sparx5_serdes.c 84 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /* Microchip Sparx5 Switch SerDes driver
  3. *
  4. * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
  5. *
  6. * The Sparx5 Chip Register Model can be browsed at this location:
  7. * https://github.com/microchip-ung/sparx-5_reginfo
  8. * and the datasheet is available here:
  9. * https://ww1.microchip.com/downloads/en/DeviceDoc/SparX-5_Family_L2L3_Enterprise_10G_Ethernet_Switches_Datasheet_00003822B.pdf
  10. */
  11. #include <linux/printk.h>
  12. #include <linux/module.h>
  13. #include <linux/device.h>
  14. #include <linux/netdevice.h>
  15. #include <linux/platform_device.h>
  16. #include <linux/of.h>
  17. #include <linux/io.h>
  18. #include <linux/clk.h>
  19. #include <linux/phy.h>
  20. #include <linux/phy/phy.h>
  21. #include "sparx5_serdes.h"
  22. #define SPX5_SERDES_10G_START 13
  23. #define SPX5_SERDES_25G_START 25
  24. #define SPX5_SERDES_6G10G_CNT SPX5_SERDES_25G_START
  25. #define LAN969X_SERDES_10G_CNT 10
  26. /* Optimal power settings from GUC */
  27. #define SPX5_SERDES_QUIET_MODE_VAL 0x01ef4e0c
  28. /* Register target sizes */
  29. const unsigned int sparx5_serdes_tsize[TSIZE_LAST] = {
  30. [TC_SD10G_LANE] = 12,
  31. [TC_SD_CMU] = 14,
  32. [TC_SD_CMU_CFG] = 14,
  33. [TC_SD_LANE] = 25,
  34. };
  35. const unsigned int lan969x_serdes_tsize[TSIZE_LAST] = {
  36. [TC_SD10G_LANE] = 10,
  37. [TC_SD_CMU] = 6,
  38. [TC_SD_CMU_CFG] = 6,
  39. [TC_SD_LANE] = 10,
  40. };
  41. /* Pointer to the register target size table */
  42. const unsigned int *tsize;
  43. enum sparx5_sd25g28_mode_preset_type {
  44. SPX5_SD25G28_MODE_PRESET_25000,
  45. SPX5_SD25G28_MODE_PRESET_10000,
  46. SPX5_SD25G28_MODE_PRESET_5000,
  47. SPX5_SD25G28_MODE_PRESET_SD_2G5,
  48. SPX5_SD25G28_MODE_PRESET_1000BASEX,
  49. };
  50. enum sparx5_sd10g28_mode_preset_type {
  51. SPX5_SD10G28_MODE_PRESET_10000,
  52. SPX5_SD10G28_MODE_PRESET_SFI_5000_6G,
  53. SPX5_SD10G28_MODE_PRESET_SFI_5000_10G,
  54. SPX5_SD10G28_MODE_PRESET_QSGMII,
  55. SPX5_SD10G28_MODE_PRESET_SD_2G5,
  56. SPX5_SD10G28_MODE_PRESET_1000BASEX,
  57. };
  58. struct sparx5_serdes_io_resource {
  59. enum sparx5_serdes_target id;
  60. phys_addr_t offset;
  61. };
  62. struct sparx5_sd25g28_mode_preset {
  63. u8 bitwidth;
  64. u8 tx_pre_div;
  65. u8 fifo_ck_div;
  66. u8 pre_divsel;
  67. u8 vco_div_mode;
  68. u8 sel_div;
  69. u8 ck_bitwidth;
  70. u8 subrate;
  71. u8 com_txcal_en;
  72. u8 com_tx_reserve_msb;
  73. u8 com_tx_reserve_lsb;
  74. u8 cfg_itx_ipcml_base;
  75. u8 tx_reserve_lsb;
  76. u8 tx_reserve_msb;
  77. u8 bw;
  78. u8 rxterm;
  79. u8 dfe_tap;
  80. u8 dfe_enable;
  81. bool txmargin;
  82. u8 cfg_ctle_rstn;
  83. u8 r_dfe_rstn;
  84. u8 cfg_pi_bw_3_0;
  85. u8 tx_tap_dly;
  86. u8 tx_tap_adv;
  87. };
  88. struct sparx5_sd25g28_media_preset {
  89. u8 cfg_eq_c_force_3_0;
  90. u8 cfg_vga_ctrl_byp_4_0;
  91. u8 cfg_eq_r_force_3_0;
  92. u8 cfg_en_adv;
  93. u8 cfg_en_main;
  94. u8 cfg_en_dly;
  95. u8 cfg_tap_adv_3_0;
  96. u8 cfg_tap_main;
  97. u8 cfg_tap_dly_4_0;
  98. u8 cfg_alos_thr_2_0;
  99. };
  100. struct sparx5_sd25g28_args {
  101. u8 if_width; /* UDL if-width: 10/16/20/32/64 */
  102. bool skip_cmu_cfg:1; /* Enable/disable CMU cfg */
  103. enum sparx5_10g28cmu_mode cmu_sel; /* Device/Mode serdes uses */
  104. bool no_pwrcycle:1; /* Omit initial power-cycle */
  105. bool txinvert:1; /* Enable inversion of output data */
  106. bool rxinvert:1; /* Enable inversion of input data */
  107. u16 txswing; /* Set output level */
  108. u8 rate; /* Rate of network interface */
  109. u8 pi_bw_gen1;
  110. u8 duty_cycle; /* Set output level to half/full */
  111. bool mute:1; /* Mute Output Buffer */
  112. bool reg_rst:1;
  113. u8 com_pll_reserve;
  114. };
  115. struct sparx5_sd25g28_params {
  116. u8 reg_rst;
  117. u8 cfg_jc_byp;
  118. u8 cfg_common_reserve_7_0;
  119. u8 r_reg_manual;
  120. u8 r_d_width_ctrl_from_hwt;
  121. u8 r_d_width_ctrl_2_0;
  122. u8 r_txfifo_ck_div_pmad_2_0;
  123. u8 r_rxfifo_ck_div_pmad_2_0;
  124. u8 cfg_pll_lol_set;
  125. u8 cfg_vco_div_mode_1_0;
  126. u8 cfg_pre_divsel_1_0;
  127. u8 cfg_sel_div_3_0;
  128. u8 cfg_vco_start_code_3_0;
  129. u8 cfg_pma_tx_ck_bitwidth_2_0;
  130. u8 cfg_tx_prediv_1_0;
  131. u8 cfg_rxdiv_sel_2_0;
  132. u8 cfg_tx_subrate_2_0;
  133. u8 cfg_rx_subrate_2_0;
  134. u8 r_multi_lane_mode;
  135. u8 cfg_cdrck_en;
  136. u8 cfg_dfeck_en;
  137. u8 cfg_dfe_pd;
  138. u8 cfg_dfedmx_pd;
  139. u8 cfg_dfetap_en_5_1;
  140. u8 cfg_dmux_pd;
  141. u8 cfg_dmux_clk_pd;
  142. u8 cfg_erramp_pd;
  143. u8 cfg_pi_dfe_en;
  144. u8 cfg_pi_en;
  145. u8 cfg_pd_ctle;
  146. u8 cfg_summer_en;
  147. u8 cfg_pmad_ck_pd;
  148. u8 cfg_pd_clk;
  149. u8 cfg_pd_cml;
  150. u8 cfg_pd_driver;
  151. u8 cfg_rx_reg_pu;
  152. u8 cfg_pd_rms_det;
  153. u8 cfg_dcdr_pd;
  154. u8 cfg_ecdr_pd;
  155. u8 cfg_pd_sq;
  156. u8 cfg_itx_ipdriver_base_2_0;
  157. u8 cfg_tap_dly_4_0;
  158. u8 cfg_tap_main;
  159. u8 cfg_en_main;
  160. u8 cfg_tap_adv_3_0;
  161. u8 cfg_en_adv;
  162. u8 cfg_en_dly;
  163. u8 cfg_iscan_en;
  164. u8 l1_pcs_en_fast_iscan;
  165. u8 l0_cfg_bw_1_0;
  166. u8 l0_cfg_txcal_en;
  167. u8 cfg_en_dummy;
  168. u8 cfg_pll_reserve_3_0;
  169. u8 l0_cfg_tx_reserve_15_8;
  170. u8 l0_cfg_tx_reserve_7_0;
  171. u8 cfg_tx_reserve_15_8;
  172. u8 cfg_tx_reserve_7_0;
  173. u8 cfg_bw_1_0;
  174. u8 cfg_txcal_man_en;
  175. u8 cfg_phase_man_4_0;
  176. u8 cfg_quad_man_1_0;
  177. u8 cfg_txcal_shift_code_5_0;
  178. u8 cfg_txcal_valid_sel_3_0;
  179. u8 cfg_txcal_en;
  180. u8 cfg_cdr_kf_2_0;
  181. u8 cfg_cdr_m_7_0;
  182. u8 cfg_pi_bw_3_0;
  183. u8 cfg_pi_steps_1_0;
  184. u8 cfg_dis_2ndorder;
  185. u8 cfg_ctle_rstn;
  186. u8 r_dfe_rstn;
  187. u8 cfg_alos_thr_2_0;
  188. u8 cfg_itx_ipcml_base_1_0;
  189. u8 cfg_rx_reserve_7_0;
  190. u8 cfg_rx_reserve_15_8;
  191. u8 cfg_rxterm_2_0;
  192. u8 cfg_fom_selm;
  193. u8 cfg_rx_sp_ctle_1_0;
  194. u8 cfg_isel_ctle_1_0;
  195. u8 cfg_vga_ctrl_byp_4_0;
  196. u8 cfg_vga_byp;
  197. u8 cfg_agc_adpt_byp;
  198. u8 cfg_eqr_byp;
  199. u8 cfg_eqr_force_3_0;
  200. u8 cfg_eqc_force_3_0;
  201. u8 cfg_sum_setcm_en;
  202. u8 cfg_init_pos_iscan_6_0;
  203. u8 cfg_init_pos_ipi_6_0;
  204. u8 cfg_dfedig_m_2_0;
  205. u8 cfg_en_dfedig;
  206. u8 cfg_pi_DFE_en;
  207. u8 cfg_tx2rx_lp_en;
  208. u8 cfg_txlb_en;
  209. u8 cfg_rx2tx_lp_en;
  210. u8 cfg_rxlb_en;
  211. u8 r_tx_pol_inv;
  212. u8 r_rx_pol_inv;
  213. };
  214. struct sparx5_sd10g28_media_preset {
  215. u8 cfg_en_adv;
  216. u8 cfg_en_main;
  217. u8 cfg_en_dly;
  218. u8 cfg_tap_adv_3_0;
  219. u8 cfg_tap_main;
  220. u8 cfg_tap_dly_4_0;
  221. u8 cfg_vga_ctrl_3_0;
  222. u8 cfg_vga_cp_2_0;
  223. u8 cfg_eq_res_3_0;
  224. u8 cfg_eq_r_byp;
  225. u8 cfg_eq_c_force_3_0;
  226. u8 cfg_alos_thr_3_0;
  227. };
  228. struct sparx5_sd10g28_mode_preset {
  229. u8 bwidth; /* interface width: 10/16/20/32/64 */
  230. enum sparx5_10g28cmu_mode cmu_sel; /* Device/Mode serdes uses */
  231. u8 rate; /* Rate of network interface */
  232. u8 dfe_tap;
  233. u8 dfe_enable;
  234. u8 pi_bw_gen1;
  235. u8 duty_cycle; /* Set output level to half/full */
  236. };
  237. struct sparx5_sd10g28_args {
  238. bool skip_cmu_cfg:1; /* Enable/disable CMU cfg */
  239. bool no_pwrcycle:1; /* Omit initial power-cycle */
  240. bool txinvert:1; /* Enable inversion of output data */
  241. bool rxinvert:1; /* Enable inversion of input data */
  242. bool txmargin:1; /* Set output level to half/full */
  243. u16 txswing; /* Set output level */
  244. bool mute:1; /* Mute Output Buffer */
  245. bool is_6g:1;
  246. bool reg_rst:1;
  247. };
  248. struct sparx5_sd10g28_params {
  249. u8 cmu_sel;
  250. u8 is_6g;
  251. u8 skip_cmu_cfg;
  252. u8 cfg_lane_reserve_7_0;
  253. u8 cfg_ssc_rtl_clk_sel;
  254. u8 cfg_lane_reserve_15_8;
  255. u8 cfg_txrate_1_0;
  256. u8 cfg_rxrate_1_0;
  257. u8 r_d_width_ctrl_2_0;
  258. u8 cfg_pma_tx_ck_bitwidth_2_0;
  259. u8 cfg_rxdiv_sel_2_0;
  260. u8 r_pcs2pma_phymode_4_0;
  261. u8 cfg_lane_id_2_0;
  262. u8 cfg_cdrck_en;
  263. u8 cfg_dfeck_en;
  264. u8 cfg_dfe_pd;
  265. u8 cfg_dfetap_en_5_1;
  266. u8 cfg_erramp_pd;
  267. u8 cfg_pi_DFE_en;
  268. u8 cfg_pi_en;
  269. u8 cfg_pd_ctle;
  270. u8 cfg_summer_en;
  271. u8 cfg_pd_rx_cktree;
  272. u8 cfg_pd_clk;
  273. u8 cfg_pd_cml;
  274. u8 cfg_pd_driver;
  275. u8 cfg_rx_reg_pu;
  276. u8 cfg_d_cdr_pd;
  277. u8 cfg_pd_sq;
  278. u8 cfg_rxdet_en;
  279. u8 cfg_rxdet_str;
  280. u8 r_multi_lane_mode;
  281. u8 cfg_en_adv;
  282. u8 cfg_en_main;
  283. u8 cfg_en_dly;
  284. u8 cfg_tap_adv_3_0;
  285. u8 cfg_tap_main;
  286. u8 cfg_tap_dly_4_0;
  287. u8 cfg_vga_ctrl_3_0;
  288. u8 cfg_vga_cp_2_0;
  289. u8 cfg_eq_res_3_0;
  290. u8 cfg_eq_r_byp;
  291. u8 cfg_eq_c_force_3_0;
  292. u8 cfg_en_dfedig;
  293. u8 cfg_sum_setcm_en;
  294. u8 cfg_en_preemph;
  295. u8 cfg_itx_ippreemp_base_1_0;
  296. u8 cfg_itx_ipdriver_base_2_0;
  297. u8 cfg_ibias_tune_reserve_5_0;
  298. u8 cfg_txswing_half;
  299. u8 cfg_dis_2nd_order;
  300. u8 cfg_rx_ssc_lh;
  301. u8 cfg_pi_floop_steps_1_0;
  302. u8 cfg_pi_ext_dac_23_16;
  303. u8 cfg_pi_ext_dac_15_8;
  304. u8 cfg_iscan_ext_dac_7_0;
  305. u8 cfg_cdr_kf_gen1_2_0;
  306. u8 cfg_cdr_kf_gen2_2_0;
  307. u8 cfg_cdr_kf_gen3_2_0;
  308. u8 cfg_cdr_kf_gen4_2_0;
  309. u8 r_cdr_m_gen1_7_0;
  310. u8 cfg_pi_bw_gen1_3_0;
  311. u8 cfg_pi_bw_gen2;
  312. u8 cfg_pi_bw_gen3;
  313. u8 cfg_pi_bw_gen4;
  314. u8 cfg_pi_ext_dac_7_0;
  315. u8 cfg_pi_steps;
  316. u8 cfg_mp_max_3_0;
  317. u8 cfg_rstn_dfedig;
  318. u8 cfg_alos_thr_3_0;
  319. u8 cfg_predrv_slewrate_1_0;
  320. u8 cfg_itx_ipcml_base_1_0;
  321. u8 cfg_ip_pre_base_1_0;
  322. u8 r_cdr_m_gen2_7_0;
  323. u8 r_cdr_m_gen3_7_0;
  324. u8 r_cdr_m_gen4_7_0;
  325. u8 r_en_auto_cdr_rstn;
  326. u8 cfg_oscal_afe;
  327. u8 cfg_pd_osdac_afe;
  328. u8 cfg_resetb_oscal_afe[2];
  329. u8 cfg_center_spreading;
  330. u8 cfg_m_cnt_maxval_4_0;
  331. u8 cfg_ncnt_maxval_7_0;
  332. u8 cfg_ncnt_maxval_10_8;
  333. u8 cfg_ssc_en;
  334. u8 cfg_tx2rx_lp_en;
  335. u8 cfg_txlb_en;
  336. u8 cfg_rx2tx_lp_en;
  337. u8 cfg_rxlb_en;
  338. u8 r_tx_pol_inv;
  339. u8 r_rx_pol_inv;
  340. u8 fx_100;
  341. };
  342. static struct sparx5_sd25g28_media_preset media_presets_25g[] = {
  343. { /* ETH_MEDIA_DEFAULT */
  344. .cfg_en_adv = 0,
  345. .cfg_en_main = 1,
  346. .cfg_en_dly = 0,
  347. .cfg_tap_adv_3_0 = 0,
  348. .cfg_tap_main = 1,
  349. .cfg_tap_dly_4_0 = 0,
  350. .cfg_eq_c_force_3_0 = 0xf,
  351. .cfg_vga_ctrl_byp_4_0 = 4,
  352. .cfg_eq_r_force_3_0 = 12,
  353. .cfg_alos_thr_2_0 = 7,
  354. },
  355. { /* ETH_MEDIA_SR */
  356. .cfg_en_adv = 1,
  357. .cfg_en_main = 1,
  358. .cfg_en_dly = 1,
  359. .cfg_tap_adv_3_0 = 0,
  360. .cfg_tap_main = 1,
  361. .cfg_tap_dly_4_0 = 0x10,
  362. .cfg_eq_c_force_3_0 = 0xf,
  363. .cfg_vga_ctrl_byp_4_0 = 8,
  364. .cfg_eq_r_force_3_0 = 4,
  365. .cfg_alos_thr_2_0 = 0,
  366. },
  367. { /* ETH_MEDIA_DAC */
  368. .cfg_en_adv = 0,
  369. .cfg_en_main = 1,
  370. .cfg_en_dly = 0,
  371. .cfg_tap_adv_3_0 = 0,
  372. .cfg_tap_main = 1,
  373. .cfg_tap_dly_4_0 = 0,
  374. .cfg_eq_c_force_3_0 = 0xf,
  375. .cfg_vga_ctrl_byp_4_0 = 8,
  376. .cfg_eq_r_force_3_0 = 0xc,
  377. .cfg_alos_thr_2_0 = 0,
  378. },
  379. };
  380. static struct sparx5_sd25g28_mode_preset mode_presets_25g[] = {
  381. { /* SPX5_SD25G28_MODE_PRESET_25000 */
  382. .bitwidth = 40,
  383. .tx_pre_div = 0,
  384. .fifo_ck_div = 0,
  385. .pre_divsel = 1,
  386. .vco_div_mode = 0,
  387. .sel_div = 15,
  388. .ck_bitwidth = 3,
  389. .subrate = 0,
  390. .com_txcal_en = 0,
  391. .com_tx_reserve_msb = (0x26 << 1),
  392. .com_tx_reserve_lsb = 0xf0,
  393. .cfg_itx_ipcml_base = 0,
  394. .tx_reserve_msb = 0xcc,
  395. .tx_reserve_lsb = 0xfe,
  396. .bw = 3,
  397. .rxterm = 0,
  398. .dfe_enable = 1,
  399. .dfe_tap = 0x1f,
  400. .txmargin = 1,
  401. .cfg_ctle_rstn = 1,
  402. .r_dfe_rstn = 1,
  403. .cfg_pi_bw_3_0 = 0,
  404. .tx_tap_dly = 8,
  405. .tx_tap_adv = 0xc,
  406. },
  407. { /* SPX5_SD25G28_MODE_PRESET_10000 */
  408. .bitwidth = 64,
  409. .tx_pre_div = 0,
  410. .fifo_ck_div = 2,
  411. .pre_divsel = 0,
  412. .vco_div_mode = 1,
  413. .sel_div = 9,
  414. .ck_bitwidth = 0,
  415. .subrate = 0,
  416. .com_txcal_en = 1,
  417. .com_tx_reserve_msb = (0x20 << 1),
  418. .com_tx_reserve_lsb = 0x40,
  419. .cfg_itx_ipcml_base = 0,
  420. .tx_reserve_msb = 0x4c,
  421. .tx_reserve_lsb = 0x44,
  422. .bw = 3,
  423. .cfg_pi_bw_3_0 = 0,
  424. .rxterm = 3,
  425. .dfe_enable = 1,
  426. .dfe_tap = 0x1f,
  427. .txmargin = 0,
  428. .cfg_ctle_rstn = 1,
  429. .r_dfe_rstn = 1,
  430. .tx_tap_dly = 0,
  431. .tx_tap_adv = 0,
  432. },
  433. { /* SPX5_SD25G28_MODE_PRESET_5000 */
  434. .bitwidth = 64,
  435. .tx_pre_div = 0,
  436. .fifo_ck_div = 2,
  437. .pre_divsel = 0,
  438. .vco_div_mode = 2,
  439. .sel_div = 9,
  440. .ck_bitwidth = 0,
  441. .subrate = 0,
  442. .com_txcal_en = 1,
  443. .com_tx_reserve_msb = (0x20 << 1),
  444. .com_tx_reserve_lsb = 0,
  445. .cfg_itx_ipcml_base = 0,
  446. .tx_reserve_msb = 0xe,
  447. .tx_reserve_lsb = 0x80,
  448. .bw = 0,
  449. .rxterm = 0,
  450. .cfg_pi_bw_3_0 = 6,
  451. .dfe_enable = 0,
  452. .dfe_tap = 0,
  453. .tx_tap_dly = 0,
  454. .tx_tap_adv = 0,
  455. },
  456. { /* SPX5_SD25G28_MODE_PRESET_SD_2G5 */
  457. .bitwidth = 10,
  458. .tx_pre_div = 0,
  459. .fifo_ck_div = 0,
  460. .pre_divsel = 0,
  461. .vco_div_mode = 1,
  462. .sel_div = 6,
  463. .ck_bitwidth = 3,
  464. .subrate = 2,
  465. .com_txcal_en = 1,
  466. .com_tx_reserve_msb = (0x26 << 1),
  467. .com_tx_reserve_lsb = (0xf << 4),
  468. .cfg_itx_ipcml_base = 2,
  469. .tx_reserve_msb = 0x8,
  470. .tx_reserve_lsb = 0x8a,
  471. .bw = 0,
  472. .cfg_pi_bw_3_0 = 0,
  473. .rxterm = (1 << 2),
  474. .dfe_enable = 0,
  475. .dfe_tap = 0,
  476. .tx_tap_dly = 0,
  477. .tx_tap_adv = 0,
  478. },
  479. { /* SPX5_SD25G28_MODE_PRESET_1000BASEX */
  480. .bitwidth = 10,
  481. .tx_pre_div = 0,
  482. .fifo_ck_div = 1,
  483. .pre_divsel = 0,
  484. .vco_div_mode = 1,
  485. .sel_div = 8,
  486. .ck_bitwidth = 3,
  487. .subrate = 3,
  488. .com_txcal_en = 1,
  489. .com_tx_reserve_msb = (0x26 << 1),
  490. .com_tx_reserve_lsb = 0xf0,
  491. .cfg_itx_ipcml_base = 0,
  492. .tx_reserve_msb = 0x8,
  493. .tx_reserve_lsb = 0xce,
  494. .bw = 0,
  495. .rxterm = 0,
  496. .cfg_pi_bw_3_0 = 0,
  497. .dfe_enable = 0,
  498. .dfe_tap = 0,
  499. .tx_tap_dly = 0,
  500. .tx_tap_adv = 0,
  501. },
  502. };
  503. static struct sparx5_sd10g28_media_preset media_presets_10g[] = {
  504. { /* ETH_MEDIA_DEFAULT */
  505. .cfg_en_adv = 0,
  506. .cfg_en_main = 1,
  507. .cfg_en_dly = 0,
  508. .cfg_tap_adv_3_0 = 0,
  509. .cfg_tap_main = 1,
  510. .cfg_tap_dly_4_0 = 0,
  511. .cfg_vga_ctrl_3_0 = 5,
  512. .cfg_vga_cp_2_0 = 0,
  513. .cfg_eq_res_3_0 = 0xa,
  514. .cfg_eq_r_byp = 1,
  515. .cfg_eq_c_force_3_0 = 0x8,
  516. .cfg_alos_thr_3_0 = 0x3,
  517. },
  518. { /* ETH_MEDIA_SR */
  519. .cfg_en_adv = 1,
  520. .cfg_en_main = 1,
  521. .cfg_en_dly = 1,
  522. .cfg_tap_adv_3_0 = 0,
  523. .cfg_tap_main = 1,
  524. .cfg_tap_dly_4_0 = 0xc,
  525. .cfg_vga_ctrl_3_0 = 0xa,
  526. .cfg_vga_cp_2_0 = 0x4,
  527. .cfg_eq_res_3_0 = 0xa,
  528. .cfg_eq_r_byp = 1,
  529. .cfg_eq_c_force_3_0 = 0xF,
  530. .cfg_alos_thr_3_0 = 0x3,
  531. },
  532. { /* ETH_MEDIA_DAC */
  533. .cfg_en_adv = 1,
  534. .cfg_en_main = 1,
  535. .cfg_en_dly = 1,
  536. .cfg_tap_adv_3_0 = 12,
  537. .cfg_tap_main = 1,
  538. .cfg_tap_dly_4_0 = 8,
  539. .cfg_vga_ctrl_3_0 = 0xa,
  540. .cfg_vga_cp_2_0 = 4,
  541. .cfg_eq_res_3_0 = 0xa,
  542. .cfg_eq_r_byp = 1,
  543. .cfg_eq_c_force_3_0 = 0xf,
  544. .cfg_alos_thr_3_0 = 0x0,
  545. }
  546. };
  547. static struct sparx5_sd10g28_mode_preset mode_presets_10g[] = {
  548. { /* SPX5_SD10G28_MODE_PRESET_10000 */
  549. .bwidth = 64,
  550. .cmu_sel = SPX5_SD10G28_CMU_MAIN,
  551. .rate = 0x0,
  552. .dfe_enable = 1,
  553. .dfe_tap = 0x1f,
  554. .pi_bw_gen1 = 0x0,
  555. .duty_cycle = 0x2,
  556. },
  557. { /* SPX5_SD10G28_MODE_PRESET_SFI_5000_6G */
  558. .bwidth = 16,
  559. .cmu_sel = SPX5_SD10G28_CMU_MAIN,
  560. .rate = 0x1,
  561. .dfe_enable = 0,
  562. .dfe_tap = 0,
  563. .pi_bw_gen1 = 0x5,
  564. .duty_cycle = 0x0,
  565. },
  566. { /* SPX5_SD10G28_MODE_PRESET_SFI_5000_10G */
  567. .bwidth = 64,
  568. .cmu_sel = SPX5_SD10G28_CMU_MAIN,
  569. .rate = 0x1,
  570. .dfe_enable = 0,
  571. .dfe_tap = 0,
  572. .pi_bw_gen1 = 0x5,
  573. .duty_cycle = 0x0,
  574. },
  575. { /* SPX5_SD10G28_MODE_PRESET_QSGMII */
  576. .bwidth = 20,
  577. .cmu_sel = SPX5_SD10G28_CMU_AUX1,
  578. .rate = 0x1,
  579. .dfe_enable = 0,
  580. .dfe_tap = 0,
  581. .pi_bw_gen1 = 0x5,
  582. .duty_cycle = 0x0,
  583. },
  584. { /* SPX5_SD10G28_MODE_PRESET_SD_2G5 */
  585. .bwidth = 10,
  586. .cmu_sel = SPX5_SD10G28_CMU_AUX2,
  587. .rate = 0x2,
  588. .dfe_enable = 0,
  589. .dfe_tap = 0,
  590. .pi_bw_gen1 = 0x7,
  591. .duty_cycle = 0x0,
  592. },
  593. { /* SPX5_SD10G28_MODE_PRESET_1000BASEX */
  594. .bwidth = 10,
  595. .cmu_sel = SPX5_SD10G28_CMU_AUX1,
  596. .rate = 0x3,
  597. .dfe_enable = 0,
  598. .dfe_tap = 0,
  599. .pi_bw_gen1 = 0x7,
  600. .duty_cycle = 0x0,
  601. },
  602. };
  603. /* map from SD25G28 interface width to configuration value */
  604. static u8 sd25g28_get_iw_setting(struct device *dev, const u8 interface_width)
  605. {
  606. switch (interface_width) {
  607. case 10: return 0;
  608. case 16: return 1;
  609. case 32: return 3;
  610. case 40: return 4;
  611. case 64: return 5;
  612. default:
  613. dev_err(dev, "%s: Illegal value %d for interface width\n",
  614. __func__, interface_width);
  615. }
  616. return 0;
  617. }
  618. /* map from SD10G28 interface width to configuration value */
  619. static u8 sd10g28_get_iw_setting(struct device *dev, const u8 interface_width)
  620. {
  621. switch (interface_width) {
  622. case 10: return 0;
  623. case 16: return 1;
  624. case 20: return 2;
  625. case 32: return 3;
  626. case 40: return 4;
  627. case 64: return 7;
  628. default:
  629. dev_err(dev, "%s: Illegal value %d for interface width\n", __func__,
  630. interface_width);
  631. return 0;
  632. }
  633. }
  634. static int sparx5_sd10g25_get_mode_preset(struct sparx5_serdes_macro *macro,
  635. struct sparx5_sd25g28_mode_preset *mode)
  636. {
  637. switch (macro->serdesmode) {
  638. case SPX5_SD_MODE_SFI:
  639. if (macro->speed == SPEED_25000)
  640. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_25000];
  641. else if (macro->speed == SPEED_10000)
  642. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_10000];
  643. else if (macro->speed == SPEED_5000)
  644. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_5000];
  645. break;
  646. case SPX5_SD_MODE_2G5:
  647. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_SD_2G5];
  648. break;
  649. case SPX5_SD_MODE_1000BASEX:
  650. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_1000BASEX];
  651. break;
  652. case SPX5_SD_MODE_100FX:
  653. /* Not supported */
  654. return -EINVAL;
  655. default:
  656. *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_25000];
  657. break;
  658. }
  659. return 0;
  660. }
  661. static int sparx5_sd10g28_get_mode_preset(struct sparx5_serdes_macro *macro,
  662. struct sparx5_sd10g28_mode_preset *mode,
  663. struct sparx5_sd10g28_args *args)
  664. {
  665. switch (macro->serdesmode) {
  666. case SPX5_SD_MODE_SFI:
  667. if (macro->speed == SPEED_10000) {
  668. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_10000];
  669. } else if (macro->speed == SPEED_5000) {
  670. if (args->is_6g)
  671. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SFI_5000_6G];
  672. else
  673. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SFI_5000_10G];
  674. } else {
  675. dev_err(macro->priv->dev, "%s: Illegal speed: %02u, sidx: %02u, mode (%u)",
  676. __func__, macro->speed, macro->sidx,
  677. macro->serdesmode);
  678. return -EINVAL;
  679. }
  680. break;
  681. case SPX5_SD_MODE_QSGMII:
  682. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_QSGMII];
  683. break;
  684. case SPX5_SD_MODE_2G5:
  685. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SD_2G5];
  686. break;
  687. case SPX5_SD_MODE_100FX:
  688. case SPX5_SD_MODE_1000BASEX:
  689. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_1000BASEX];
  690. break;
  691. default:
  692. *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_10000];
  693. break;
  694. }
  695. return 0;
  696. }
  697. static void sparx5_sd25g28_get_params(struct sparx5_serdes_macro *macro,
  698. struct sparx5_sd25g28_media_preset *media,
  699. struct sparx5_sd25g28_mode_preset *mode,
  700. struct sparx5_sd25g28_args *args,
  701. struct sparx5_sd25g28_params *params)
  702. {
  703. u8 iw = sd25g28_get_iw_setting(macro->priv->dev, mode->bitwidth);
  704. struct sparx5_sd25g28_params init = {
  705. .r_d_width_ctrl_2_0 = iw,
  706. .r_txfifo_ck_div_pmad_2_0 = mode->fifo_ck_div,
  707. .r_rxfifo_ck_div_pmad_2_0 = mode->fifo_ck_div,
  708. .cfg_vco_div_mode_1_0 = mode->vco_div_mode,
  709. .cfg_pre_divsel_1_0 = mode->pre_divsel,
  710. .cfg_sel_div_3_0 = mode->sel_div,
  711. .cfg_vco_start_code_3_0 = 0,
  712. .cfg_pma_tx_ck_bitwidth_2_0 = mode->ck_bitwidth,
  713. .cfg_tx_prediv_1_0 = mode->tx_pre_div,
  714. .cfg_rxdiv_sel_2_0 = mode->ck_bitwidth,
  715. .cfg_tx_subrate_2_0 = mode->subrate,
  716. .cfg_rx_subrate_2_0 = mode->subrate,
  717. .r_multi_lane_mode = 0,
  718. .cfg_cdrck_en = 1,
  719. .cfg_dfeck_en = mode->dfe_enable,
  720. .cfg_dfe_pd = mode->dfe_enable == 1 ? 0 : 1,
  721. .cfg_dfedmx_pd = 1,
  722. .cfg_dfetap_en_5_1 = mode->dfe_tap,
  723. .cfg_dmux_pd = 0,
  724. .cfg_dmux_clk_pd = 1,
  725. .cfg_erramp_pd = mode->dfe_enable == 1 ? 0 : 1,
  726. .cfg_pi_DFE_en = mode->dfe_enable,
  727. .cfg_pi_en = 1,
  728. .cfg_pd_ctle = 0,
  729. .cfg_summer_en = 1,
  730. .cfg_pmad_ck_pd = 0,
  731. .cfg_pd_clk = 0,
  732. .cfg_pd_cml = 0,
  733. .cfg_pd_driver = 0,
  734. .cfg_rx_reg_pu = 1,
  735. .cfg_pd_rms_det = 1,
  736. .cfg_dcdr_pd = 0,
  737. .cfg_ecdr_pd = 1,
  738. .cfg_pd_sq = 1,
  739. .cfg_itx_ipdriver_base_2_0 = mode->txmargin,
  740. .cfg_tap_dly_4_0 = media->cfg_tap_dly_4_0,
  741. .cfg_tap_main = media->cfg_tap_main,
  742. .cfg_en_main = media->cfg_en_main,
  743. .cfg_tap_adv_3_0 = media->cfg_tap_adv_3_0,
  744. .cfg_en_adv = media->cfg_en_adv,
  745. .cfg_en_dly = media->cfg_en_dly,
  746. .cfg_iscan_en = 0,
  747. .l1_pcs_en_fast_iscan = 0,
  748. .l0_cfg_bw_1_0 = 0,
  749. .cfg_en_dummy = 0,
  750. .cfg_pll_reserve_3_0 = args->com_pll_reserve,
  751. .l0_cfg_txcal_en = mode->com_txcal_en,
  752. .l0_cfg_tx_reserve_15_8 = mode->com_tx_reserve_msb,
  753. .l0_cfg_tx_reserve_7_0 = mode->com_tx_reserve_lsb,
  754. .cfg_tx_reserve_15_8 = mode->tx_reserve_msb,
  755. .cfg_tx_reserve_7_0 = mode->tx_reserve_lsb,
  756. .cfg_bw_1_0 = mode->bw,
  757. .cfg_txcal_man_en = 1,
  758. .cfg_phase_man_4_0 = 0,
  759. .cfg_quad_man_1_0 = 0,
  760. .cfg_txcal_shift_code_5_0 = 2,
  761. .cfg_txcal_valid_sel_3_0 = 4,
  762. .cfg_txcal_en = 0,
  763. .cfg_cdr_kf_2_0 = 1,
  764. .cfg_cdr_m_7_0 = 6,
  765. .cfg_pi_bw_3_0 = mode->cfg_pi_bw_3_0,
  766. .cfg_pi_steps_1_0 = 0,
  767. .cfg_dis_2ndorder = 1,
  768. .cfg_ctle_rstn = mode->cfg_ctle_rstn,
  769. .r_dfe_rstn = mode->r_dfe_rstn,
  770. .cfg_alos_thr_2_0 = media->cfg_alos_thr_2_0,
  771. .cfg_itx_ipcml_base_1_0 = mode->cfg_itx_ipcml_base,
  772. .cfg_rx_reserve_7_0 = 0xbf,
  773. .cfg_rx_reserve_15_8 = 0x61,
  774. .cfg_rxterm_2_0 = mode->rxterm,
  775. .cfg_fom_selm = 0,
  776. .cfg_rx_sp_ctle_1_0 = 0,
  777. .cfg_isel_ctle_1_0 = 0,
  778. .cfg_vga_ctrl_byp_4_0 = media->cfg_vga_ctrl_byp_4_0,
  779. .cfg_vga_byp = 1,
  780. .cfg_agc_adpt_byp = 1,
  781. .cfg_eqr_byp = 1,
  782. .cfg_eqr_force_3_0 = media->cfg_eq_r_force_3_0,
  783. .cfg_eqc_force_3_0 = media->cfg_eq_c_force_3_0,
  784. .cfg_sum_setcm_en = 1,
  785. .cfg_pi_dfe_en = 1,
  786. .cfg_init_pos_iscan_6_0 = 6,
  787. .cfg_init_pos_ipi_6_0 = 9,
  788. .cfg_dfedig_m_2_0 = 6,
  789. .cfg_en_dfedig = mode->dfe_enable,
  790. .r_d_width_ctrl_from_hwt = 0,
  791. .r_reg_manual = 1,
  792. .reg_rst = args->reg_rst,
  793. .cfg_jc_byp = 1,
  794. .cfg_common_reserve_7_0 = 1,
  795. .cfg_pll_lol_set = 1,
  796. .cfg_tx2rx_lp_en = 0,
  797. .cfg_txlb_en = 0,
  798. .cfg_rx2tx_lp_en = 0,
  799. .cfg_rxlb_en = 0,
  800. .r_tx_pol_inv = args->txinvert,
  801. .r_rx_pol_inv = args->rxinvert,
  802. };
  803. *params = init;
  804. }
  805. static void sparx5_sd10g28_get_params(struct sparx5_serdes_macro *macro,
  806. struct sparx5_sd10g28_media_preset *media,
  807. struct sparx5_sd10g28_mode_preset *mode,
  808. struct sparx5_sd10g28_args *args,
  809. struct sparx5_sd10g28_params *params)
  810. {
  811. u8 iw = sd10g28_get_iw_setting(macro->priv->dev, mode->bwidth);
  812. struct sparx5_sd10g28_params init = {
  813. .skip_cmu_cfg = args->skip_cmu_cfg,
  814. .is_6g = args->is_6g,
  815. .cmu_sel = mode->cmu_sel,
  816. .cfg_lane_reserve_7_0 = (mode->cmu_sel % 2) << 6,
  817. .cfg_ssc_rtl_clk_sel = (mode->cmu_sel / 2),
  818. .cfg_lane_reserve_15_8 = mode->duty_cycle,
  819. .cfg_txrate_1_0 = mode->rate,
  820. .cfg_rxrate_1_0 = mode->rate,
  821. .fx_100 = macro->serdesmode == SPX5_SD_MODE_100FX,
  822. .r_d_width_ctrl_2_0 = iw,
  823. .cfg_pma_tx_ck_bitwidth_2_0 = iw,
  824. .cfg_rxdiv_sel_2_0 = iw,
  825. .r_pcs2pma_phymode_4_0 = 0,
  826. .cfg_lane_id_2_0 = 0,
  827. .cfg_cdrck_en = 1,
  828. .cfg_dfeck_en = mode->dfe_enable,
  829. .cfg_dfe_pd = (mode->dfe_enable == 1) ? 0 : 1,
  830. .cfg_dfetap_en_5_1 = mode->dfe_tap,
  831. .cfg_erramp_pd = (mode->dfe_enable == 1) ? 0 : 1,
  832. .cfg_pi_DFE_en = mode->dfe_enable,
  833. .cfg_pi_en = 1,
  834. .cfg_pd_ctle = 0,
  835. .cfg_summer_en = 1,
  836. .cfg_pd_rx_cktree = 0,
  837. .cfg_pd_clk = 0,
  838. .cfg_pd_cml = 0,
  839. .cfg_pd_driver = 0,
  840. .cfg_rx_reg_pu = 1,
  841. .cfg_d_cdr_pd = 0,
  842. .cfg_pd_sq = mode->dfe_enable,
  843. .cfg_rxdet_en = 0,
  844. .cfg_rxdet_str = 0,
  845. .r_multi_lane_mode = 0,
  846. .cfg_en_adv = media->cfg_en_adv,
  847. .cfg_en_main = 1,
  848. .cfg_en_dly = media->cfg_en_dly,
  849. .cfg_tap_adv_3_0 = media->cfg_tap_adv_3_0,
  850. .cfg_tap_main = media->cfg_tap_main,
  851. .cfg_tap_dly_4_0 = media->cfg_tap_dly_4_0,
  852. .cfg_vga_ctrl_3_0 = media->cfg_vga_ctrl_3_0,
  853. .cfg_vga_cp_2_0 = media->cfg_vga_cp_2_0,
  854. .cfg_eq_res_3_0 = media->cfg_eq_res_3_0,
  855. .cfg_eq_r_byp = media->cfg_eq_r_byp,
  856. .cfg_eq_c_force_3_0 = media->cfg_eq_c_force_3_0,
  857. .cfg_en_dfedig = mode->dfe_enable,
  858. .cfg_sum_setcm_en = 1,
  859. .cfg_en_preemph = 0,
  860. .cfg_itx_ippreemp_base_1_0 = 0,
  861. .cfg_itx_ipdriver_base_2_0 = (args->txswing >> 6),
  862. .cfg_ibias_tune_reserve_5_0 = (args->txswing & 63),
  863. .cfg_txswing_half = (args->txmargin),
  864. .cfg_dis_2nd_order = 0x1,
  865. .cfg_rx_ssc_lh = 0x0,
  866. .cfg_pi_floop_steps_1_0 = 0x0,
  867. .cfg_pi_ext_dac_23_16 = (1 << 5),
  868. .cfg_pi_ext_dac_15_8 = (0 << 6),
  869. .cfg_iscan_ext_dac_7_0 = (1 << 7) + 9,
  870. .cfg_cdr_kf_gen1_2_0 = 1,
  871. .cfg_cdr_kf_gen2_2_0 = 1,
  872. .cfg_cdr_kf_gen3_2_0 = 1,
  873. .cfg_cdr_kf_gen4_2_0 = 1,
  874. .r_cdr_m_gen1_7_0 = 4,
  875. .cfg_pi_bw_gen1_3_0 = mode->pi_bw_gen1,
  876. .cfg_pi_bw_gen2 = mode->pi_bw_gen1,
  877. .cfg_pi_bw_gen3 = mode->pi_bw_gen1,
  878. .cfg_pi_bw_gen4 = mode->pi_bw_gen1,
  879. .cfg_pi_ext_dac_7_0 = 3,
  880. .cfg_pi_steps = 0,
  881. .cfg_mp_max_3_0 = 1,
  882. .cfg_rstn_dfedig = mode->dfe_enable,
  883. .cfg_alos_thr_3_0 = media->cfg_alos_thr_3_0,
  884. .cfg_predrv_slewrate_1_0 = 3,
  885. .cfg_itx_ipcml_base_1_0 = 0,
  886. .cfg_ip_pre_base_1_0 = 0,
  887. .r_cdr_m_gen2_7_0 = 2,
  888. .r_cdr_m_gen3_7_0 = 2,
  889. .r_cdr_m_gen4_7_0 = 2,
  890. .r_en_auto_cdr_rstn = 0,
  891. .cfg_oscal_afe = 1,
  892. .cfg_pd_osdac_afe = 0,
  893. .cfg_resetb_oscal_afe[0] = 0,
  894. .cfg_resetb_oscal_afe[1] = 1,
  895. .cfg_center_spreading = 0,
  896. .cfg_m_cnt_maxval_4_0 = 15,
  897. .cfg_ncnt_maxval_7_0 = 32,
  898. .cfg_ncnt_maxval_10_8 = 6,
  899. .cfg_ssc_en = 1,
  900. .cfg_tx2rx_lp_en = 0,
  901. .cfg_txlb_en = 0,
  902. .cfg_rx2tx_lp_en = 0,
  903. .cfg_rxlb_en = 0,
  904. .r_tx_pol_inv = args->txinvert,
  905. .r_rx_pol_inv = args->rxinvert,
  906. };
  907. *params = init;
  908. }
  909. static int sparx5_cmu_apply_cfg(struct sparx5_serdes_private *priv,
  910. u32 cmu_idx,
  911. void __iomem *cmu_tgt,
  912. void __iomem *cmu_cfg_tgt,
  913. u32 spd10g)
  914. {
  915. void __iomem **regs = priv->regs;
  916. struct device *dev = priv->dev;
  917. int value;
  918. cmu_tgt = sdx5_inst_get(priv, TARGET_SD_CMU, cmu_idx);
  919. cmu_cfg_tgt = sdx5_inst_get(priv, TARGET_SD_CMU_CFG, cmu_idx);
  920. if (cmu_idx == 1 || cmu_idx == 4 || cmu_idx == 7 ||
  921. cmu_idx == 10 || cmu_idx == 13) {
  922. spd10g = 0;
  923. }
  924. sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST_SET(1),
  925. SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST,
  926. cmu_cfg_tgt,
  927. SD_CMU_CFG_SD_CMU_CFG(cmu_idx));
  928. sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST_SET(0),
  929. SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST,
  930. cmu_cfg_tgt,
  931. SD_CMU_CFG_SD_CMU_CFG(cmu_idx));
  932. sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_CMU_RST_SET(1),
  933. SD_CMU_CFG_SD_CMU_CFG_CMU_RST,
  934. cmu_cfg_tgt,
  935. SD_CMU_CFG_SD_CMU_CFG(cmu_idx));
  936. sdx5_inst_rmw(SD_CMU_CMU_45_R_DWIDTHCTRL_FROM_HWT_SET(0x1) |
  937. SD_CMU_CMU_45_R_REFCK_SSC_EN_FROM_HWT_SET(0x1) |
  938. SD_CMU_CMU_45_R_LINK_BUF_EN_FROM_HWT_SET(0x1) |
  939. SD_CMU_CMU_45_R_BIAS_EN_FROM_HWT_SET(0x1) |
  940. SD_CMU_CMU_45_R_EN_RATECHG_CTRL_SET(0x0),
  941. SD_CMU_CMU_45_R_DWIDTHCTRL_FROM_HWT |
  942. SD_CMU_CMU_45_R_REFCK_SSC_EN_FROM_HWT |
  943. SD_CMU_CMU_45_R_LINK_BUF_EN_FROM_HWT |
  944. SD_CMU_CMU_45_R_BIAS_EN_FROM_HWT |
  945. SD_CMU_CMU_45_R_EN_RATECHG_CTRL,
  946. cmu_tgt,
  947. SD_CMU_CMU_45(cmu_idx));
  948. sdx5_inst_rmw(SD_CMU_CMU_47_R_PCS2PMA_PHYMODE_4_0_SET(0),
  949. SD_CMU_CMU_47_R_PCS2PMA_PHYMODE_4_0,
  950. cmu_tgt,
  951. SD_CMU_CMU_47(cmu_idx));
  952. sdx5_inst_rmw(SD_CMU_CMU_1B_CFG_RESERVE_7_0_SET(0),
  953. SD_CMU_CMU_1B_CFG_RESERVE_7_0,
  954. cmu_tgt,
  955. SD_CMU_CMU_1B(cmu_idx));
  956. sdx5_inst_rmw(SD_CMU_CMU_0D_CFG_JC_BYP_SET(0x1),
  957. SD_CMU_CMU_0D_CFG_JC_BYP,
  958. cmu_tgt,
  959. SD_CMU_CMU_0D(cmu_idx));
  960. sdx5_inst_rmw(SD_CMU_CMU_1F_CFG_VTUNE_SEL_SET(1),
  961. SD_CMU_CMU_1F_CFG_VTUNE_SEL,
  962. cmu_tgt,
  963. SD_CMU_CMU_1F(cmu_idx));
  964. sdx5_inst_rmw(SD_CMU_CMU_00_CFG_PLL_TP_SEL_1_0_SET(3),
  965. SD_CMU_CMU_00_CFG_PLL_TP_SEL_1_0,
  966. cmu_tgt,
  967. SD_CMU_CMU_00(cmu_idx));
  968. sdx5_inst_rmw(SD_CMU_CMU_05_CFG_BIAS_TP_SEL_1_0_SET(3),
  969. SD_CMU_CMU_05_CFG_BIAS_TP_SEL_1_0,
  970. cmu_tgt,
  971. SD_CMU_CMU_05(cmu_idx));
  972. sdx5_inst_rmw(SD_CMU_CMU_30_R_PLL_DLOL_EN_SET(1),
  973. SD_CMU_CMU_30_R_PLL_DLOL_EN,
  974. cmu_tgt,
  975. SD_CMU_CMU_30(cmu_idx));
  976. sdx5_inst_rmw(SD_CMU_CMU_09_CFG_SW_10G_SET(spd10g),
  977. SD_CMU_CMU_09_CFG_SW_10G,
  978. cmu_tgt,
  979. SD_CMU_CMU_09(cmu_idx));
  980. sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_CMU_RST_SET(0),
  981. SD_CMU_CFG_SD_CMU_CFG_CMU_RST,
  982. cmu_cfg_tgt,
  983. SD_CMU_CFG_SD_CMU_CFG(cmu_idx));
  984. msleep(20);
  985. sdx5_inst_rmw(SD_CMU_CMU_44_R_PLL_RSTN_SET(0),
  986. SD_CMU_CMU_44_R_PLL_RSTN,
  987. cmu_tgt,
  988. SD_CMU_CMU_44(cmu_idx));
  989. sdx5_inst_rmw(SD_CMU_CMU_44_R_PLL_RSTN_SET(1),
  990. SD_CMU_CMU_44_R_PLL_RSTN,
  991. cmu_tgt,
  992. SD_CMU_CMU_44(cmu_idx));
  993. msleep(20);
  994. value = readl(sdx5_addr(regs, SD_CMU_CMU_E0(cmu_idx)));
  995. value = SD_CMU_CMU_E0_PLL_LOL_UDL_GET(value);
  996. if (value) {
  997. dev_err(dev, "CMU PLL Loss of Lock: 0x%x\n", value);
  998. return -EINVAL;
  999. }
  1000. sdx5_inst_rmw(SD_CMU_CMU_0D_CFG_PMA_TX_CK_PD_SET(0),
  1001. SD_CMU_CMU_0D_CFG_PMA_TX_CK_PD,
  1002. cmu_tgt,
  1003. SD_CMU_CMU_0D(cmu_idx));
  1004. return 0;
  1005. }
  1006. static int sparx5_cmu_cfg(struct sparx5_serdes_private *priv, u32 cmu_idx)
  1007. {
  1008. void __iomem *cmu_tgt, *cmu_cfg_tgt;
  1009. u32 spd10g = 1;
  1010. if (cmu_idx == 1 || cmu_idx == 4 || cmu_idx == 7 ||
  1011. cmu_idx == 10 || cmu_idx == 13) {
  1012. spd10g = 0;
  1013. }
  1014. cmu_tgt = sdx5_inst_get(priv, TARGET_SD_CMU, cmu_idx);
  1015. cmu_cfg_tgt = sdx5_inst_get(priv, TARGET_SD_CMU_CFG, cmu_idx);
  1016. return sparx5_cmu_apply_cfg(priv, cmu_idx, cmu_tgt, cmu_cfg_tgt, spd10g);
  1017. }
  1018. /* Map of 6G/10G serdes mode and index to CMU index. */
  1019. static const int
  1020. sparx5_serdes_cmu_map[SPX5_SD10G28_CMU_MAX][SPX5_SERDES_6G10G_CNT] = {
  1021. [SPX5_SD10G28_CMU_MAIN] = { 2, 2, 2, 2, 2,
  1022. 2, 2, 2, 5, 5,
  1023. 5, 5, 5, 5, 5,
  1024. 5, 8, 11, 11, 11,
  1025. 11, 11, 11, 11, 11 },
  1026. [SPX5_SD10G28_CMU_AUX1] = { 0, 0, 3, 3, 3,
  1027. 3, 3, 3, 3, 3,
  1028. 6, 6, 6, 6, 6,
  1029. 6, 6, 9, 9, 12,
  1030. 12, 12, 12, 12, 12 },
  1031. [SPX5_SD10G28_CMU_AUX2] = { 1, 1, 1, 1, 4,
  1032. 4, 4, 4, 4, 4,
  1033. 4, 4, 7, 7, 7,
  1034. 7, 7, 10, 10, 10,
  1035. 10, 13, 13, 13, 13 },
  1036. [SPX5_SD10G28_CMU_NONE] = { 1, 1, 1, 1, 4,
  1037. 4, 4, 4, 4, 4,
  1038. 4, 4, 7, 7, 7,
  1039. 7, 7, 10, 10, 10,
  1040. 10, 13, 13, 13, 13 },
  1041. };
  1042. /* Get the index of the CMU which provides the clock for the specified serdes
  1043. * mode and index.
  1044. */
  1045. static int sparx5_serdes_cmu_get(enum sparx5_10g28cmu_mode mode, int sd_index)
  1046. {
  1047. return sparx5_serdes_cmu_map[mode][sd_index];
  1048. }
  1049. /* Map of 6G/10G serdes mode and index to CMU index. */
  1050. static const int
  1051. lan969x_serdes_cmu_map[SPX5_SD10G28_CMU_MAX][LAN969X_SERDES_10G_CNT] = {
  1052. [SPX5_SD10G28_CMU_MAIN] = { 2, 2, 2, 2, 2,
  1053. 2, 2, 2, 5, 5 },
  1054. [SPX5_SD10G28_CMU_AUX1] = { 0, 0, 3, 3, 3,
  1055. 3, 3, 3, 3, 3 },
  1056. [SPX5_SD10G28_CMU_AUX2] = { 1, 1, 1, 1, 4,
  1057. 4, 4, 4, 4, 4 },
  1058. [SPX5_SD10G28_CMU_NONE] = { 1, 1, 1, 1, 4,
  1059. 4, 4, 4, 4, 4 },
  1060. };
  1061. static int lan969x_serdes_cmu_get(enum sparx5_10g28cmu_mode mode, int sd_index)
  1062. {
  1063. return lan969x_serdes_cmu_map[mode][sd_index];
  1064. }
  1065. static void sparx5_serdes_cmu_power_off(struct sparx5_serdes_private *priv)
  1066. {
  1067. void __iomem *cmu_inst, *cmu_cfg_inst;
  1068. int i;
  1069. /* Power down each CMU */
  1070. for (i = 0; i < priv->data->consts.cmu_max; i++) {
  1071. cmu_inst = sdx5_inst_get(priv, TARGET_SD_CMU, i);
  1072. cmu_cfg_inst = sdx5_inst_get(priv, TARGET_SD_CMU_CFG, i);
  1073. sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST_SET(0),
  1074. SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST, cmu_cfg_inst,
  1075. SD_CMU_CFG_SD_CMU_CFG(0));
  1076. sdx5_inst_rmw(SD_CMU_CMU_05_CFG_REFCK_TERM_EN_SET(0),
  1077. SD_CMU_CMU_05_CFG_REFCK_TERM_EN, cmu_inst,
  1078. SD_CMU_CMU_05(0));
  1079. sdx5_inst_rmw(SD_CMU_CMU_09_CFG_EN_TX_CK_DN_SET(0),
  1080. SD_CMU_CMU_09_CFG_EN_TX_CK_DN, cmu_inst,
  1081. SD_CMU_CMU_09(0));
  1082. sdx5_inst_rmw(SD_CMU_CMU_06_CFG_VCO_PD_SET(1),
  1083. SD_CMU_CMU_06_CFG_VCO_PD, cmu_inst,
  1084. SD_CMU_CMU_06(0));
  1085. sdx5_inst_rmw(SD_CMU_CMU_09_CFG_EN_TX_CK_UP_SET(0),
  1086. SD_CMU_CMU_09_CFG_EN_TX_CK_UP, cmu_inst,
  1087. SD_CMU_CMU_09(0));
  1088. sdx5_inst_rmw(SD_CMU_CMU_08_CFG_CK_TREE_PD_SET(1),
  1089. SD_CMU_CMU_08_CFG_CK_TREE_PD, cmu_inst,
  1090. SD_CMU_CMU_08(0));
  1091. sdx5_inst_rmw(SD_CMU_CMU_0D_CFG_REFCK_PD_SET(1) |
  1092. SD_CMU_CMU_0D_CFG_PD_DIV64_SET(1) |
  1093. SD_CMU_CMU_0D_CFG_PD_DIV66_SET(1),
  1094. SD_CMU_CMU_0D_CFG_REFCK_PD |
  1095. SD_CMU_CMU_0D_CFG_PD_DIV64 |
  1096. SD_CMU_CMU_0D_CFG_PD_DIV66, cmu_inst,
  1097. SD_CMU_CMU_0D(0));
  1098. sdx5_inst_rmw(SD_CMU_CMU_06_CFG_CTRL_LOGIC_PD_SET(1),
  1099. SD_CMU_CMU_06_CFG_CTRL_LOGIC_PD, cmu_inst,
  1100. SD_CMU_CMU_06(0));
  1101. }
  1102. }
  1103. static void sparx5_sd25g28_reset(void __iomem *regs[],
  1104. struct sparx5_sd25g28_params *params,
  1105. u32 sd_index)
  1106. {
  1107. if (params->reg_rst == 1) {
  1108. sdx5_rmw_addr(SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST_SET(1),
  1109. SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST,
  1110. sdx5_addr(regs, SD_LANE_25G_SD_LANE_CFG(sd_index)));
  1111. usleep_range(1000, 2000);
  1112. sdx5_rmw_addr(SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST_SET(0),
  1113. SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST,
  1114. sdx5_addr(regs, SD_LANE_25G_SD_LANE_CFG(sd_index)));
  1115. }
  1116. }
  1117. static int sparx5_sd25g28_apply_params(struct sparx5_serdes_macro *macro,
  1118. struct sparx5_sd25g28_params *params)
  1119. {
  1120. struct sparx5_serdes_private *priv = macro->priv;
  1121. void __iomem **regs = priv->regs;
  1122. struct device *dev = priv->dev;
  1123. u32 sd_index = macro->stpidx;
  1124. u32 value;
  1125. sdx5_rmw(SD_LANE_25G_SD_LANE_CFG_MACRO_RST_SET(1),
  1126. SD_LANE_25G_SD_LANE_CFG_MACRO_RST,
  1127. priv,
  1128. SD_LANE_25G_SD_LANE_CFG(sd_index));
  1129. sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0xFF),
  1130. SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX,
  1131. priv,
  1132. SD25G_LANE_CMU_FF(sd_index));
  1133. sdx5_rmw(SD25G_LANE_CMU_1A_R_DWIDTHCTRL_FROM_HWT_SET
  1134. (params->r_d_width_ctrl_from_hwt) |
  1135. SD25G_LANE_CMU_1A_R_REG_MANUAL_SET(params->r_reg_manual),
  1136. SD25G_LANE_CMU_1A_R_DWIDTHCTRL_FROM_HWT |
  1137. SD25G_LANE_CMU_1A_R_REG_MANUAL,
  1138. priv,
  1139. SD25G_LANE_CMU_1A(sd_index));
  1140. sdx5_rmw(SD25G_LANE_CMU_31_CFG_COMMON_RESERVE_7_0_SET
  1141. (params->cfg_common_reserve_7_0),
  1142. SD25G_LANE_CMU_31_CFG_COMMON_RESERVE_7_0,
  1143. priv,
  1144. SD25G_LANE_CMU_31(sd_index));
  1145. sdx5_rmw(SD25G_LANE_CMU_09_CFG_EN_DUMMY_SET(params->cfg_en_dummy),
  1146. SD25G_LANE_CMU_09_CFG_EN_DUMMY,
  1147. priv,
  1148. SD25G_LANE_CMU_09(sd_index));
  1149. sdx5_rmw(SD25G_LANE_CMU_13_CFG_PLL_RESERVE_3_0_SET
  1150. (params->cfg_pll_reserve_3_0),
  1151. SD25G_LANE_CMU_13_CFG_PLL_RESERVE_3_0,
  1152. priv,
  1153. SD25G_LANE_CMU_13(sd_index));
  1154. sdx5_rmw(SD25G_LANE_CMU_40_L0_CFG_TXCAL_EN_SET(params->l0_cfg_txcal_en),
  1155. SD25G_LANE_CMU_40_L0_CFG_TXCAL_EN,
  1156. priv,
  1157. SD25G_LANE_CMU_40(sd_index));
  1158. sdx5_rmw(SD25G_LANE_CMU_46_L0_CFG_TX_RESERVE_15_8_SET
  1159. (params->l0_cfg_tx_reserve_15_8),
  1160. SD25G_LANE_CMU_46_L0_CFG_TX_RESERVE_15_8,
  1161. priv,
  1162. SD25G_LANE_CMU_46(sd_index));
  1163. sdx5_rmw(SD25G_LANE_CMU_45_L0_CFG_TX_RESERVE_7_0_SET
  1164. (params->l0_cfg_tx_reserve_7_0),
  1165. SD25G_LANE_CMU_45_L0_CFG_TX_RESERVE_7_0,
  1166. priv,
  1167. SD25G_LANE_CMU_45(sd_index));
  1168. sdx5_rmw(SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN_SET(0),
  1169. SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN,
  1170. priv,
  1171. SD25G_LANE_CMU_0B(sd_index));
  1172. sdx5_rmw(SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN_SET(1),
  1173. SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN,
  1174. priv,
  1175. SD25G_LANE_CMU_0B(sd_index));
  1176. sdx5_rmw(SD25G_LANE_CMU_19_R_CK_RESETB_SET(0),
  1177. SD25G_LANE_CMU_19_R_CK_RESETB,
  1178. priv,
  1179. SD25G_LANE_CMU_19(sd_index));
  1180. sdx5_rmw(SD25G_LANE_CMU_19_R_CK_RESETB_SET(1),
  1181. SD25G_LANE_CMU_19_R_CK_RESETB,
  1182. priv,
  1183. SD25G_LANE_CMU_19(sd_index));
  1184. sdx5_rmw(SD25G_LANE_CMU_18_R_PLL_RSTN_SET(0),
  1185. SD25G_LANE_CMU_18_R_PLL_RSTN,
  1186. priv,
  1187. SD25G_LANE_CMU_18(sd_index));
  1188. sdx5_rmw(SD25G_LANE_CMU_18_R_PLL_RSTN_SET(1),
  1189. SD25G_LANE_CMU_18_R_PLL_RSTN,
  1190. priv,
  1191. SD25G_LANE_CMU_18(sd_index));
  1192. sdx5_rmw(SD25G_LANE_CMU_1A_R_DWIDTHCTRL_2_0_SET(params->r_d_width_ctrl_2_0),
  1193. SD25G_LANE_CMU_1A_R_DWIDTHCTRL_2_0,
  1194. priv,
  1195. SD25G_LANE_CMU_1A(sd_index));
  1196. sdx5_rmw(SD25G_LANE_CMU_30_R_TXFIFO_CK_DIV_PMAD_2_0_SET
  1197. (params->r_txfifo_ck_div_pmad_2_0) |
  1198. SD25G_LANE_CMU_30_R_RXFIFO_CK_DIV_PMAD_2_0_SET
  1199. (params->r_rxfifo_ck_div_pmad_2_0),
  1200. SD25G_LANE_CMU_30_R_TXFIFO_CK_DIV_PMAD_2_0 |
  1201. SD25G_LANE_CMU_30_R_RXFIFO_CK_DIV_PMAD_2_0,
  1202. priv,
  1203. SD25G_LANE_CMU_30(sd_index));
  1204. sdx5_rmw(SD25G_LANE_CMU_0C_CFG_PLL_LOL_SET_SET(params->cfg_pll_lol_set) |
  1205. SD25G_LANE_CMU_0C_CFG_VCO_DIV_MODE_1_0_SET
  1206. (params->cfg_vco_div_mode_1_0),
  1207. SD25G_LANE_CMU_0C_CFG_PLL_LOL_SET |
  1208. SD25G_LANE_CMU_0C_CFG_VCO_DIV_MODE_1_0,
  1209. priv,
  1210. SD25G_LANE_CMU_0C(sd_index));
  1211. sdx5_rmw(SD25G_LANE_CMU_0D_CFG_PRE_DIVSEL_1_0_SET
  1212. (params->cfg_pre_divsel_1_0),
  1213. SD25G_LANE_CMU_0D_CFG_PRE_DIVSEL_1_0,
  1214. priv,
  1215. SD25G_LANE_CMU_0D(sd_index));
  1216. sdx5_rmw(SD25G_LANE_CMU_0E_CFG_SEL_DIV_3_0_SET(params->cfg_sel_div_3_0),
  1217. SD25G_LANE_CMU_0E_CFG_SEL_DIV_3_0,
  1218. priv,
  1219. SD25G_LANE_CMU_0E(sd_index));
  1220. sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0x00),
  1221. SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX,
  1222. priv,
  1223. SD25G_LANE_CMU_FF(sd_index));
  1224. sdx5_rmw(SD25G_LANE_LANE_0C_LN_CFG_PMA_TX_CK_BITWIDTH_2_0_SET
  1225. (params->cfg_pma_tx_ck_bitwidth_2_0),
  1226. SD25G_LANE_LANE_0C_LN_CFG_PMA_TX_CK_BITWIDTH_2_0,
  1227. priv,
  1228. SD25G_LANE_LANE_0C(sd_index));
  1229. sdx5_rmw(SD25G_LANE_LANE_01_LN_CFG_TX_PREDIV_1_0_SET
  1230. (params->cfg_tx_prediv_1_0),
  1231. SD25G_LANE_LANE_01_LN_CFG_TX_PREDIV_1_0,
  1232. priv,
  1233. SD25G_LANE_LANE_01(sd_index));
  1234. sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_RXDIV_SEL_2_0_SET
  1235. (params->cfg_rxdiv_sel_2_0),
  1236. SD25G_LANE_LANE_18_LN_CFG_RXDIV_SEL_2_0,
  1237. priv,
  1238. SD25G_LANE_LANE_18(sd_index));
  1239. sdx5_rmw(SD25G_LANE_LANE_2C_LN_CFG_TX_SUBRATE_2_0_SET
  1240. (params->cfg_tx_subrate_2_0),
  1241. SD25G_LANE_LANE_2C_LN_CFG_TX_SUBRATE_2_0,
  1242. priv,
  1243. SD25G_LANE_LANE_2C(sd_index));
  1244. sdx5_rmw(SD25G_LANE_LANE_28_LN_CFG_RX_SUBRATE_2_0_SET
  1245. (params->cfg_rx_subrate_2_0),
  1246. SD25G_LANE_LANE_28_LN_CFG_RX_SUBRATE_2_0,
  1247. priv,
  1248. SD25G_LANE_LANE_28(sd_index));
  1249. sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_CDRCK_EN_SET(params->cfg_cdrck_en),
  1250. SD25G_LANE_LANE_18_LN_CFG_CDRCK_EN,
  1251. priv,
  1252. SD25G_LANE_LANE_18(sd_index));
  1253. sdx5_rmw(SD25G_LANE_LANE_0F_LN_CFG_DFETAP_EN_5_1_SET
  1254. (params->cfg_dfetap_en_5_1),
  1255. SD25G_LANE_LANE_0F_LN_CFG_DFETAP_EN_5_1,
  1256. priv,
  1257. SD25G_LANE_LANE_0F(sd_index));
  1258. sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD_SET(params->cfg_erramp_pd),
  1259. SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD,
  1260. priv,
  1261. SD25G_LANE_LANE_18(sd_index));
  1262. sdx5_rmw(SD25G_LANE_LANE_1D_LN_CFG_PI_DFE_EN_SET(params->cfg_pi_dfe_en),
  1263. SD25G_LANE_LANE_1D_LN_CFG_PI_DFE_EN,
  1264. priv,
  1265. SD25G_LANE_LANE_1D(sd_index));
  1266. sdx5_rmw(SD25G_LANE_LANE_19_LN_CFG_ECDR_PD_SET(params->cfg_ecdr_pd),
  1267. SD25G_LANE_LANE_19_LN_CFG_ECDR_PD,
  1268. priv,
  1269. SD25G_LANE_LANE_19(sd_index));
  1270. sdx5_rmw(SD25G_LANE_LANE_01_LN_CFG_ITX_IPDRIVER_BASE_2_0_SET
  1271. (params->cfg_itx_ipdriver_base_2_0),
  1272. SD25G_LANE_LANE_01_LN_CFG_ITX_IPDRIVER_BASE_2_0,
  1273. priv,
  1274. SD25G_LANE_LANE_01(sd_index));
  1275. sdx5_rmw(SD25G_LANE_LANE_03_LN_CFG_TAP_DLY_4_0_SET(params->cfg_tap_dly_4_0),
  1276. SD25G_LANE_LANE_03_LN_CFG_TAP_DLY_4_0,
  1277. priv,
  1278. SD25G_LANE_LANE_03(sd_index));
  1279. sdx5_rmw(SD25G_LANE_LANE_06_LN_CFG_TAP_ADV_3_0_SET(params->cfg_tap_adv_3_0),
  1280. SD25G_LANE_LANE_06_LN_CFG_TAP_ADV_3_0,
  1281. priv,
  1282. SD25G_LANE_LANE_06(sd_index));
  1283. sdx5_rmw(SD25G_LANE_LANE_07_LN_CFG_EN_ADV_SET(params->cfg_en_adv) |
  1284. SD25G_LANE_LANE_07_LN_CFG_EN_DLY_SET(params->cfg_en_dly),
  1285. SD25G_LANE_LANE_07_LN_CFG_EN_ADV |
  1286. SD25G_LANE_LANE_07_LN_CFG_EN_DLY,
  1287. priv,
  1288. SD25G_LANE_LANE_07(sd_index));
  1289. sdx5_rmw(SD25G_LANE_LANE_43_LN_CFG_TX_RESERVE_15_8_SET
  1290. (params->cfg_tx_reserve_15_8),
  1291. SD25G_LANE_LANE_43_LN_CFG_TX_RESERVE_15_8,
  1292. priv,
  1293. SD25G_LANE_LANE_43(sd_index));
  1294. sdx5_rmw(SD25G_LANE_LANE_42_LN_CFG_TX_RESERVE_7_0_SET
  1295. (params->cfg_tx_reserve_7_0),
  1296. SD25G_LANE_LANE_42_LN_CFG_TX_RESERVE_7_0,
  1297. priv,
  1298. SD25G_LANE_LANE_42(sd_index));
  1299. sdx5_rmw(SD25G_LANE_LANE_05_LN_CFG_BW_1_0_SET(params->cfg_bw_1_0),
  1300. SD25G_LANE_LANE_05_LN_CFG_BW_1_0,
  1301. priv,
  1302. SD25G_LANE_LANE_05(sd_index));
  1303. sdx5_rmw(SD25G_LANE_LANE_0B_LN_CFG_TXCAL_MAN_EN_SET
  1304. (params->cfg_txcal_man_en),
  1305. SD25G_LANE_LANE_0B_LN_CFG_TXCAL_MAN_EN,
  1306. priv,
  1307. SD25G_LANE_LANE_0B(sd_index));
  1308. sdx5_rmw(SD25G_LANE_LANE_0A_LN_CFG_TXCAL_SHIFT_CODE_5_0_SET
  1309. (params->cfg_txcal_shift_code_5_0),
  1310. SD25G_LANE_LANE_0A_LN_CFG_TXCAL_SHIFT_CODE_5_0,
  1311. priv,
  1312. SD25G_LANE_LANE_0A(sd_index));
  1313. sdx5_rmw(SD25G_LANE_LANE_09_LN_CFG_TXCAL_VALID_SEL_3_0_SET
  1314. (params->cfg_txcal_valid_sel_3_0),
  1315. SD25G_LANE_LANE_09_LN_CFG_TXCAL_VALID_SEL_3_0,
  1316. priv,
  1317. SD25G_LANE_LANE_09(sd_index));
  1318. sdx5_rmw(SD25G_LANE_LANE_1A_LN_CFG_CDR_KF_2_0_SET(params->cfg_cdr_kf_2_0),
  1319. SD25G_LANE_LANE_1A_LN_CFG_CDR_KF_2_0,
  1320. priv,
  1321. SD25G_LANE_LANE_1A(sd_index));
  1322. sdx5_rmw(SD25G_LANE_LANE_1B_LN_CFG_CDR_M_7_0_SET(params->cfg_cdr_m_7_0),
  1323. SD25G_LANE_LANE_1B_LN_CFG_CDR_M_7_0,
  1324. priv,
  1325. SD25G_LANE_LANE_1B(sd_index));
  1326. sdx5_rmw(SD25G_LANE_LANE_2B_LN_CFG_PI_BW_3_0_SET(params->cfg_pi_bw_3_0),
  1327. SD25G_LANE_LANE_2B_LN_CFG_PI_BW_3_0,
  1328. priv,
  1329. SD25G_LANE_LANE_2B(sd_index));
  1330. sdx5_rmw(SD25G_LANE_LANE_2C_LN_CFG_DIS_2NDORDER_SET
  1331. (params->cfg_dis_2ndorder),
  1332. SD25G_LANE_LANE_2C_LN_CFG_DIS_2NDORDER,
  1333. priv,
  1334. SD25G_LANE_LANE_2C(sd_index));
  1335. sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_CTLE_RSTN_SET(params->cfg_ctle_rstn),
  1336. SD25G_LANE_LANE_2E_LN_CFG_CTLE_RSTN,
  1337. priv,
  1338. SD25G_LANE_LANE_2E(sd_index));
  1339. sdx5_rmw(SD25G_LANE_LANE_00_LN_CFG_ITX_IPCML_BASE_1_0_SET
  1340. (params->cfg_itx_ipcml_base_1_0),
  1341. SD25G_LANE_LANE_00_LN_CFG_ITX_IPCML_BASE_1_0,
  1342. priv,
  1343. SD25G_LANE_LANE_00(sd_index));
  1344. sdx5_rmw(SD25G_LANE_LANE_44_LN_CFG_RX_RESERVE_7_0_SET
  1345. (params->cfg_rx_reserve_7_0),
  1346. SD25G_LANE_LANE_44_LN_CFG_RX_RESERVE_7_0,
  1347. priv,
  1348. SD25G_LANE_LANE_44(sd_index));
  1349. sdx5_rmw(SD25G_LANE_LANE_45_LN_CFG_RX_RESERVE_15_8_SET
  1350. (params->cfg_rx_reserve_15_8),
  1351. SD25G_LANE_LANE_45_LN_CFG_RX_RESERVE_15_8,
  1352. priv,
  1353. SD25G_LANE_LANE_45(sd_index));
  1354. sdx5_rmw(SD25G_LANE_LANE_0D_LN_CFG_DFECK_EN_SET(params->cfg_dfeck_en) |
  1355. SD25G_LANE_LANE_0D_LN_CFG_RXTERM_2_0_SET(params->cfg_rxterm_2_0),
  1356. SD25G_LANE_LANE_0D_LN_CFG_DFECK_EN |
  1357. SD25G_LANE_LANE_0D_LN_CFG_RXTERM_2_0,
  1358. priv,
  1359. SD25G_LANE_LANE_0D(sd_index));
  1360. sdx5_rmw(SD25G_LANE_LANE_21_LN_CFG_VGA_CTRL_BYP_4_0_SET
  1361. (params->cfg_vga_ctrl_byp_4_0),
  1362. SD25G_LANE_LANE_21_LN_CFG_VGA_CTRL_BYP_4_0,
  1363. priv,
  1364. SD25G_LANE_LANE_21(sd_index));
  1365. sdx5_rmw(SD25G_LANE_LANE_22_LN_CFG_EQR_FORCE_3_0_SET
  1366. (params->cfg_eqr_force_3_0),
  1367. SD25G_LANE_LANE_22_LN_CFG_EQR_FORCE_3_0,
  1368. priv,
  1369. SD25G_LANE_LANE_22(sd_index));
  1370. sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_EQC_FORCE_3_0_SET
  1371. (params->cfg_eqc_force_3_0) |
  1372. SD25G_LANE_LANE_1C_LN_CFG_DFE_PD_SET(params->cfg_dfe_pd),
  1373. SD25G_LANE_LANE_1C_LN_CFG_EQC_FORCE_3_0 |
  1374. SD25G_LANE_LANE_1C_LN_CFG_DFE_PD,
  1375. priv,
  1376. SD25G_LANE_LANE_1C(sd_index));
  1377. sdx5_rmw(SD25G_LANE_LANE_1E_LN_CFG_SUM_SETCM_EN_SET
  1378. (params->cfg_sum_setcm_en),
  1379. SD25G_LANE_LANE_1E_LN_CFG_SUM_SETCM_EN,
  1380. priv,
  1381. SD25G_LANE_LANE_1E(sd_index));
  1382. sdx5_rmw(SD25G_LANE_LANE_25_LN_CFG_INIT_POS_ISCAN_6_0_SET
  1383. (params->cfg_init_pos_iscan_6_0),
  1384. SD25G_LANE_LANE_25_LN_CFG_INIT_POS_ISCAN_6_0,
  1385. priv,
  1386. SD25G_LANE_LANE_25(sd_index));
  1387. sdx5_rmw(SD25G_LANE_LANE_26_LN_CFG_INIT_POS_IPI_6_0_SET
  1388. (params->cfg_init_pos_ipi_6_0),
  1389. SD25G_LANE_LANE_26_LN_CFG_INIT_POS_IPI_6_0,
  1390. priv,
  1391. SD25G_LANE_LANE_26(sd_index));
  1392. sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD_SET(params->cfg_erramp_pd),
  1393. SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD,
  1394. priv,
  1395. SD25G_LANE_LANE_18(sd_index));
  1396. sdx5_rmw(SD25G_LANE_LANE_0E_LN_CFG_DFEDIG_M_2_0_SET
  1397. (params->cfg_dfedig_m_2_0),
  1398. SD25G_LANE_LANE_0E_LN_CFG_DFEDIG_M_2_0,
  1399. priv,
  1400. SD25G_LANE_LANE_0E(sd_index));
  1401. sdx5_rmw(SD25G_LANE_LANE_0E_LN_CFG_EN_DFEDIG_SET(params->cfg_en_dfedig),
  1402. SD25G_LANE_LANE_0E_LN_CFG_EN_DFEDIG,
  1403. priv,
  1404. SD25G_LANE_LANE_0E(sd_index));
  1405. sdx5_rmw(SD25G_LANE_LANE_40_LN_R_TX_POL_INV_SET(params->r_tx_pol_inv) |
  1406. SD25G_LANE_LANE_40_LN_R_RX_POL_INV_SET(params->r_rx_pol_inv),
  1407. SD25G_LANE_LANE_40_LN_R_TX_POL_INV |
  1408. SD25G_LANE_LANE_40_LN_R_RX_POL_INV,
  1409. priv,
  1410. SD25G_LANE_LANE_40(sd_index));
  1411. sdx5_rmw(SD25G_LANE_LANE_04_LN_CFG_RX2TX_LP_EN_SET(params->cfg_rx2tx_lp_en) |
  1412. SD25G_LANE_LANE_04_LN_CFG_TX2RX_LP_EN_SET(params->cfg_tx2rx_lp_en),
  1413. SD25G_LANE_LANE_04_LN_CFG_RX2TX_LP_EN |
  1414. SD25G_LANE_LANE_04_LN_CFG_TX2RX_LP_EN,
  1415. priv,
  1416. SD25G_LANE_LANE_04(sd_index));
  1417. sdx5_rmw(SD25G_LANE_LANE_1E_LN_CFG_RXLB_EN_SET(params->cfg_rxlb_en),
  1418. SD25G_LANE_LANE_1E_LN_CFG_RXLB_EN,
  1419. priv,
  1420. SD25G_LANE_LANE_1E(sd_index));
  1421. sdx5_rmw(SD25G_LANE_LANE_19_LN_CFG_TXLB_EN_SET(params->cfg_txlb_en),
  1422. SD25G_LANE_LANE_19_LN_CFG_TXLB_EN,
  1423. priv,
  1424. SD25G_LANE_LANE_19(sd_index));
  1425. sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG_SET(0),
  1426. SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG,
  1427. priv,
  1428. SD25G_LANE_LANE_2E(sd_index));
  1429. sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG_SET(1),
  1430. SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG,
  1431. priv,
  1432. SD25G_LANE_LANE_2E(sd_index));
  1433. sdx5_rmw(SD_LANE_25G_SD_LANE_CFG_MACRO_RST_SET(0),
  1434. SD_LANE_25G_SD_LANE_CFG_MACRO_RST,
  1435. priv,
  1436. SD_LANE_25G_SD_LANE_CFG(sd_index));
  1437. sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN_SET(0),
  1438. SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN,
  1439. priv,
  1440. SD25G_LANE_LANE_1C(sd_index));
  1441. usleep_range(1000, 2000);
  1442. sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN_SET(1),
  1443. SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN,
  1444. priv,
  1445. SD25G_LANE_LANE_1C(sd_index));
  1446. usleep_range(10000, 20000);
  1447. sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0xff),
  1448. SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX,
  1449. priv,
  1450. SD25G_LANE_CMU_FF(sd_index));
  1451. value = readl(sdx5_addr(regs, SD25G_LANE_CMU_C0(sd_index)));
  1452. value = SD25G_LANE_CMU_C0_PLL_LOL_UDL_GET(value);
  1453. if (value) {
  1454. dev_err(dev, "25G PLL Loss of Lock: 0x%x\n", value);
  1455. return -EINVAL;
  1456. }
  1457. value = readl(sdx5_addr(regs, SD_LANE_25G_SD_LANE_STAT(sd_index)));
  1458. value = SD_LANE_25G_SD_LANE_STAT_PMA_RST_DONE_GET(value);
  1459. if (value != 0x1) {
  1460. dev_err(dev, "25G PMA Reset failed: 0x%x\n", value);
  1461. return -EINVAL;
  1462. }
  1463. sdx5_rmw(SD25G_LANE_CMU_2A_R_DBG_LOL_STATUS_SET(0x1),
  1464. SD25G_LANE_CMU_2A_R_DBG_LOL_STATUS,
  1465. priv,
  1466. SD25G_LANE_CMU_2A(sd_index));
  1467. sdx5_rmw(SD_LANE_25G_SD_SER_RST_SER_RST_SET(0x0),
  1468. SD_LANE_25G_SD_SER_RST_SER_RST,
  1469. priv,
  1470. SD_LANE_25G_SD_SER_RST(sd_index));
  1471. sdx5_rmw(SD_LANE_25G_SD_DES_RST_DES_RST_SET(0x0),
  1472. SD_LANE_25G_SD_DES_RST_DES_RST,
  1473. priv,
  1474. SD_LANE_25G_SD_DES_RST(sd_index));
  1475. sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0),
  1476. SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX,
  1477. priv,
  1478. SD25G_LANE_CMU_FF(sd_index));
  1479. sdx5_rmw(SD25G_LANE_LANE_2D_LN_CFG_ALOS_THR_2_0_SET
  1480. (params->cfg_alos_thr_2_0),
  1481. SD25G_LANE_LANE_2D_LN_CFG_ALOS_THR_2_0,
  1482. priv,
  1483. SD25G_LANE_LANE_2D(sd_index));
  1484. sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_DIS_SQ_SET(0),
  1485. SD25G_LANE_LANE_2E_LN_CFG_DIS_SQ,
  1486. priv,
  1487. SD25G_LANE_LANE_2E(sd_index));
  1488. sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_PD_SQ_SET(0),
  1489. SD25G_LANE_LANE_2E_LN_CFG_PD_SQ,
  1490. priv,
  1491. SD25G_LANE_LANE_2E(sd_index));
  1492. return 0;
  1493. }
  1494. static void sparx5_sd10g28_reset(void __iomem *regs[], u32 lane_index)
  1495. {
  1496. /* Note: SerDes SD10G_LANE_1 is configured in 10G_LAN mode */
  1497. sdx5_rmw_addr(SD_LANE_SD_LANE_CFG_EXT_CFG_RST_SET(1),
  1498. SD_LANE_SD_LANE_CFG_EXT_CFG_RST,
  1499. sdx5_addr(regs, SD_LANE_SD_LANE_CFG(lane_index)));
  1500. usleep_range(1000, 2000);
  1501. sdx5_rmw_addr(SD_LANE_SD_LANE_CFG_EXT_CFG_RST_SET(0),
  1502. SD_LANE_SD_LANE_CFG_EXT_CFG_RST,
  1503. sdx5_addr(regs, SD_LANE_SD_LANE_CFG(lane_index)));
  1504. }
  1505. static int sparx5_sd10g28_apply_params(struct sparx5_serdes_macro *macro,
  1506. struct sparx5_sd10g28_params *params)
  1507. {
  1508. struct sparx5_serdes_private *priv = macro->priv;
  1509. void __iomem **regs = priv->regs;
  1510. struct device *dev = priv->dev;
  1511. u32 lane_index = macro->sidx;
  1512. u32 sd_index = macro->stpidx;
  1513. void __iomem *sd_inst;
  1514. u32 value, cmu_idx;
  1515. int err;
  1516. /* Do not configure serdes if CMU is not to be configured too */
  1517. if (params->skip_cmu_cfg)
  1518. return 0;
  1519. cmu_idx = priv->data->ops.serdes_cmu_get(params->cmu_sel, macro->sidx);
  1520. err = sparx5_cmu_cfg(priv, cmu_idx);
  1521. if (err)
  1522. return err;
  1523. if (params->is_6g)
  1524. sd_inst = sdx5_inst_get(priv, TARGET_SD6G_LANE, sd_index);
  1525. else
  1526. sd_inst = sdx5_inst_get(priv, TARGET_SD10G_LANE, sd_index);
  1527. sdx5_rmw(SD_LANE_SD_LANE_CFG_MACRO_RST_SET(1),
  1528. SD_LANE_SD_LANE_CFG_MACRO_RST,
  1529. priv,
  1530. SD_LANE_SD_LANE_CFG(lane_index));
  1531. sdx5_inst_rmw(SD10G_LANE_LANE_93_R_DWIDTHCTRL_FROM_HWT_SET(0x0) |
  1532. SD10G_LANE_LANE_93_R_REG_MANUAL_SET(0x1) |
  1533. SD10G_LANE_LANE_93_R_AUXCKSEL_FROM_HWT_SET(0x1) |
  1534. SD10G_LANE_LANE_93_R_LANE_ID_FROM_HWT_SET(0x1) |
  1535. SD10G_LANE_LANE_93_R_EN_RATECHG_CTRL_SET(0x0),
  1536. SD10G_LANE_LANE_93_R_DWIDTHCTRL_FROM_HWT |
  1537. SD10G_LANE_LANE_93_R_REG_MANUAL |
  1538. SD10G_LANE_LANE_93_R_AUXCKSEL_FROM_HWT |
  1539. SD10G_LANE_LANE_93_R_LANE_ID_FROM_HWT |
  1540. SD10G_LANE_LANE_93_R_EN_RATECHG_CTRL,
  1541. sd_inst,
  1542. SD10G_LANE_LANE_93(sd_index));
  1543. sdx5_inst_rmw(SD10G_LANE_LANE_94_R_ISCAN_REG_SET(0x1) |
  1544. SD10G_LANE_LANE_94_R_TXEQ_REG_SET(0x1) |
  1545. SD10G_LANE_LANE_94_R_MISC_REG_SET(0x1) |
  1546. SD10G_LANE_LANE_94_R_SWING_REG_SET(0x1),
  1547. SD10G_LANE_LANE_94_R_ISCAN_REG |
  1548. SD10G_LANE_LANE_94_R_TXEQ_REG |
  1549. SD10G_LANE_LANE_94_R_MISC_REG |
  1550. SD10G_LANE_LANE_94_R_SWING_REG,
  1551. sd_inst,
  1552. SD10G_LANE_LANE_94(sd_index));
  1553. sdx5_inst_rmw(SD10G_LANE_LANE_9E_R_RXEQ_REG_SET(0x1),
  1554. SD10G_LANE_LANE_9E_R_RXEQ_REG,
  1555. sd_inst,
  1556. SD10G_LANE_LANE_9E(sd_index));
  1557. sdx5_inst_rmw(SD10G_LANE_LANE_A1_R_SSC_FROM_HWT_SET(0x0) |
  1558. SD10G_LANE_LANE_A1_R_CDR_FROM_HWT_SET(0x0) |
  1559. SD10G_LANE_LANE_A1_R_PCLK_GATING_FROM_HWT_SET(0x1),
  1560. SD10G_LANE_LANE_A1_R_SSC_FROM_HWT |
  1561. SD10G_LANE_LANE_A1_R_CDR_FROM_HWT |
  1562. SD10G_LANE_LANE_A1_R_PCLK_GATING_FROM_HWT,
  1563. sd_inst,
  1564. SD10G_LANE_LANE_A1(sd_index));
  1565. sdx5_rmw(SD_LANE_SD_LANE_CFG_RX_REF_SEL_SET(params->cmu_sel) |
  1566. SD_LANE_SD_LANE_CFG_TX_REF_SEL_SET(params->cmu_sel),
  1567. SD_LANE_SD_LANE_CFG_RX_REF_SEL |
  1568. SD_LANE_SD_LANE_CFG_TX_REF_SEL,
  1569. priv,
  1570. SD_LANE_SD_LANE_CFG(lane_index));
  1571. sdx5_inst_rmw(SD10G_LANE_LANE_40_CFG_LANE_RESERVE_7_0_SET
  1572. (params->cfg_lane_reserve_7_0),
  1573. SD10G_LANE_LANE_40_CFG_LANE_RESERVE_7_0,
  1574. sd_inst,
  1575. SD10G_LANE_LANE_40(sd_index));
  1576. sdx5_inst_rmw(SD10G_LANE_LANE_50_CFG_SSC_RTL_CLK_SEL_SET
  1577. (params->cfg_ssc_rtl_clk_sel),
  1578. SD10G_LANE_LANE_50_CFG_SSC_RTL_CLK_SEL,
  1579. sd_inst,
  1580. SD10G_LANE_LANE_50(sd_index));
  1581. sdx5_inst_rmw(SD10G_LANE_LANE_35_CFG_TXRATE_1_0_SET
  1582. (params->cfg_txrate_1_0) |
  1583. SD10G_LANE_LANE_35_CFG_RXRATE_1_0_SET
  1584. (params->cfg_rxrate_1_0),
  1585. SD10G_LANE_LANE_35_CFG_TXRATE_1_0 |
  1586. SD10G_LANE_LANE_35_CFG_RXRATE_1_0,
  1587. sd_inst,
  1588. SD10G_LANE_LANE_35(sd_index));
  1589. sdx5_inst_rmw(SD10G_LANE_LANE_94_R_DWIDTHCTRL_2_0_SET
  1590. (params->r_d_width_ctrl_2_0),
  1591. SD10G_LANE_LANE_94_R_DWIDTHCTRL_2_0,
  1592. sd_inst,
  1593. SD10G_LANE_LANE_94(sd_index));
  1594. sdx5_inst_rmw(SD10G_LANE_LANE_01_CFG_PMA_TX_CK_BITWIDTH_2_0_SET
  1595. (params->cfg_pma_tx_ck_bitwidth_2_0),
  1596. SD10G_LANE_LANE_01_CFG_PMA_TX_CK_BITWIDTH_2_0,
  1597. sd_inst,
  1598. SD10G_LANE_LANE_01(sd_index));
  1599. sdx5_inst_rmw(SD10G_LANE_LANE_30_CFG_RXDIV_SEL_2_0_SET
  1600. (params->cfg_rxdiv_sel_2_0),
  1601. SD10G_LANE_LANE_30_CFG_RXDIV_SEL_2_0,
  1602. sd_inst,
  1603. SD10G_LANE_LANE_30(sd_index));
  1604. sdx5_inst_rmw(SD10G_LANE_LANE_A2_R_PCS2PMA_PHYMODE_4_0_SET
  1605. (params->r_pcs2pma_phymode_4_0),
  1606. SD10G_LANE_LANE_A2_R_PCS2PMA_PHYMODE_4_0,
  1607. sd_inst,
  1608. SD10G_LANE_LANE_A2(sd_index));
  1609. sdx5_inst_rmw(SD10G_LANE_LANE_13_CFG_CDRCK_EN_SET(params->cfg_cdrck_en),
  1610. SD10G_LANE_LANE_13_CFG_CDRCK_EN,
  1611. sd_inst,
  1612. SD10G_LANE_LANE_13(sd_index));
  1613. sdx5_inst_rmw(SD10G_LANE_LANE_23_CFG_DFECK_EN_SET
  1614. (params->cfg_dfeck_en) |
  1615. SD10G_LANE_LANE_23_CFG_DFE_PD_SET(params->cfg_dfe_pd) |
  1616. SD10G_LANE_LANE_23_CFG_ERRAMP_PD_SET
  1617. (params->cfg_erramp_pd),
  1618. SD10G_LANE_LANE_23_CFG_DFECK_EN |
  1619. SD10G_LANE_LANE_23_CFG_DFE_PD |
  1620. SD10G_LANE_LANE_23_CFG_ERRAMP_PD,
  1621. sd_inst,
  1622. SD10G_LANE_LANE_23(sd_index));
  1623. sdx5_inst_rmw(SD10G_LANE_LANE_22_CFG_DFETAP_EN_5_1_SET
  1624. (params->cfg_dfetap_en_5_1),
  1625. SD10G_LANE_LANE_22_CFG_DFETAP_EN_5_1,
  1626. sd_inst,
  1627. SD10G_LANE_LANE_22(sd_index));
  1628. sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_DFE_EN_SET
  1629. (params->cfg_pi_DFE_en),
  1630. SD10G_LANE_LANE_1A_CFG_PI_DFE_EN,
  1631. sd_inst,
  1632. SD10G_LANE_LANE_1A(sd_index));
  1633. sdx5_inst_rmw(SD10G_LANE_LANE_02_CFG_EN_ADV_SET(params->cfg_en_adv) |
  1634. SD10G_LANE_LANE_02_CFG_EN_MAIN_SET(params->cfg_en_main) |
  1635. SD10G_LANE_LANE_02_CFG_EN_DLY_SET(params->cfg_en_dly) |
  1636. SD10G_LANE_LANE_02_CFG_TAP_ADV_3_0_SET
  1637. (params->cfg_tap_adv_3_0),
  1638. SD10G_LANE_LANE_02_CFG_EN_ADV |
  1639. SD10G_LANE_LANE_02_CFG_EN_MAIN |
  1640. SD10G_LANE_LANE_02_CFG_EN_DLY |
  1641. SD10G_LANE_LANE_02_CFG_TAP_ADV_3_0,
  1642. sd_inst,
  1643. SD10G_LANE_LANE_02(sd_index));
  1644. sdx5_inst_rmw(SD10G_LANE_LANE_03_CFG_TAP_MAIN_SET(params->cfg_tap_main),
  1645. SD10G_LANE_LANE_03_CFG_TAP_MAIN,
  1646. sd_inst,
  1647. SD10G_LANE_LANE_03(sd_index));
  1648. sdx5_inst_rmw(SD10G_LANE_LANE_04_CFG_TAP_DLY_4_0_SET
  1649. (params->cfg_tap_dly_4_0),
  1650. SD10G_LANE_LANE_04_CFG_TAP_DLY_4_0,
  1651. sd_inst,
  1652. SD10G_LANE_LANE_04(sd_index));
  1653. sdx5_inst_rmw(SD10G_LANE_LANE_2F_CFG_VGA_CTRL_3_0_SET
  1654. (params->cfg_vga_ctrl_3_0),
  1655. SD10G_LANE_LANE_2F_CFG_VGA_CTRL_3_0,
  1656. sd_inst,
  1657. SD10G_LANE_LANE_2F(sd_index));
  1658. sdx5_inst_rmw(SD10G_LANE_LANE_2F_CFG_VGA_CP_2_0_SET
  1659. (params->cfg_vga_cp_2_0),
  1660. SD10G_LANE_LANE_2F_CFG_VGA_CP_2_0,
  1661. sd_inst,
  1662. SD10G_LANE_LANE_2F(sd_index));
  1663. sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_EQ_RES_3_0_SET
  1664. (params->cfg_eq_res_3_0),
  1665. SD10G_LANE_LANE_0B_CFG_EQ_RES_3_0,
  1666. sd_inst,
  1667. SD10G_LANE_LANE_0B(sd_index));
  1668. sdx5_inst_rmw(SD10G_LANE_LANE_0D_CFG_EQR_BYP_SET(params->cfg_eq_r_byp),
  1669. SD10G_LANE_LANE_0D_CFG_EQR_BYP,
  1670. sd_inst,
  1671. SD10G_LANE_LANE_0D(sd_index));
  1672. sdx5_inst_rmw(SD10G_LANE_LANE_0E_CFG_EQC_FORCE_3_0_SET
  1673. (params->cfg_eq_c_force_3_0) |
  1674. SD10G_LANE_LANE_0E_CFG_SUM_SETCM_EN_SET
  1675. (params->cfg_sum_setcm_en),
  1676. SD10G_LANE_LANE_0E_CFG_EQC_FORCE_3_0 |
  1677. SD10G_LANE_LANE_0E_CFG_SUM_SETCM_EN,
  1678. sd_inst,
  1679. SD10G_LANE_LANE_0E(sd_index));
  1680. sdx5_inst_rmw(SD10G_LANE_LANE_23_CFG_EN_DFEDIG_SET
  1681. (params->cfg_en_dfedig),
  1682. SD10G_LANE_LANE_23_CFG_EN_DFEDIG,
  1683. sd_inst,
  1684. SD10G_LANE_LANE_23(sd_index));
  1685. sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_EN_PREEMPH_SET
  1686. (params->cfg_en_preemph),
  1687. SD10G_LANE_LANE_06_CFG_EN_PREEMPH,
  1688. sd_inst,
  1689. SD10G_LANE_LANE_06(sd_index));
  1690. sdx5_inst_rmw(SD10G_LANE_LANE_33_CFG_ITX_IPPREEMP_BASE_1_0_SET
  1691. (params->cfg_itx_ippreemp_base_1_0) |
  1692. SD10G_LANE_LANE_33_CFG_ITX_IPDRIVER_BASE_2_0_SET
  1693. (params->cfg_itx_ipdriver_base_2_0),
  1694. SD10G_LANE_LANE_33_CFG_ITX_IPPREEMP_BASE_1_0 |
  1695. SD10G_LANE_LANE_33_CFG_ITX_IPDRIVER_BASE_2_0,
  1696. sd_inst,
  1697. SD10G_LANE_LANE_33(sd_index));
  1698. sdx5_inst_rmw(SD10G_LANE_LANE_52_CFG_IBIAS_TUNE_RESERVE_5_0_SET
  1699. (params->cfg_ibias_tune_reserve_5_0),
  1700. SD10G_LANE_LANE_52_CFG_IBIAS_TUNE_RESERVE_5_0,
  1701. sd_inst,
  1702. SD10G_LANE_LANE_52(sd_index));
  1703. sdx5_inst_rmw(SD10G_LANE_LANE_37_CFG_TXSWING_HALF_SET
  1704. (params->cfg_txswing_half),
  1705. SD10G_LANE_LANE_37_CFG_TXSWING_HALF,
  1706. sd_inst,
  1707. SD10G_LANE_LANE_37(sd_index));
  1708. sdx5_inst_rmw(SD10G_LANE_LANE_3C_CFG_DIS_2NDORDER_SET
  1709. (params->cfg_dis_2nd_order),
  1710. SD10G_LANE_LANE_3C_CFG_DIS_2NDORDER,
  1711. sd_inst,
  1712. SD10G_LANE_LANE_3C(sd_index));
  1713. sdx5_inst_rmw(SD10G_LANE_LANE_39_CFG_RX_SSC_LH_SET
  1714. (params->cfg_rx_ssc_lh),
  1715. SD10G_LANE_LANE_39_CFG_RX_SSC_LH,
  1716. sd_inst,
  1717. SD10G_LANE_LANE_39(sd_index));
  1718. sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_FLOOP_STEPS_1_0_SET
  1719. (params->cfg_pi_floop_steps_1_0),
  1720. SD10G_LANE_LANE_1A_CFG_PI_FLOOP_STEPS_1_0,
  1721. sd_inst,
  1722. SD10G_LANE_LANE_1A(sd_index));
  1723. sdx5_inst_rmw(SD10G_LANE_LANE_16_CFG_PI_EXT_DAC_23_16_SET
  1724. (params->cfg_pi_ext_dac_23_16),
  1725. SD10G_LANE_LANE_16_CFG_PI_EXT_DAC_23_16,
  1726. sd_inst,
  1727. SD10G_LANE_LANE_16(sd_index));
  1728. sdx5_inst_rmw(SD10G_LANE_LANE_15_CFG_PI_EXT_DAC_15_8_SET
  1729. (params->cfg_pi_ext_dac_15_8),
  1730. SD10G_LANE_LANE_15_CFG_PI_EXT_DAC_15_8,
  1731. sd_inst,
  1732. SD10G_LANE_LANE_15(sd_index));
  1733. sdx5_inst_rmw(SD10G_LANE_LANE_26_CFG_ISCAN_EXT_DAC_7_0_SET
  1734. (params->cfg_iscan_ext_dac_7_0),
  1735. SD10G_LANE_LANE_26_CFG_ISCAN_EXT_DAC_7_0,
  1736. sd_inst,
  1737. SD10G_LANE_LANE_26(sd_index));
  1738. sdx5_inst_rmw(SD10G_LANE_LANE_42_CFG_CDR_KF_GEN1_2_0_SET
  1739. (params->cfg_cdr_kf_gen1_2_0),
  1740. SD10G_LANE_LANE_42_CFG_CDR_KF_GEN1_2_0,
  1741. sd_inst,
  1742. SD10G_LANE_LANE_42(sd_index));
  1743. sdx5_inst_rmw(SD10G_LANE_LANE_0F_R_CDR_M_GEN1_7_0_SET
  1744. (params->r_cdr_m_gen1_7_0),
  1745. SD10G_LANE_LANE_0F_R_CDR_M_GEN1_7_0,
  1746. sd_inst,
  1747. SD10G_LANE_LANE_0F(sd_index));
  1748. sdx5_inst_rmw(SD10G_LANE_LANE_24_CFG_PI_BW_GEN1_3_0_SET
  1749. (params->cfg_pi_bw_gen1_3_0),
  1750. SD10G_LANE_LANE_24_CFG_PI_BW_GEN1_3_0,
  1751. sd_inst,
  1752. SD10G_LANE_LANE_24(sd_index));
  1753. sdx5_inst_rmw(SD10G_LANE_LANE_14_CFG_PI_EXT_DAC_7_0_SET
  1754. (params->cfg_pi_ext_dac_7_0),
  1755. SD10G_LANE_LANE_14_CFG_PI_EXT_DAC_7_0,
  1756. sd_inst,
  1757. SD10G_LANE_LANE_14(sd_index));
  1758. sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_STEPS_SET(params->cfg_pi_steps),
  1759. SD10G_LANE_LANE_1A_CFG_PI_STEPS,
  1760. sd_inst,
  1761. SD10G_LANE_LANE_1A(sd_index));
  1762. sdx5_inst_rmw(SD10G_LANE_LANE_3A_CFG_MP_MAX_3_0_SET
  1763. (params->cfg_mp_max_3_0),
  1764. SD10G_LANE_LANE_3A_CFG_MP_MAX_3_0,
  1765. sd_inst,
  1766. SD10G_LANE_LANE_3A(sd_index));
  1767. sdx5_inst_rmw(SD10G_LANE_LANE_31_CFG_RSTN_DFEDIG_SET
  1768. (params->cfg_rstn_dfedig),
  1769. SD10G_LANE_LANE_31_CFG_RSTN_DFEDIG,
  1770. sd_inst,
  1771. SD10G_LANE_LANE_31(sd_index));
  1772. sdx5_inst_rmw(SD10G_LANE_LANE_48_CFG_ALOS_THR_3_0_SET
  1773. (params->cfg_alos_thr_3_0),
  1774. SD10G_LANE_LANE_48_CFG_ALOS_THR_3_0,
  1775. sd_inst,
  1776. SD10G_LANE_LANE_48(sd_index));
  1777. sdx5_inst_rmw(SD10G_LANE_LANE_36_CFG_PREDRV_SLEWRATE_1_0_SET
  1778. (params->cfg_predrv_slewrate_1_0),
  1779. SD10G_LANE_LANE_36_CFG_PREDRV_SLEWRATE_1_0,
  1780. sd_inst,
  1781. SD10G_LANE_LANE_36(sd_index));
  1782. sdx5_inst_rmw(SD10G_LANE_LANE_32_CFG_ITX_IPCML_BASE_1_0_SET
  1783. (params->cfg_itx_ipcml_base_1_0),
  1784. SD10G_LANE_LANE_32_CFG_ITX_IPCML_BASE_1_0,
  1785. sd_inst,
  1786. SD10G_LANE_LANE_32(sd_index));
  1787. sdx5_inst_rmw(SD10G_LANE_LANE_37_CFG_IP_PRE_BASE_1_0_SET
  1788. (params->cfg_ip_pre_base_1_0),
  1789. SD10G_LANE_LANE_37_CFG_IP_PRE_BASE_1_0,
  1790. sd_inst,
  1791. SD10G_LANE_LANE_37(sd_index));
  1792. sdx5_inst_rmw(SD10G_LANE_LANE_41_CFG_LANE_RESERVE_15_8_SET
  1793. (params->cfg_lane_reserve_15_8),
  1794. SD10G_LANE_LANE_41_CFG_LANE_RESERVE_15_8,
  1795. sd_inst,
  1796. SD10G_LANE_LANE_41(sd_index));
  1797. sdx5_inst_rmw(SD10G_LANE_LANE_9E_R_EN_AUTO_CDR_RSTN_SET
  1798. (params->r_en_auto_cdr_rstn),
  1799. SD10G_LANE_LANE_9E_R_EN_AUTO_CDR_RSTN,
  1800. sd_inst,
  1801. SD10G_LANE_LANE_9E(sd_index));
  1802. sdx5_inst_rmw(SD10G_LANE_LANE_0C_CFG_OSCAL_AFE_SET
  1803. (params->cfg_oscal_afe) |
  1804. SD10G_LANE_LANE_0C_CFG_PD_OSDAC_AFE_SET
  1805. (params->cfg_pd_osdac_afe),
  1806. SD10G_LANE_LANE_0C_CFG_OSCAL_AFE |
  1807. SD10G_LANE_LANE_0C_CFG_PD_OSDAC_AFE,
  1808. sd_inst,
  1809. SD10G_LANE_LANE_0C(sd_index));
  1810. sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE_SET
  1811. (params->cfg_resetb_oscal_afe[0]),
  1812. SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE,
  1813. sd_inst,
  1814. SD10G_LANE_LANE_0B(sd_index));
  1815. sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE_SET
  1816. (params->cfg_resetb_oscal_afe[1]),
  1817. SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE,
  1818. sd_inst,
  1819. SD10G_LANE_LANE_0B(sd_index));
  1820. sdx5_inst_rmw(SD10G_LANE_LANE_83_R_TX_POL_INV_SET
  1821. (params->r_tx_pol_inv) |
  1822. SD10G_LANE_LANE_83_R_RX_POL_INV_SET
  1823. (params->r_rx_pol_inv),
  1824. SD10G_LANE_LANE_83_R_TX_POL_INV |
  1825. SD10G_LANE_LANE_83_R_RX_POL_INV,
  1826. sd_inst,
  1827. SD10G_LANE_LANE_83(sd_index));
  1828. sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_RX2TX_LP_EN_SET
  1829. (params->cfg_rx2tx_lp_en) |
  1830. SD10G_LANE_LANE_06_CFG_TX2RX_LP_EN_SET
  1831. (params->cfg_tx2rx_lp_en),
  1832. SD10G_LANE_LANE_06_CFG_RX2TX_LP_EN |
  1833. SD10G_LANE_LANE_06_CFG_TX2RX_LP_EN,
  1834. sd_inst,
  1835. SD10G_LANE_LANE_06(sd_index));
  1836. sdx5_inst_rmw(SD10G_LANE_LANE_0E_CFG_RXLB_EN_SET(params->cfg_rxlb_en) |
  1837. SD10G_LANE_LANE_0E_CFG_TXLB_EN_SET(params->cfg_txlb_en),
  1838. SD10G_LANE_LANE_0E_CFG_RXLB_EN |
  1839. SD10G_LANE_LANE_0E_CFG_TXLB_EN,
  1840. sd_inst,
  1841. SD10G_LANE_LANE_0E(sd_index));
  1842. sdx5_rmw(SD_LANE_SD_LANE_CFG_MACRO_RST_SET(0),
  1843. SD_LANE_SD_LANE_CFG_MACRO_RST,
  1844. priv,
  1845. SD_LANE_SD_LANE_CFG(lane_index));
  1846. sdx5_inst_rmw(SD10G_LANE_LANE_50_CFG_SSC_RESETB_SET(1),
  1847. SD10G_LANE_LANE_50_CFG_SSC_RESETB,
  1848. sd_inst,
  1849. SD10G_LANE_LANE_50(sd_index));
  1850. sdx5_rmw(SD10G_LANE_LANE_50_CFG_SSC_RESETB_SET(1),
  1851. SD10G_LANE_LANE_50_CFG_SSC_RESETB,
  1852. priv,
  1853. SD10G_LANE_LANE_50(sd_index));
  1854. sdx5_rmw(SD_LANE_MISC_SD_125_RST_DIS_SET(params->fx_100),
  1855. SD_LANE_MISC_SD_125_RST_DIS,
  1856. priv,
  1857. SD_LANE_MISC(lane_index));
  1858. sdx5_rmw(SD_LANE_MISC_RX_ENA_SET(params->fx_100),
  1859. SD_LANE_MISC_RX_ENA,
  1860. priv,
  1861. SD_LANE_MISC(lane_index));
  1862. sdx5_rmw(SD_LANE_MISC_MUX_ENA_SET(params->fx_100),
  1863. SD_LANE_MISC_MUX_ENA,
  1864. priv,
  1865. SD_LANE_MISC(lane_index));
  1866. usleep_range(3000, 6000);
  1867. value = readl(sdx5_addr(regs, SD_LANE_SD_LANE_STAT(lane_index)));
  1868. value = SD_LANE_SD_LANE_STAT_PMA_RST_DONE_GET(value);
  1869. if (value != 1) {
  1870. dev_err(dev, "10G PMA Reset failed: 0x%x\n", value);
  1871. return -EINVAL;
  1872. }
  1873. sdx5_rmw(SD_LANE_SD_SER_RST_SER_RST_SET(0x0),
  1874. SD_LANE_SD_SER_RST_SER_RST,
  1875. priv,
  1876. SD_LANE_SD_SER_RST(lane_index));
  1877. sdx5_rmw(SD_LANE_SD_DES_RST_DES_RST_SET(0x0),
  1878. SD_LANE_SD_DES_RST_DES_RST,
  1879. priv,
  1880. SD_LANE_SD_DES_RST(lane_index));
  1881. return 0;
  1882. }
  1883. static int sparx5_sd25g28_config(struct sparx5_serdes_macro *macro, bool reset)
  1884. {
  1885. struct sparx5_sd25g28_media_preset media = media_presets_25g[macro->media];
  1886. struct sparx5_sd25g28_mode_preset mode;
  1887. struct sparx5_sd25g28_args args = {
  1888. .rxinvert = 1,
  1889. .txinvert = 0,
  1890. .txswing = 240,
  1891. .com_pll_reserve = 0xf,
  1892. .reg_rst = reset,
  1893. };
  1894. struct sparx5_sd25g28_params params;
  1895. int err;
  1896. err = sparx5_sd10g25_get_mode_preset(macro, &mode);
  1897. if (err)
  1898. return err;
  1899. sparx5_sd25g28_get_params(macro, &media, &mode, &args, &params);
  1900. sparx5_sd25g28_reset(macro->priv->regs, &params, macro->stpidx);
  1901. return sparx5_sd25g28_apply_params(macro, &params);
  1902. }
  1903. static int sparx5_sd10g28_config(struct sparx5_serdes_macro *macro, bool reset)
  1904. {
  1905. struct sparx5_sd10g28_media_preset media = media_presets_10g[macro->media];
  1906. struct sparx5_sd10g28_mode_preset mode;
  1907. struct sparx5_sd10g28_params params;
  1908. struct sparx5_sd10g28_args args = {
  1909. .is_6g = (macro->serdestype == SPX5_SDT_6G),
  1910. .txinvert = 0,
  1911. .rxinvert = 1,
  1912. .txswing = 240,
  1913. .reg_rst = reset,
  1914. .skip_cmu_cfg = reset,
  1915. };
  1916. int err;
  1917. err = sparx5_sd10g28_get_mode_preset(macro, &mode, &args);
  1918. if (err)
  1919. return err;
  1920. sparx5_sd10g28_get_params(macro, &media, &mode, &args, &params);
  1921. sparx5_sd10g28_reset(macro->priv->regs, macro->sidx);
  1922. return sparx5_sd10g28_apply_params(macro, &params);
  1923. }
  1924. /* Power down serdes TX driver */
  1925. static int sparx5_serdes_power_save(struct sparx5_serdes_macro *macro, u32 pwdn)
  1926. {
  1927. struct sparx5_serdes_private *priv = macro->priv;
  1928. void __iomem *sd_inst, *sd_lane_inst;
  1929. if (macro->serdestype == SPX5_SDT_6G)
  1930. sd_inst = sdx5_inst_get(priv, TARGET_SD6G_LANE, macro->stpidx);
  1931. else if (macro->serdestype == SPX5_SDT_10G)
  1932. sd_inst = sdx5_inst_get(priv, TARGET_SD10G_LANE, macro->stpidx);
  1933. else
  1934. sd_inst = sdx5_inst_get(priv, TARGET_SD25G_LANE, macro->stpidx);
  1935. if (macro->serdestype == SPX5_SDT_25G) {
  1936. sd_lane_inst = sdx5_inst_get(priv, TARGET_SD_LANE_25G,
  1937. macro->stpidx);
  1938. /* Take serdes out of reset */
  1939. sdx5_inst_rmw(SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST_SET(0),
  1940. SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST, sd_lane_inst,
  1941. SD_LANE_25G_SD_LANE_CFG(0));
  1942. /* Configure optimal settings for quiet mode */
  1943. sdx5_inst_rmw(SD_LANE_25G_QUIET_MODE_6G_QUIET_MODE_SET(SPX5_SERDES_QUIET_MODE_VAL),
  1944. SD_LANE_25G_QUIET_MODE_6G_QUIET_MODE,
  1945. sd_lane_inst, SD_LANE_25G_QUIET_MODE_6G(0));
  1946. sdx5_inst_rmw(SD25G_LANE_LANE_04_LN_CFG_PD_DRIVER_SET(pwdn),
  1947. SD25G_LANE_LANE_04_LN_CFG_PD_DRIVER,
  1948. sd_inst,
  1949. SD25G_LANE_LANE_04(0));
  1950. } else {
  1951. /* 6G and 10G */
  1952. sd_lane_inst = sdx5_inst_get(priv, TARGET_SD_LANE, macro->sidx);
  1953. /* Take serdes out of reset */
  1954. sdx5_inst_rmw(SD_LANE_SD_LANE_CFG_EXT_CFG_RST_SET(0),
  1955. SD_LANE_SD_LANE_CFG_EXT_CFG_RST, sd_lane_inst,
  1956. SD_LANE_SD_LANE_CFG(0));
  1957. /* Configure optimal settings for quiet mode */
  1958. sdx5_inst_rmw(SD_LANE_QUIET_MODE_6G_QUIET_MODE_SET(SPX5_SERDES_QUIET_MODE_VAL),
  1959. SD_LANE_QUIET_MODE_6G_QUIET_MODE, sd_lane_inst,
  1960. SD_LANE_QUIET_MODE_6G(0));
  1961. sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_PD_DRIVER_SET(pwdn),
  1962. SD10G_LANE_LANE_06_CFG_PD_DRIVER,
  1963. sd_inst,
  1964. SD10G_LANE_LANE_06(0));
  1965. }
  1966. return 0;
  1967. }
  1968. static int sparx5_serdes_clock_config(struct sparx5_serdes_macro *macro)
  1969. {
  1970. struct sparx5_serdes_private *priv = macro->priv;
  1971. /* Clock is auto-detected in 100Base-FX mode on lan969x */
  1972. if (priv->data->type == SPX5_TARGET_LAN969X)
  1973. return 0;
  1974. if (macro->serdesmode == SPX5_SD_MODE_100FX) {
  1975. u32 freq = priv->coreclock == 250000000 ? 2 :
  1976. priv->coreclock == 500000000 ? 1 : 0;
  1977. sdx5_rmw(SD_LANE_MISC_CORE_CLK_FREQ_SET(freq),
  1978. SD_LANE_MISC_CORE_CLK_FREQ,
  1979. priv,
  1980. SD_LANE_MISC(macro->sidx));
  1981. }
  1982. return 0;
  1983. }
  1984. static int sparx5_serdes_get_serdesmode(phy_interface_t portmode, int speed)
  1985. {
  1986. switch (portmode) {
  1987. case PHY_INTERFACE_MODE_1000BASEX:
  1988. case PHY_INTERFACE_MODE_2500BASEX:
  1989. if (speed == SPEED_2500)
  1990. return SPX5_SD_MODE_2G5;
  1991. if (speed == SPEED_100)
  1992. return SPX5_SD_MODE_100FX;
  1993. return SPX5_SD_MODE_1000BASEX;
  1994. case PHY_INTERFACE_MODE_SGMII:
  1995. /* The same Serdes mode is used for both SGMII and 1000BaseX */
  1996. return SPX5_SD_MODE_1000BASEX;
  1997. case PHY_INTERFACE_MODE_QSGMII:
  1998. return SPX5_SD_MODE_QSGMII;
  1999. case PHY_INTERFACE_MODE_10GBASER:
  2000. return SPX5_SD_MODE_SFI;
  2001. default:
  2002. return -EINVAL;
  2003. }
  2004. }
  2005. static int sparx5_serdes_config(struct sparx5_serdes_macro *macro)
  2006. {
  2007. struct device *dev = macro->priv->dev;
  2008. int serdesmode;
  2009. int err;
  2010. serdesmode = sparx5_serdes_get_serdesmode(macro->portmode, macro->speed);
  2011. if (serdesmode < 0) {
  2012. dev_err(dev, "SerDes %u, interface not supported: %s\n",
  2013. macro->sidx,
  2014. phy_modes(macro->portmode));
  2015. return serdesmode;
  2016. }
  2017. macro->serdesmode = serdesmode;
  2018. sparx5_serdes_clock_config(macro);
  2019. if (macro->serdestype == SPX5_SDT_25G)
  2020. err = sparx5_sd25g28_config(macro, false);
  2021. else
  2022. err = sparx5_sd10g28_config(macro, false);
  2023. if (err) {
  2024. dev_err(dev, "SerDes %u, config error: %d\n",
  2025. macro->sidx, err);
  2026. }
  2027. return err;
  2028. }
  2029. static int sparx5_serdes_power_on(struct phy *phy)
  2030. {
  2031. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2032. return sparx5_serdes_power_save(macro, false);
  2033. }
  2034. static int sparx5_serdes_power_off(struct phy *phy)
  2035. {
  2036. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2037. return sparx5_serdes_power_save(macro, true);
  2038. }
  2039. static int sparx5_serdes_set_mode(struct phy *phy, enum phy_mode mode, int submode)
  2040. {
  2041. struct sparx5_serdes_macro *macro;
  2042. if (mode != PHY_MODE_ETHERNET)
  2043. return -EINVAL;
  2044. switch (submode) {
  2045. case PHY_INTERFACE_MODE_1000BASEX:
  2046. case PHY_INTERFACE_MODE_2500BASEX:
  2047. case PHY_INTERFACE_MODE_SGMII:
  2048. case PHY_INTERFACE_MODE_QSGMII:
  2049. case PHY_INTERFACE_MODE_10GBASER:
  2050. macro = phy_get_drvdata(phy);
  2051. macro->portmode = submode;
  2052. sparx5_serdes_config(macro);
  2053. return 0;
  2054. default:
  2055. return -EINVAL;
  2056. }
  2057. }
  2058. static int sparx5_serdes_set_media(struct phy *phy, enum phy_media media)
  2059. {
  2060. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2061. if (media != macro->media) {
  2062. macro->media = media;
  2063. if (macro->serdesmode != SPX5_SD_MODE_NONE)
  2064. sparx5_serdes_config(macro);
  2065. }
  2066. return 0;
  2067. }
  2068. static int sparx5_serdes_set_speed(struct phy *phy, int speed)
  2069. {
  2070. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2071. if (macro->priv->data->type == SPX5_TARGET_SPARX5) {
  2072. if (macro->sidx < SPX5_SERDES_10G_START && speed > SPEED_5000)
  2073. return -EINVAL;
  2074. if (macro->sidx < SPX5_SERDES_25G_START && speed > SPEED_10000)
  2075. return -EINVAL;
  2076. }
  2077. if (speed != macro->speed) {
  2078. macro->speed = speed;
  2079. if (macro->serdesmode != SPX5_SD_MODE_NONE)
  2080. sparx5_serdes_config(macro);
  2081. }
  2082. return 0;
  2083. }
  2084. static int sparx5_serdes_reset(struct phy *phy)
  2085. {
  2086. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2087. int err;
  2088. if (macro->serdestype == SPX5_SDT_25G)
  2089. err = sparx5_sd25g28_config(macro, true);
  2090. else
  2091. err = sparx5_sd10g28_config(macro, true);
  2092. if (err) {
  2093. dev_err(&phy->dev, "SerDes %u, reset error: %d\n",
  2094. macro->sidx, err);
  2095. }
  2096. return err;
  2097. }
  2098. static int sparx5_serdes_validate(struct phy *phy, enum phy_mode mode,
  2099. int submode,
  2100. union phy_configure_opts *opts)
  2101. {
  2102. struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
  2103. if (mode != PHY_MODE_ETHERNET)
  2104. return -EINVAL;
  2105. if (macro->speed == 0)
  2106. return -EINVAL;
  2107. if (macro->priv->data->type == SPX5_TARGET_SPARX5) {
  2108. if (macro->sidx < SPX5_SERDES_10G_START &&
  2109. macro->speed > SPEED_5000)
  2110. return -EINVAL;
  2111. if (macro->sidx < SPX5_SERDES_25G_START &&
  2112. macro->speed > SPEED_10000)
  2113. return -EINVAL;
  2114. }
  2115. switch (submode) {
  2116. case PHY_INTERFACE_MODE_1000BASEX:
  2117. if (macro->speed != SPEED_100 && /* This is for 100BASE-FX */
  2118. macro->speed != SPEED_1000)
  2119. return -EINVAL;
  2120. break;
  2121. case PHY_INTERFACE_MODE_SGMII:
  2122. case PHY_INTERFACE_MODE_2500BASEX:
  2123. case PHY_INTERFACE_MODE_QSGMII:
  2124. if (macro->speed >= SPEED_5000)
  2125. return -EINVAL;
  2126. break;
  2127. case PHY_INTERFACE_MODE_10GBASER:
  2128. if (macro->speed < SPEED_5000)
  2129. return -EINVAL;
  2130. break;
  2131. default:
  2132. return -EINVAL;
  2133. }
  2134. return 0;
  2135. }
  2136. static const struct phy_ops sparx5_serdes_ops = {
  2137. .power_on = sparx5_serdes_power_on,
  2138. .power_off = sparx5_serdes_power_off,
  2139. .set_mode = sparx5_serdes_set_mode,
  2140. .set_media = sparx5_serdes_set_media,
  2141. .set_speed = sparx5_serdes_set_speed,
  2142. .reset = sparx5_serdes_reset,
  2143. .validate = sparx5_serdes_validate,
  2144. .owner = THIS_MODULE,
  2145. };
  2146. static void sparx5_serdes_type_set(struct sparx5_serdes_macro *macro, int sidx)
  2147. {
  2148. if (sidx < SPX5_SERDES_10G_START) {
  2149. macro->serdestype = SPX5_SDT_6G;
  2150. macro->stpidx = macro->sidx;
  2151. } else if (sidx < SPX5_SERDES_25G_START) {
  2152. macro->serdestype = SPX5_SDT_10G;
  2153. macro->stpidx = macro->sidx - SPX5_SERDES_10G_START;
  2154. } else {
  2155. macro->serdestype = SPX5_SDT_25G;
  2156. macro->stpidx = macro->sidx - SPX5_SERDES_25G_START;
  2157. }
  2158. }
  2159. static void lan969x_serdes_type_set(struct sparx5_serdes_macro *macro, int sidx)
  2160. {
  2161. macro->serdestype = SPX5_SDT_10G;
  2162. macro->stpidx = macro->sidx;
  2163. }
  2164. static int sparx5_phy_create(struct sparx5_serdes_private *priv,
  2165. int idx, struct phy **phy)
  2166. {
  2167. struct sparx5_serdes_macro *macro;
  2168. *phy = devm_phy_create(priv->dev, NULL, &sparx5_serdes_ops);
  2169. if (IS_ERR(*phy))
  2170. return PTR_ERR(*phy);
  2171. macro = devm_kzalloc(priv->dev, sizeof(*macro), GFP_KERNEL);
  2172. if (!macro)
  2173. return -ENOMEM;
  2174. macro->sidx = idx;
  2175. macro->priv = priv;
  2176. macro->speed = SPEED_UNKNOWN;
  2177. priv->data->ops.serdes_type_set(macro, idx);
  2178. phy_set_drvdata(*phy, macro);
  2179. /* Power off serdes by default */
  2180. sparx5_serdes_power_off(*phy);
  2181. return 0;
  2182. }
  2183. static struct sparx5_serdes_io_resource sparx5_serdes_iomap[] = {
  2184. { TARGET_SD_CMU, 0x0 }, /* 0x610808000: sd_cmu_0 */
  2185. { TARGET_SD_CMU + 1, 0x8000 }, /* 0x610810000: sd_cmu_1 */
  2186. { TARGET_SD_CMU + 2, 0x10000 }, /* 0x610818000: sd_cmu_2 */
  2187. { TARGET_SD_CMU + 3, 0x18000 }, /* 0x610820000: sd_cmu_3 */
  2188. { TARGET_SD_CMU + 4, 0x20000 }, /* 0x610828000: sd_cmu_4 */
  2189. { TARGET_SD_CMU + 5, 0x28000 }, /* 0x610830000: sd_cmu_5 */
  2190. { TARGET_SD_CMU + 6, 0x30000 }, /* 0x610838000: sd_cmu_6 */
  2191. { TARGET_SD_CMU + 7, 0x38000 }, /* 0x610840000: sd_cmu_7 */
  2192. { TARGET_SD_CMU + 8, 0x40000 }, /* 0x610848000: sd_cmu_8 */
  2193. { TARGET_SD_CMU_CFG, 0x48000 }, /* 0x610850000: sd_cmu_cfg_0 */
  2194. { TARGET_SD_CMU_CFG + 1, 0x50000 }, /* 0x610858000: sd_cmu_cfg_1 */
  2195. { TARGET_SD_CMU_CFG + 2, 0x58000 }, /* 0x610860000: sd_cmu_cfg_2 */
  2196. { TARGET_SD_CMU_CFG + 3, 0x60000 }, /* 0x610868000: sd_cmu_cfg_3 */
  2197. { TARGET_SD_CMU_CFG + 4, 0x68000 }, /* 0x610870000: sd_cmu_cfg_4 */
  2198. { TARGET_SD_CMU_CFG + 5, 0x70000 }, /* 0x610878000: sd_cmu_cfg_5 */
  2199. { TARGET_SD_CMU_CFG + 6, 0x78000 }, /* 0x610880000: sd_cmu_cfg_6 */
  2200. { TARGET_SD_CMU_CFG + 7, 0x80000 }, /* 0x610888000: sd_cmu_cfg_7 */
  2201. { TARGET_SD_CMU_CFG + 8, 0x88000 }, /* 0x610890000: sd_cmu_cfg_8 */
  2202. { TARGET_SD6G_LANE, 0x90000 }, /* 0x610898000: sd6g_lane_0 */
  2203. { TARGET_SD6G_LANE + 1, 0x98000 }, /* 0x6108a0000: sd6g_lane_1 */
  2204. { TARGET_SD6G_LANE + 2, 0xa0000 }, /* 0x6108a8000: sd6g_lane_2 */
  2205. { TARGET_SD6G_LANE + 3, 0xa8000 }, /* 0x6108b0000: sd6g_lane_3 */
  2206. { TARGET_SD6G_LANE + 4, 0xb0000 }, /* 0x6108b8000: sd6g_lane_4 */
  2207. { TARGET_SD6G_LANE + 5, 0xb8000 }, /* 0x6108c0000: sd6g_lane_5 */
  2208. { TARGET_SD6G_LANE + 6, 0xc0000 }, /* 0x6108c8000: sd6g_lane_6 */
  2209. { TARGET_SD6G_LANE + 7, 0xc8000 }, /* 0x6108d0000: sd6g_lane_7 */
  2210. { TARGET_SD6G_LANE + 8, 0xd0000 }, /* 0x6108d8000: sd6g_lane_8 */
  2211. { TARGET_SD6G_LANE + 9, 0xd8000 }, /* 0x6108e0000: sd6g_lane_9 */
  2212. { TARGET_SD6G_LANE + 10, 0xe0000 }, /* 0x6108e8000: sd6g_lane_10 */
  2213. { TARGET_SD6G_LANE + 11, 0xe8000 }, /* 0x6108f0000: sd6g_lane_11 */
  2214. { TARGET_SD6G_LANE + 12, 0xf0000 }, /* 0x6108f8000: sd6g_lane_12 */
  2215. { TARGET_SD10G_LANE, 0xf8000 }, /* 0x610900000: sd10g_lane_0 */
  2216. { TARGET_SD10G_LANE + 1, 0x100000 }, /* 0x610908000: sd10g_lane_1 */
  2217. { TARGET_SD10G_LANE + 2, 0x108000 }, /* 0x610910000: sd10g_lane_2 */
  2218. { TARGET_SD10G_LANE + 3, 0x110000 }, /* 0x610918000: sd10g_lane_3 */
  2219. { TARGET_SD_LANE, 0x1a0000 }, /* 0x6109a8000: sd_lane_0 */
  2220. { TARGET_SD_LANE + 1, 0x1a8000 }, /* 0x6109b0000: sd_lane_1 */
  2221. { TARGET_SD_LANE + 2, 0x1b0000 }, /* 0x6109b8000: sd_lane_2 */
  2222. { TARGET_SD_LANE + 3, 0x1b8000 }, /* 0x6109c0000: sd_lane_3 */
  2223. { TARGET_SD_LANE + 4, 0x1c0000 }, /* 0x6109c8000: sd_lane_4 */
  2224. { TARGET_SD_LANE + 5, 0x1c8000 }, /* 0x6109d0000: sd_lane_5 */
  2225. { TARGET_SD_LANE + 6, 0x1d0000 }, /* 0x6109d8000: sd_lane_6 */
  2226. { TARGET_SD_LANE + 7, 0x1d8000 }, /* 0x6109e0000: sd_lane_7 */
  2227. { TARGET_SD_LANE + 8, 0x1e0000 }, /* 0x6109e8000: sd_lane_8 */
  2228. { TARGET_SD_LANE + 9, 0x1e8000 }, /* 0x6109f0000: sd_lane_9 */
  2229. { TARGET_SD_LANE + 10, 0x1f0000 }, /* 0x6109f8000: sd_lane_10 */
  2230. { TARGET_SD_LANE + 11, 0x1f8000 }, /* 0x610a00000: sd_lane_11 */
  2231. { TARGET_SD_LANE + 12, 0x200000 }, /* 0x610a08000: sd_lane_12 */
  2232. { TARGET_SD_LANE + 13, 0x208000 }, /* 0x610a10000: sd_lane_13 */
  2233. { TARGET_SD_LANE + 14, 0x210000 }, /* 0x610a18000: sd_lane_14 */
  2234. { TARGET_SD_LANE + 15, 0x218000 }, /* 0x610a20000: sd_lane_15 */
  2235. { TARGET_SD_LANE + 16, 0x220000 }, /* 0x610a28000: sd_lane_16 */
  2236. { TARGET_SD_CMU + 9, 0x400000 }, /* 0x610c08000: sd_cmu_9 */
  2237. { TARGET_SD_CMU + 10, 0x408000 }, /* 0x610c10000: sd_cmu_10 */
  2238. { TARGET_SD_CMU + 11, 0x410000 }, /* 0x610c18000: sd_cmu_11 */
  2239. { TARGET_SD_CMU + 12, 0x418000 }, /* 0x610c20000: sd_cmu_12 */
  2240. { TARGET_SD_CMU + 13, 0x420000 }, /* 0x610c28000: sd_cmu_13 */
  2241. { TARGET_SD_CMU_CFG + 9, 0x428000 }, /* 0x610c30000: sd_cmu_cfg_9 */
  2242. { TARGET_SD_CMU_CFG + 10, 0x430000 }, /* 0x610c38000: sd_cmu_cfg_10 */
  2243. { TARGET_SD_CMU_CFG + 11, 0x438000 }, /* 0x610c40000: sd_cmu_cfg_11 */
  2244. { TARGET_SD_CMU_CFG + 12, 0x440000 }, /* 0x610c48000: sd_cmu_cfg_12 */
  2245. { TARGET_SD_CMU_CFG + 13, 0x448000 }, /* 0x610c50000: sd_cmu_cfg_13 */
  2246. { TARGET_SD10G_LANE + 4, 0x450000 }, /* 0x610c58000: sd10g_lane_4 */
  2247. { TARGET_SD10G_LANE + 5, 0x458000 }, /* 0x610c60000: sd10g_lane_5 */
  2248. { TARGET_SD10G_LANE + 6, 0x460000 }, /* 0x610c68000: sd10g_lane_6 */
  2249. { TARGET_SD10G_LANE + 7, 0x468000 }, /* 0x610c70000: sd10g_lane_7 */
  2250. { TARGET_SD10G_LANE + 8, 0x470000 }, /* 0x610c78000: sd10g_lane_8 */
  2251. { TARGET_SD10G_LANE + 9, 0x478000 }, /* 0x610c80000: sd10g_lane_9 */
  2252. { TARGET_SD10G_LANE + 10, 0x480000 }, /* 0x610c88000: sd10g_lane_10 */
  2253. { TARGET_SD10G_LANE + 11, 0x488000 }, /* 0x610c90000: sd10g_lane_11 */
  2254. { TARGET_SD25G_LANE, 0x490000 }, /* 0x610c98000: sd25g_lane_0 */
  2255. { TARGET_SD25G_LANE + 1, 0x498000 }, /* 0x610ca0000: sd25g_lane_1 */
  2256. { TARGET_SD25G_LANE + 2, 0x4a0000 }, /* 0x610ca8000: sd25g_lane_2 */
  2257. { TARGET_SD25G_LANE + 3, 0x4a8000 }, /* 0x610cb0000: sd25g_lane_3 */
  2258. { TARGET_SD25G_LANE + 4, 0x4b0000 }, /* 0x610cb8000: sd25g_lane_4 */
  2259. { TARGET_SD25G_LANE + 5, 0x4b8000 }, /* 0x610cc0000: sd25g_lane_5 */
  2260. { TARGET_SD25G_LANE + 6, 0x4c0000 }, /* 0x610cc8000: sd25g_lane_6 */
  2261. { TARGET_SD25G_LANE + 7, 0x4c8000 }, /* 0x610cd0000: sd25g_lane_7 */
  2262. { TARGET_SD_LANE + 17, 0x550000 }, /* 0x610d58000: sd_lane_17 */
  2263. { TARGET_SD_LANE + 18, 0x558000 }, /* 0x610d60000: sd_lane_18 */
  2264. { TARGET_SD_LANE + 19, 0x560000 }, /* 0x610d68000: sd_lane_19 */
  2265. { TARGET_SD_LANE + 20, 0x568000 }, /* 0x610d70000: sd_lane_20 */
  2266. { TARGET_SD_LANE + 21, 0x570000 }, /* 0x610d78000: sd_lane_21 */
  2267. { TARGET_SD_LANE + 22, 0x578000 }, /* 0x610d80000: sd_lane_22 */
  2268. { TARGET_SD_LANE + 23, 0x580000 }, /* 0x610d88000: sd_lane_23 */
  2269. { TARGET_SD_LANE + 24, 0x588000 }, /* 0x610d90000: sd_lane_24 */
  2270. { TARGET_SD_LANE_25G, 0x590000 }, /* 0x610d98000: sd_lane_25g_25 */
  2271. { TARGET_SD_LANE_25G + 1, 0x598000 }, /* 0x610da0000: sd_lane_25g_26 */
  2272. { TARGET_SD_LANE_25G + 2, 0x5a0000 }, /* 0x610da8000: sd_lane_25g_27 */
  2273. { TARGET_SD_LANE_25G + 3, 0x5a8000 }, /* 0x610db0000: sd_lane_25g_28 */
  2274. { TARGET_SD_LANE_25G + 4, 0x5b0000 }, /* 0x610db8000: sd_lane_25g_29 */
  2275. { TARGET_SD_LANE_25G + 5, 0x5b8000 }, /* 0x610dc0000: sd_lane_25g_30 */
  2276. { TARGET_SD_LANE_25G + 6, 0x5c0000 }, /* 0x610dc8000: sd_lane_25g_31 */
  2277. { TARGET_SD_LANE_25G + 7, 0x5c8000 }, /* 0x610dd0000: sd_lane_25g_32 */
  2278. };
  2279. static const struct sparx5_serdes_io_resource lan969x_serdes_iomap[] = {
  2280. { TARGET_SD_CMU, 0x0 }, /* 0xe3410000 */
  2281. { TARGET_SD_CMU + 1, 0x8000 }, /* 0xe3418000 */
  2282. { TARGET_SD_CMU + 2, 0x10000 }, /* 0xe3420000 */
  2283. { TARGET_SD_CMU + 3, 0x18000 }, /* 0xe3428000 */
  2284. { TARGET_SD_CMU + 4, 0x20000 }, /* 0xe3430000 */
  2285. { TARGET_SD_CMU + 5, 0x28000 }, /* 0xe3438000 */
  2286. { TARGET_SD_CMU_CFG, 0x30000 }, /* 0xe3440000 */
  2287. { TARGET_SD_CMU_CFG + 1, 0x38000 }, /* 0xe3448000 */
  2288. { TARGET_SD_CMU_CFG + 2, 0x40000 }, /* 0xe3450000 */
  2289. { TARGET_SD_CMU_CFG + 3, 0x48000 }, /* 0xe3458000 */
  2290. { TARGET_SD_CMU_CFG + 4, 0x50000 }, /* 0xe3460000 */
  2291. { TARGET_SD_CMU_CFG + 5, 0x58000 }, /* 0xe3468000 */
  2292. { TARGET_SD10G_LANE, 0x60000 }, /* 0xe3470000 */
  2293. { TARGET_SD10G_LANE + 1, 0x68000 }, /* 0xe3478000 */
  2294. { TARGET_SD10G_LANE + 2, 0x70000 }, /* 0xe3480000 */
  2295. { TARGET_SD10G_LANE + 3, 0x78000 }, /* 0xe3488000 */
  2296. { TARGET_SD10G_LANE + 4, 0x80000 }, /* 0xe3490000 */
  2297. { TARGET_SD10G_LANE + 5, 0x88000 }, /* 0xe3498000 */
  2298. { TARGET_SD10G_LANE + 6, 0x90000 }, /* 0xe34a0000 */
  2299. { TARGET_SD10G_LANE + 7, 0x98000 }, /* 0xe34a8000 */
  2300. { TARGET_SD10G_LANE + 8, 0xa0000 }, /* 0xe34b0000 */
  2301. { TARGET_SD10G_LANE + 9, 0xa8000 }, /* 0xe34b8000 */
  2302. { TARGET_SD_LANE, 0x100000 }, /* 0xe3510000 */
  2303. { TARGET_SD_LANE + 1, 0x108000 }, /* 0xe3518000 */
  2304. { TARGET_SD_LANE + 2, 0x110000 }, /* 0xe3520000 */
  2305. { TARGET_SD_LANE + 3, 0x118000 }, /* 0xe3528000 */
  2306. { TARGET_SD_LANE + 4, 0x120000 }, /* 0xe3530000 */
  2307. { TARGET_SD_LANE + 5, 0x128000 }, /* 0xe3538000 */
  2308. { TARGET_SD_LANE + 6, 0x130000 }, /* 0xe3540000 */
  2309. { TARGET_SD_LANE + 7, 0x138000 }, /* 0xe3548000 */
  2310. { TARGET_SD_LANE + 8, 0x140000 }, /* 0xe3550000 */
  2311. { TARGET_SD_LANE + 9, 0x148000 }, /* 0xe3558000 */
  2312. };
  2313. static const struct sparx5_serdes_match_data sparx5_desc = {
  2314. .type = SPX5_TARGET_SPARX5,
  2315. .iomap = sparx5_serdes_iomap,
  2316. .iomap_size = ARRAY_SIZE(sparx5_serdes_iomap),
  2317. .tsize = sparx5_serdes_tsize,
  2318. .consts = {
  2319. .sd_max = 33,
  2320. .cmu_max = 14,
  2321. },
  2322. .ops = {
  2323. .serdes_type_set = &sparx5_serdes_type_set,
  2324. .serdes_cmu_get = &sparx5_serdes_cmu_get,
  2325. },
  2326. };
  2327. static const struct sparx5_serdes_match_data lan969x_desc = {
  2328. .type = SPX5_TARGET_LAN969X,
  2329. .iomap = lan969x_serdes_iomap,
  2330. .iomap_size = ARRAY_SIZE(lan969x_serdes_iomap),
  2331. .tsize = lan969x_serdes_tsize,
  2332. .consts = {
  2333. .sd_max = 10,
  2334. .cmu_max = 6,
  2335. },
  2336. .ops = {
  2337. .serdes_type_set = &lan969x_serdes_type_set,
  2338. .serdes_cmu_get = &lan969x_serdes_cmu_get,
  2339. }
  2340. };
  2341. /* Client lookup function, uses serdes index */
  2342. static struct phy *sparx5_serdes_xlate(struct device *dev,
  2343. const struct of_phandle_args *args)
  2344. {
  2345. struct sparx5_serdes_private *priv = dev_get_drvdata(dev);
  2346. int idx;
  2347. unsigned int sidx;
  2348. if (args->args_count != 1)
  2349. return ERR_PTR(-EINVAL);
  2350. sidx = args->args[0];
  2351. /* Check validity: ERR_PTR(-ENODEV) if not valid */
  2352. for (idx = 0; idx < priv->data->consts.sd_max; idx++) {
  2353. struct sparx5_serdes_macro *macro =
  2354. phy_get_drvdata(priv->phys[idx]);
  2355. if (sidx != macro->sidx)
  2356. continue;
  2357. return priv->phys[idx];
  2358. }
  2359. return ERR_PTR(-ENODEV);
  2360. }
  2361. static int sparx5_serdes_probe(struct platform_device *pdev)
  2362. {
  2363. struct device_node *np = pdev->dev.of_node;
  2364. struct sparx5_serdes_private *priv;
  2365. struct phy_provider *provider;
  2366. struct resource *iores;
  2367. void __iomem *iomem;
  2368. unsigned long clock;
  2369. struct clk *clk;
  2370. int idx;
  2371. int err;
  2372. if (!np && !pdev->dev.platform_data)
  2373. return -ENODEV;
  2374. priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
  2375. if (!priv)
  2376. return -ENOMEM;
  2377. platform_set_drvdata(pdev, priv);
  2378. priv->dev = &pdev->dev;
  2379. priv->data = device_get_match_data(priv->dev);
  2380. if (!priv->data)
  2381. return -EINVAL;
  2382. tsize = priv->data->tsize;
  2383. /* Get coreclock */
  2384. clk = devm_clk_get(priv->dev, NULL);
  2385. if (IS_ERR(clk)) {
  2386. dev_err(priv->dev, "Failed to get coreclock\n");
  2387. return PTR_ERR(clk);
  2388. }
  2389. clock = clk_get_rate(clk);
  2390. if (clock == 0) {
  2391. dev_err(priv->dev, "Invalid coreclock %lu\n", clock);
  2392. return -EINVAL;
  2393. }
  2394. priv->coreclock = clock;
  2395. iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  2396. if (!iores) {
  2397. dev_err(priv->dev, "Invalid resource\n");
  2398. return -EINVAL;
  2399. }
  2400. iomem = devm_ioremap(priv->dev, iores->start, resource_size(iores));
  2401. if (!iomem) {
  2402. dev_err(priv->dev, "Unable to get serdes registers: %s\n",
  2403. iores->name);
  2404. return -ENOMEM;
  2405. }
  2406. for (idx = 0; idx < priv->data->iomap_size; idx++) {
  2407. const struct sparx5_serdes_io_resource *iomap =
  2408. &priv->data->iomap[idx];
  2409. priv->regs[iomap->id] = iomem + iomap->offset;
  2410. }
  2411. for (idx = 0; idx < priv->data->consts.sd_max; idx++) {
  2412. err = sparx5_phy_create(priv, idx, &priv->phys[idx]);
  2413. if (err)
  2414. return err;
  2415. }
  2416. /* Power down all CMU's by default */
  2417. if (priv->data->type == SPX5_TARGET_SPARX5)
  2418. sparx5_serdes_cmu_power_off(priv);
  2419. provider = devm_of_phy_provider_register(priv->dev, sparx5_serdes_xlate);
  2420. return PTR_ERR_OR_ZERO(provider);
  2421. }
  2422. static const struct of_device_id sparx5_serdes_match[] = {
  2423. { .compatible = "microchip,sparx5-serdes", .data = &sparx5_desc },
  2424. { .compatible = "microchip,lan9691-serdes", .data = &lan969x_desc },
  2425. { }
  2426. };
  2427. MODULE_DEVICE_TABLE(of, sparx5_serdes_match);
  2428. static struct platform_driver sparx5_serdes_driver = {
  2429. .probe = sparx5_serdes_probe,
  2430. .driver = {
  2431. .name = "sparx5-serdes",
  2432. .of_match_table = sparx5_serdes_match,
  2433. },
  2434. };
  2435. module_platform_driver(sparx5_serdes_driver);
  2436. MODULE_DESCRIPTION("Microchip Sparx5 switch serdes driver");
  2437. MODULE_AUTHOR("Steen Hegelund <steen.hegelund@microchip.com>");
  2438. MODULE_LICENSE("GPL v2");