| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* Microchip Sparx5 Switch SerDes driver |
| * |
| * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. |
| * |
| * The Sparx5 Chip Register Model can be browsed at this location: |
| * https://github.com/microchip-ung/sparx-5_reginfo |
| * and the datasheet is available here: |
| * https://ww1.microchip.com/downloads/en/DeviceDoc/SparX-5_Family_L2L3_Enterprise_10G_Ethernet_Switches_Datasheet_00003822B.pdf |
| */ |
| #include <linux/printk.h> |
| #include <linux/module.h> |
| #include <linux/device.h> |
| #include <linux/netdevice.h> |
| #include <linux/platform_device.h> |
| #include <linux/of.h> |
| #include <linux/io.h> |
| #include <linux/clk.h> |
| #include <linux/phy.h> |
| #include <linux/phy/phy.h> |
| |
| #include "sparx5_serdes.h" |
| |
| #define SPX5_CMU_MAX 14 |
| |
| #define SPX5_SERDES_10G_START 13 |
| #define SPX5_SERDES_25G_START 25 |
| |
| enum sparx5_10g28cmu_mode { |
| SPX5_SD10G28_CMU_MAIN = 0, |
| SPX5_SD10G28_CMU_AUX1 = 1, |
| SPX5_SD10G28_CMU_AUX2 = 3, |
| SPX5_SD10G28_CMU_NONE = 4, |
| }; |
| |
| enum sparx5_sd25g28_mode_preset_type { |
| SPX5_SD25G28_MODE_PRESET_25000, |
| SPX5_SD25G28_MODE_PRESET_10000, |
| SPX5_SD25G28_MODE_PRESET_5000, |
| SPX5_SD25G28_MODE_PRESET_SD_2G5, |
| SPX5_SD25G28_MODE_PRESET_1000BASEX, |
| }; |
| |
| enum sparx5_sd10g28_mode_preset_type { |
| SPX5_SD10G28_MODE_PRESET_10000, |
| SPX5_SD10G28_MODE_PRESET_SFI_5000_6G, |
| SPX5_SD10G28_MODE_PRESET_SFI_5000_10G, |
| SPX5_SD10G28_MODE_PRESET_QSGMII, |
| SPX5_SD10G28_MODE_PRESET_SD_2G5, |
| SPX5_SD10G28_MODE_PRESET_1000BASEX, |
| }; |
| |
| struct sparx5_serdes_io_resource { |
| enum sparx5_serdes_target id; |
| phys_addr_t offset; |
| }; |
| |
| struct sparx5_sd25g28_mode_preset { |
| u8 bitwidth; |
| u8 tx_pre_div; |
| u8 fifo_ck_div; |
| u8 pre_divsel; |
| u8 vco_div_mode; |
| u8 sel_div; |
| u8 ck_bitwidth; |
| u8 subrate; |
| u8 com_txcal_en; |
| u8 com_tx_reserve_msb; |
| u8 com_tx_reserve_lsb; |
| u8 cfg_itx_ipcml_base; |
| u8 tx_reserve_lsb; |
| u8 tx_reserve_msb; |
| u8 bw; |
| u8 rxterm; |
| u8 dfe_tap; |
| u8 dfe_enable; |
| bool txmargin; |
| u8 cfg_ctle_rstn; |
| u8 r_dfe_rstn; |
| u8 cfg_pi_bw_3_0; |
| u8 tx_tap_dly; |
| u8 tx_tap_adv; |
| }; |
| |
| struct sparx5_sd25g28_media_preset { |
| u8 cfg_eq_c_force_3_0; |
| u8 cfg_vga_ctrl_byp_4_0; |
| u8 cfg_eq_r_force_3_0; |
| u8 cfg_en_adv; |
| u8 cfg_en_main; |
| u8 cfg_en_dly; |
| u8 cfg_tap_adv_3_0; |
| u8 cfg_tap_main; |
| u8 cfg_tap_dly_4_0; |
| u8 cfg_alos_thr_2_0; |
| }; |
| |
| struct sparx5_sd25g28_args { |
| u8 if_width; /* UDL if-width: 10/16/20/32/64 */ |
| bool skip_cmu_cfg:1; /* Enable/disable CMU cfg */ |
| enum sparx5_10g28cmu_mode cmu_sel; /* Device/Mode serdes uses */ |
| bool no_pwrcycle:1; /* Omit initial power-cycle */ |
| bool txinvert:1; /* Enable inversion of output data */ |
| bool rxinvert:1; /* Enable inversion of input data */ |
| u16 txswing; /* Set output level */ |
| u8 rate; /* Rate of network interface */ |
| u8 pi_bw_gen1; |
| u8 duty_cycle; /* Set output level to half/full */ |
| bool mute:1; /* Mute Output Buffer */ |
| bool reg_rst:1; |
| u8 com_pll_reserve; |
| }; |
| |
| struct sparx5_sd25g28_params { |
| u8 reg_rst; |
| u8 cfg_jc_byp; |
| u8 cfg_common_reserve_7_0; |
| u8 r_reg_manual; |
| u8 r_d_width_ctrl_from_hwt; |
| u8 r_d_width_ctrl_2_0; |
| u8 r_txfifo_ck_div_pmad_2_0; |
| u8 r_rxfifo_ck_div_pmad_2_0; |
| u8 cfg_pll_lol_set; |
| u8 cfg_vco_div_mode_1_0; |
| u8 cfg_pre_divsel_1_0; |
| u8 cfg_sel_div_3_0; |
| u8 cfg_vco_start_code_3_0; |
| u8 cfg_pma_tx_ck_bitwidth_2_0; |
| u8 cfg_tx_prediv_1_0; |
| u8 cfg_rxdiv_sel_2_0; |
| u8 cfg_tx_subrate_2_0; |
| u8 cfg_rx_subrate_2_0; |
| u8 r_multi_lane_mode; |
| u8 cfg_cdrck_en; |
| u8 cfg_dfeck_en; |
| u8 cfg_dfe_pd; |
| u8 cfg_dfedmx_pd; |
| u8 cfg_dfetap_en_5_1; |
| u8 cfg_dmux_pd; |
| u8 cfg_dmux_clk_pd; |
| u8 cfg_erramp_pd; |
| u8 cfg_pi_dfe_en; |
| u8 cfg_pi_en; |
| u8 cfg_pd_ctle; |
| u8 cfg_summer_en; |
| u8 cfg_pmad_ck_pd; |
| u8 cfg_pd_clk; |
| u8 cfg_pd_cml; |
| u8 cfg_pd_driver; |
| u8 cfg_rx_reg_pu; |
| u8 cfg_pd_rms_det; |
| u8 cfg_dcdr_pd; |
| u8 cfg_ecdr_pd; |
| u8 cfg_pd_sq; |
| u8 cfg_itx_ipdriver_base_2_0; |
| u8 cfg_tap_dly_4_0; |
| u8 cfg_tap_main; |
| u8 cfg_en_main; |
| u8 cfg_tap_adv_3_0; |
| u8 cfg_en_adv; |
| u8 cfg_en_dly; |
| u8 cfg_iscan_en; |
| u8 l1_pcs_en_fast_iscan; |
| u8 l0_cfg_bw_1_0; |
| u8 l0_cfg_txcal_en; |
| u8 cfg_en_dummy; |
| u8 cfg_pll_reserve_3_0; |
| u8 l0_cfg_tx_reserve_15_8; |
| u8 l0_cfg_tx_reserve_7_0; |
| u8 cfg_tx_reserve_15_8; |
| u8 cfg_tx_reserve_7_0; |
| u8 cfg_bw_1_0; |
| u8 cfg_txcal_man_en; |
| u8 cfg_phase_man_4_0; |
| u8 cfg_quad_man_1_0; |
| u8 cfg_txcal_shift_code_5_0; |
| u8 cfg_txcal_valid_sel_3_0; |
| u8 cfg_txcal_en; |
| u8 cfg_cdr_kf_2_0; |
| u8 cfg_cdr_m_7_0; |
| u8 cfg_pi_bw_3_0; |
| u8 cfg_pi_steps_1_0; |
| u8 cfg_dis_2ndorder; |
| u8 cfg_ctle_rstn; |
| u8 r_dfe_rstn; |
| u8 cfg_alos_thr_2_0; |
| u8 cfg_itx_ipcml_base_1_0; |
| u8 cfg_rx_reserve_7_0; |
| u8 cfg_rx_reserve_15_8; |
| u8 cfg_rxterm_2_0; |
| u8 cfg_fom_selm; |
| u8 cfg_rx_sp_ctle_1_0; |
| u8 cfg_isel_ctle_1_0; |
| u8 cfg_vga_ctrl_byp_4_0; |
| u8 cfg_vga_byp; |
| u8 cfg_agc_adpt_byp; |
| u8 cfg_eqr_byp; |
| u8 cfg_eqr_force_3_0; |
| u8 cfg_eqc_force_3_0; |
| u8 cfg_sum_setcm_en; |
| u8 cfg_init_pos_iscan_6_0; |
| u8 cfg_init_pos_ipi_6_0; |
| u8 cfg_dfedig_m_2_0; |
| u8 cfg_en_dfedig; |
| u8 cfg_pi_DFE_en; |
| u8 cfg_tx2rx_lp_en; |
| u8 cfg_txlb_en; |
| u8 cfg_rx2tx_lp_en; |
| u8 cfg_rxlb_en; |
| u8 r_tx_pol_inv; |
| u8 r_rx_pol_inv; |
| }; |
| |
| struct sparx5_sd10g28_media_preset { |
| u8 cfg_en_adv; |
| u8 cfg_en_main; |
| u8 cfg_en_dly; |
| u8 cfg_tap_adv_3_0; |
| u8 cfg_tap_main; |
| u8 cfg_tap_dly_4_0; |
| u8 cfg_vga_ctrl_3_0; |
| u8 cfg_vga_cp_2_0; |
| u8 cfg_eq_res_3_0; |
| u8 cfg_eq_r_byp; |
| u8 cfg_eq_c_force_3_0; |
| u8 cfg_alos_thr_3_0; |
| }; |
| |
| struct sparx5_sd10g28_mode_preset { |
| u8 bwidth; /* interface width: 10/16/20/32/64 */ |
| enum sparx5_10g28cmu_mode cmu_sel; /* Device/Mode serdes uses */ |
| u8 rate; /* Rate of network interface */ |
| u8 dfe_tap; |
| u8 dfe_enable; |
| u8 pi_bw_gen1; |
| u8 duty_cycle; /* Set output level to half/full */ |
| }; |
| |
| struct sparx5_sd10g28_args { |
| bool skip_cmu_cfg:1; /* Enable/disable CMU cfg */ |
| bool no_pwrcycle:1; /* Omit initial power-cycle */ |
| bool txinvert:1; /* Enable inversion of output data */ |
| bool rxinvert:1; /* Enable inversion of input data */ |
| bool txmargin:1; /* Set output level to half/full */ |
| u16 txswing; /* Set output level */ |
| bool mute:1; /* Mute Output Buffer */ |
| bool is_6g:1; |
| bool reg_rst:1; |
| }; |
| |
| struct sparx5_sd10g28_params { |
| u8 cmu_sel; |
| u8 is_6g; |
| u8 skip_cmu_cfg; |
| u8 cfg_lane_reserve_7_0; |
| u8 cfg_ssc_rtl_clk_sel; |
| u8 cfg_lane_reserve_15_8; |
| u8 cfg_txrate_1_0; |
| u8 cfg_rxrate_1_0; |
| u8 r_d_width_ctrl_2_0; |
| u8 cfg_pma_tx_ck_bitwidth_2_0; |
| u8 cfg_rxdiv_sel_2_0; |
| u8 r_pcs2pma_phymode_4_0; |
| u8 cfg_lane_id_2_0; |
| u8 cfg_cdrck_en; |
| u8 cfg_dfeck_en; |
| u8 cfg_dfe_pd; |
| u8 cfg_dfetap_en_5_1; |
| u8 cfg_erramp_pd; |
| u8 cfg_pi_DFE_en; |
| u8 cfg_pi_en; |
| u8 cfg_pd_ctle; |
| u8 cfg_summer_en; |
| u8 cfg_pd_rx_cktree; |
| u8 cfg_pd_clk; |
| u8 cfg_pd_cml; |
| u8 cfg_pd_driver; |
| u8 cfg_rx_reg_pu; |
| u8 cfg_d_cdr_pd; |
| u8 cfg_pd_sq; |
| u8 cfg_rxdet_en; |
| u8 cfg_rxdet_str; |
| u8 r_multi_lane_mode; |
| u8 cfg_en_adv; |
| u8 cfg_en_main; |
| u8 cfg_en_dly; |
| u8 cfg_tap_adv_3_0; |
| u8 cfg_tap_main; |
| u8 cfg_tap_dly_4_0; |
| u8 cfg_vga_ctrl_3_0; |
| u8 cfg_vga_cp_2_0; |
| u8 cfg_eq_res_3_0; |
| u8 cfg_eq_r_byp; |
| u8 cfg_eq_c_force_3_0; |
| u8 cfg_en_dfedig; |
| u8 cfg_sum_setcm_en; |
| u8 cfg_en_preemph; |
| u8 cfg_itx_ippreemp_base_1_0; |
| u8 cfg_itx_ipdriver_base_2_0; |
| u8 cfg_ibias_tune_reserve_5_0; |
| u8 cfg_txswing_half; |
| u8 cfg_dis_2nd_order; |
| u8 cfg_rx_ssc_lh; |
| u8 cfg_pi_floop_steps_1_0; |
| u8 cfg_pi_ext_dac_23_16; |
| u8 cfg_pi_ext_dac_15_8; |
| u8 cfg_iscan_ext_dac_7_0; |
| u8 cfg_cdr_kf_gen1_2_0; |
| u8 cfg_cdr_kf_gen2_2_0; |
| u8 cfg_cdr_kf_gen3_2_0; |
| u8 cfg_cdr_kf_gen4_2_0; |
| u8 r_cdr_m_gen1_7_0; |
| u8 cfg_pi_bw_gen1_3_0; |
| u8 cfg_pi_bw_gen2; |
| u8 cfg_pi_bw_gen3; |
| u8 cfg_pi_bw_gen4; |
| u8 cfg_pi_ext_dac_7_0; |
| u8 cfg_pi_steps; |
| u8 cfg_mp_max_3_0; |
| u8 cfg_rstn_dfedig; |
| u8 cfg_alos_thr_3_0; |
| u8 cfg_predrv_slewrate_1_0; |
| u8 cfg_itx_ipcml_base_1_0; |
| u8 cfg_ip_pre_base_1_0; |
| u8 r_cdr_m_gen2_7_0; |
| u8 r_cdr_m_gen3_7_0; |
| u8 r_cdr_m_gen4_7_0; |
| u8 r_en_auto_cdr_rstn; |
| u8 cfg_oscal_afe; |
| u8 cfg_pd_osdac_afe; |
| u8 cfg_resetb_oscal_afe[2]; |
| u8 cfg_center_spreading; |
| u8 cfg_m_cnt_maxval_4_0; |
| u8 cfg_ncnt_maxval_7_0; |
| u8 cfg_ncnt_maxval_10_8; |
| u8 cfg_ssc_en; |
| u8 cfg_tx2rx_lp_en; |
| u8 cfg_txlb_en; |
| u8 cfg_rx2tx_lp_en; |
| u8 cfg_rxlb_en; |
| u8 r_tx_pol_inv; |
| u8 r_rx_pol_inv; |
| u8 fx_100; |
| }; |
| |
| static struct sparx5_sd25g28_media_preset media_presets_25g[] = { |
| { /* ETH_MEDIA_DEFAULT */ |
| .cfg_en_adv = 0, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 0, |
| .cfg_tap_adv_3_0 = 0, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 0, |
| .cfg_eq_c_force_3_0 = 0xf, |
| .cfg_vga_ctrl_byp_4_0 = 4, |
| .cfg_eq_r_force_3_0 = 12, |
| .cfg_alos_thr_2_0 = 7, |
| }, |
| { /* ETH_MEDIA_SR */ |
| .cfg_en_adv = 1, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 1, |
| .cfg_tap_adv_3_0 = 0, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 0x10, |
| .cfg_eq_c_force_3_0 = 0xf, |
| .cfg_vga_ctrl_byp_4_0 = 8, |
| .cfg_eq_r_force_3_0 = 4, |
| .cfg_alos_thr_2_0 = 0, |
| }, |
| { /* ETH_MEDIA_DAC */ |
| .cfg_en_adv = 0, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 0, |
| .cfg_tap_adv_3_0 = 0, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 0, |
| .cfg_eq_c_force_3_0 = 0xf, |
| .cfg_vga_ctrl_byp_4_0 = 8, |
| .cfg_eq_r_force_3_0 = 0xc, |
| .cfg_alos_thr_2_0 = 0, |
| }, |
| }; |
| |
| static struct sparx5_sd25g28_mode_preset mode_presets_25g[] = { |
| { /* SPX5_SD25G28_MODE_PRESET_25000 */ |
| .bitwidth = 40, |
| .tx_pre_div = 0, |
| .fifo_ck_div = 0, |
| .pre_divsel = 1, |
| .vco_div_mode = 0, |
| .sel_div = 15, |
| .ck_bitwidth = 3, |
| .subrate = 0, |
| .com_txcal_en = 0, |
| .com_tx_reserve_msb = (0x26 << 1), |
| .com_tx_reserve_lsb = 0xf0, |
| .cfg_itx_ipcml_base = 0, |
| .tx_reserve_msb = 0xcc, |
| .tx_reserve_lsb = 0xfe, |
| .bw = 3, |
| .rxterm = 0, |
| .dfe_enable = 1, |
| .dfe_tap = 0x1f, |
| .txmargin = 1, |
| .cfg_ctle_rstn = 1, |
| .r_dfe_rstn = 1, |
| .cfg_pi_bw_3_0 = 0, |
| .tx_tap_dly = 8, |
| .tx_tap_adv = 0xc, |
| }, |
| { /* SPX5_SD25G28_MODE_PRESET_10000 */ |
| .bitwidth = 64, |
| .tx_pre_div = 0, |
| .fifo_ck_div = 2, |
| .pre_divsel = 0, |
| .vco_div_mode = 1, |
| .sel_div = 9, |
| .ck_bitwidth = 0, |
| .subrate = 0, |
| .com_txcal_en = 1, |
| .com_tx_reserve_msb = (0x20 << 1), |
| .com_tx_reserve_lsb = 0x40, |
| .cfg_itx_ipcml_base = 0, |
| .tx_reserve_msb = 0x4c, |
| .tx_reserve_lsb = 0x44, |
| .bw = 3, |
| .cfg_pi_bw_3_0 = 0, |
| .rxterm = 3, |
| .dfe_enable = 1, |
| .dfe_tap = 0x1f, |
| .txmargin = 0, |
| .cfg_ctle_rstn = 1, |
| .r_dfe_rstn = 1, |
| .tx_tap_dly = 0, |
| .tx_tap_adv = 0, |
| }, |
| { /* SPX5_SD25G28_MODE_PRESET_5000 */ |
| .bitwidth = 64, |
| .tx_pre_div = 0, |
| .fifo_ck_div = 2, |
| .pre_divsel = 0, |
| .vco_div_mode = 2, |
| .sel_div = 9, |
| .ck_bitwidth = 0, |
| .subrate = 0, |
| .com_txcal_en = 1, |
| .com_tx_reserve_msb = (0x20 << 1), |
| .com_tx_reserve_lsb = 0, |
| .cfg_itx_ipcml_base = 0, |
| .tx_reserve_msb = 0xe, |
| .tx_reserve_lsb = 0x80, |
| .bw = 0, |
| .rxterm = 0, |
| .cfg_pi_bw_3_0 = 6, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .tx_tap_dly = 0, |
| .tx_tap_adv = 0, |
| }, |
| { /* SPX5_SD25G28_MODE_PRESET_SD_2G5 */ |
| .bitwidth = 10, |
| .tx_pre_div = 0, |
| .fifo_ck_div = 0, |
| .pre_divsel = 0, |
| .vco_div_mode = 1, |
| .sel_div = 6, |
| .ck_bitwidth = 3, |
| .subrate = 2, |
| .com_txcal_en = 1, |
| .com_tx_reserve_msb = (0x26 << 1), |
| .com_tx_reserve_lsb = (0xf << 4), |
| .cfg_itx_ipcml_base = 2, |
| .tx_reserve_msb = 0x8, |
| .tx_reserve_lsb = 0x8a, |
| .bw = 0, |
| .cfg_pi_bw_3_0 = 0, |
| .rxterm = (1 << 2), |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .tx_tap_dly = 0, |
| .tx_tap_adv = 0, |
| }, |
| { /* SPX5_SD25G28_MODE_PRESET_1000BASEX */ |
| .bitwidth = 10, |
| .tx_pre_div = 0, |
| .fifo_ck_div = 1, |
| .pre_divsel = 0, |
| .vco_div_mode = 1, |
| .sel_div = 8, |
| .ck_bitwidth = 3, |
| .subrate = 3, |
| .com_txcal_en = 1, |
| .com_tx_reserve_msb = (0x26 << 1), |
| .com_tx_reserve_lsb = 0xf0, |
| .cfg_itx_ipcml_base = 0, |
| .tx_reserve_msb = 0x8, |
| .tx_reserve_lsb = 0xce, |
| .bw = 0, |
| .rxterm = 0, |
| .cfg_pi_bw_3_0 = 0, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .tx_tap_dly = 0, |
| .tx_tap_adv = 0, |
| }, |
| }; |
| |
| static struct sparx5_sd10g28_media_preset media_presets_10g[] = { |
| { /* ETH_MEDIA_DEFAULT */ |
| .cfg_en_adv = 0, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 0, |
| .cfg_tap_adv_3_0 = 0, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 0, |
| .cfg_vga_ctrl_3_0 = 5, |
| .cfg_vga_cp_2_0 = 0, |
| .cfg_eq_res_3_0 = 0xa, |
| .cfg_eq_r_byp = 1, |
| .cfg_eq_c_force_3_0 = 0x8, |
| .cfg_alos_thr_3_0 = 0x3, |
| }, |
| { /* ETH_MEDIA_SR */ |
| .cfg_en_adv = 1, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 1, |
| .cfg_tap_adv_3_0 = 0, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 0xc, |
| .cfg_vga_ctrl_3_0 = 0xa, |
| .cfg_vga_cp_2_0 = 0x4, |
| .cfg_eq_res_3_0 = 0xa, |
| .cfg_eq_r_byp = 1, |
| .cfg_eq_c_force_3_0 = 0xF, |
| .cfg_alos_thr_3_0 = 0x3, |
| }, |
| { /* ETH_MEDIA_DAC */ |
| .cfg_en_adv = 1, |
| .cfg_en_main = 1, |
| .cfg_en_dly = 1, |
| .cfg_tap_adv_3_0 = 12, |
| .cfg_tap_main = 1, |
| .cfg_tap_dly_4_0 = 8, |
| .cfg_vga_ctrl_3_0 = 0xa, |
| .cfg_vga_cp_2_0 = 4, |
| .cfg_eq_res_3_0 = 0xa, |
| .cfg_eq_r_byp = 1, |
| .cfg_eq_c_force_3_0 = 0xf, |
| .cfg_alos_thr_3_0 = 0x0, |
| } |
| }; |
| |
| static struct sparx5_sd10g28_mode_preset mode_presets_10g[] = { |
| { /* SPX5_SD10G28_MODE_PRESET_10000 */ |
| .bwidth = 64, |
| .cmu_sel = SPX5_SD10G28_CMU_MAIN, |
| .rate = 0x0, |
| .dfe_enable = 1, |
| .dfe_tap = 0x1f, |
| .pi_bw_gen1 = 0x0, |
| .duty_cycle = 0x2, |
| }, |
| { /* SPX5_SD10G28_MODE_PRESET_SFI_5000_6G */ |
| .bwidth = 16, |
| .cmu_sel = SPX5_SD10G28_CMU_MAIN, |
| .rate = 0x1, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .pi_bw_gen1 = 0x5, |
| .duty_cycle = 0x0, |
| }, |
| { /* SPX5_SD10G28_MODE_PRESET_SFI_5000_10G */ |
| .bwidth = 64, |
| .cmu_sel = SPX5_SD10G28_CMU_MAIN, |
| .rate = 0x1, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .pi_bw_gen1 = 0x5, |
| .duty_cycle = 0x0, |
| }, |
| { /* SPX5_SD10G28_MODE_PRESET_QSGMII */ |
| .bwidth = 20, |
| .cmu_sel = SPX5_SD10G28_CMU_AUX1, |
| .rate = 0x1, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .pi_bw_gen1 = 0x5, |
| .duty_cycle = 0x0, |
| }, |
| { /* SPX5_SD10G28_MODE_PRESET_SD_2G5 */ |
| .bwidth = 10, |
| .cmu_sel = SPX5_SD10G28_CMU_AUX2, |
| .rate = 0x2, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .pi_bw_gen1 = 0x7, |
| .duty_cycle = 0x0, |
| }, |
| { /* SPX5_SD10G28_MODE_PRESET_1000BASEX */ |
| .bwidth = 10, |
| .cmu_sel = SPX5_SD10G28_CMU_AUX1, |
| .rate = 0x3, |
| .dfe_enable = 0, |
| .dfe_tap = 0, |
| .pi_bw_gen1 = 0x7, |
| .duty_cycle = 0x0, |
| }, |
| }; |
| |
| /* map from SD25G28 interface width to configuration value */ |
| static u8 sd25g28_get_iw_setting(struct device *dev, const u8 interface_width) |
| { |
| switch (interface_width) { |
| case 10: return 0; |
| case 16: return 1; |
| case 32: return 3; |
| case 40: return 4; |
| case 64: return 5; |
| default: |
| dev_err(dev, "%s: Illegal value %d for interface width\n", |
| __func__, interface_width); |
| } |
| return 0; |
| } |
| |
| /* map from SD10G28 interface width to configuration value */ |
| static u8 sd10g28_get_iw_setting(struct device *dev, const u8 interface_width) |
| { |
| switch (interface_width) { |
| case 10: return 0; |
| case 16: return 1; |
| case 20: return 2; |
| case 32: return 3; |
| case 40: return 4; |
| case 64: return 7; |
| default: |
| dev_err(dev, "%s: Illegal value %d for interface width\n", __func__, |
| interface_width); |
| return 0; |
| } |
| } |
| |
| static int sparx5_sd10g25_get_mode_preset(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd25g28_mode_preset *mode) |
| { |
| switch (macro->serdesmode) { |
| case SPX5_SD_MODE_SFI: |
| if (macro->speed == SPEED_25000) |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_25000]; |
| else if (macro->speed == SPEED_10000) |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_10000]; |
| else if (macro->speed == SPEED_5000) |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_5000]; |
| break; |
| case SPX5_SD_MODE_2G5: |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_SD_2G5]; |
| break; |
| case SPX5_SD_MODE_1000BASEX: |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_1000BASEX]; |
| break; |
| case SPX5_SD_MODE_100FX: |
| /* Not supported */ |
| return -EINVAL; |
| default: |
| *mode = mode_presets_25g[SPX5_SD25G28_MODE_PRESET_25000]; |
| break; |
| } |
| return 0; |
| } |
| |
| static int sparx5_sd10g28_get_mode_preset(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd10g28_mode_preset *mode, |
| struct sparx5_sd10g28_args *args) |
| { |
| switch (macro->serdesmode) { |
| case SPX5_SD_MODE_SFI: |
| if (macro->speed == SPEED_10000) { |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_10000]; |
| } else if (macro->speed == SPEED_5000) { |
| if (args->is_6g) |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SFI_5000_6G]; |
| else |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SFI_5000_10G]; |
| } else { |
| dev_err(macro->priv->dev, "%s: Illegal speed: %02u, sidx: %02u, mode (%u)", |
| __func__, macro->speed, macro->sidx, |
| macro->serdesmode); |
| return -EINVAL; |
| } |
| break; |
| case SPX5_SD_MODE_QSGMII: |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_QSGMII]; |
| break; |
| case SPX5_SD_MODE_2G5: |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_SD_2G5]; |
| break; |
| case SPX5_SD_MODE_100FX: |
| case SPX5_SD_MODE_1000BASEX: |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_1000BASEX]; |
| break; |
| default: |
| *mode = mode_presets_10g[SPX5_SD10G28_MODE_PRESET_10000]; |
| break; |
| } |
| return 0; |
| } |
| |
| static void sparx5_sd25g28_get_params(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd25g28_media_preset *media, |
| struct sparx5_sd25g28_mode_preset *mode, |
| struct sparx5_sd25g28_args *args, |
| struct sparx5_sd25g28_params *params) |
| { |
| u8 iw = sd25g28_get_iw_setting(macro->priv->dev, mode->bitwidth); |
| struct sparx5_sd25g28_params init = { |
| .r_d_width_ctrl_2_0 = iw, |
| .r_txfifo_ck_div_pmad_2_0 = mode->fifo_ck_div, |
| .r_rxfifo_ck_div_pmad_2_0 = mode->fifo_ck_div, |
| .cfg_vco_div_mode_1_0 = mode->vco_div_mode, |
| .cfg_pre_divsel_1_0 = mode->pre_divsel, |
| .cfg_sel_div_3_0 = mode->sel_div, |
| .cfg_vco_start_code_3_0 = 0, |
| .cfg_pma_tx_ck_bitwidth_2_0 = mode->ck_bitwidth, |
| .cfg_tx_prediv_1_0 = mode->tx_pre_div, |
| .cfg_rxdiv_sel_2_0 = mode->ck_bitwidth, |
| .cfg_tx_subrate_2_0 = mode->subrate, |
| .cfg_rx_subrate_2_0 = mode->subrate, |
| .r_multi_lane_mode = 0, |
| .cfg_cdrck_en = 1, |
| .cfg_dfeck_en = mode->dfe_enable, |
| .cfg_dfe_pd = mode->dfe_enable == 1 ? 0 : 1, |
| .cfg_dfedmx_pd = 1, |
| .cfg_dfetap_en_5_1 = mode->dfe_tap, |
| .cfg_dmux_pd = 0, |
| .cfg_dmux_clk_pd = 1, |
| .cfg_erramp_pd = mode->dfe_enable == 1 ? 0 : 1, |
| .cfg_pi_DFE_en = mode->dfe_enable, |
| .cfg_pi_en = 1, |
| .cfg_pd_ctle = 0, |
| .cfg_summer_en = 1, |
| .cfg_pmad_ck_pd = 0, |
| .cfg_pd_clk = 0, |
| .cfg_pd_cml = 0, |
| .cfg_pd_driver = 0, |
| .cfg_rx_reg_pu = 1, |
| .cfg_pd_rms_det = 1, |
| .cfg_dcdr_pd = 0, |
| .cfg_ecdr_pd = 1, |
| .cfg_pd_sq = 1, |
| .cfg_itx_ipdriver_base_2_0 = mode->txmargin, |
| .cfg_tap_dly_4_0 = media->cfg_tap_dly_4_0, |
| .cfg_tap_main = media->cfg_tap_main, |
| .cfg_en_main = media->cfg_en_main, |
| .cfg_tap_adv_3_0 = media->cfg_tap_adv_3_0, |
| .cfg_en_adv = media->cfg_en_adv, |
| .cfg_en_dly = media->cfg_en_dly, |
| .cfg_iscan_en = 0, |
| .l1_pcs_en_fast_iscan = 0, |
| .l0_cfg_bw_1_0 = 0, |
| .cfg_en_dummy = 0, |
| .cfg_pll_reserve_3_0 = args->com_pll_reserve, |
| .l0_cfg_txcal_en = mode->com_txcal_en, |
| .l0_cfg_tx_reserve_15_8 = mode->com_tx_reserve_msb, |
| .l0_cfg_tx_reserve_7_0 = mode->com_tx_reserve_lsb, |
| .cfg_tx_reserve_15_8 = mode->tx_reserve_msb, |
| .cfg_tx_reserve_7_0 = mode->tx_reserve_lsb, |
| .cfg_bw_1_0 = mode->bw, |
| .cfg_txcal_man_en = 1, |
| .cfg_phase_man_4_0 = 0, |
| .cfg_quad_man_1_0 = 0, |
| .cfg_txcal_shift_code_5_0 = 2, |
| .cfg_txcal_valid_sel_3_0 = 4, |
| .cfg_txcal_en = 0, |
| .cfg_cdr_kf_2_0 = 1, |
| .cfg_cdr_m_7_0 = 6, |
| .cfg_pi_bw_3_0 = mode->cfg_pi_bw_3_0, |
| .cfg_pi_steps_1_0 = 0, |
| .cfg_dis_2ndorder = 1, |
| .cfg_ctle_rstn = mode->cfg_ctle_rstn, |
| .r_dfe_rstn = mode->r_dfe_rstn, |
| .cfg_alos_thr_2_0 = media->cfg_alos_thr_2_0, |
| .cfg_itx_ipcml_base_1_0 = mode->cfg_itx_ipcml_base, |
| .cfg_rx_reserve_7_0 = 0xbf, |
| .cfg_rx_reserve_15_8 = 0x61, |
| .cfg_rxterm_2_0 = mode->rxterm, |
| .cfg_fom_selm = 0, |
| .cfg_rx_sp_ctle_1_0 = 0, |
| .cfg_isel_ctle_1_0 = 0, |
| .cfg_vga_ctrl_byp_4_0 = media->cfg_vga_ctrl_byp_4_0, |
| .cfg_vga_byp = 1, |
| .cfg_agc_adpt_byp = 1, |
| .cfg_eqr_byp = 1, |
| .cfg_eqr_force_3_0 = media->cfg_eq_r_force_3_0, |
| .cfg_eqc_force_3_0 = media->cfg_eq_c_force_3_0, |
| .cfg_sum_setcm_en = 1, |
| .cfg_pi_dfe_en = 1, |
| .cfg_init_pos_iscan_6_0 = 6, |
| .cfg_init_pos_ipi_6_0 = 9, |
| .cfg_dfedig_m_2_0 = 6, |
| .cfg_en_dfedig = mode->dfe_enable, |
| .r_d_width_ctrl_from_hwt = 0, |
| .r_reg_manual = 1, |
| .reg_rst = args->reg_rst, |
| .cfg_jc_byp = 1, |
| .cfg_common_reserve_7_0 = 1, |
| .cfg_pll_lol_set = 1, |
| .cfg_tx2rx_lp_en = 0, |
| .cfg_txlb_en = 0, |
| .cfg_rx2tx_lp_en = 0, |
| .cfg_rxlb_en = 0, |
| .r_tx_pol_inv = args->txinvert, |
| .r_rx_pol_inv = args->rxinvert, |
| }; |
| |
| *params = init; |
| } |
| |
| static void sparx5_sd10g28_get_params(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd10g28_media_preset *media, |
| struct sparx5_sd10g28_mode_preset *mode, |
| struct sparx5_sd10g28_args *args, |
| struct sparx5_sd10g28_params *params) |
| { |
| u8 iw = sd10g28_get_iw_setting(macro->priv->dev, mode->bwidth); |
| struct sparx5_sd10g28_params init = { |
| .skip_cmu_cfg = args->skip_cmu_cfg, |
| .is_6g = args->is_6g, |
| .cmu_sel = mode->cmu_sel, |
| .cfg_lane_reserve_7_0 = (mode->cmu_sel % 2) << 6, |
| .cfg_ssc_rtl_clk_sel = (mode->cmu_sel / 2), |
| .cfg_lane_reserve_15_8 = mode->duty_cycle, |
| .cfg_txrate_1_0 = mode->rate, |
| .cfg_rxrate_1_0 = mode->rate, |
| .fx_100 = macro->serdesmode == SPX5_SD_MODE_100FX, |
| .r_d_width_ctrl_2_0 = iw, |
| .cfg_pma_tx_ck_bitwidth_2_0 = iw, |
| .cfg_rxdiv_sel_2_0 = iw, |
| .r_pcs2pma_phymode_4_0 = 0, |
| .cfg_lane_id_2_0 = 0, |
| .cfg_cdrck_en = 1, |
| .cfg_dfeck_en = mode->dfe_enable, |
| .cfg_dfe_pd = (mode->dfe_enable == 1) ? 0 : 1, |
| .cfg_dfetap_en_5_1 = mode->dfe_tap, |
| .cfg_erramp_pd = (mode->dfe_enable == 1) ? 0 : 1, |
| .cfg_pi_DFE_en = mode->dfe_enable, |
| .cfg_pi_en = 1, |
| .cfg_pd_ctle = 0, |
| .cfg_summer_en = 1, |
| .cfg_pd_rx_cktree = 0, |
| .cfg_pd_clk = 0, |
| .cfg_pd_cml = 0, |
| .cfg_pd_driver = 0, |
| .cfg_rx_reg_pu = 1, |
| .cfg_d_cdr_pd = 0, |
| .cfg_pd_sq = mode->dfe_enable, |
| .cfg_rxdet_en = 0, |
| .cfg_rxdet_str = 0, |
| .r_multi_lane_mode = 0, |
| .cfg_en_adv = media->cfg_en_adv, |
| .cfg_en_main = 1, |
| .cfg_en_dly = media->cfg_en_dly, |
| .cfg_tap_adv_3_0 = media->cfg_tap_adv_3_0, |
| .cfg_tap_main = media->cfg_tap_main, |
| .cfg_tap_dly_4_0 = media->cfg_tap_dly_4_0, |
| .cfg_vga_ctrl_3_0 = media->cfg_vga_ctrl_3_0, |
| .cfg_vga_cp_2_0 = media->cfg_vga_cp_2_0, |
| .cfg_eq_res_3_0 = media->cfg_eq_res_3_0, |
| .cfg_eq_r_byp = media->cfg_eq_r_byp, |
| .cfg_eq_c_force_3_0 = media->cfg_eq_c_force_3_0, |
| .cfg_en_dfedig = mode->dfe_enable, |
| .cfg_sum_setcm_en = 1, |
| .cfg_en_preemph = 0, |
| .cfg_itx_ippreemp_base_1_0 = 0, |
| .cfg_itx_ipdriver_base_2_0 = (args->txswing >> 6), |
| .cfg_ibias_tune_reserve_5_0 = (args->txswing & 63), |
| .cfg_txswing_half = (args->txmargin), |
| .cfg_dis_2nd_order = 0x1, |
| .cfg_rx_ssc_lh = 0x0, |
| .cfg_pi_floop_steps_1_0 = 0x0, |
| .cfg_pi_ext_dac_23_16 = (1 << 5), |
| .cfg_pi_ext_dac_15_8 = (0 << 6), |
| .cfg_iscan_ext_dac_7_0 = (1 << 7) + 9, |
| .cfg_cdr_kf_gen1_2_0 = 1, |
| .cfg_cdr_kf_gen2_2_0 = 1, |
| .cfg_cdr_kf_gen3_2_0 = 1, |
| .cfg_cdr_kf_gen4_2_0 = 1, |
| .r_cdr_m_gen1_7_0 = 4, |
| .cfg_pi_bw_gen1_3_0 = mode->pi_bw_gen1, |
| .cfg_pi_bw_gen2 = mode->pi_bw_gen1, |
| .cfg_pi_bw_gen3 = mode->pi_bw_gen1, |
| .cfg_pi_bw_gen4 = mode->pi_bw_gen1, |
| .cfg_pi_ext_dac_7_0 = 3, |
| .cfg_pi_steps = 0, |
| .cfg_mp_max_3_0 = 1, |
| .cfg_rstn_dfedig = mode->dfe_enable, |
| .cfg_alos_thr_3_0 = media->cfg_alos_thr_3_0, |
| .cfg_predrv_slewrate_1_0 = 3, |
| .cfg_itx_ipcml_base_1_0 = 0, |
| .cfg_ip_pre_base_1_0 = 0, |
| .r_cdr_m_gen2_7_0 = 2, |
| .r_cdr_m_gen3_7_0 = 2, |
| .r_cdr_m_gen4_7_0 = 2, |
| .r_en_auto_cdr_rstn = 0, |
| .cfg_oscal_afe = 1, |
| .cfg_pd_osdac_afe = 0, |
| .cfg_resetb_oscal_afe[0] = 0, |
| .cfg_resetb_oscal_afe[1] = 1, |
| .cfg_center_spreading = 0, |
| .cfg_m_cnt_maxval_4_0 = 15, |
| .cfg_ncnt_maxval_7_0 = 32, |
| .cfg_ncnt_maxval_10_8 = 6, |
| .cfg_ssc_en = 1, |
| .cfg_tx2rx_lp_en = 0, |
| .cfg_txlb_en = 0, |
| .cfg_rx2tx_lp_en = 0, |
| .cfg_rxlb_en = 0, |
| .r_tx_pol_inv = args->txinvert, |
| .r_rx_pol_inv = args->rxinvert, |
| }; |
| |
| *params = init; |
| } |
| |
| static void sparx5_sd25g28_reset(void __iomem *regs[], |
| struct sparx5_sd25g28_params *params, |
| u32 sd_index) |
| { |
| if (params->reg_rst == 1) { |
| sdx5_rmw_addr(SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST_SET(1), |
| SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST, |
| sdx5_addr(regs, SD_LANE_25G_SD_LANE_CFG(sd_index))); |
| |
| usleep_range(1000, 2000); |
| |
| sdx5_rmw_addr(SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST_SET(0), |
| SD_LANE_25G_SD_LANE_CFG_EXT_CFG_RST, |
| sdx5_addr(regs, SD_LANE_25G_SD_LANE_CFG(sd_index))); |
| } |
| } |
| |
| static int sparx5_sd25g28_apply_params(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd25g28_params *params) |
| { |
| struct sparx5_serdes_private *priv = macro->priv; |
| void __iomem **regs = priv->regs; |
| struct device *dev = priv->dev; |
| u32 sd_index = macro->stpidx; |
| u32 value; |
| |
| sdx5_rmw(SD_LANE_25G_SD_LANE_CFG_MACRO_RST_SET(1), |
| SD_LANE_25G_SD_LANE_CFG_MACRO_RST, |
| priv, |
| SD_LANE_25G_SD_LANE_CFG(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0xFF), |
| SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX, |
| priv, |
| SD25G_LANE_CMU_FF(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_1A_R_DWIDTHCTRL_FROM_HWT_SET |
| (params->r_d_width_ctrl_from_hwt) | |
| SD25G_LANE_CMU_1A_R_REG_MANUAL_SET(params->r_reg_manual), |
| SD25G_LANE_CMU_1A_R_DWIDTHCTRL_FROM_HWT | |
| SD25G_LANE_CMU_1A_R_REG_MANUAL, |
| priv, |
| SD25G_LANE_CMU_1A(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_31_CFG_COMMON_RESERVE_7_0_SET |
| (params->cfg_common_reserve_7_0), |
| SD25G_LANE_CMU_31_CFG_COMMON_RESERVE_7_0, |
| priv, |
| SD25G_LANE_CMU_31(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_09_CFG_EN_DUMMY_SET(params->cfg_en_dummy), |
| SD25G_LANE_CMU_09_CFG_EN_DUMMY, |
| priv, |
| SD25G_LANE_CMU_09(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_13_CFG_PLL_RESERVE_3_0_SET |
| (params->cfg_pll_reserve_3_0), |
| SD25G_LANE_CMU_13_CFG_PLL_RESERVE_3_0, |
| priv, |
| SD25G_LANE_CMU_13(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_40_L0_CFG_TXCAL_EN_SET(params->l0_cfg_txcal_en), |
| SD25G_LANE_CMU_40_L0_CFG_TXCAL_EN, |
| priv, |
| SD25G_LANE_CMU_40(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_46_L0_CFG_TX_RESERVE_15_8_SET |
| (params->l0_cfg_tx_reserve_15_8), |
| SD25G_LANE_CMU_46_L0_CFG_TX_RESERVE_15_8, |
| priv, |
| SD25G_LANE_CMU_46(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_45_L0_CFG_TX_RESERVE_7_0_SET |
| (params->l0_cfg_tx_reserve_7_0), |
| SD25G_LANE_CMU_45_L0_CFG_TX_RESERVE_7_0, |
| priv, |
| SD25G_LANE_CMU_45(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN_SET(0), |
| SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN, |
| priv, |
| SD25G_LANE_CMU_0B(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN_SET(1), |
| SD25G_LANE_CMU_0B_CFG_VCO_CAL_RESETN, |
| priv, |
| SD25G_LANE_CMU_0B(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_19_R_CK_RESETB_SET(0), |
| SD25G_LANE_CMU_19_R_CK_RESETB, |
| priv, |
| SD25G_LANE_CMU_19(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_19_R_CK_RESETB_SET(1), |
| SD25G_LANE_CMU_19_R_CK_RESETB, |
| priv, |
| SD25G_LANE_CMU_19(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_18_R_PLL_RSTN_SET(0), |
| SD25G_LANE_CMU_18_R_PLL_RSTN, |
| priv, |
| SD25G_LANE_CMU_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_18_R_PLL_RSTN_SET(1), |
| SD25G_LANE_CMU_18_R_PLL_RSTN, |
| priv, |
| SD25G_LANE_CMU_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_1A_R_DWIDTHCTRL_2_0_SET(params->r_d_width_ctrl_2_0), |
| SD25G_LANE_CMU_1A_R_DWIDTHCTRL_2_0, |
| priv, |
| SD25G_LANE_CMU_1A(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_30_R_TXFIFO_CK_DIV_PMAD_2_0_SET |
| (params->r_txfifo_ck_div_pmad_2_0) | |
| SD25G_LANE_CMU_30_R_RXFIFO_CK_DIV_PMAD_2_0_SET |
| (params->r_rxfifo_ck_div_pmad_2_0), |
| SD25G_LANE_CMU_30_R_TXFIFO_CK_DIV_PMAD_2_0 | |
| SD25G_LANE_CMU_30_R_RXFIFO_CK_DIV_PMAD_2_0, |
| priv, |
| SD25G_LANE_CMU_30(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_0C_CFG_PLL_LOL_SET_SET(params->cfg_pll_lol_set) | |
| SD25G_LANE_CMU_0C_CFG_VCO_DIV_MODE_1_0_SET |
| (params->cfg_vco_div_mode_1_0), |
| SD25G_LANE_CMU_0C_CFG_PLL_LOL_SET | |
| SD25G_LANE_CMU_0C_CFG_VCO_DIV_MODE_1_0, |
| priv, |
| SD25G_LANE_CMU_0C(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_0D_CFG_PRE_DIVSEL_1_0_SET |
| (params->cfg_pre_divsel_1_0), |
| SD25G_LANE_CMU_0D_CFG_PRE_DIVSEL_1_0, |
| priv, |
| SD25G_LANE_CMU_0D(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_0E_CFG_SEL_DIV_3_0_SET(params->cfg_sel_div_3_0), |
| SD25G_LANE_CMU_0E_CFG_SEL_DIV_3_0, |
| priv, |
| SD25G_LANE_CMU_0E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0x00), |
| SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX, |
| priv, |
| SD25G_LANE_CMU_FF(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0C_LN_CFG_PMA_TX_CK_BITWIDTH_2_0_SET |
| (params->cfg_pma_tx_ck_bitwidth_2_0), |
| SD25G_LANE_LANE_0C_LN_CFG_PMA_TX_CK_BITWIDTH_2_0, |
| priv, |
| SD25G_LANE_LANE_0C(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_01_LN_CFG_TX_PREDIV_1_0_SET |
| (params->cfg_tx_prediv_1_0), |
| SD25G_LANE_LANE_01_LN_CFG_TX_PREDIV_1_0, |
| priv, |
| SD25G_LANE_LANE_01(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_RXDIV_SEL_2_0_SET |
| (params->cfg_rxdiv_sel_2_0), |
| SD25G_LANE_LANE_18_LN_CFG_RXDIV_SEL_2_0, |
| priv, |
| SD25G_LANE_LANE_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2C_LN_CFG_TX_SUBRATE_2_0_SET |
| (params->cfg_tx_subrate_2_0), |
| SD25G_LANE_LANE_2C_LN_CFG_TX_SUBRATE_2_0, |
| priv, |
| SD25G_LANE_LANE_2C(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_28_LN_CFG_RX_SUBRATE_2_0_SET |
| (params->cfg_rx_subrate_2_0), |
| SD25G_LANE_LANE_28_LN_CFG_RX_SUBRATE_2_0, |
| priv, |
| SD25G_LANE_LANE_28(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_CDRCK_EN_SET(params->cfg_cdrck_en), |
| SD25G_LANE_LANE_18_LN_CFG_CDRCK_EN, |
| priv, |
| SD25G_LANE_LANE_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0F_LN_CFG_DFETAP_EN_5_1_SET |
| (params->cfg_dfetap_en_5_1), |
| SD25G_LANE_LANE_0F_LN_CFG_DFETAP_EN_5_1, |
| priv, |
| SD25G_LANE_LANE_0F(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD_SET(params->cfg_erramp_pd), |
| SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD, |
| priv, |
| SD25G_LANE_LANE_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1D_LN_CFG_PI_DFE_EN_SET(params->cfg_pi_dfe_en), |
| SD25G_LANE_LANE_1D_LN_CFG_PI_DFE_EN, |
| priv, |
| SD25G_LANE_LANE_1D(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_19_LN_CFG_ECDR_PD_SET(params->cfg_ecdr_pd), |
| SD25G_LANE_LANE_19_LN_CFG_ECDR_PD, |
| priv, |
| SD25G_LANE_LANE_19(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_01_LN_CFG_ITX_IPDRIVER_BASE_2_0_SET |
| (params->cfg_itx_ipdriver_base_2_0), |
| SD25G_LANE_LANE_01_LN_CFG_ITX_IPDRIVER_BASE_2_0, |
| priv, |
| SD25G_LANE_LANE_01(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_03_LN_CFG_TAP_DLY_4_0_SET(params->cfg_tap_dly_4_0), |
| SD25G_LANE_LANE_03_LN_CFG_TAP_DLY_4_0, |
| priv, |
| SD25G_LANE_LANE_03(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_06_LN_CFG_TAP_ADV_3_0_SET(params->cfg_tap_adv_3_0), |
| SD25G_LANE_LANE_06_LN_CFG_TAP_ADV_3_0, |
| priv, |
| SD25G_LANE_LANE_06(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_07_LN_CFG_EN_ADV_SET(params->cfg_en_adv) | |
| SD25G_LANE_LANE_07_LN_CFG_EN_DLY_SET(params->cfg_en_dly), |
| SD25G_LANE_LANE_07_LN_CFG_EN_ADV | |
| SD25G_LANE_LANE_07_LN_CFG_EN_DLY, |
| priv, |
| SD25G_LANE_LANE_07(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_43_LN_CFG_TX_RESERVE_15_8_SET |
| (params->cfg_tx_reserve_15_8), |
| SD25G_LANE_LANE_43_LN_CFG_TX_RESERVE_15_8, |
| priv, |
| SD25G_LANE_LANE_43(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_42_LN_CFG_TX_RESERVE_7_0_SET |
| (params->cfg_tx_reserve_7_0), |
| SD25G_LANE_LANE_42_LN_CFG_TX_RESERVE_7_0, |
| priv, |
| SD25G_LANE_LANE_42(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_05_LN_CFG_BW_1_0_SET(params->cfg_bw_1_0), |
| SD25G_LANE_LANE_05_LN_CFG_BW_1_0, |
| priv, |
| SD25G_LANE_LANE_05(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0B_LN_CFG_TXCAL_MAN_EN_SET |
| (params->cfg_txcal_man_en), |
| SD25G_LANE_LANE_0B_LN_CFG_TXCAL_MAN_EN, |
| priv, |
| SD25G_LANE_LANE_0B(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0A_LN_CFG_TXCAL_SHIFT_CODE_5_0_SET |
| (params->cfg_txcal_shift_code_5_0), |
| SD25G_LANE_LANE_0A_LN_CFG_TXCAL_SHIFT_CODE_5_0, |
| priv, |
| SD25G_LANE_LANE_0A(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_09_LN_CFG_TXCAL_VALID_SEL_3_0_SET |
| (params->cfg_txcal_valid_sel_3_0), |
| SD25G_LANE_LANE_09_LN_CFG_TXCAL_VALID_SEL_3_0, |
| priv, |
| SD25G_LANE_LANE_09(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1A_LN_CFG_CDR_KF_2_0_SET(params->cfg_cdr_kf_2_0), |
| SD25G_LANE_LANE_1A_LN_CFG_CDR_KF_2_0, |
| priv, |
| SD25G_LANE_LANE_1A(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1B_LN_CFG_CDR_M_7_0_SET(params->cfg_cdr_m_7_0), |
| SD25G_LANE_LANE_1B_LN_CFG_CDR_M_7_0, |
| priv, |
| SD25G_LANE_LANE_1B(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2B_LN_CFG_PI_BW_3_0_SET(params->cfg_pi_bw_3_0), |
| SD25G_LANE_LANE_2B_LN_CFG_PI_BW_3_0, |
| priv, |
| SD25G_LANE_LANE_2B(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2C_LN_CFG_DIS_2NDORDER_SET |
| (params->cfg_dis_2ndorder), |
| SD25G_LANE_LANE_2C_LN_CFG_DIS_2NDORDER, |
| priv, |
| SD25G_LANE_LANE_2C(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_CTLE_RSTN_SET(params->cfg_ctle_rstn), |
| SD25G_LANE_LANE_2E_LN_CFG_CTLE_RSTN, |
| priv, |
| SD25G_LANE_LANE_2E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_00_LN_CFG_ITX_IPCML_BASE_1_0_SET |
| (params->cfg_itx_ipcml_base_1_0), |
| SD25G_LANE_LANE_00_LN_CFG_ITX_IPCML_BASE_1_0, |
| priv, |
| SD25G_LANE_LANE_00(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_44_LN_CFG_RX_RESERVE_7_0_SET |
| (params->cfg_rx_reserve_7_0), |
| SD25G_LANE_LANE_44_LN_CFG_RX_RESERVE_7_0, |
| priv, |
| SD25G_LANE_LANE_44(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_45_LN_CFG_RX_RESERVE_15_8_SET |
| (params->cfg_rx_reserve_15_8), |
| SD25G_LANE_LANE_45_LN_CFG_RX_RESERVE_15_8, |
| priv, |
| SD25G_LANE_LANE_45(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0D_LN_CFG_DFECK_EN_SET(params->cfg_dfeck_en) | |
| SD25G_LANE_LANE_0D_LN_CFG_RXTERM_2_0_SET(params->cfg_rxterm_2_0), |
| SD25G_LANE_LANE_0D_LN_CFG_DFECK_EN | |
| SD25G_LANE_LANE_0D_LN_CFG_RXTERM_2_0, |
| priv, |
| SD25G_LANE_LANE_0D(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_21_LN_CFG_VGA_CTRL_BYP_4_0_SET |
| (params->cfg_vga_ctrl_byp_4_0), |
| SD25G_LANE_LANE_21_LN_CFG_VGA_CTRL_BYP_4_0, |
| priv, |
| SD25G_LANE_LANE_21(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_22_LN_CFG_EQR_FORCE_3_0_SET |
| (params->cfg_eqr_force_3_0), |
| SD25G_LANE_LANE_22_LN_CFG_EQR_FORCE_3_0, |
| priv, |
| SD25G_LANE_LANE_22(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_EQC_FORCE_3_0_SET |
| (params->cfg_eqc_force_3_0) | |
| SD25G_LANE_LANE_1C_LN_CFG_DFE_PD_SET(params->cfg_dfe_pd), |
| SD25G_LANE_LANE_1C_LN_CFG_EQC_FORCE_3_0 | |
| SD25G_LANE_LANE_1C_LN_CFG_DFE_PD, |
| priv, |
| SD25G_LANE_LANE_1C(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1E_LN_CFG_SUM_SETCM_EN_SET |
| (params->cfg_sum_setcm_en), |
| SD25G_LANE_LANE_1E_LN_CFG_SUM_SETCM_EN, |
| priv, |
| SD25G_LANE_LANE_1E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_25_LN_CFG_INIT_POS_ISCAN_6_0_SET |
| (params->cfg_init_pos_iscan_6_0), |
| SD25G_LANE_LANE_25_LN_CFG_INIT_POS_ISCAN_6_0, |
| priv, |
| SD25G_LANE_LANE_25(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_26_LN_CFG_INIT_POS_IPI_6_0_SET |
| (params->cfg_init_pos_ipi_6_0), |
| SD25G_LANE_LANE_26_LN_CFG_INIT_POS_IPI_6_0, |
| priv, |
| SD25G_LANE_LANE_26(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD_SET(params->cfg_erramp_pd), |
| SD25G_LANE_LANE_18_LN_CFG_ERRAMP_PD, |
| priv, |
| SD25G_LANE_LANE_18(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0E_LN_CFG_DFEDIG_M_2_0_SET |
| (params->cfg_dfedig_m_2_0), |
| SD25G_LANE_LANE_0E_LN_CFG_DFEDIG_M_2_0, |
| priv, |
| SD25G_LANE_LANE_0E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_0E_LN_CFG_EN_DFEDIG_SET(params->cfg_en_dfedig), |
| SD25G_LANE_LANE_0E_LN_CFG_EN_DFEDIG, |
| priv, |
| SD25G_LANE_LANE_0E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_40_LN_R_TX_POL_INV_SET(params->r_tx_pol_inv) | |
| SD25G_LANE_LANE_40_LN_R_RX_POL_INV_SET(params->r_rx_pol_inv), |
| SD25G_LANE_LANE_40_LN_R_TX_POL_INV | |
| SD25G_LANE_LANE_40_LN_R_RX_POL_INV, |
| priv, |
| SD25G_LANE_LANE_40(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_04_LN_CFG_RX2TX_LP_EN_SET(params->cfg_rx2tx_lp_en) | |
| SD25G_LANE_LANE_04_LN_CFG_TX2RX_LP_EN_SET(params->cfg_tx2rx_lp_en), |
| SD25G_LANE_LANE_04_LN_CFG_RX2TX_LP_EN | |
| SD25G_LANE_LANE_04_LN_CFG_TX2RX_LP_EN, |
| priv, |
| SD25G_LANE_LANE_04(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1E_LN_CFG_RXLB_EN_SET(params->cfg_rxlb_en), |
| SD25G_LANE_LANE_1E_LN_CFG_RXLB_EN, |
| priv, |
| SD25G_LANE_LANE_1E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_19_LN_CFG_TXLB_EN_SET(params->cfg_txlb_en), |
| SD25G_LANE_LANE_19_LN_CFG_TXLB_EN, |
| priv, |
| SD25G_LANE_LANE_19(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG_SET(0), |
| SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG, |
| priv, |
| SD25G_LANE_LANE_2E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG_SET(1), |
| SD25G_LANE_LANE_2E_LN_CFG_RSTN_DFEDIG, |
| priv, |
| SD25G_LANE_LANE_2E(sd_index)); |
| |
| sdx5_rmw(SD_LANE_25G_SD_LANE_CFG_MACRO_RST_SET(0), |
| SD_LANE_25G_SD_LANE_CFG_MACRO_RST, |
| priv, |
| SD_LANE_25G_SD_LANE_CFG(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN_SET(0), |
| SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN, |
| priv, |
| SD25G_LANE_LANE_1C(sd_index)); |
| |
| usleep_range(1000, 2000); |
| |
| sdx5_rmw(SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN_SET(1), |
| SD25G_LANE_LANE_1C_LN_CFG_CDR_RSTN, |
| priv, |
| SD25G_LANE_LANE_1C(sd_index)); |
| |
| usleep_range(10000, 20000); |
| |
| sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0xff), |
| SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX, |
| priv, |
| SD25G_LANE_CMU_FF(sd_index)); |
| |
| value = readl(sdx5_addr(regs, SD25G_LANE_CMU_C0(sd_index))); |
| value = SD25G_LANE_CMU_C0_PLL_LOL_UDL_GET(value); |
| |
| if (value) { |
| dev_err(dev, "25G PLL Loss of Lock: 0x%x\n", value); |
| return -EINVAL; |
| } |
| |
| value = readl(sdx5_addr(regs, SD_LANE_25G_SD_LANE_STAT(sd_index))); |
| value = SD_LANE_25G_SD_LANE_STAT_PMA_RST_DONE_GET(value); |
| |
| if (value != 0x1) { |
| dev_err(dev, "25G PMA Reset failed: 0x%x\n", value); |
| return -EINVAL; |
| } |
| sdx5_rmw(SD25G_LANE_CMU_2A_R_DBG_LOL_STATUS_SET(0x1), |
| SD25G_LANE_CMU_2A_R_DBG_LOL_STATUS, |
| priv, |
| SD25G_LANE_CMU_2A(sd_index)); |
| |
| sdx5_rmw(SD_LANE_25G_SD_SER_RST_SER_RST_SET(0x0), |
| SD_LANE_25G_SD_SER_RST_SER_RST, |
| priv, |
| SD_LANE_25G_SD_SER_RST(sd_index)); |
| |
| sdx5_rmw(SD_LANE_25G_SD_DES_RST_DES_RST_SET(0x0), |
| SD_LANE_25G_SD_DES_RST_DES_RST, |
| priv, |
| SD_LANE_25G_SD_DES_RST(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX_SET(0), |
| SD25G_LANE_CMU_FF_REGISTER_TABLE_INDEX, |
| priv, |
| SD25G_LANE_CMU_FF(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2D_LN_CFG_ALOS_THR_2_0_SET |
| (params->cfg_alos_thr_2_0), |
| SD25G_LANE_LANE_2D_LN_CFG_ALOS_THR_2_0, |
| priv, |
| SD25G_LANE_LANE_2D(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_DIS_SQ_SET(0), |
| SD25G_LANE_LANE_2E_LN_CFG_DIS_SQ, |
| priv, |
| SD25G_LANE_LANE_2E(sd_index)); |
| |
| sdx5_rmw(SD25G_LANE_LANE_2E_LN_CFG_PD_SQ_SET(0), |
| SD25G_LANE_LANE_2E_LN_CFG_PD_SQ, |
| priv, |
| SD25G_LANE_LANE_2E(sd_index)); |
| |
| return 0; |
| } |
| |
| static void sparx5_sd10g28_reset(void __iomem *regs[], u32 lane_index) |
| { |
| /* Note: SerDes SD10G_LANE_1 is configured in 10G_LAN mode */ |
| sdx5_rmw_addr(SD_LANE_SD_LANE_CFG_EXT_CFG_RST_SET(1), |
| SD_LANE_SD_LANE_CFG_EXT_CFG_RST, |
| sdx5_addr(regs, SD_LANE_SD_LANE_CFG(lane_index))); |
| |
| usleep_range(1000, 2000); |
| |
| sdx5_rmw_addr(SD_LANE_SD_LANE_CFG_EXT_CFG_RST_SET(0), |
| SD_LANE_SD_LANE_CFG_EXT_CFG_RST, |
| sdx5_addr(regs, SD_LANE_SD_LANE_CFG(lane_index))); |
| } |
| |
| static int sparx5_sd10g28_apply_params(struct sparx5_serdes_macro *macro, |
| struct sparx5_sd10g28_params *params) |
| { |
| struct sparx5_serdes_private *priv = macro->priv; |
| void __iomem **regs = priv->regs; |
| struct device *dev = priv->dev; |
| u32 lane_index = macro->sidx; |
| u32 sd_index = macro->stpidx; |
| void __iomem *sd_inst; |
| u32 value; |
| |
| if (params->is_6g) |
| sd_inst = sdx5_inst_get(priv, TARGET_SD6G_LANE, sd_index); |
| else |
| sd_inst = sdx5_inst_get(priv, TARGET_SD10G_LANE, sd_index); |
| |
| sdx5_rmw(SD_LANE_SD_LANE_CFG_MACRO_RST_SET(1), |
| SD_LANE_SD_LANE_CFG_MACRO_RST, |
| priv, |
| SD_LANE_SD_LANE_CFG(lane_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_93_R_DWIDTHCTRL_FROM_HWT_SET(0x0) | |
| SD10G_LANE_LANE_93_R_REG_MANUAL_SET(0x1) | |
| SD10G_LANE_LANE_93_R_AUXCKSEL_FROM_HWT_SET(0x1) | |
| SD10G_LANE_LANE_93_R_LANE_ID_FROM_HWT_SET(0x1) | |
| SD10G_LANE_LANE_93_R_EN_RATECHG_CTRL_SET(0x0), |
| SD10G_LANE_LANE_93_R_DWIDTHCTRL_FROM_HWT | |
| SD10G_LANE_LANE_93_R_REG_MANUAL | |
| SD10G_LANE_LANE_93_R_AUXCKSEL_FROM_HWT | |
| SD10G_LANE_LANE_93_R_LANE_ID_FROM_HWT | |
| SD10G_LANE_LANE_93_R_EN_RATECHG_CTRL, |
| sd_inst, |
| SD10G_LANE_LANE_93(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_94_R_ISCAN_REG_SET(0x1) | |
| SD10G_LANE_LANE_94_R_TXEQ_REG_SET(0x1) | |
| SD10G_LANE_LANE_94_R_MISC_REG_SET(0x1) | |
| SD10G_LANE_LANE_94_R_SWING_REG_SET(0x1), |
| SD10G_LANE_LANE_94_R_ISCAN_REG | |
| SD10G_LANE_LANE_94_R_TXEQ_REG | |
| SD10G_LANE_LANE_94_R_MISC_REG | |
| SD10G_LANE_LANE_94_R_SWING_REG, |
| sd_inst, |
| SD10G_LANE_LANE_94(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_9E_R_RXEQ_REG_SET(0x1), |
| SD10G_LANE_LANE_9E_R_RXEQ_REG, |
| sd_inst, |
| SD10G_LANE_LANE_9E(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_A1_R_SSC_FROM_HWT_SET(0x0) | |
| SD10G_LANE_LANE_A1_R_CDR_FROM_HWT_SET(0x0) | |
| SD10G_LANE_LANE_A1_R_PCLK_GATING_FROM_HWT_SET(0x1), |
| SD10G_LANE_LANE_A1_R_SSC_FROM_HWT | |
| SD10G_LANE_LANE_A1_R_CDR_FROM_HWT | |
| SD10G_LANE_LANE_A1_R_PCLK_GATING_FROM_HWT, |
| sd_inst, |
| SD10G_LANE_LANE_A1(sd_index)); |
| |
| sdx5_rmw(SD_LANE_SD_LANE_CFG_RX_REF_SEL_SET(params->cmu_sel) | |
| SD_LANE_SD_LANE_CFG_TX_REF_SEL_SET(params->cmu_sel), |
| SD_LANE_SD_LANE_CFG_RX_REF_SEL | |
| SD_LANE_SD_LANE_CFG_TX_REF_SEL, |
| priv, |
| SD_LANE_SD_LANE_CFG(lane_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_40_CFG_LANE_RESERVE_7_0_SET |
| (params->cfg_lane_reserve_7_0), |
| SD10G_LANE_LANE_40_CFG_LANE_RESERVE_7_0, |
| sd_inst, |
| SD10G_LANE_LANE_40(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_50_CFG_SSC_RTL_CLK_SEL_SET |
| (params->cfg_ssc_rtl_clk_sel), |
| SD10G_LANE_LANE_50_CFG_SSC_RTL_CLK_SEL, |
| sd_inst, |
| SD10G_LANE_LANE_50(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_35_CFG_TXRATE_1_0_SET |
| (params->cfg_txrate_1_0) | |
| SD10G_LANE_LANE_35_CFG_RXRATE_1_0_SET |
| (params->cfg_rxrate_1_0), |
| SD10G_LANE_LANE_35_CFG_TXRATE_1_0 | |
| SD10G_LANE_LANE_35_CFG_RXRATE_1_0, |
| sd_inst, |
| SD10G_LANE_LANE_35(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_94_R_DWIDTHCTRL_2_0_SET |
| (params->r_d_width_ctrl_2_0), |
| SD10G_LANE_LANE_94_R_DWIDTHCTRL_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_94(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_01_CFG_PMA_TX_CK_BITWIDTH_2_0_SET |
| (params->cfg_pma_tx_ck_bitwidth_2_0), |
| SD10G_LANE_LANE_01_CFG_PMA_TX_CK_BITWIDTH_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_01(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_30_CFG_RXDIV_SEL_2_0_SET |
| (params->cfg_rxdiv_sel_2_0), |
| SD10G_LANE_LANE_30_CFG_RXDIV_SEL_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_30(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_A2_R_PCS2PMA_PHYMODE_4_0_SET |
| (params->r_pcs2pma_phymode_4_0), |
| SD10G_LANE_LANE_A2_R_PCS2PMA_PHYMODE_4_0, |
| sd_inst, |
| SD10G_LANE_LANE_A2(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_13_CFG_CDRCK_EN_SET(params->cfg_cdrck_en), |
| SD10G_LANE_LANE_13_CFG_CDRCK_EN, |
| sd_inst, |
| SD10G_LANE_LANE_13(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_23_CFG_DFECK_EN_SET |
| (params->cfg_dfeck_en) | |
| SD10G_LANE_LANE_23_CFG_DFE_PD_SET(params->cfg_dfe_pd) | |
| SD10G_LANE_LANE_23_CFG_ERRAMP_PD_SET |
| (params->cfg_erramp_pd), |
| SD10G_LANE_LANE_23_CFG_DFECK_EN | |
| SD10G_LANE_LANE_23_CFG_DFE_PD | |
| SD10G_LANE_LANE_23_CFG_ERRAMP_PD, |
| sd_inst, |
| SD10G_LANE_LANE_23(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_22_CFG_DFETAP_EN_5_1_SET |
| (params->cfg_dfetap_en_5_1), |
| SD10G_LANE_LANE_22_CFG_DFETAP_EN_5_1, |
| sd_inst, |
| SD10G_LANE_LANE_22(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_DFE_EN_SET |
| (params->cfg_pi_DFE_en), |
| SD10G_LANE_LANE_1A_CFG_PI_DFE_EN, |
| sd_inst, |
| SD10G_LANE_LANE_1A(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_02_CFG_EN_ADV_SET(params->cfg_en_adv) | |
| SD10G_LANE_LANE_02_CFG_EN_MAIN_SET(params->cfg_en_main) | |
| SD10G_LANE_LANE_02_CFG_EN_DLY_SET(params->cfg_en_dly) | |
| SD10G_LANE_LANE_02_CFG_TAP_ADV_3_0_SET |
| (params->cfg_tap_adv_3_0), |
| SD10G_LANE_LANE_02_CFG_EN_ADV | |
| SD10G_LANE_LANE_02_CFG_EN_MAIN | |
| SD10G_LANE_LANE_02_CFG_EN_DLY | |
| SD10G_LANE_LANE_02_CFG_TAP_ADV_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_02(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_03_CFG_TAP_MAIN_SET(params->cfg_tap_main), |
| SD10G_LANE_LANE_03_CFG_TAP_MAIN, |
| sd_inst, |
| SD10G_LANE_LANE_03(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_04_CFG_TAP_DLY_4_0_SET |
| (params->cfg_tap_dly_4_0), |
| SD10G_LANE_LANE_04_CFG_TAP_DLY_4_0, |
| sd_inst, |
| SD10G_LANE_LANE_04(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_2F_CFG_VGA_CTRL_3_0_SET |
| (params->cfg_vga_ctrl_3_0), |
| SD10G_LANE_LANE_2F_CFG_VGA_CTRL_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_2F(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_2F_CFG_VGA_CP_2_0_SET |
| (params->cfg_vga_cp_2_0), |
| SD10G_LANE_LANE_2F_CFG_VGA_CP_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_2F(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_EQ_RES_3_0_SET |
| (params->cfg_eq_res_3_0), |
| SD10G_LANE_LANE_0B_CFG_EQ_RES_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_0B(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0D_CFG_EQR_BYP_SET(params->cfg_eq_r_byp), |
| SD10G_LANE_LANE_0D_CFG_EQR_BYP, |
| sd_inst, |
| SD10G_LANE_LANE_0D(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0E_CFG_EQC_FORCE_3_0_SET |
| (params->cfg_eq_c_force_3_0) | |
| SD10G_LANE_LANE_0E_CFG_SUM_SETCM_EN_SET |
| (params->cfg_sum_setcm_en), |
| SD10G_LANE_LANE_0E_CFG_EQC_FORCE_3_0 | |
| SD10G_LANE_LANE_0E_CFG_SUM_SETCM_EN, |
| sd_inst, |
| SD10G_LANE_LANE_0E(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_23_CFG_EN_DFEDIG_SET |
| (params->cfg_en_dfedig), |
| SD10G_LANE_LANE_23_CFG_EN_DFEDIG, |
| sd_inst, |
| SD10G_LANE_LANE_23(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_EN_PREEMPH_SET |
| (params->cfg_en_preemph), |
| SD10G_LANE_LANE_06_CFG_EN_PREEMPH, |
| sd_inst, |
| SD10G_LANE_LANE_06(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_33_CFG_ITX_IPPREEMP_BASE_1_0_SET |
| (params->cfg_itx_ippreemp_base_1_0) | |
| SD10G_LANE_LANE_33_CFG_ITX_IPDRIVER_BASE_2_0_SET |
| (params->cfg_itx_ipdriver_base_2_0), |
| SD10G_LANE_LANE_33_CFG_ITX_IPPREEMP_BASE_1_0 | |
| SD10G_LANE_LANE_33_CFG_ITX_IPDRIVER_BASE_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_33(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_52_CFG_IBIAS_TUNE_RESERVE_5_0_SET |
| (params->cfg_ibias_tune_reserve_5_0), |
| SD10G_LANE_LANE_52_CFG_IBIAS_TUNE_RESERVE_5_0, |
| sd_inst, |
| SD10G_LANE_LANE_52(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_37_CFG_TXSWING_HALF_SET |
| (params->cfg_txswing_half), |
| SD10G_LANE_LANE_37_CFG_TXSWING_HALF, |
| sd_inst, |
| SD10G_LANE_LANE_37(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_3C_CFG_DIS_2NDORDER_SET |
| (params->cfg_dis_2nd_order), |
| SD10G_LANE_LANE_3C_CFG_DIS_2NDORDER, |
| sd_inst, |
| SD10G_LANE_LANE_3C(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_39_CFG_RX_SSC_LH_SET |
| (params->cfg_rx_ssc_lh), |
| SD10G_LANE_LANE_39_CFG_RX_SSC_LH, |
| sd_inst, |
| SD10G_LANE_LANE_39(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_FLOOP_STEPS_1_0_SET |
| (params->cfg_pi_floop_steps_1_0), |
| SD10G_LANE_LANE_1A_CFG_PI_FLOOP_STEPS_1_0, |
| sd_inst, |
| SD10G_LANE_LANE_1A(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_16_CFG_PI_EXT_DAC_23_16_SET |
| (params->cfg_pi_ext_dac_23_16), |
| SD10G_LANE_LANE_16_CFG_PI_EXT_DAC_23_16, |
| sd_inst, |
| SD10G_LANE_LANE_16(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_15_CFG_PI_EXT_DAC_15_8_SET |
| (params->cfg_pi_ext_dac_15_8), |
| SD10G_LANE_LANE_15_CFG_PI_EXT_DAC_15_8, |
| sd_inst, |
| SD10G_LANE_LANE_15(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_26_CFG_ISCAN_EXT_DAC_7_0_SET |
| (params->cfg_iscan_ext_dac_7_0), |
| SD10G_LANE_LANE_26_CFG_ISCAN_EXT_DAC_7_0, |
| sd_inst, |
| SD10G_LANE_LANE_26(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_42_CFG_CDR_KF_GEN1_2_0_SET |
| (params->cfg_cdr_kf_gen1_2_0), |
| SD10G_LANE_LANE_42_CFG_CDR_KF_GEN1_2_0, |
| sd_inst, |
| SD10G_LANE_LANE_42(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0F_R_CDR_M_GEN1_7_0_SET |
| (params->r_cdr_m_gen1_7_0), |
| SD10G_LANE_LANE_0F_R_CDR_M_GEN1_7_0, |
| sd_inst, |
| SD10G_LANE_LANE_0F(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_24_CFG_PI_BW_GEN1_3_0_SET |
| (params->cfg_pi_bw_gen1_3_0), |
| SD10G_LANE_LANE_24_CFG_PI_BW_GEN1_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_24(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_14_CFG_PI_EXT_DAC_7_0_SET |
| (params->cfg_pi_ext_dac_7_0), |
| SD10G_LANE_LANE_14_CFG_PI_EXT_DAC_7_0, |
| sd_inst, |
| SD10G_LANE_LANE_14(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_1A_CFG_PI_STEPS_SET(params->cfg_pi_steps), |
| SD10G_LANE_LANE_1A_CFG_PI_STEPS, |
| sd_inst, |
| SD10G_LANE_LANE_1A(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_3A_CFG_MP_MAX_3_0_SET |
| (params->cfg_mp_max_3_0), |
| SD10G_LANE_LANE_3A_CFG_MP_MAX_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_3A(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_31_CFG_RSTN_DFEDIG_SET |
| (params->cfg_rstn_dfedig), |
| SD10G_LANE_LANE_31_CFG_RSTN_DFEDIG, |
| sd_inst, |
| SD10G_LANE_LANE_31(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_48_CFG_ALOS_THR_3_0_SET |
| (params->cfg_alos_thr_3_0), |
| SD10G_LANE_LANE_48_CFG_ALOS_THR_3_0, |
| sd_inst, |
| SD10G_LANE_LANE_48(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_36_CFG_PREDRV_SLEWRATE_1_0_SET |
| (params->cfg_predrv_slewrate_1_0), |
| SD10G_LANE_LANE_36_CFG_PREDRV_SLEWRATE_1_0, |
| sd_inst, |
| SD10G_LANE_LANE_36(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_32_CFG_ITX_IPCML_BASE_1_0_SET |
| (params->cfg_itx_ipcml_base_1_0), |
| SD10G_LANE_LANE_32_CFG_ITX_IPCML_BASE_1_0, |
| sd_inst, |
| SD10G_LANE_LANE_32(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_37_CFG_IP_PRE_BASE_1_0_SET |
| (params->cfg_ip_pre_base_1_0), |
| SD10G_LANE_LANE_37_CFG_IP_PRE_BASE_1_0, |
| sd_inst, |
| SD10G_LANE_LANE_37(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_41_CFG_LANE_RESERVE_15_8_SET |
| (params->cfg_lane_reserve_15_8), |
| SD10G_LANE_LANE_41_CFG_LANE_RESERVE_15_8, |
| sd_inst, |
| SD10G_LANE_LANE_41(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_9E_R_EN_AUTO_CDR_RSTN_SET |
| (params->r_en_auto_cdr_rstn), |
| SD10G_LANE_LANE_9E_R_EN_AUTO_CDR_RSTN, |
| sd_inst, |
| SD10G_LANE_LANE_9E(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0C_CFG_OSCAL_AFE_SET |
| (params->cfg_oscal_afe) | |
| SD10G_LANE_LANE_0C_CFG_PD_OSDAC_AFE_SET |
| (params->cfg_pd_osdac_afe), |
| SD10G_LANE_LANE_0C_CFG_OSCAL_AFE | |
| SD10G_LANE_LANE_0C_CFG_PD_OSDAC_AFE, |
| sd_inst, |
| SD10G_LANE_LANE_0C(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE_SET |
| (params->cfg_resetb_oscal_afe[0]), |
| SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE, |
| sd_inst, |
| SD10G_LANE_LANE_0B(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE_SET |
| (params->cfg_resetb_oscal_afe[1]), |
| SD10G_LANE_LANE_0B_CFG_RESETB_OSCAL_AFE, |
| sd_inst, |
| SD10G_LANE_LANE_0B(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_83_R_TX_POL_INV_SET |
| (params->r_tx_pol_inv) | |
| SD10G_LANE_LANE_83_R_RX_POL_INV_SET |
| (params->r_rx_pol_inv), |
| SD10G_LANE_LANE_83_R_TX_POL_INV | |
| SD10G_LANE_LANE_83_R_RX_POL_INV, |
| sd_inst, |
| SD10G_LANE_LANE_83(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_RX2TX_LP_EN_SET |
| (params->cfg_rx2tx_lp_en) | |
| SD10G_LANE_LANE_06_CFG_TX2RX_LP_EN_SET |
| (params->cfg_tx2rx_lp_en), |
| SD10G_LANE_LANE_06_CFG_RX2TX_LP_EN | |
| SD10G_LANE_LANE_06_CFG_TX2RX_LP_EN, |
| sd_inst, |
| SD10G_LANE_LANE_06(sd_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_0E_CFG_RXLB_EN_SET(params->cfg_rxlb_en) | |
| SD10G_LANE_LANE_0E_CFG_TXLB_EN_SET(params->cfg_txlb_en), |
| SD10G_LANE_LANE_0E_CFG_RXLB_EN | |
| SD10G_LANE_LANE_0E_CFG_TXLB_EN, |
| sd_inst, |
| SD10G_LANE_LANE_0E(sd_index)); |
| |
| sdx5_rmw(SD_LANE_SD_LANE_CFG_MACRO_RST_SET(0), |
| SD_LANE_SD_LANE_CFG_MACRO_RST, |
| priv, |
| SD_LANE_SD_LANE_CFG(lane_index)); |
| |
| sdx5_inst_rmw(SD10G_LANE_LANE_50_CFG_SSC_RESETB_SET(1), |
| SD10G_LANE_LANE_50_CFG_SSC_RESETB, |
| sd_inst, |
| SD10G_LANE_LANE_50(sd_index)); |
| |
| sdx5_rmw(SD10G_LANE_LANE_50_CFG_SSC_RESETB_SET(1), |
| SD10G_LANE_LANE_50_CFG_SSC_RESETB, |
| priv, |
| SD10G_LANE_LANE_50(sd_index)); |
| |
| sdx5_rmw(SD_LANE_MISC_SD_125_RST_DIS_SET(params->fx_100), |
| SD_LANE_MISC_SD_125_RST_DIS, |
| priv, |
| SD_LANE_MISC(lane_index)); |
| |
| sdx5_rmw(SD_LANE_MISC_RX_ENA_SET(params->fx_100), |
| SD_LANE_MISC_RX_ENA, |
| priv, |
| SD_LANE_MISC(lane_index)); |
| |
| sdx5_rmw(SD_LANE_MISC_MUX_ENA_SET(params->fx_100), |
| SD_LANE_MISC_MUX_ENA, |
| priv, |
| SD_LANE_MISC(lane_index)); |
| |
| usleep_range(3000, 6000); |
| |
| value = readl(sdx5_addr(regs, SD_LANE_SD_LANE_STAT(lane_index))); |
| value = SD_LANE_SD_LANE_STAT_PMA_RST_DONE_GET(value); |
| if (value != 1) { |
| dev_err(dev, "10G PMA Reset failed: 0x%x\n", value); |
| return -EINVAL; |
| } |
| |
| sdx5_rmw(SD_LANE_SD_SER_RST_SER_RST_SET(0x0), |
| SD_LANE_SD_SER_RST_SER_RST, |
| priv, |
| SD_LANE_SD_SER_RST(lane_index)); |
| |
| sdx5_rmw(SD_LANE_SD_DES_RST_DES_RST_SET(0x0), |
| SD_LANE_SD_DES_RST_DES_RST, |
| priv, |
| SD_LANE_SD_DES_RST(lane_index)); |
| |
| return 0; |
| } |
| |
| static int sparx5_sd25g28_config(struct sparx5_serdes_macro *macro, bool reset) |
| { |
| struct sparx5_sd25g28_media_preset media = media_presets_25g[macro->media]; |
| struct sparx5_sd25g28_mode_preset mode; |
| struct sparx5_sd25g28_args args = { |
| .rxinvert = 1, |
| .txinvert = 0, |
| .txswing = 240, |
| .com_pll_reserve = 0xf, |
| .reg_rst = reset, |
| }; |
| struct sparx5_sd25g28_params params; |
| int err; |
| |
| err = sparx5_sd10g25_get_mode_preset(macro, &mode); |
| if (err) |
| return err; |
| sparx5_sd25g28_get_params(macro, &media, &mode, &args, ¶ms); |
| sparx5_sd25g28_reset(macro->priv->regs, ¶ms, macro->stpidx); |
| return sparx5_sd25g28_apply_params(macro, ¶ms); |
| } |
| |
| static int sparx5_sd10g28_config(struct sparx5_serdes_macro *macro, bool reset) |
| { |
| struct sparx5_sd10g28_media_preset media = media_presets_10g[macro->media]; |
| struct sparx5_sd10g28_mode_preset mode; |
| struct sparx5_sd10g28_params params; |
| struct sparx5_sd10g28_args args = { |
| .is_6g = (macro->serdestype == SPX5_SDT_6G), |
| .txinvert = 0, |
| .rxinvert = 1, |
| .txswing = 240, |
| .reg_rst = reset, |
| }; |
| int err; |
| |
| err = sparx5_sd10g28_get_mode_preset(macro, &mode, &args); |
| if (err) |
| return err; |
| sparx5_sd10g28_get_params(macro, &media, &mode, &args, ¶ms); |
| sparx5_sd10g28_reset(macro->priv->regs, macro->sidx); |
| return sparx5_sd10g28_apply_params(macro, ¶ms); |
| } |
| |
| /* Power down serdes TX driver */ |
| static int sparx5_serdes_power_save(struct sparx5_serdes_macro *macro, u32 pwdn) |
| { |
| struct sparx5_serdes_private *priv = macro->priv; |
| void __iomem *sd_inst; |
| |
| if (macro->serdestype == SPX5_SDT_6G) |
| sd_inst = sdx5_inst_get(priv, TARGET_SD6G_LANE, macro->stpidx); |
| else if (macro->serdestype == SPX5_SDT_10G) |
| sd_inst = sdx5_inst_get(priv, TARGET_SD10G_LANE, macro->stpidx); |
| else |
| sd_inst = sdx5_inst_get(priv, TARGET_SD25G_LANE, macro->stpidx); |
| |
| if (macro->serdestype == SPX5_SDT_25G) { |
| sdx5_inst_rmw(SD25G_LANE_LANE_04_LN_CFG_PD_DRIVER_SET(pwdn), |
| SD25G_LANE_LANE_04_LN_CFG_PD_DRIVER, |
| sd_inst, |
| SD25G_LANE_LANE_04(0)); |
| } else { |
| /* 6G and 10G */ |
| sdx5_inst_rmw(SD10G_LANE_LANE_06_CFG_PD_DRIVER_SET(pwdn), |
| SD10G_LANE_LANE_06_CFG_PD_DRIVER, |
| sd_inst, |
| SD10G_LANE_LANE_06(0)); |
| } |
| return 0; |
| } |
| |
| static int sparx5_serdes_clock_config(struct sparx5_serdes_macro *macro) |
| { |
| struct sparx5_serdes_private *priv = macro->priv; |
| |
| if (macro->serdesmode == SPX5_SD_MODE_100FX) { |
| u32 freq = priv->coreclock == 250000000 ? 2 : |
| priv->coreclock == 500000000 ? 1 : 0; |
| |
| sdx5_rmw(SD_LANE_MISC_CORE_CLK_FREQ_SET(freq), |
| SD_LANE_MISC_CORE_CLK_FREQ, |
| priv, |
| SD_LANE_MISC(macro->sidx)); |
| } |
| return 0; |
| } |
| |
| static int sparx5_cmu_apply_cfg(struct sparx5_serdes_private *priv, |
| u32 cmu_idx, |
| void __iomem *cmu_tgt, |
| void __iomem *cmu_cfg_tgt, |
| u32 spd10g) |
| { |
| void __iomem **regs = priv->regs; |
| struct device *dev = priv->dev; |
| int value; |
| |
| cmu_tgt = sdx5_inst_get(priv, TARGET_SD_CMU, cmu_idx); |
| cmu_cfg_tgt = sdx5_inst_get(priv, TARGET_SD_CMU_CFG, cmu_idx); |
| |
| if (cmu_idx == 1 || cmu_idx == 4 || cmu_idx == 7 || |
| cmu_idx == 10 || cmu_idx == 13) { |
| spd10g = 0; |
| } |
| |
| sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST_SET(1), |
| SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST, |
| cmu_cfg_tgt, |
| SD_CMU_CFG_SD_CMU_CFG(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST_SET(0), |
| SD_CMU_CFG_SD_CMU_CFG_EXT_CFG_RST, |
| cmu_cfg_tgt, |
| SD_CMU_CFG_SD_CMU_CFG(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_CMU_RST_SET(1), |
| SD_CMU_CFG_SD_CMU_CFG_CMU_RST, |
| cmu_cfg_tgt, |
| SD_CMU_CFG_SD_CMU_CFG(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_45_R_DWIDTHCTRL_FROM_HWT_SET(0x1) | |
| SD_CMU_CMU_45_R_REFCK_SSC_EN_FROM_HWT_SET(0x1) | |
| SD_CMU_CMU_45_R_LINK_BUF_EN_FROM_HWT_SET(0x1) | |
| SD_CMU_CMU_45_R_BIAS_EN_FROM_HWT_SET(0x1) | |
| SD_CMU_CMU_45_R_EN_RATECHG_CTRL_SET(0x0), |
| SD_CMU_CMU_45_R_DWIDTHCTRL_FROM_HWT | |
| SD_CMU_CMU_45_R_REFCK_SSC_EN_FROM_HWT | |
| SD_CMU_CMU_45_R_LINK_BUF_EN_FROM_HWT | |
| SD_CMU_CMU_45_R_BIAS_EN_FROM_HWT | |
| SD_CMU_CMU_45_R_EN_RATECHG_CTRL, |
| cmu_tgt, |
| SD_CMU_CMU_45(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_47_R_PCS2PMA_PHYMODE_4_0_SET(0), |
| SD_CMU_CMU_47_R_PCS2PMA_PHYMODE_4_0, |
| cmu_tgt, |
| SD_CMU_CMU_47(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_1B_CFG_RESERVE_7_0_SET(0), |
| SD_CMU_CMU_1B_CFG_RESERVE_7_0, |
| cmu_tgt, |
| SD_CMU_CMU_1B(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_0D_CFG_JC_BYP_SET(0x1), |
| SD_CMU_CMU_0D_CFG_JC_BYP, |
| cmu_tgt, |
| SD_CMU_CMU_0D(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_1F_CFG_VTUNE_SEL_SET(1), |
| SD_CMU_CMU_1F_CFG_VTUNE_SEL, |
| cmu_tgt, |
| SD_CMU_CMU_1F(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_00_CFG_PLL_TP_SEL_1_0_SET(3), |
| SD_CMU_CMU_00_CFG_PLL_TP_SEL_1_0, |
| cmu_tgt, |
| SD_CMU_CMU_00(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_05_CFG_BIAS_TP_SEL_1_0_SET(3), |
| SD_CMU_CMU_05_CFG_BIAS_TP_SEL_1_0, |
| cmu_tgt, |
| SD_CMU_CMU_05(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_30_R_PLL_DLOL_EN_SET(1), |
| SD_CMU_CMU_30_R_PLL_DLOL_EN, |
| cmu_tgt, |
| SD_CMU_CMU_30(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_09_CFG_SW_10G_SET(spd10g), |
| SD_CMU_CMU_09_CFG_SW_10G, |
| cmu_tgt, |
| SD_CMU_CMU_09(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CFG_SD_CMU_CFG_CMU_RST_SET(0), |
| SD_CMU_CFG_SD_CMU_CFG_CMU_RST, |
| cmu_cfg_tgt, |
| SD_CMU_CFG_SD_CMU_CFG(cmu_idx)); |
| |
| msleep(20); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_44_R_PLL_RSTN_SET(0), |
| SD_CMU_CMU_44_R_PLL_RSTN, |
| cmu_tgt, |
| SD_CMU_CMU_44(cmu_idx)); |
| |
| sdx5_inst_rmw(SD_CMU_CMU_44_R_PLL_RSTN_SET(1), |
| SD_CMU_CMU_44_R_PLL_RSTN, |
| cmu_tgt, |
| SD_CMU_CMU_44(cmu_idx)); |
| |
| msleep(20); |
| |
| value = readl(sdx5_addr(regs, SD_CMU_CMU_E0(cmu_idx))); |
| value = SD_CMU_CMU_E0_PLL_LOL_UDL_GET(value); |
| |
| if (value) { |
| dev_err(dev, "CMU PLL Loss of Lock: 0x%x\n", value); |
| return -EINVAL; |
| } |
| sdx5_inst_rmw(SD_CMU_CMU_0D_CFG_PMA_TX_CK_PD_SET(0), |
| SD_CMU_CMU_0D_CFG_PMA_TX_CK_PD, |
| cmu_tgt, |
| SD_CMU_CMU_0D(cmu_idx)); |
| return 0; |
| } |
| |
| static int sparx5_cmu_cfg(struct sparx5_serdes_private *priv, u32 cmu_idx) |
| { |
| void __iomem *cmu_tgt, *cmu_cfg_tgt; |
| u32 spd10g = 1; |
| |
| if (cmu_idx == 1 || cmu_idx == 4 || cmu_idx == 7 || |
| cmu_idx == 10 || cmu_idx == 13) { |
| spd10g = 0; |
| } |
| |
| cmu_tgt = sdx5_inst_get(priv, TARGET_SD_CMU, cmu_idx); |
| cmu_cfg_tgt = sdx5_inst_get(priv, TARGET_SD_CMU_CFG, cmu_idx); |
| |
| return sparx5_cmu_apply_cfg(priv, cmu_idx, cmu_tgt, cmu_cfg_tgt, spd10g); |
| } |
| |
| static int sparx5_serdes_cmu_enable(struct sparx5_serdes_private *priv) |
| { |
| int idx, err = 0; |
| |
| if (!priv->cmu_enabled) { |
| for (idx = 0; idx < SPX5_CMU_MAX; idx++) { |
| err = sparx5_cmu_cfg(priv, idx); |
| if (err) { |
| dev_err(priv->dev, "CMU %u, error: %d\n", idx, err); |
| goto leave; |
| } |
| } |
| priv->cmu_enabled = true; |
| } |
| leave: |
| return err; |
| } |
| |
| static int sparx5_serdes_get_serdesmode(phy_interface_t portmode, int speed) |
| { |
| switch (portmode) { |
| case PHY_INTERFACE_MODE_1000BASEX: |
| case PHY_INTERFACE_MODE_2500BASEX: |
| if (speed == SPEED_2500) |
| return SPX5_SD_MODE_2G5; |
| if (speed == SPEED_100) |
| return SPX5_SD_MODE_100FX; |
| return SPX5_SD_MODE_1000BASEX; |
| case PHY_INTERFACE_MODE_SGMII: |
| /* The same Serdes mode is used for both SGMII and 1000BaseX */ |
| return SPX5_SD_MODE_1000BASEX; |
| case PHY_INTERFACE_MODE_QSGMII: |
| return SPX5_SD_MODE_QSGMII; |
| case PHY_INTERFACE_MODE_10GBASER: |
| return SPX5_SD_MODE_SFI; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int sparx5_serdes_config(struct sparx5_serdes_macro *macro) |
| { |
| struct device *dev = macro->priv->dev; |
| int serdesmode; |
| int err; |
| |
| err = sparx5_serdes_cmu_enable(macro->priv); |
| if (err) |
| return err; |
| |
| serdesmode = sparx5_serdes_get_serdesmode(macro->portmode, macro->speed); |
| if (serdesmode < 0) { |
| dev_err(dev, "SerDes %u, interface not supported: %s\n", |
| macro->sidx, |
| phy_modes(macro->portmode)); |
| return serdesmode; |
| } |
| macro->serdesmode = serdesmode; |
| |
| sparx5_serdes_clock_config(macro); |
| |
| if (macro->serdestype == SPX5_SDT_25G) |
| err = sparx5_sd25g28_config(macro, false); |
| else |
| err = sparx5_sd10g28_config(macro, false); |
| if (err) { |
| dev_err(dev, "SerDes %u, config error: %d\n", |
| macro->sidx, err); |
| } |
| return err; |
| } |
| |
| static int sparx5_serdes_power_on(struct phy *phy) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| |
| return sparx5_serdes_power_save(macro, false); |
| } |
| |
| static int sparx5_serdes_power_off(struct phy *phy) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| |
| return sparx5_serdes_power_save(macro, true); |
| } |
| |
| static int sparx5_serdes_set_mode(struct phy *phy, enum phy_mode mode, int submode) |
| { |
| struct sparx5_serdes_macro *macro; |
| |
| if (mode != PHY_MODE_ETHERNET) |
| return -EINVAL; |
| |
| switch (submode) { |
| case PHY_INTERFACE_MODE_1000BASEX: |
| case PHY_INTERFACE_MODE_2500BASEX: |
| case PHY_INTERFACE_MODE_SGMII: |
| case PHY_INTERFACE_MODE_QSGMII: |
| case PHY_INTERFACE_MODE_10GBASER: |
| macro = phy_get_drvdata(phy); |
| macro->portmode = submode; |
| sparx5_serdes_config(macro); |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int sparx5_serdes_set_media(struct phy *phy, enum phy_media media) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| |
| if (media != macro->media) { |
| macro->media = media; |
| if (macro->serdesmode != SPX5_SD_MODE_NONE) |
| sparx5_serdes_config(macro); |
| } |
| return 0; |
| } |
| |
| static int sparx5_serdes_set_speed(struct phy *phy, int speed) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| |
| if (macro->sidx < SPX5_SERDES_10G_START && speed > SPEED_5000) |
| return -EINVAL; |
| if (macro->sidx < SPX5_SERDES_25G_START && speed > SPEED_10000) |
| return -EINVAL; |
| if (speed != macro->speed) { |
| macro->speed = speed; |
| if (macro->serdesmode != SPX5_SD_MODE_NONE) |
| sparx5_serdes_config(macro); |
| } |
| return 0; |
| } |
| |
| static int sparx5_serdes_reset(struct phy *phy) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| int err; |
| |
| err = sparx5_serdes_cmu_enable(macro->priv); |
| if (err) |
| return err; |
| if (macro->serdestype == SPX5_SDT_25G) |
| err = sparx5_sd25g28_config(macro, true); |
| else |
| err = sparx5_sd10g28_config(macro, true); |
| if (err) { |
| dev_err(&phy->dev, "SerDes %u, reset error: %d\n", |
| macro->sidx, err); |
| } |
| return err; |
| } |
| |
| static int sparx5_serdes_validate(struct phy *phy, enum phy_mode mode, |
| int submode, |
| union phy_configure_opts *opts) |
| { |
| struct sparx5_serdes_macro *macro = phy_get_drvdata(phy); |
| |
| if (mode != PHY_MODE_ETHERNET) |
| return -EINVAL; |
| |
| if (macro->speed == 0) |
| return -EINVAL; |
| |
| if (macro->sidx < SPX5_SERDES_10G_START && macro->speed > SPEED_5000) |
| return -EINVAL; |
| if (macro->sidx < SPX5_SERDES_25G_START && macro->speed > SPEED_10000) |
| return -EINVAL; |
| |
| switch (submode) { |
| case PHY_INTERFACE_MODE_1000BASEX: |
| if (macro->speed != SPEED_100 && /* This is for 100BASE-FX */ |
| macro->speed != SPEED_1000) |
| return -EINVAL; |
| break; |
| case PHY_INTERFACE_MODE_SGMII: |
| case PHY_INTERFACE_MODE_2500BASEX: |
| case PHY_INTERFACE_MODE_QSGMII: |
| if (macro->speed >= SPEED_5000) |
| return -EINVAL; |
| break; |
| case PHY_INTERFACE_MODE_10GBASER: |
| if (macro->speed < SPEED_5000) |
| return -EINVAL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static const struct phy_ops sparx5_serdes_ops = { |
| .power_on = sparx5_serdes_power_on, |
| .power_off = sparx5_serdes_power_off, |
| .set_mode = sparx5_serdes_set_mode, |
| .set_media = sparx5_serdes_set_media, |
| .set_speed = sparx5_serdes_set_speed, |
| .reset = sparx5_serdes_reset, |
| .validate = sparx5_serdes_validate, |
| .owner = THIS_MODULE, |
| }; |
| |
| static int sparx5_phy_create(struct sparx5_serdes_private *priv, |
| int idx, struct phy **phy) |
| { |
| struct sparx5_serdes_macro *macro; |
| |
| *phy = devm_phy_create(priv->dev, NULL, &sparx5_serdes_ops); |
| if (IS_ERR(*phy)) |
| return PTR_ERR(*phy); |
| |
| macro = devm_kzalloc(priv->dev, sizeof(*macro), GFP_KERNEL); |
| if (!macro) |
| return -ENOMEM; |
| |
| macro->sidx = idx; |
| macro->priv = priv; |
| macro->speed = SPEED_UNKNOWN; |
| if (idx < SPX5_SERDES_10G_START) { |
| macro->serdestype = SPX5_SDT_6G; |
| macro->stpidx = macro->sidx; |
| } else if (idx < SPX5_SERDES_25G_START) { |
| macro->serdestype = SPX5_SDT_10G; |
| macro->stpidx = macro->sidx - SPX5_SERDES_10G_START; |
| } else { |
| macro->serdestype = SPX5_SDT_25G; |
| macro->stpidx = macro->sidx - SPX5_SERDES_25G_START; |
| } |
| |
| phy_set_drvdata(*phy, macro); |
| |
| return 0; |
| } |
| |
| static struct sparx5_serdes_io_resource sparx5_serdes_iomap[] = { |
| { TARGET_SD_CMU, 0x0 }, /* 0x610808000: sd_cmu_0 */ |
| { TARGET_SD_CMU + 1, 0x8000 }, /* 0x610810000: sd_cmu_1 */ |
| { TARGET_SD_CMU + 2, 0x10000 }, /* 0x610818000: sd_cmu_2 */ |
| { TARGET_SD_CMU + 3, 0x18000 }, /* 0x610820000: sd_cmu_3 */ |
| { TARGET_SD_CMU + 4, 0x20000 }, /* 0x610828000: sd_cmu_4 */ |
| { TARGET_SD_CMU + 5, 0x28000 }, /* 0x610830000: sd_cmu_5 */ |
| { TARGET_SD_CMU + 6, 0x30000 }, /* 0x610838000: sd_cmu_6 */ |
| { TARGET_SD_CMU + 7, 0x38000 }, /* 0x610840000: sd_cmu_7 */ |
| { TARGET_SD_CMU + 8, 0x40000 }, /* 0x610848000: sd_cmu_8 */ |
| { TARGET_SD_CMU_CFG, 0x48000 }, /* 0x610850000: sd_cmu_cfg_0 */ |
| { TARGET_SD_CMU_CFG + 1, 0x50000 }, /* 0x610858000: sd_cmu_cfg_1 */ |
| { TARGET_SD_CMU_CFG + 2, 0x58000 }, /* 0x610860000: sd_cmu_cfg_2 */ |
| { TARGET_SD_CMU_CFG + 3, 0x60000 }, /* 0x610868000: sd_cmu_cfg_3 */ |
| { TARGET_SD_CMU_CFG + 4, 0x68000 }, /* 0x610870000: sd_cmu_cfg_4 */ |
| { TARGET_SD_CMU_CFG + 5, 0x70000 }, /* 0x610878000: sd_cmu_cfg_5 */ |
| { TARGET_SD_CMU_CFG + 6, 0x78000 }, /* 0x610880000: sd_cmu_cfg_6 */ |
| { TARGET_SD_CMU_CFG + 7, 0x80000 }, /* 0x610888000: sd_cmu_cfg_7 */ |
| { TARGET_SD_CMU_CFG + 8, 0x88000 }, /* 0x610890000: sd_cmu_cfg_8 */ |
| { TARGET_SD6G_LANE, 0x90000 }, /* 0x610898000: sd6g_lane_0 */ |
| { TARGET_SD6G_LANE + 1, 0x98000 }, /* 0x6108a0000: sd6g_lane_1 */ |
| { TARGET_SD6G_LANE + 2, 0xa0000 }, /* 0x6108a8000: sd6g_lane_2 */ |
| { TARGET_SD6G_LANE + 3, 0xa8000 }, /* 0x6108b0000: sd6g_lane_3 */ |
| { TARGET_SD6G_LANE + 4, 0xb0000 }, /* 0x6108b8000: sd6g_lane_4 */ |
| { TARGET_SD6G_LANE + 5, 0xb8000 }, /* 0x6108c0000: sd6g_lane_5 */ |
| { TARGET_SD6G_LANE + 6, 0xc0000 }, /* 0x6108c8000: sd6g_lane_6 */ |
| { TARGET_SD6G_LANE + 7, 0xc8000 }, /* 0x6108d0000: sd6g_lane_7 */ |
| { TARGET_SD6G_LANE + 8, 0xd0000 }, /* 0x6108d8000: sd6g_lane_8 */ |
| { TARGET_SD6G_LANE + 9, 0xd8000 }, /* 0x6108e0000: sd6g_lane_9 */ |
| { TARGET_SD6G_LANE + 10, 0xe0000 }, /* 0x6108e8000: sd6g_lane_10 */ |
| { TARGET_SD6G_LANE + 11, 0xe8000 }, /* 0x6108f0000: sd6g_lane_11 */ |
| { TARGET_SD6G_LANE + 12, 0xf0000 }, /* 0x6108f8000: sd6g_lane_12 */ |
| { TARGET_SD10G_LANE, 0xf8000 }, /* 0x610900000: sd10g_lane_0 */ |
| { TARGET_SD10G_LANE + 1, 0x100000 }, /* 0x610908000: sd10g_lane_1 */ |
| { TARGET_SD10G_LANE + 2, 0x108000 }, /* 0x610910000: sd10g_lane_2 */ |
| { TARGET_SD10G_LANE + 3, 0x110000 }, /* 0x610918000: sd10g_lane_3 */ |
| { TARGET_SD_LANE, 0x1a0000 }, /* 0x6109a8000: sd_lane_0 */ |
| { TARGET_SD_LANE + 1, 0x1a8000 }, /* 0x6109b0000: sd_lane_1 */ |
| { TARGET_SD_LANE + 2, 0x1b0000 }, /* 0x6109b8000: sd_lane_2 */ |
| { TARGET_SD_LANE + 3, 0x1b8000 }, /* 0x6109c0000: sd_lane_3 */ |
| { TARGET_SD_LANE + 4, 0x1c0000 }, /* 0x6109c8000: sd_lane_4 */ |
| { TARGET_SD_LANE + 5, 0x1c8000 }, /* 0x6109d0000: sd_lane_5 */ |
| { TARGET_SD_LANE + 6, 0x1d0000 }, /* 0x6109d8000: sd_lane_6 */ |
| { TARGET_SD_LANE + 7, 0x1d8000 }, /* 0x6109e0000: sd_lane_7 */ |
| { TARGET_SD_LANE + 8, 0x1e0000 }, /* 0x6109e8000: sd_lane_8 */ |
| { TARGET_SD_LANE + 9, 0x1e8000 }, /* 0x6109f0000: sd_lane_9 */ |
| { TARGET_SD_LANE + 10, 0x1f0000 }, /* 0x6109f8000: sd_lane_10 */ |
| { TARGET_SD_LANE + 11, 0x1f8000 }, /* 0x610a00000: sd_lane_11 */ |
| { TARGET_SD_LANE + 12, 0x200000 }, /* 0x610a08000: sd_lane_12 */ |
| { TARGET_SD_LANE + 13, 0x208000 }, /* 0x610a10000: sd_lane_13 */ |
| { TARGET_SD_LANE + 14, 0x210000 }, /* 0x610a18000: sd_lane_14 */ |
| { TARGET_SD_LANE + 15, 0x218000 }, /* 0x610a20000: sd_lane_15 */ |
| { TARGET_SD_LANE + 16, 0x220000 }, /* 0x610a28000: sd_lane_16 */ |
| { TARGET_SD_CMU + 9, 0x400000 }, /* 0x610c08000: sd_cmu_9 */ |
| { TARGET_SD_CMU + 10, 0x408000 }, /* 0x610c10000: sd_cmu_10 */ |
| { TARGET_SD_CMU + 11, 0x410000 }, /* 0x610c18000: sd_cmu_11 */ |
| { TARGET_SD_CMU + 12, 0x418000 }, /* 0x610c20000: sd_cmu_12 */ |
| { TARGET_SD_CMU + 13, 0x420000 }, /* 0x610c28000: sd_cmu_13 */ |
| { TARGET_SD_CMU_CFG + 9, 0x428000 }, /* 0x610c30000: sd_cmu_cfg_9 */ |
| { TARGET_SD_CMU_CFG + 10, 0x430000 }, /* 0x610c38000: sd_cmu_cfg_10 */ |
| { TARGET_SD_CMU_CFG + 11, 0x438000 }, /* 0x610c40000: sd_cmu_cfg_11 */ |
| { TARGET_SD_CMU_CFG + 12, 0x440000 }, /* 0x610c48000: sd_cmu_cfg_12 */ |
| { TARGET_SD_CMU_CFG + 13, 0x448000 }, /* 0x610c50000: sd_cmu_cfg_13 */ |
| { TARGET_SD10G_LANE + 4, 0x450000 }, /* 0x610c58000: sd10g_lane_4 */ |
| { TARGET_SD10G_LANE + 5, 0x458000 }, /* 0x610c60000: sd10g_lane_5 */ |
| { TARGET_SD10G_LANE + 6, 0x460000 }, /* 0x610c68000: sd10g_lane_6 */ |
| { TARGET_SD10G_LANE + 7, 0x468000 }, /* 0x610c70000: sd10g_lane_7 */ |
| { TARGET_SD10G_LANE + 8, 0x470000 }, /* 0x610c78000: sd10g_lane_8 */ |
| { TARGET_SD10G_LANE + 9, 0x478000 }, /* 0x610c80000: sd10g_lane_9 */ |
| { TARGET_SD10G_LANE + 10, 0x480000 }, /* 0x610c88000: sd10g_lane_10 */ |
| { TARGET_SD10G_LANE + 11, 0x488000 }, /* 0x610c90000: sd10g_lane_11 */ |
| { TARGET_SD25G_LANE, 0x490000 }, /* 0x610c98000: sd25g_lane_0 */ |
| { TARGET_SD25G_LANE + 1, 0x498000 }, /* 0x610ca0000: sd25g_lane_1 */ |
| { TARGET_SD25G_LANE + 2, 0x4a0000 }, /* 0x610ca8000: sd25g_lane_2 */ |
| { TARGET_SD25G_LANE + 3, 0x4a8000 }, /* 0x610cb0000: sd25g_lane_3 */ |
| { TARGET_SD25G_LANE + 4, 0x4b0000 }, /* 0x610cb8000: sd25g_lane_4 */ |
| { TARGET_SD25G_LANE + 5, 0x4b8000 }, /* 0x610cc0000: sd25g_lane_5 */ |
| { TARGET_SD25G_LANE + 6, 0x4c0000 }, /* 0x610cc8000: sd25g_lane_6 */ |
| { TARGET_SD25G_LANE + 7, 0x4c8000 }, /* 0x610cd0000: sd25g_lane_7 */ |
| { TARGET_SD_LANE + 17, 0x550000 }, /* 0x610d58000: sd_lane_17 */ |
| { TARGET_SD_LANE + 18, 0x558000 }, /* 0x610d60000: sd_lane_18 */ |
| { TARGET_SD_LANE + 19, 0x560000 }, /* 0x610d68000: sd_lane_19 */ |
| { TARGET_SD_LANE + 20, 0x568000 }, /* 0x610d70000: sd_lane_20 */ |
| { TARGET_SD_LANE + 21, 0x570000 }, /* 0x610d78000: sd_lane_21 */ |
| { TARGET_SD_LANE + 22, 0x578000 }, /* 0x610d80000: sd_lane_22 */ |
| { TARGET_SD_LANE + 23, 0x580000 }, /* 0x610d88000: sd_lane_23 */ |
| { TARGET_SD_LANE + 24, 0x588000 }, /* 0x610d90000: sd_lane_24 */ |
| { TARGET_SD_LANE_25G, 0x590000 }, /* 0x610d98000: sd_lane_25g_25 */ |
| { TARGET_SD_LANE_25G + 1, 0x598000 }, /* 0x610da0000: sd_lane_25g_26 */ |
| { TARGET_SD_LANE_25G + 2, 0x5a0000 }, /* 0x610da8000: sd_lane_25g_27 */ |
| { TARGET_SD_LANE_25G + 3, 0x5a8000 }, /* 0x610db0000: sd_lane_25g_28 */ |
| { TARGET_SD_LANE_25G + 4, 0x5b0000 }, /* 0x610db8000: sd_lane_25g_29 */ |
| { TARGET_SD_LANE_25G + 5, 0x5b8000 }, /* 0x610dc0000: sd_lane_25g_30 */ |
| { TARGET_SD_LANE_25G + 6, 0x5c0000 }, /* 0x610dc8000: sd_lane_25g_31 */ |
| { TARGET_SD_LANE_25G + 7, 0x5c8000 }, /* 0x610dd0000: sd_lane_25g_32 */ |
| }; |
| |
| /* Client lookup function, uses serdes index */ |
| static struct phy *sparx5_serdes_xlate(struct device *dev, |
| struct of_phandle_args *args) |
| { |
| struct sparx5_serdes_private *priv = dev_get_drvdata(dev); |
| int idx; |
| unsigned int sidx; |
| |
| if (args->args_count != 1) |
| return ERR_PTR(-EINVAL); |
| |
| sidx = args->args[0]; |
| |
| /* Check validity: ERR_PTR(-ENODEV) if not valid */ |
| for (idx = 0; idx < SPX5_SERDES_MAX; idx++) { |
| struct sparx5_serdes_macro *macro = |
| phy_get_drvdata(priv->phys[idx]); |
| |
| if (sidx != macro->sidx) |
| continue; |
| |
| return priv->phys[idx]; |
| } |
| return ERR_PTR(-ENODEV); |
| } |
| |
| static int sparx5_serdes_probe(struct platform_device *pdev) |
| { |
| struct device_node *np = pdev->dev.of_node; |
| struct sparx5_serdes_private *priv; |
| struct phy_provider *provider; |
| struct resource *iores; |
| void __iomem *iomem; |
| unsigned long clock; |
| struct clk *clk; |
| int idx; |
| int err; |
| |
| if (!np && !pdev->dev.platform_data) |
| return -ENODEV; |
| |
| priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| platform_set_drvdata(pdev, priv); |
| priv->dev = &pdev->dev; |
| |
| /* Get coreclock */ |
| clk = devm_clk_get(priv->dev, NULL); |
| if (IS_ERR(clk)) { |
| dev_err(priv->dev, "Failed to get coreclock\n"); |
| return PTR_ERR(clk); |
| } |
| clock = clk_get_rate(clk); |
| if (clock == 0) { |
| dev_err(priv->dev, "Invalid coreclock %lu\n", clock); |
| return -EINVAL; |
| } |
| priv->coreclock = clock; |
| |
| iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| if (!iores) { |
| dev_err(priv->dev, "Invalid resource\n"); |
| return -EINVAL; |
| } |
| iomem = devm_ioremap(priv->dev, iores->start, resource_size(iores)); |
| if (!iomem) { |
| dev_err(priv->dev, "Unable to get serdes registers: %s\n", |
| iores->name); |
| return -ENOMEM; |
| } |
| for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) { |
| struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx]; |
| |
| priv->regs[iomap->id] = iomem + iomap->offset; |
| } |
| for (idx = 0; idx < SPX5_SERDES_MAX; idx++) { |
| err = sparx5_phy_create(priv, idx, &priv->phys[idx]); |
| if (err) |
| return err; |
| } |
| |
| provider = devm_of_phy_provider_register(priv->dev, sparx5_serdes_xlate); |
| |
| return PTR_ERR_OR_ZERO(provider); |
| } |
| |
| static const struct of_device_id sparx5_serdes_match[] = { |
| { .compatible = "microchip,sparx5-serdes" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, sparx5_serdes_match); |
| |
| static struct platform_driver sparx5_serdes_driver = { |
| .probe = sparx5_serdes_probe, |
| .driver = { |
| .name = "sparx5-serdes", |
| .of_match_table = sparx5_serdes_match, |
| }, |
| }; |
| |
| module_platform_driver(sparx5_serdes_driver); |
| |
| MODULE_DESCRIPTION("Microchip Sparx5 switch serdes driver"); |
| MODULE_AUTHOR("Steen Hegelund <steen.hegelund@microchip.com>"); |
| MODULE_LICENSE("GPL v2"); |
