regmap, reg_pairs[i].off, reg_pairs[i].val);
Alan Douglasfda76da2021-07-21 21:28:36 +0530365 }
366
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530367 /* PMA TX lane registers configurations */
368 pma_ln_vals = init_data->pma_ln_vals[phy_type][TYPE_NONE][ssc];
369 if (pma_ln_vals) {
370 reg_pairs = pma_ln_vals->reg_pairs;
371 num_regs = pma_ln_vals->num_regs;
372 for (i = 0; i < ins->num_lanes; i++) {
Alan Douglasfda76da2021-07-21 21:28:36 +0530373 regmap = phy->regmap_lane_cdb[i + ins->mlane];
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530374 for (j = 0; j < num_regs; j++)
375 regmap_write(regmap, reg_pairs[j].off, reg_pairs[j].val);
Alan Douglasfda76da2021-07-21 21:28:36 +0530376 }
377 }
378
379 return 0;
380}
381
382static int cdns_sierra_phy_on(struct phy *gphy)
383{
384 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
385 struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
386 struct udevice *dev = gphy->dev;
387 u32 val;
388 int ret;
389
Kishon Vijay Abraham I1ff2b712022-01-28 13:41:29 +0530390 ret = reset_control_deassert(sp->phy_rst);
391 if (ret) {
392 dev_err(dev, "Failed to take the PHY out of reset\n");
393 return ret;
394 }
395
Alan Douglasfda76da2021-07-21 21:28:36 +0530396 /* Take the PHY lane group out of reset */
397 ret = reset_deassert_bulk(ins->lnk_rst);
398 if (ret) {
399 dev_err(dev, "Failed to take the PHY lane out of reset\n");
400 return ret;
401 }
402
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530403 /*
404 * Wait for cmn_ready assertion
405 * PHY_PMA_CMN_CTRL[0] == 1
406 */
407 ret = regmap_field_read_poll_timeout(sp->pma_cmn_ready, val, val,
408 1000, PLL_LOCK_TIME);
409 if (ret) {
410 dev_err(dev, "Timeout waiting for CMN ready\n");
411 return ret;
412 }
413
Alan Douglasfda76da2021-07-21 21:28:36 +0530414 ret = regmap_field_read_poll_timeout(sp->pllctrl_lock[ins->mlane],
415 val, val, 1000, PLL_LOCK_TIME);
416 if (ret < 0)
417 dev_err(dev, "PLL lock of lane failed\n");
418
419 reset_control_assert(sp->phy_rst);
420 reset_control_deassert(sp->phy_rst);
421
422 return ret;
423}
424
425static int cdns_sierra_phy_off(struct phy *gphy)
426{
427 struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
428
429 return reset_assert_bulk(ins->lnk_rst);
430}
431
432static int cdns_sierra_phy_reset(struct phy *gphy)
433{
434 struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
435
436 reset_control_assert(sp->phy_rst);
437 reset_control_deassert(sp->phy_rst);
438 return 0;
439};
440
441static const struct phy_ops ops = {
442 .init = cdns_sierra_phy_init,
443 .power_on = cdns_sierra_phy_on,
444 .power_off = cdns_sierra_phy_off,
445 .reset = cdns_sierra_phy_reset,
446};
447
Aswath Govindraju304341f2022-01-28 13:41:36 +0530448struct cdns_sierra_pll_mux_sel {
449 enum cdns_sierra_cmn_plllc mux_sel;
450 u32 table[2];
451 const char *node_name;
452 u32 num_parents;
453 u32 parents[2];
454};
455
456static struct cdns_sierra_pll_mux_sel pll_clk_mux_sel[] = {
457 {
458 .num_parents = 2,
459 .parents = { PLL0_REFCLK, PLL1_REFCLK },
460 .mux_sel = CMN_PLLLC,
461 .table = { 0, 1 },
462 .node_name = "pll_cmnlc",
463 },
464 {
465 .num_parents = 2,
466 .parents = { PLL1_REFCLK, PLL0_REFCLK },
467 .mux_sel = CMN_PLLLC1,
468 .table = { 1, 0 },
469 .node_name = "pll_cmnlc1",
470 },
471};
472
473static int cdns_sierra_pll_mux_set_parent(struct clk *clk, struct clk *parent)
474{
475 struct udevice *dev = clk->dev;
476 struct cdns_sierra_pll_mux *priv = dev_get_priv(dev);
477 struct cdns_sierra_pll_mux_sel *data = dev_get_plat(dev);
478 struct cdns_sierra_phy *sp = priv->sp;
479 int ret;
480 int i;
481
482 for (i = 0; i < ARRAY_SIZE(priv->parent_clks); i++) {
483 if (parent->dev == priv->parent_clks[i]->dev)
484 break;
485 }
486
487 if (i == ARRAY_SIZE(priv->parent_clks))
488 return -EINVAL;
489
490 ret = regmap_field_write(sp->cmn_refrcv_refclk_plllc1en_preg[data[clk->id].mux_sel], i);
491 ret |= regmap_field_write(sp->cmn_refrcv_refclk_termen_preg[data[clk->id].mux_sel], i);
492 ret |= regmap_field_write(sp->cmn_plllc_pfdclk1_sel_preg[data[clk->id].mux_sel],
493 data[clk->id].table[i]);
494
495 return ret;
496}
497
498static const struct clk_ops cdns_sierra_pll_mux_ops = {
499 .set_parent = cdns_sierra_pll_mux_set_parent,
500};
501
502int cdns_sierra_pll_mux_probe(struct udevice *dev)
503{
504 struct cdns_sierra_pll_mux *priv = dev_get_priv(dev);
505 struct cdns_sierra_phy *sp = dev_get_priv(dev->parent);
506 struct cdns_sierra_pll_mux_sel *data = dev_get_plat(dev);
507 struct clk *clk;
508 int i, j;
509
510 for (j = 0; j < SIERRA_NUM_CMN_PLLC; j++) {
511 for (i = 0; i < ARRAY_SIZE(priv->parent_clks); i++) {
512 clk = sp->input_clks[data[j].parents[i]];
513 if (IS_ERR_OR_NULL(clk)) {
514 dev_err(dev, "No parent clock for PLL mux clocks\n");
515 return IS_ERR(clk) ? PTR_ERR(clk) : -ENOENT;
516 }
517 priv->parent_clks[i] = clk;
518 }
519 }
520
521 priv->sp = dev_get_priv(dev->parent);
522
523 return 0;
524}
525
526U_BOOT_DRIVER(cdns_sierra_pll_mux_clk) = {
527 .name = "cdns_sierra_mux_clk",
528 .id = UCLASS_CLK,
529 .priv_auto = sizeof(struct cdns_sierra_pll_mux),
530 .ops = &cdns_sierra_pll_mux_ops,
531 .probe = cdns_sierra_pll_mux_probe,
532 .plat_auto = sizeof(struct cdns_sierra_pll_mux_sel) * SIERRA_NUM_CMN_PLLC,
533};
534
535static int cdns_sierra_pll_bind_of_clocks(struct cdns_sierra_phy *sp)
536{
537 struct udevice *dev = sp->dev;
538 struct driver *cdns_sierra_clk_drv;
539 struct cdns_sierra_pll_mux_sel *data = pll_clk_mux_sel;
540 int i, rc;
541
542 cdns_sierra_clk_drv = lists_driver_lookup_name("cdns_sierra_mux_clk");
543 if (!cdns_sierra_clk_drv) {
544 dev_err(dev, "Can not find driver 'cdns_sierra_mux_clk'\n");
545 return -ENOENT;
546 }
547
548 rc = device_bind(dev, cdns_sierra_clk_drv, "pll_mux_clk",
549 data, dev_ofnode(dev), NULL);
550 if (rc) {
551 dev_err(dev, "cannot bind driver for clock %s\n",
552 clk_names[i]);
553 }
554
555 return 0;
556}
557
Alan Douglasfda76da2021-07-21 21:28:36 +0530558static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst,
559 ofnode child)
560{
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530561 u32 phy_type;
562
Alan Douglasfda76da2021-07-21 21:28:36 +0530563 if (ofnode_read_u32(child, "reg", &inst->mlane))
564 return -EINVAL;
565
566 if (ofnode_read_u32(child, "cdns,num-lanes", &inst->num_lanes))
567 return -EINVAL;
568
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530569 if (ofnode_read_u32(child, "cdns,phy-type", &phy_type))
Alan Douglasfda76da2021-07-21 21:28:36 +0530570 return -EINVAL;
571
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530572 switch (phy_type) {
573 case PHY_TYPE_PCIE:
574 inst->phy_type = TYPE_PCIE;
575 break;
576 case PHY_TYPE_USB3:
577 inst->phy_type = TYPE_USB;
578 break;
579 default:
580 return -EINVAL;
581 }
582
Swapnil Jakhade0d372ea2022-01-28 13:41:42 +0530583 inst->ssc_mode = EXTERNAL_SSC;
584 ofnode_read_u32(child, "cdns,ssc-mode", &inst->ssc_mode);
585
Alan Douglasfda76da2021-07-21 21:28:36 +0530586 return 0;
587}
588
589static struct regmap *cdns_regmap_init(struct udevice *dev, void __iomem *base,
590 u32 block_offset, u8 block_offset_shift,
591 u8 reg_offset_shift)
592{
593 struct cdns_sierra_phy *sp = dev_get_priv(dev);
594 struct regmap_config config;
595
596 config.r_start = (ulong)(base + (block_offset << block_offset_shift));
597 config.r_size = sp->size - (block_offset << block_offset_shift);
598 config.reg_offset_shift = reg_offset_shift;
599 config.width = REGMAP_SIZE_16;
600
601 return devm_regmap_init(dev, NULL, NULL, &config);
602}
603
604static int cdns_regfield_init(struct cdns_sierra_phy *sp)
605{
606 struct udevice *dev = sp->dev;
607 struct regmap_field *field;
Aswath Govindraju304341f2022-01-28 13:41:36 +0530608 struct reg_field reg_field;
Alan Douglasfda76da2021-07-21 21:28:36 +0530609 struct regmap *regmap;
610 int i;
611
612 regmap = sp->regmap_common_cdb;
613 field = devm_regmap_field_alloc(dev, regmap, macro_id_type);
614 if (IS_ERR(field)) {
615 dev_err(dev, "MACRO_ID_TYPE reg field init failed\n");
616 return PTR_ERR(field);
617 }
618 sp->macro_id_type = field;
619
Aswath Govindraju304341f2022-01-28 13:41:36 +0530620 for (i = 0; i < SIERRA_NUM_CMN_PLLC; i++) {
621 reg_field = cmn_plllc_pfdclk1_sel_preg[i].pfdclk_sel_preg;
622 field = devm_regmap_field_alloc(dev, regmap, reg_field);
623 if (IS_ERR(field)) {
624 dev_err(dev, "PLLLC%d_PFDCLK1_SEL failed\n", i);
625 return PTR_ERR(field);
626 }
627 sp->cmn_plllc_pfdclk1_sel_preg[i] = field;
628
629 reg_field = cmn_plllc_pfdclk1_sel_preg[i].plllc1en_field;
630 field = devm_regmap_field_alloc(dev, regmap, reg_field);
631 if (IS_ERR(field)) {
632 dev_err(dev, "REFRCV%d_REFCLK_PLLLC1EN failed\n", i);
633 return PTR_ERR(field);
634 }
635 sp->cmn_refrcv_refclk_plllc1en_preg[i] = field;
636
637 reg_field = cmn_plllc_pfdclk1_sel_preg[i].termen_field;
638 field = devm_regmap_field_alloc(dev, regmap, reg_field);
639 if (IS_ERR(field)) {
640 dev_err(dev, "REFRCV%d_REFCLK_TERMEN failed\n", i);
641 return PTR_ERR(field);
642 }
643 sp->cmn_refrcv_refclk_termen_preg[i] = field;
644 }
645
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530646 regmap = sp->regmap_phy_pcs_common_cdb;
Alan Douglasfda76da2021-07-21 21:28:36 +0530647 field = devm_regmap_field_alloc(dev, regmap, phy_pll_cfg_1);
648 if (IS_ERR(field)) {
649 dev_err(dev, "PHY_PLL_CFG_1 reg field init failed\n");
650 return PTR_ERR(field);
651 }
652 sp->phy_pll_cfg_1 = field;
653
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530654 regmap = sp->regmap_phy_pma_common_cdb;
655 field = devm_regmap_field_alloc(dev, regmap, pma_cmn_ready);
656 if (IS_ERR(field)) {
657 dev_err(dev, "PHY_PMA_CMN_CTRL reg field init failed\n");
658 return PTR_ERR(field);
659 }
660 sp->pma_cmn_ready = field;
661
Alan Douglasfda76da2021-07-21 21:28:36 +0530662 for (i = 0; i < SIERRA_MAX_LANES; i++) {
663 regmap = sp->regmap_lane_cdb[i];
664 field = devm_regmap_field_alloc(dev, regmap, pllctrl_lock);
665 if (IS_ERR(field)) {
666 dev_err(dev, "P%d_ENABLE reg field init failed\n", i);
667 return PTR_ERR(field);
668 }
669 sp->pllctrl_lock[i] = field;
670 }
671
672 return 0;
673}
674
675static int cdns_regmap_init_blocks(struct cdns_sierra_phy *sp,
676 void __iomem *base, u8 block_offset_shift,
677 u8 reg_offset_shift)
678{
679 struct udevice *dev = sp->dev;
680 struct regmap *regmap;
681 u32 block_offset;
682 int i;
683
684 for (i = 0; i < SIERRA_MAX_LANES; i++) {
685 block_offset = SIERRA_LANE_CDB_OFFSET(i, reg_offset_shift);
686 regmap = cdns_regmap_init(dev, base, block_offset,
687 block_offset_shift, reg_offset_shift);
688 if (IS_ERR(regmap)) {
689 dev_err(dev, "Failed to init lane CDB regmap\n");
690 return PTR_ERR(regmap);
691 }
692 sp->regmap_lane_cdb[i] = regmap;
693 }
694
695 regmap = cdns_regmap_init(dev, base, SIERRA_COMMON_CDB_OFFSET,
696 block_offset_shift, reg_offset_shift);
697 if (IS_ERR(regmap)) {
698 dev_err(dev, "Failed to init common CDB regmap\n");
699 return PTR_ERR(regmap);
700 }
701 sp->regmap_common_cdb = regmap;
702
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530703 regmap = cdns_regmap_init(dev, base, SIERRA_PHY_PCS_COMMON_OFFSET,
Alan Douglasfda76da2021-07-21 21:28:36 +0530704 block_offset_shift, reg_offset_shift);
705 if (IS_ERR(regmap)) {
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530706 dev_err(dev, "Failed to init PHY PCS common CDB regmap\n");
Alan Douglasfda76da2021-07-21 21:28:36 +0530707 return PTR_ERR(regmap);
708 }
Swapnil Jakhade5b6b3dc2022-01-28 13:41:43 +0530709 sp->regmap_phy_pcs_common_cdb = regmap;
Alan Douglasfda76da2021-07-21 21:28:36 +0530710
Swapnil Jakhade13a62082022-01-28 13:41:45 +0530711 regmap = cdns_regmap_init(dev, base, SIERRA_PHY_PMA_COMMON_OFFSET,
712 block_offset_shift, reg_offset_shift);
713 if (IS_ERR(regmap)) {
714 dev_err(dev, "Failed to init PHY PMA common CDB regmap\n");
715 return PTR_ERR(regmap);
716 }
717 sp->regmap_phy_pma_common_cdb = regmap;
718
Alan Douglasfda76da2021-07-21 21:28:36 +0530719 return 0;
720}
721
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530722static int cdns_sierra_phy_get_clocks(struct cdns_sierra_phy *sp,
723 struct udevice *dev)
724{
725 struct clk *clk;
726 int ret;
727
728 clk = devm_clk_get_optional(dev, "phy_clk");
729 if (IS_ERR(clk)) {
730 dev_err(dev, "failed to get clock phy_clk\n");
731 return PTR_ERR(clk);
732 }
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530733 sp->input_clks[PHY_CLK] = clk;
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530734
735 clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div");
736 if (IS_ERR(clk)) {
737 dev_err(dev, "cmn_refclk_dig_div clock not found\n");
738 ret = PTR_ERR(clk);
739 return ret;
740 }
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530741 sp->input_clks[CMN_REFCLK_DIG_DIV] = clk;
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530742
743 clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div");
744 if (IS_ERR(clk)) {
745 dev_err(dev, "cmn_refclk1_dig_div clock not found\n");
746 ret = PTR_ERR(clk);
747 return ret;
748 }
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530749 sp->input_clks[CMN_REFCLK1_DIG_DIV] = clk;
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530750
Aswath Govindraju304341f2022-01-28 13:41:36 +0530751 clk = devm_clk_get_optional(dev, "pll0_refclk");
752 if (IS_ERR(clk)) {
753 dev_err(dev, "pll0_refclk clock not found\n");
754 ret = PTR_ERR(clk);
755 return ret;
756 }
757 sp->input_clks[PLL0_REFCLK] = clk;
758
759 clk = devm_clk_get_optional(dev, "pll1_refclk");
760 if (IS_ERR(clk)) {
761 dev_err(dev, "pll1_refclk clock not found\n");
762 ret = PTR_ERR(clk);
763 return ret;
764 }
765 sp->input_clks[PLL1_REFCLK] = clk;
766
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530767 return 0;
768}
769
Kishon Vijay Abraham I12fbc5c2022-01-28 13:41:32 +0530770static int cdns_sierra_phy_get_resets(struct cdns_sierra_phy *sp,
771 struct udevice *dev)
772{
773 struct reset_control *rst;
774
775 rst = devm_reset_control_get(dev, "sierra_reset");
776 if (IS_ERR(rst)) {
777 dev_err(dev, "failed to get reset\n");
778 return PTR_ERR(rst);
779 }
780 sp->phy_rst = rst;
781
782 return 0;
783}
784
Aswath Govindraju11fcd0e2022-01-28 13:41:35 +0530785static int cdns_sierra_bind_link_nodes(struct cdns_sierra_phy *sp)
786{
787 struct udevice *dev = sp->dev;
788 struct driver *link_drv;
789 ofnode child;
790 int rc;
791
792 link_drv = lists_driver_lookup_name("sierra_phy_link");
793 if (!link_drv) {
794 dev_err(dev, "Cannot find driver 'sierra_phy_link'\n");
795 return -ENOENT;
796 }
797
798 ofnode_for_each_subnode(child, dev_ofnode(dev)) {
799 if (!(ofnode_name_eq(child, "phy") ||
800 ofnode_name_eq(child, "link")))
801 continue;
802
803 rc = device_bind(dev, link_drv, "link", NULL, child, NULL);
804 if (rc) {
805 dev_err(dev, "cannot bind driver for link\n");
806 return rc;
807 }
808 }
809
810 return 0;
811}
812
813static int cdns_sierra_link_probe(struct udevice *dev)
814{
815 struct cdns_sierra_inst *inst = dev_get_priv(dev);
816 struct cdns_sierra_phy *sp = dev_get_priv(dev->parent);
817 struct reset_ctl_bulk *rst;
818 int ret, node;
819
820 rst = devm_reset_bulk_get_by_node(dev, dev_ofnode(dev));
821 if (IS_ERR(rst)) {
822 ret = PTR_ERR(rst);
823 dev_err(dev, "failed to get reset\n");
824 return ret;
825 }
826 inst->lnk_rst = rst;
827
828 ret = cdns_sierra_get_optional(inst, dev_ofnode(dev));
829 if (ret) {
830 dev_err(dev, "missing property in node\n");
831 return ret;
832 }
833 node = sp->nsubnodes;
834 sp->phys[node] = inst;
835 sp->nsubnodes += 1;
836 sp->num_lanes += inst->num_lanes;
837
838 /* If more than one subnode, configure the PHY as multilink */
839 if (!sp->autoconf && sp->nsubnodes > 1)
840 regmap_field_write(sp->phy_pll_cfg_1, 0x1);
841
842 return 0;
843}
844
845U_BOOT_DRIVER(sierra_phy_link) = {
846 .name = "sierra_phy_link",
847 .id = UCLASS_PHY,
848 .probe = cdns_sierra_link_probe,
849 .priv_auto = sizeof(struct cdns_sierra_inst),
850};
851
Alan Douglasfda76da2021-07-21 21:28:36 +0530852static int cdns_sierra_phy_probe(struct udevice *dev)
853{
854 struct cdns_sierra_phy *sp = dev_get_priv(dev);
855 struct cdns_sierra_data *data;
856 unsigned int id_value;
Aswath Govindraju304341f2022-01-28 13:41:36 +0530857 int ret;
Alan Douglasfda76da2021-07-21 21:28:36 +0530858
859 sp->dev = dev;
860
861 sp->base = devfdt_remap_addr_index(dev, 0);
862 if (!sp->base) {
863 dev_err(dev, "unable to map regs\n");
864 return -ENOMEM;
865 }
866 devfdt_get_addr_size_index(dev, 0, (fdt_size_t *)&sp->size);
867
868 /* Get init data for this PHY */
869 data = (struct cdns_sierra_data *)dev_get_driver_data(dev);
870 sp->init_data = data;
871
872 ret = cdns_regmap_init_blocks(sp, sp->base, data->block_offset_shift,
873 data->reg_offset_shift);
874 if (ret)
875 return ret;
876
877 ret = cdns_regfield_init(sp);
878 if (ret)
879 return ret;
880
Kishon Vijay Abraham I47d0bcb2022-01-28 13:41:31 +0530881 ret = cdns_sierra_phy_get_clocks(sp, dev);
882 if (ret)
883 return ret;
Alan Douglasfda76da2021-07-21 21:28:36 +0530884
Aswath Govindraju304341f2022-01-28 13:41:36 +0530885 ret = cdns_sierra_pll_bind_of_clocks(sp);
886 if (ret)
887 return ret;
Alan Douglasfda76da2021-07-21 21:28:36 +0530888
Kishon Vijay Abraham I12fbc5c2022-01-28 13:41:32 +0530889 ret = cdns_sierra_phy_get_resets(sp, dev);
890 if (ret)
891 return ret;
892
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530893 ret = clk_prepare_enable(sp->input_clks[PHY_CLK]);
Alan Douglasfda76da2021-07-21 21:28:36 +0530894 if (ret)
895 return ret;
896
897 /* Check that PHY is present */
898 regmap_field_read(sp->macro_id_type, &id_value);
899 if (sp->init_data->id_value != id_value) {
900 dev_err(dev, "PHY not found 0x%x vs 0x%x\n",
901 sp->init_data->id_value, id_value);
902 ret = -EINVAL;
903 goto clk_disable;
904 }
905
906 sp->autoconf = dev_read_bool(dev, "cdns,autoconf");
Aswath Govindraju11fcd0e2022-01-28 13:41:35 +0530907 /* Binding link nodes as children to serdes */
908 ret = cdns_sierra_bind_link_nodes(sp);
909 if (ret)
910 goto clk_disable;
Alan Douglasfda76da2021-07-21 21:28:36 +0530911
Alan Douglasfda76da2021-07-21 21:28:36 +0530912 dev_info(dev, "sierra probed\n");
913 return 0;
914
Alan Douglasfda76da2021-07-21 21:28:36 +0530915clk_disable:
Kishon Vijay Abraham Id6042522022-01-28 13:41:33 +0530916 clk_disable_unprepare(sp->input_clks[PHY_CLK]);
Alan Douglasfda76da2021-07-21 21:28:36 +0530917 return ret;
918}
919
920static int cdns_sierra_phy_remove(struct udevice *dev)
921{
922 struct cdns_sierra_phy *phy = dev_get_priv(dev);
923 int i;
924
925 reset_control_assert(phy->phy_rst);
926
927 /*
928 * The device level resets will be put automatically.
929 * Need to put the subnode resets here though.
930 */
931 for (i = 0; i < phy->nsubnodes; i++)
Aswath Govindraju11fcd0e2022-01-28 13:41:35 +0530932 reset_assert_bulk(phy->phys[i]->lnk_rst);
Alan Douglasfda76da2021-07-21 21:28:36 +0530933
Kishon Vijay Abraham I25f8b372022-01-28 13:41:34 +0530934 clk_disable_unprepare(phy->input_clks[PHY_CLK]);
935
Alan Douglasfda76da2021-07-21 21:28:36 +0530936 return 0;
937}
938
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +0530939/* PCIE PHY PCS common configuration */
940static struct cdns_reg_pairs pcie_phy_pcs_cmn_regs[] = {
941 {0x0430, SIERRA_PHY_PIPE_CMN_CTRL1}
942};
943
944static struct cdns_sierra_vals pcie_phy_pcs_cmn_vals = {
945 .reg_pairs = pcie_phy_pcs_cmn_regs,
946 .num_regs = ARRAY_SIZE(pcie_phy_pcs_cmn_regs),
947};
948
Alan Douglasfda76da2021-07-21 21:28:36 +0530949/* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */
950static struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = {
951 {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
952 {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
953 {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
954 {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
955 {0x1B1B, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG}
956};
957
958/* refclk100MHz_32b_PCIe_ln_ext_ssc */
959static struct cdns_reg_pairs cdns_pcie_ln_regs_ext_ssc[] = {
960 {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
961 {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
962 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
963 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
964 {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
965 {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
966 {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG}
967};
968
Swapnil Jakhadee42a8472022-01-28 13:41:40 +0530969static struct cdns_sierra_vals pcie_100_ext_ssc_cmn_vals = {
970 .reg_pairs = cdns_pcie_cmn_regs_ext_ssc,
971 .num_regs = ARRAY_SIZE(cdns_pcie_cmn_regs_ext_ssc),
972};
973
974static struct cdns_sierra_vals pcie_100_ext_ssc_ln_vals = {
975 .reg_pairs = cdns_pcie_ln_regs_ext_ssc,
976 .num_regs = ARRAY_SIZE(cdns_pcie_ln_regs_ext_ssc),
977};
978
Alan Douglasfda76da2021-07-21 21:28:36 +0530979/* refclk100MHz_20b_USB_cmn_pll_ext_ssc */
980static struct cdns_reg_pairs cdns_usb_cmn_regs_ext_ssc[] = {
981 {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
982 {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
983 {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
984 {0x0000, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG}
985};
986
987/* refclk100MHz_20b_USB_ln_ext_ssc */
988static struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
989 {0xFE0A, SIERRA_DET_STANDEC_A_PREG},
990 {0x000F, SIERRA_DET_STANDEC_B_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530991 {0x55A5, SIERRA_DET_STANDEC_C_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530992 {0x69ad, SIERRA_DET_STANDEC_D_PREG},
993 {0x0241, SIERRA_DET_STANDEC_E_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +0530994 {0x0110, SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +0530995 {0x0014, SIERRA_PSM_A0IN_TMR_PREG},
996 {0xCF00, SIERRA_PSM_DIAG_PREG},
997 {0x001F, SIERRA_PSC_TX_A0_PREG},
998 {0x0007, SIERRA_PSC_TX_A1_PREG},
999 {0x0003, SIERRA_PSC_TX_A2_PREG},
1000 {0x0003, SIERRA_PSC_TX_A3_PREG},
1001 {0x0FFF, SIERRA_PSC_RX_A0_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301002 {0x0003, SIERRA_PSC_RX_A1_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301003 {0x0003, SIERRA_PSC_RX_A2_PREG},
1004 {0x0001, SIERRA_PSC_RX_A3_PREG},
1005 {0x0001, SIERRA_PLLCTRL_SUBRATE_PREG},
1006 {0x0406, SIERRA_PLLCTRL_GEN_D_PREG},
1007 {0x5233, SIERRA_PLLCTRL_CPGAIN_MODE_PREG},
1008 {0x00CA, SIERRA_CLKPATH_BIASTRIM_PREG},
1009 {0x2512, SIERRA_DFE_BIASTRIM_PREG},
1010 {0x0000, SIERRA_DRVCTRL_ATTEN_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301011 {0x823E, SIERRA_CLKPATHCTRL_TMR_PREG},
1012 {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
1013 {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301014 {0x7B3C, SIERRA_CREQ_CCLKDET_MODE01_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301015 {0x023C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301016 {0x3232, SIERRA_CREQ_FSMCLK_SEL_PREG},
1017 {0x0000, SIERRA_CREQ_EQ_CTRL_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301018 {0x0000, SIERRA_CREQ_SPARE_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301019 {0xCC44, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301020 {0x8452, SIERRA_CTLELUT_CTRL_PREG},
1021 {0x4121, SIERRA_DFE_ECMP_RATESEL_PREG},
1022 {0x4121, SIERRA_DFE_SMP_RATESEL_PREG},
1023 {0x0003, SIERRA_DEQ_PHALIGN_CTRL},
Alan Douglasfda76da2021-07-21 21:28:36 +05301024 {0x3200, SIERRA_DEQ_CONCUR_CTRL1_PREG},
1025 {0x5064, SIERRA_DEQ_CONCUR_CTRL2_PREG},
1026 {0x0030, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
1027 {0x0048, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
1028 {0x5A5A, SIERRA_DEQ_ERRCMP_CTRL_PREG},
1029 {0x02F5, SIERRA_DEQ_OFFSET_CTRL_PREG},
1030 {0x02F5, SIERRA_DEQ_GAIN_CTRL_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301031 {0x9999, SIERRA_DEQ_VGATUNE_CTRL_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301032 {0x0014, SIERRA_DEQ_GLUT0},
1033 {0x0014, SIERRA_DEQ_GLUT1},
1034 {0x0014, SIERRA_DEQ_GLUT2},
1035 {0x0014, SIERRA_DEQ_GLUT3},
1036 {0x0014, SIERRA_DEQ_GLUT4},
1037 {0x0014, SIERRA_DEQ_GLUT5},
1038 {0x0014, SIERRA_DEQ_GLUT6},
1039 {0x0014, SIERRA_DEQ_GLUT7},
1040 {0x0014, SIERRA_DEQ_GLUT8},
1041 {0x0014, SIERRA_DEQ_GLUT9},
1042 {0x0014, SIERRA_DEQ_GLUT10},
1043 {0x0014, SIERRA_DEQ_GLUT11},
1044 {0x0014, SIERRA_DEQ_GLUT12},
1045 {0x0014, SIERRA_DEQ_GLUT13},
1046 {0x0014, SIERRA_DEQ_GLUT14},
1047 {0x0014, SIERRA_DEQ_GLUT15},
1048 {0x0014, SIERRA_DEQ_GLUT16},
1049 {0x0BAE, SIERRA_DEQ_ALUT0},
1050 {0x0AEB, SIERRA_DEQ_ALUT1},
1051 {0x0A28, SIERRA_DEQ_ALUT2},
1052 {0x0965, SIERRA_DEQ_ALUT3},
1053 {0x08A2, SIERRA_DEQ_ALUT4},
1054 {0x07DF, SIERRA_DEQ_ALUT5},
1055 {0x071C, SIERRA_DEQ_ALUT6},
1056 {0x0659, SIERRA_DEQ_ALUT7},
1057 {0x0596, SIERRA_DEQ_ALUT8},
1058 {0x0514, SIERRA_DEQ_ALUT9},
1059 {0x0492, SIERRA_DEQ_ALUT10},
1060 {0x0410, SIERRA_DEQ_ALUT11},
1061 {0x038E, SIERRA_DEQ_ALUT12},
1062 {0x030C, SIERRA_DEQ_ALUT13},
1063 {0x03F4, SIERRA_DEQ_DFETAP_CTRL_PREG},
1064 {0x0001, SIERRA_DFE_EN_1010_IGNORE_PREG},
1065 {0x3C01, SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG},
1066 {0x3C40, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
1067 {0x1C08, SIERRA_DEQ_TAU_CTRL2_PREG},
1068 {0x0033, SIERRA_DEQ_PICTRL_PREG},
1069 {0x0400, SIERRA_CPICAL_TMRVAL_MODE1_PREG},
1070 {0x0330, SIERRA_CPICAL_TMRVAL_MODE0_PREG},
1071 {0x01FF, SIERRA_CPICAL_PICNT_MODE1_PREG},
1072 {0x0009, SIERRA_CPI_OUTBUF_RATESEL_PREG},
1073 {0x3232, SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG},
1074 {0x0005, SIERRA_LFPSDET_SUPPORT_PREG},
1075 {0x000F, SIERRA_LFPSFILT_NS_PREG},
1076 {0x0009, SIERRA_LFPSFILT_RD_PREG},
1077 {0x0001, SIERRA_LFPSFILT_MP_PREG},
Sanket Parmara3666262022-01-28 13:41:28 +05301078 {0x6013, SIERRA_SIGDET_SUPPORT_PREG},
Alan Douglasfda76da2021-07-21 21:28:36 +05301079 {0x8013, SIERRA_SDFILT_H2L_A_PREG},
1080 {0x8009, SIERRA_SDFILT_L2H_PREG},
1081 {0x0024, SIERRA_RXBUFFER_CTLECTRL_PREG},
1082 {0x0020, SIERRA_RXBUFFER_RCDFECTRL_PREG},
1083 {0x4243, SIERRA_RXBUFFER_DFECTRL_PREG}
1084};
1085
Swapnil Jakhadee42a8472022-01-28 13:41:40 +05301086static struct cdns_sierra_vals usb_100_ext_ssc_cmn_vals = {
1087 .reg_pairs = cdns_usb_cmn_regs_ext_ssc,
1088 .num_regs = ARRAY_SIZE(cdns_usb_cmn_regs_ext_ssc),
1089};
1090
1091static struct cdns_sierra_vals usb_100_ext_ssc_ln_vals = {
1092 .reg_pairs = cdns_usb_ln_regs_ext_ssc,
1093 .num_regs = ARRAY_SIZE(cdns_usb_ln_regs_ext_ssc),
1094};
1095
Alan Douglasfda76da2021-07-21 21:28:36 +05301096static const struct cdns_sierra_data cdns_map_sierra = {
Swapnil Jakhadee42a8472022-01-28 13:41:40 +05301097 .id_value = SIERRA_MACRO_ID,
1098 .block_offset_shift = 0x2,
1099 .reg_offset_shift = 0x2,
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +05301100 .pcs_cmn_vals = {
1101 [TYPE_PCIE] = {
1102 [TYPE_NONE] = {
1103 [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
1104 },
1105 },
1106 },
Swapnil Jakhadee42a8472022-01-28 13:41:40 +05301107 .pma_cmn_vals = {
1108 [TYPE_PCIE] = {
1109 [TYPE_NONE] = {
1110 [EXTERNAL_SSC] = &pcie_100_ext_ssc_cmn_vals,
1111 },
1112 },
1113 [TYPE_USB] = {
1114 [TYPE_NONE] = {
1115 [EXTERNAL_SSC] = &usb_100_ext_ssc_cmn_vals,
1116 },
1117 },
1118 },
1119 .pma_ln_vals = {
1120 [TYPE_PCIE] = {
1121 [TYPE_NONE] = {
1122 [EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals,
1123 },
1124 },
1125 [TYPE_USB] = {
1126 [TYPE_NONE] = {
1127 [EXTERNAL_SSC] = &usb_100_ext_ssc_ln_vals,
1128 },
1129 },
1130 },
Alan Douglasfda76da2021-07-21 21:28:36 +05301131};
1132
1133static const struct cdns_sierra_data cdns_ti_map_sierra = {
Swapnil Jakhadee42a8472022-01-28 13:41:40 +05301134 .id_value = SIERRA_MACRO_ID,
1135 .block_offset_shift = 0x0,
1136 .reg_offset_shift = 0x1,
Swapnil Jakhadeaa20b302022-01-28 13:41:44 +05301137 .pcs_cmn_vals = {
1138 [TYPE_PCIE] = {
1139 [TYPE_NONE] = {
1140 [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
1141 },
1142 },
1143 },
Swapnil Jakhadee42a8472022-01-28 13:41:40 +05301144 .pma_cmn_vals = {
1145 [TYPE_PCIE] = {
1146 [TYPE_NONE] = {
1147 [EXTERNAL_SSC] = &pcie_100_ext_ssc_cmn_vals,
1148 },
1149 },
1150 [TYPE_USB] = {
1151 [TYPE_NONE] = {
1152 [EXTERNAL_SSC] = &usb_100_ext_ssc_cmn_vals,
1153 },
1154 },
1155 },
1156 .pma_ln_vals = {
1157 [TYPE_PCIE] = {
1158 [TYPE_NONE] = {
1159 [EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals,
1160 },
1161 },
1162 [TYPE_USB] = {
1163 [TYPE_NONE] = {
1164 [EXTERNAL_SSC] = &usb_100_ext_ssc_ln_vals,
1165 },
1166 },
1167 },
Alan Douglasfda76da2021-07-21 21:28:36 +05301168};
1169
1170static const struct udevice_id cdns_sierra_id_table[] = {
1171 {
1172 .compatible = "cdns,sierra-phy-t0",
1173 .data = (ulong)&cdns_map_sierra,
1174 },
1175 {
1176 .compatible = "ti,sierra-phy-t0",
1177 .data = (ulong)&cdns_ti_map_sierra,
1178 },
1179 {}
1180};
1181
1182U_BOOT_DRIVER(sierra_phy_provider) = {
1183 .name = "cdns,sierra",
1184 .id = UCLASS_PHY,
1185 .of_match = cdns_sierra_id_table,
1186 .probe = cdns_sierra_phy_probe,
1187 .remove = cdns_sierra_phy_remove,
1188 .ops = &ops,
1189 .priv_auto = sizeof(struct cdns_sierra_phy),
1190};