diff options
author | Sandeep Maheswaram <sanm@codeaurora.org> | 2021-07-05 11:11:48 +0530 |
---|---|---|
committer | Shelley Chen <shchen@google.com> | 2021-11-29 23:43:49 +0000 |
commit | 6c2b86069174badc03594e0bbed7ac9a42bc7b46 (patch) | |
tree | acd520a8d5641ec8723e9f437bacc2449d638969 /src/soc/qualcomm/common/usb | |
parent | f6205d3deb8f0b2f22cb2ccc8d708312aeb2c8fa (diff) |
soc/qualcomm/common/usb: Add support for common USB driver
Add common USB driver for qualcomm soc sc7180 and sc7280.
This includes dwc3 controller, qmp ss phy, qusb hs phy and snsp hs phy.
BUG=b:182963902
TEST=Validated USB enumeration on qcom sc7180 and
sc7280 development board
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Change-Id: I1013ded22855286220cfa747cb25418070fe85a7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56091
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/qualcomm/common/usb')
-rw-r--r-- | src/soc/qualcomm/common/usb/qmpv3_usb_phy.c | 415 | ||||
-rw-r--r-- | src/soc/qualcomm/common/usb/qmpv4_usb_phy.c | 411 | ||||
-rw-r--r-- | src/soc/qualcomm/common/usb/qusb_phy.c | 139 | ||||
-rw-r--r-- | src/soc/qualcomm/common/usb/snps_usb_phy.c | 86 | ||||
-rw-r--r-- | src/soc/qualcomm/common/usb/usb.c | 141 |
5 files changed, 1192 insertions, 0 deletions
diff --git a/src/soc/qualcomm/common/usb/qmpv3_usb_phy.c b/src/soc/qualcomm/common/usb/qmpv3_usb_phy.c new file mode 100644 index 0000000000..fc560ffae7 --- /dev/null +++ b/src/soc/qualcomm/common/usb/qmpv3_usb_phy.c @@ -0,0 +1,415 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <timer.h> +#include <soc/usb/qmp_usb_phy.h> +#include <soc/addressmap.h> + +/* Only for QMP V3 PHY - QSERDES COM registers */ +struct usb3_phy_qserdes_com_reg_layout { + u8 _reserved1[16]; + u32 com_ssc_en_center; + u32 com_ssc_adj_per1; + u32 com_ssc_adj_per2; + u32 com_ssc_per1; + u32 com_ssc_per2; + u32 com_ssc_step_size1; + u32 com_ssc_step_size2; + u8 _reserved2[8]; + u32 com_bias_en_clkbuflr_en; + u32 com_sys_clk_enable1; + u32 com_sys_clk_ctrl; + u32 com_sysclk_buf_enable; + u32 com_pll_en; + u32 com_pll_ivco; + u8 _reserved3[20]; + u32 com_cp_ctrl_mode0; + u8 _reserved4[4]; + u32 com_pll_rctrl_mode0; + u8 _reserved5[4]; + u32 com_pll_cctrl_mode0; + u8 _reserved6[12]; + u32 com_sysclk_en_sel; + u8 _reserved7[8]; + u32 com_resetsm_ctrl2; + u32 com_lock_cmp_en; + u32 com_lock_cmp_cfg; + u32 com_lock_cmp1_mode0; + u32 com_lock_cmp2_mode0; + u32 com_lock_cmp3_mode0; + u8 _reserved8[12]; + u32 com_dec_start_mode0; + u8 _reserved9[4]; + u32 com_div_frac_start1_mode0; + u32 com_div_frac_start2_mode0; + u32 com_div_frac_start3_mode0; + u8 _reserved10[20]; + u32 com_integloop_gain0_mode0; + u32 com_integloop_gain1_mode0; + u8 _reserved11[16]; + u32 com_vco_tune_map; + u32 com_vco_tune1_mode0; + u32 com_vco_tune2_mode0; + u8 _reserved12[60]; + u32 com_clk_select; + u32 com_hsclk_sel; + u8 _reserved13[8]; + u32 com_coreclk_div_mode0; + u8 _reserved14[8]; + u32 com_core_clk_en; + u32 com_c_ready_status; + u32 com_cmn_config; + u32 com_cmn_rate_override; + u32 com_svs_mode_clk_sel; +}; +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_en_center, 0x010); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per1, 0x014); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per2, 0x018); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per1, 0x01c); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per2, 0x020); +check_member(usb3_phy_qserdes_com_reg_layout, com_bias_en_clkbuflr_en, 0x034); +check_member(usb3_phy_qserdes_com_reg_layout, com_pll_ivco, 0x048); +check_member(usb3_phy_qserdes_com_reg_layout, com_cp_ctrl_mode0, 0x060); +check_member(usb3_phy_qserdes_com_reg_layout, com_sysclk_en_sel, 0x080); +check_member(usb3_phy_qserdes_com_reg_layout, com_resetsm_ctrl2, 0x08c); +check_member(usb3_phy_qserdes_com_reg_layout, com_dec_start_mode0, 0x0b0); +check_member(usb3_phy_qserdes_com_reg_layout, com_div_frac_start1_mode0, 0x0b8); +check_member(usb3_phy_qserdes_com_reg_layout, com_integloop_gain0_mode0, 0x0d8); +check_member(usb3_phy_qserdes_com_reg_layout, com_vco_tune_map, 0x0f0); +check_member(usb3_phy_qserdes_com_reg_layout, com_clk_select, 0x138); +check_member(usb3_phy_qserdes_com_reg_layout, com_coreclk_div_mode0, 0x148); +check_member(usb3_phy_qserdes_com_reg_layout, com_core_clk_en, 0x154); +check_member(usb3_phy_qserdes_com_reg_layout, com_svs_mode_clk_sel, 0x164); + +/* Only for QMP V3 PHY - TX registers */ +struct usb3_phy_qserdes_tx_reg_layout { + u8 _reserved1[68]; + u32 tx_res_code_lane_offset_tx; + u32 tx_res_code_lane_offset_rx; + u8 _reserved2[20]; + u32 tx_highz_drvr_en; + u8 _reserved3[40]; + u32 tx_lane_mode_1; + u8 _reserved4[20]; + u32 tx_rcv_detect_lvl_2; +}; +check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_tx, 0x044); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_rx, 0x048); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_highz_drvr_en, 0x060); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_lane_mode_1, 0x08c); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_rcv_detect_lvl_2, 0x0a4); + +/* Only for QMP V3 PHY - RX registers */ +struct usb3_phy_qserdes_rx_reg_layout { + u8 _reserved1[8]; + u32 rx_ucdr_fo_gain; + u32 rx_ucdr_so_gain_half; + u8 _reserved2[32]; + u32 rx_ucdr_fastlock_fo_gain; + u32 rx_ucdr_so_saturtn_and_en; + u8 _reserved3[12]; + u32 rx_ucdr_pi_cntrls; + u8 _reserved4[120]; + u32 rx_vga_cal_ctrl2; + u8 _reserved5[16]; + u32 rx_rx_equ_adap_ctrl2; + u32 rx_rx_equ_adap_ctrl3; + u32 rx_rx_equ_adap_ctrl4; + u8 _reserved6[24]; + u32 rx_rx_eq_offset_adap_ctrl1; + u32 rx_rx_offset_adap_ctrl2; + u32 rx_sigdet_enables; + u32 rx_sigdet_ctrl; + u8 _reserved7[4]; + u32 rx_sigdet_deglitch_ctrl; + u32 rx_rx_band; + u8 _reserved8[80]; + u32 rx_rx_mode_00; +}; +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_fo_gain, 0x008); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_so_gain_half, 0x00c); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_fastlock_fo_gain, 0x030); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_so_saturtn_and_en, 0x034); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_pi_cntrls, 0x044); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_vga_cal_ctrl2, 0x0c0); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl2, 0x0d4); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl3, 0x0d8); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl4, 0x0dc); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_eq_offset_adap_ctrl1, 0x0f8); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_offset_adap_ctrl2, 0x0fc); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_enables, 0x100); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_ctrl, 0x104); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_deglitch_ctrl, 0x10c); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_band, 0x110); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_mode_00, 0x164); + +/* Only for QMP V3 PHY - PCS registers */ +struct usb3_phy_pcs_reg_layout { + u32 pcs_sw_reset; + u32 pcs_power_down_control; + u32 pcs_start_control; + u32 pcs_txmgn_v0; + u32 pcs_txmgn_v1; + u32 pcs_txmgn_v2; + u32 pcs_txmgn_v3; + u32 pcs_txmgn_v4; + u32 pcs_txmgn_ls; + u32 pcs_txdeemph_m6db_v0; + u32 pcs_txdeemph_m3p5db_v0; + u32 pcs_txdeemph_m6db_v1; + u32 pcs_txdeemph_m3p5db_v1; + u32 pcs_txdeemph_m6db_v2; + u32 pcs_txdeemph_m3p5db_v2; + u32 pcs_txdeemph_m6db_v3; + u32 pcs_txdeemph_m3p5db_v3; + u32 pcs_txdeemph_m6db_v4; + u32 pcs_txdeemph_m3p5db_v4; + u32 pcs_txdeemph_m6db_ls; + u32 pcs_txdeemph_m3p5db_ls; + u8 _reserved1[8]; + u32 pcs_rate_slew_cntrl; + u8 _reserved2[4]; + u32 pcs_power_state_config2; + u8 _reserved3[8]; + u32 pcs_rcvr_dtct_dly_p1u2_l; + u32 pcs_rcvr_dtct_dly_p1u2_h; + u32 pcs_rcvr_dtct_dly_u3_l; + u32 pcs_rcvr_dtct_dly_u3_h; + u32 pcs_lock_detect_config1; + u32 pcs_lock_detect_config2; + u32 pcs_lock_detect_config3; + u32 pcs_tsync_rsync_time; + u8 _reserved4[16]; + u32 pcs_pwrup_reset_dly_time_auxclk; + u8 _reserved5[12]; + u32 pcs_lfps_ecstart_eqtlock; + u8 _reserved6[4]; + u32 pcs_rxeqtraining_wait_time; + u32 pcs_rxeqtraining_run_time; + u8 _reserved7[4]; + u32 pcs_fll_ctrl1; + u32 pcs_fll_ctrl2; + u32 pcs_fll_cnt_val_l; + u32 pcs_fll_cnt_val_h_tol; + u32 pcs_fll_man_code; + u32 pcs_autonomous_mode_ctrl; + u8 _reserved8[152]; + u32 pcs_ready_status; + u8 _reserved9[96]; + u32 pcs_rx_sigdet_lvl; + u8 _reserved10[48]; + u32 pcs_refgen_req_config1; + u32 pcs_refgen_req_config2; +}; +check_member(usb3_phy_pcs_reg_layout, pcs_sw_reset, 0x000); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v0, 0x00c); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v1, 0x010); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v2, 0x014); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v3, 0x018); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v4, 0x01c); +check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_ls, 0x020); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v0, 0x024); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v0, 0x028); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v1, 0x02c); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v1, 0x030); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v2, 0x034); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v2, 0x038); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v3, 0x03c); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v3, 0x040); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v4, 0x044); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v4, 0x048); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_ls, 0x04c); +check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_ls, 0x050); +check_member(usb3_phy_pcs_reg_layout, pcs_rate_slew_cntrl, 0x05c); +check_member(usb3_phy_pcs_reg_layout, pcs_power_state_config2, 0x064); +check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_p1u2_l, 0x070); +check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_p1u2_h, 0x074); +check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_u3_l, 0x078); +check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_u3_h, 0x07c); +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config1, 0x080); +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config2, 0x084); +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config3, 0x088); +check_member(usb3_phy_pcs_reg_layout, pcs_pwrup_reset_dly_time_auxclk, 0x0a0); +check_member(usb3_phy_pcs_reg_layout, pcs_rxeqtraining_wait_time, 0x0b8); +check_member(usb3_phy_pcs_reg_layout, pcs_fll_cnt_val_h_tol, 0x0d0); +check_member(usb3_phy_pcs_reg_layout, pcs_autonomous_mode_ctrl, 0x0d8); +check_member(usb3_phy_pcs_reg_layout, pcs_ready_status, 0x174); +check_member(usb3_phy_pcs_reg_layout, pcs_refgen_req_config2, 0x210); + +static struct usb3_phy_qserdes_com_reg_layout *const qserdes_com_reg_layout = + (void *)QMP_PHY_QSERDES_COM_REG_BASE; +static struct usb3_phy_qserdes_tx_reg_layout *const qserdes_tx_reg_layout = + (void *)QMP_PHY_QSERDES_TX_REG_BASE; +static struct usb3_phy_qserdes_rx_reg_layout *const qserdes_rx_reg_layout = + (void *)QMP_PHY_QSERDES_RX_REG_BASE; +static struct usb3_phy_pcs_reg_layout *const pcs_reg_layout = + (void *)QMP_PHY_PCS_REG_BASE; + + +static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = { + {&qserdes_com_reg_layout->com_pll_ivco, 0x07}, + {&qserdes_com_reg_layout->com_sysclk_en_sel, 0x14}, + {&qserdes_com_reg_layout->com_bias_en_clkbuflr_en, 0x08}, + {&qserdes_com_reg_layout->com_clk_select, 0x30}, + {&qserdes_com_reg_layout->com_sys_clk_ctrl, 0x02}, + {&qserdes_com_reg_layout->com_resetsm_ctrl2, 0x08}, + {&qserdes_com_reg_layout->com_cmn_config, 0x16}, + {&qserdes_com_reg_layout->com_svs_mode_clk_sel, 0x01}, + {&qserdes_com_reg_layout->com_hsclk_sel, 0x80}, + {&qserdes_com_reg_layout->com_dec_start_mode0, 0x82}, + {&qserdes_com_reg_layout->com_div_frac_start1_mode0, 0xab}, + {&qserdes_com_reg_layout->com_div_frac_start2_mode0, 0xea}, + {&qserdes_com_reg_layout->com_div_frac_start3_mode0, 0x02}, + {&qserdes_com_reg_layout->com_cp_ctrl_mode0, 0x06}, + {&qserdes_com_reg_layout->com_pll_rctrl_mode0, 0x16}, + {&qserdes_com_reg_layout->com_pll_cctrl_mode0, 0x36}, + {&qserdes_com_reg_layout->com_integloop_gain1_mode0, 0x00}, + {&qserdes_com_reg_layout->com_integloop_gain0_mode0, 0x3f}, + {&qserdes_com_reg_layout->com_vco_tune2_mode0, 0x01}, + {&qserdes_com_reg_layout->com_vco_tune1_mode0, 0xc9}, + {&qserdes_com_reg_layout->com_coreclk_div_mode0, 0x0a}, + {&qserdes_com_reg_layout->com_lock_cmp3_mode0, 0x00}, + {&qserdes_com_reg_layout->com_lock_cmp2_mode0, 0x34}, + {&qserdes_com_reg_layout->com_lock_cmp1_mode0, 0x15}, + {&qserdes_com_reg_layout->com_lock_cmp_en, 0x04}, + {&qserdes_com_reg_layout->com_core_clk_en, 0x00}, + {&qserdes_com_reg_layout->com_lock_cmp_cfg, 0x00}, + {&qserdes_com_reg_layout->com_vco_tune_map, 0x00}, + {&qserdes_com_reg_layout->com_sysclk_buf_enable, 0x0a}, + {&qserdes_com_reg_layout->com_ssc_en_center, 0x01}, + {&qserdes_com_reg_layout->com_ssc_per1, 0x31}, + {&qserdes_com_reg_layout->com_ssc_per2, 0x01}, + {&qserdes_com_reg_layout->com_ssc_adj_per1, 0x00}, + {&qserdes_com_reg_layout->com_ssc_adj_per2, 0x00}, + {&qserdes_com_reg_layout->com_ssc_step_size1, 0x85}, + {&qserdes_com_reg_layout->com_ssc_step_size2, 0x07}, +}; + +static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = { + {&qserdes_tx_reg_layout->tx_highz_drvr_en, 0x10}, + {&qserdes_tx_reg_layout->tx_rcv_detect_lvl_2, 0x12}, + {&qserdes_tx_reg_layout->tx_lane_mode_1, 0x16}, + {&qserdes_tx_reg_layout->tx_res_code_lane_offset_rx, 0x09}, + {&qserdes_tx_reg_layout->tx_res_code_lane_offset_tx, 0x06}, +}; + +static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = { + {&qserdes_rx_reg_layout->rx_ucdr_fastlock_fo_gain, 0x0b}, + {&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl2, 0x0f}, + {&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl3, 0x4e}, + {&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl4, 0x18}, + {&qserdes_rx_reg_layout->rx_rx_eq_offset_adap_ctrl1, 0x77}, + {&qserdes_rx_reg_layout->rx_rx_offset_adap_ctrl2, 0x80}, + {&qserdes_rx_reg_layout->rx_sigdet_ctrl, 0x03}, + {&qserdes_rx_reg_layout->rx_sigdet_deglitch_ctrl, 0x16}, + {&qserdes_rx_reg_layout->rx_ucdr_so_saturtn_and_en, 0x75}, + {&qserdes_rx_reg_layout->rx_ucdr_pi_cntrls, 0x80}, + {&qserdes_rx_reg_layout->rx_ucdr_fo_gain, 0x0a}, + {&qserdes_rx_reg_layout->rx_ucdr_so_gain_half, 0x06}, + {&qserdes_rx_reg_layout->rx_sigdet_enables, 0x00}, +}; + +static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = { + /* FLL settings */ + {&pcs_reg_layout->pcs_fll_ctrl2, 0x83}, + {&pcs_reg_layout->pcs_fll_cnt_val_l, 0x09}, + {&pcs_reg_layout->pcs_fll_cnt_val_h_tol, 0xa2}, + {&pcs_reg_layout->pcs_fll_man_code, 0x40}, + {&pcs_reg_layout->pcs_fll_ctrl1, 0x02}, + + /* Lock Det settings */ + {&pcs_reg_layout->pcs_lock_detect_config1, 0xd1}, + {&pcs_reg_layout->pcs_lock_detect_config2, 0x1f}, + {&pcs_reg_layout->pcs_lock_detect_config3, 0x47}, + {&pcs_reg_layout->pcs_power_state_config2, 0x1b}, + + {&pcs_reg_layout->pcs_rx_sigdet_lvl, 0xba}, + {&pcs_reg_layout->pcs_txmgn_v0, 0x9f}, + {&pcs_reg_layout->pcs_txmgn_v1, 0x9f}, + {&pcs_reg_layout->pcs_txmgn_v2, 0xb7}, + {&pcs_reg_layout->pcs_txmgn_v3, 0x4e}, + {&pcs_reg_layout->pcs_txmgn_v4, 0x65}, + {&pcs_reg_layout->pcs_txmgn_ls, 0x6b}, + {&pcs_reg_layout->pcs_txdeemph_m6db_v0, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_v0, 0x0d}, + {&pcs_reg_layout->pcs_txdeemph_m6db_v1, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_v1, 0x0d}, + {&pcs_reg_layout->pcs_txdeemph_m6db_v2, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_v2, 0x0d}, + {&pcs_reg_layout->pcs_txdeemph_m6db_v3, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_v3, 0x1d}, + {&pcs_reg_layout->pcs_txdeemph_m6db_v4, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_v4, 0x0d}, + {&pcs_reg_layout->pcs_txdeemph_m6db_ls, 0x15}, + {&pcs_reg_layout->pcs_txdeemph_m3p5db_ls, 0x0d}, + {&pcs_reg_layout->pcs_rate_slew_cntrl, 0x02}, + {&pcs_reg_layout->pcs_pwrup_reset_dly_time_auxclk, 0x04}, + {&pcs_reg_layout->pcs_tsync_rsync_time, 0x44}, + {&pcs_reg_layout->pcs_rcvr_dtct_dly_p1u2_l, 0xe7}, + {&pcs_reg_layout->pcs_rcvr_dtct_dly_p1u2_h, 0x03}, + {&pcs_reg_layout->pcs_rcvr_dtct_dly_u3_l, 0x40}, + {&pcs_reg_layout->pcs_rcvr_dtct_dly_u3_h, 0x00}, + {&pcs_reg_layout->pcs_rxeqtraining_wait_time, 0x75}, + {&pcs_reg_layout->pcs_lfps_ecstart_eqtlock, 0x86}, + {&pcs_reg_layout->pcs_rxeqtraining_run_time, 0x13}, +}; + +struct ss_usb_phy_reg qmp_v3_usb_phy = { + .serdes_tbl = qmp_v3_usb3_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl), + .tx_tbl = qmp_v3_usb3_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl), + .rx_tbl = qmp_v3_usb3_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl), + .pcs_tbl = qmp_v3_usb3_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl), + .qmp_pcs_reg = (void *)QMP_PHY_PCS_REG_BASE, +}; + +static void qcom_qmp_phy_configure(const struct qmp_phy_init_tbl tbl[], + int num) +{ + int i; + const struct qmp_phy_init_tbl *t = tbl; + + if (!t) + return; + + for (i = 0; i < num; i++, t++) + write32(t->address, t->val); +} + +void ss_qmp_phy_init(void) +{ + struct ss_usb_phy_reg *ss_phy_reg; + + ss_phy_reg = &qmp_v3_usb_phy; + /* power up USB3 PHY */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_power_down_control, 0x01); + + /* Serdes configuration */ + qcom_qmp_phy_configure(ss_phy_reg->serdes_tbl, + ss_phy_reg->serdes_tbl_num); + /* Tx, Rx, and PCS configurations */ + qcom_qmp_phy_configure(ss_phy_reg->tx_tbl, ss_phy_reg->tx_tbl_num); + qcom_qmp_phy_configure(ss_phy_reg->rx_tbl, ss_phy_reg->rx_tbl_num); + qcom_qmp_phy_configure(ss_phy_reg->pcs_tbl, ss_phy_reg->pcs_tbl_num); + + /* perform software reset of PCS/Serdes */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_sw_reset, 0x00); + /* start PCS/Serdes to operation mode */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_start_control, 0x03); + + /* + * Wait for PHY initialization to be done + * PCS_STATUS: wait for 1ms for PHY STATUS; + * SW can continuously check for PHYSTATUS = 1.b0. + */ + long lock_us = wait_us(10000, + !(read32(&ss_phy_reg->qmp_pcs_reg->pcs_ready_status) & + USB3_PCS_PHYSTATUS)); + if (!lock_us) + printk(BIOS_ERR, "ERROR: QMP PHY PLL LOCK fails:\n"); + else + printk(BIOS_DEBUG, "QMP PHY initialized and locked in %ldus\n", + lock_us); +} diff --git a/src/soc/qualcomm/common/usb/qmpv4_usb_phy.c b/src/soc/qualcomm/common/usb/qmpv4_usb_phy.c new file mode 100644 index 0000000000..031e2cfb2b --- /dev/null +++ b/src/soc/qualcomm/common/usb/qmpv4_usb_phy.c @@ -0,0 +1,411 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <timer.h> +#include <soc/usb/qmp_usb_phy.h> +#include <soc/addressmap.h> + + +/* Only for QMP V4 PHY - QSERDES COM registers */ +struct usb3_phy_qserdes_com_reg_layout { + u8 _reserved1[16]; + u32 com_ssc_en_center; + u32 com_ssc_adj_per1; + u32 com_ssc_adj_per2; + u32 com_ssc_per1; + u32 com_ssc_per2; + u32 com_ssc_step_size1_mode0; + u32 com_ssc_step_size2_mode0; + u32 com_ssc_step_size3_mode0; + u32 com_ssc_step_size1_mode1; + u32 com_ssc_step_size2_mode1; + u32 com_ssc_step_size3_mode1; + u8 _reserved2[8]; + u32 com_bias_en_clkbuflr_en; + u32 com_sys_clk_enable1; + u32 com_sys_clk_ctrl; + u32 com_sysclk_buf_enable; + u32 com_pll_en; + u32 com_pll_ivco; + u8 _reserved3[4]; + u32 com_cmn_iptrim; + u8 _reserved4[16]; + u32 com_cp_ctrl_mode0; + u32 com_cp_ctrl_mode1; + u32 com_pll_rctrl_mode0; + u32 com_pll_rctrl_mode1; + u32 com_pll_cctrl_mode0; + u32 com_pll_cctrl_mode1; + u8 _reserved6[8]; + u32 com_sysclk_en_sel; + u8 _reserved7[8]; + u32 com_resetsm_ctrl2; + u32 com_lock_cmp_en; + u32 com_lock_cmp_cfg; + u32 com_lock_cmp1_mode0; + u32 com_lock_cmp2_mode0; + u32 com_lock_cmp1_mode1; + u32 com_lock_cmp2_mode1; + u32 com_dec_start_mode0; + u8 _reserved8[4]; + u32 com_dec_start_mode1; + u8 _reserved9[4]; + u32 com_div_frac_start1_mode0; + u32 com_div_frac_start2_mode0; + u32 com_div_frac_start3_mode0; + u32 com_div_frac_start1_mode1; + u32 com_div_frac_start2_mode1; + u32 com_div_frac_start3_mode1; + u8 _reserved10[8]; + u32 com_integloop_gain0_mode0; + u32 com_integloop_gain1_mode0; + u8 _reserved11[24]; + u32 com_vco_tune_map; + u32 com_vco_tune1_mode0; + u32 com_vco_tune2_mode0; + u32 com_vco_tune1_mode1; + u32 com_vco_tune2_mode1; + u8 _reserved12[52]; + u32 com_clk_select; + u32 com_hsclk_sel; + u8 _reserved13[12]; + u32 com_coreclk_div_mode0; + u32 com_coreclk_div_mode1; + u8 _reserved14[4]; + u32 com_core_clk_en; + u32 com_c_ready_status; + u32 com_cmn_config; + u32 com_cmn_rate_override; + u32 com_svs_mode_clk_sel; + u8 _reserved15[36]; + u32 com_bin_vcocal_cmp_code1_mode0; + u32 com_bin_vcocal_cmp_code2_mode0; + u32 com_bin_vcocal_cmp_code1_mode1; + u32 com_bin_vcocal_cmp_code2_mode1; + u32 com_bin_vcocal_hsclk_sel; +}; + +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_en_center, 0x010); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per1, 0x014); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per2, 0x018); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per1, 0x01c); +check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per2, 0x020); +check_member(usb3_phy_qserdes_com_reg_layout, com_bias_en_clkbuflr_en, 0x044); +check_member(usb3_phy_qserdes_com_reg_layout, com_pll_ivco, 0x058); +check_member(usb3_phy_qserdes_com_reg_layout, com_cp_ctrl_mode0, 0x074); +check_member(usb3_phy_qserdes_com_reg_layout, com_sysclk_en_sel, 0x094); +check_member(usb3_phy_qserdes_com_reg_layout, com_resetsm_ctrl2, 0x0a0); +check_member(usb3_phy_qserdes_com_reg_layout, com_dec_start_mode0, 0x0bc); +check_member(usb3_phy_qserdes_com_reg_layout, com_div_frac_start1_mode0, 0x0cc); +check_member(usb3_phy_qserdes_com_reg_layout, com_integloop_gain0_mode0, 0x0ec); +check_member(usb3_phy_qserdes_com_reg_layout, com_vco_tune_map, 0x010c); +check_member(usb3_phy_qserdes_com_reg_layout, com_clk_select, 0x154); +check_member(usb3_phy_qserdes_com_reg_layout, com_coreclk_div_mode0, 0x168); +check_member(usb3_phy_qserdes_com_reg_layout, com_core_clk_en, 0x174); +check_member(usb3_phy_qserdes_com_reg_layout, com_svs_mode_clk_sel, 0x184); +check_member(usb3_phy_qserdes_com_reg_layout, com_bin_vcocal_hsclk_sel, 0x1bc); + +/* Only for QMP V4 PHY - TX registers */ +struct usb3_phy_qserdes_tx_reg_layout { + u8 _reserved1[52]; + u32 tx_res_code_lane_tx; + u32 tx_res_code_lane_rx; + u32 tx_res_code_lane_offset_tx; + u32 tx_res_code_lane_offset_rx; + u8 _reserved2[64]; + u32 tx_lane_mode_1; + u8 _reserved3[20]; + u32 tx_rcv_detect_lvl_2; + u8 _reserved4[100]; + u32 tx_pi_qec_ctrl; +}; +check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_tx, 0x03c); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_rx, 0x040); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_lane_mode_1, 0x084); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_rcv_detect_lvl_2, 0x09c); +check_member(usb3_phy_qserdes_tx_reg_layout, tx_pi_qec_ctrl, 0x104); + +/* Only for QMP V4 PHY - RX registers */ +struct usb3_phy_qserdes_rx_reg_layout { + u8 _reserved1[20]; + u32 rx_ucdr_so_gain; + u8 _reserved2[24]; + u32 rx_ucdr_fastlock_fo_gain; + u32 rx_ucdr_so_saturation_and_enable; + u8 _reserved3[4]; + u32 rx_ucdr_fastlock_count_low; + u32 rx_ucdr_fastlock_count_high; + u32 rx_ucdr_pi_controls; + u8 _reserved4[4]; + u32 rx_ucdr_sb2_thresh1; + u32 rx_ucdr_sb2_thresh2; + u32 rx_ucdr_sb2_gain1; + u32 rx_ucdr_sb2_gain2; + u8 _reserved12[4]; + u32 rx_aux_data_tcoarse_tfine; + u8 _reserved5[112]; + u32 rx_vga_cal_cntrl1; + u32 rx_vga_cal_cntrl2; + u32 rx_gm_cal; + u8 _reserved6[12]; + u32 rx_rx_equ_adaptor_cntrl2; + u32 rx_rx_equ_adaptor_cntrl3; + u32 rx_rx_equ_adaptor_cntrl4; + u32 rx_rx_idac_tsettle_low; + u32 rx_rx_idac_tsettle_high; + u8 _reserved7[16]; + u32 rx_rx_eq_offset_adaptor_cntrl1; + u8 _reserved8[8]; + u32 rx_sigdet_cntrl; + u8 _reserved9[4]; + u32 rx_sigdet_deglitch_cntrl; + u8 _reserved10[72]; + u32 rx_rx_mode_00_low; + u32 rx_rx_mode_00_high; + u32 rx_rx_mode_00_high2; + u32 rx_rx_mode_00_high3; + u32 rx_rx_mode_00_high4; + u32 rx_rx_mode_01_low; + u32 rx_rx_mode_01_high; + u32 rx_rx_mode_01_high2; + u32 rx_rx_mode_01_high3; + u32 rx_rx_mode_01_high4; + u8 _reserved11[28]; + u32 rx_dfe_en_timer; + u32 rx_dfe_ctle_post_cal_offset; + u32 rx_dcc_ctrl1; + u8 _reserved13[4]; + u32 rx_vth_code; +}; + +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_so_gain, 0x014); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_fastlock_fo_gain, 0x030); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_vga_cal_cntrl1, 0x0d4); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adaptor_cntrl2, 0x0ec); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adaptor_cntrl3, 0x0f0); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adaptor_cntrl4, 0x0f4); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_cntrl, 0x11c); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_dcc_ctrl1, 0x1bc); +check_member(usb3_phy_qserdes_rx_reg_layout, rx_vth_code, 0x1c4); + +/* Only for QMP V4 PHY - PCS registers */ +struct usb3_phy_pcs_reg_layout { + u32 pcs_sw_reset; + u8 _reserved0[16]; + u32 pcs_ready_status; + u8 _reserved1[40]; + u32 pcs_power_down_control; + u32 pcs_start_control; + u8 _reserved2[124]; + u32 pcs_lock_detect_config1; + u32 pcs_lock_detect_config2; + u32 pcs_lock_detect_config3; + u8 _reserved3[8]; + u32 pcs_lock_detect_config6; + u32 pcs_refgen_req_config1; + u8 _reserved4[168]; + u32 pcs_rx_sigdet_lvl; + u8 _reserved5[36]; + u32 pcs_cdr_reset_time; + u8 _reserved6[12]; + u32 pcs_align_detect_config1; + u32 pcs_align_detect_config2; + u8 _reserved7[8]; + u32 pcs_pcs_tx_rx_config; + u8 _reserved8[8]; + u32 pcs_eq_config1; + u8 _reserved9[12]; + u32 pcs_eq_config5; + u8 _reserved10[296]; + u32 pcs_usb3_lfps_det_high_count_val; + u8 _reserved11[28]; + u32 pcs_usb3_rxeqtraining_dfe_time_s2; +}; + +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config1, 0x0c4); +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config2, 0x0c8); +check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config6, 0x0d8); +check_member(usb3_phy_pcs_reg_layout, pcs_pcs_tx_rx_config, 0x1d0); +check_member(usb3_phy_pcs_reg_layout, pcs_eq_config5, 0x1ec); +check_member(usb3_phy_pcs_reg_layout, pcs_usb3_lfps_det_high_count_val, 0x318); +check_member(usb3_phy_pcs_reg_layout, pcs_usb3_rxeqtraining_dfe_time_s2, 0x338); + +static struct usb3_phy_qserdes_com_reg_layout *const qserdes_com_reg_layout = + (void *)QMP_PHY_QSERDES_COM_REG_BASE; +static struct usb3_phy_qserdes_tx_reg_layout *const qserdes_tx_reg_layout = + (void *)QMP_PHY_QSERDES_TX_REG_BASE; +static struct usb3_phy_qserdes_rx_reg_layout *const qserdes_rx_reg_layout = + (void *)QMP_PHY_QSERDES_RX_REG_BASE; +static struct usb3_phy_pcs_reg_layout *const pcs_reg_layout = + (void *)QMP_PHY_PCS_REG_BASE; +static const struct qmp_phy_init_tbl qmp_v4_usb3_serdes_tbl[] = { + {&qserdes_com_reg_layout->com_ssc_en_center, 0x01}, + {&qserdes_com_reg_layout->com_ssc_per1, 0x31}, + {&qserdes_com_reg_layout->com_ssc_per2, 0x01}, + {&qserdes_com_reg_layout->com_ssc_step_size1_mode0, 0xde}, + {&qserdes_com_reg_layout->com_ssc_step_size2_mode0, 0x07}, + {&qserdes_com_reg_layout->com_ssc_step_size1_mode1, 0xde}, + {&qserdes_com_reg_layout->com_ssc_step_size2_mode1, 0x07}, + {&qserdes_com_reg_layout->com_sysclk_buf_enable, 0x0a}, + {&qserdes_com_reg_layout->com_cmn_iptrim, 0x20}, + {&qserdes_com_reg_layout->com_cp_ctrl_mode0, 0x06}, + {&qserdes_com_reg_layout->com_cp_ctrl_mode1, 0x06}, + {&qserdes_com_reg_layout->com_pll_rctrl_mode0, 0x16}, + {&qserdes_com_reg_layout->com_pll_rctrl_mode1, 0x16}, + {&qserdes_com_reg_layout->com_pll_cctrl_mode0, 0x36}, + {&qserdes_com_reg_layout->com_pll_cctrl_mode1, 0x36}, + {&qserdes_com_reg_layout->com_sysclk_en_sel, 0x1a}, + {&qserdes_com_reg_layout->com_lock_cmp_en, 0x04}, + {&qserdes_com_reg_layout->com_lock_cmp1_mode0, 0x14}, + {&qserdes_com_reg_layout->com_lock_cmp2_mode0, 0x34}, + {&qserdes_com_reg_layout->com_lock_cmp1_mode1, 0x34}, + {&qserdes_com_reg_layout->com_lock_cmp2_mode1, 0x82}, + {&qserdes_com_reg_layout->com_dec_start_mode0, 0x82}, + {&qserdes_com_reg_layout->com_dec_start_mode1, 0x82}, + {&qserdes_com_reg_layout->com_div_frac_start1_mode0, 0xab}, + {&qserdes_com_reg_layout->com_div_frac_start2_mode0, 0xea}, + {&qserdes_com_reg_layout->com_div_frac_start3_mode0, 0x02}, + {&qserdes_com_reg_layout->com_div_frac_start1_mode1, 0xab}, + {&qserdes_com_reg_layout->com_div_frac_start2_mode1, 0xea}, + {&qserdes_com_reg_layout->com_div_frac_start3_mode1, 0x02}, + {&qserdes_com_reg_layout->com_vco_tune_map, 0x02}, + {&qserdes_com_reg_layout->com_vco_tune1_mode0, 0x24}, + {&qserdes_com_reg_layout->com_vco_tune1_mode1, 0x24}, + {&qserdes_com_reg_layout->com_vco_tune2_mode1, 0x02}, + {&qserdes_com_reg_layout->com_hsclk_sel, 0x01}, + {&qserdes_com_reg_layout->com_coreclk_div_mode1, 0x08}, + {&qserdes_com_reg_layout->com_bin_vcocal_cmp_code1_mode0, 0xca}, + {&qserdes_com_reg_layout->com_bin_vcocal_cmp_code2_mode0, 0x1e}, + {&qserdes_com_reg_layout->com_bin_vcocal_cmp_code1_mode1, 0xca}, + {&qserdes_com_reg_layout->com_bin_vcocal_cmp_code2_mode1, 0x1e}, + {&qserdes_com_reg_layout->com_bin_vcocal_hsclk_sel, 0x11}, +}; + +static const struct qmp_phy_init_tbl qmp_v4_usb3_tx_tbl[] = { + {&qserdes_tx_reg_layout->tx_res_code_lane_tx, 0x60}, + {&qserdes_tx_reg_layout->tx_res_code_lane_rx, 0x60}, + {&qserdes_tx_reg_layout->tx_res_code_lane_offset_tx, 0x11}, + {&qserdes_tx_reg_layout->tx_res_code_lane_offset_rx, 0x02}, + {&qserdes_tx_reg_layout->tx_lane_mode_1, 0xd5}, + {&qserdes_tx_reg_layout->tx_rcv_detect_lvl_2, 0x12}, + {&qserdes_tx_reg_layout->tx_pi_qec_ctrl, 0x40}, +}; + +static const struct qmp_phy_init_tbl qmp_v4_usb3_rx_tbl[] = { + {&qserdes_rx_reg_layout->rx_ucdr_so_gain, 0x06}, + {&qserdes_rx_reg_layout->rx_ucdr_fastlock_fo_gain, 0x2f}, + {&qserdes_rx_reg_layout->rx_ucdr_so_saturation_and_enable, 0x7f}, + {&qserdes_rx_reg_layout->rx_ucdr_fastlock_count_low, 0xff}, + {&qserdes_rx_reg_layout->rx_ucdr_fastlock_count_high, 0x0f}, + {&qserdes_rx_reg_layout->rx_ucdr_pi_controls, 0x99}, + {&qserdes_rx_reg_layout->rx_ucdr_sb2_thresh1, 0x04}, + {&qserdes_rx_reg_layout->rx_ucdr_sb2_thresh2, 0x08}, + {&qserdes_rx_reg_layout->rx_ucdr_sb2_gain1, 0x05}, + {&qserdes_rx_reg_layout->rx_ucdr_sb2_gain2, 0x05}, + {&qserdes_rx_reg_layout->rx_vga_cal_cntrl1, 0x54}, + {&qserdes_rx_reg_layout->rx_vga_cal_cntrl2, 0x0c}, + {&qserdes_rx_reg_layout->rx_rx_equ_adaptor_cntrl2, 0x0f}, + {&qserdes_rx_reg_layout->rx_rx_equ_adaptor_cntrl3, 0x4a}, + {&qserdes_rx_reg_layout->rx_rx_equ_adaptor_cntrl4, 0x0a}, + {&qserdes_rx_reg_layout->rx_rx_idac_tsettle_low, 0xc0}, + {&qserdes_rx_reg_layout->rx_rx_idac_tsettle_high, 0x00}, + {&qserdes_rx_reg_layout->rx_rx_eq_offset_adaptor_cntrl1, 0x77}, + {&qserdes_rx_reg_layout->rx_sigdet_cntrl, 0x04}, + {&qserdes_rx_reg_layout->rx_sigdet_deglitch_cntrl, 0x0e}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_low, 0xff}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_low, 0x7f}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_high, 0x7f}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_high, 0xff}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_high2, 0x7f}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_high3, 0x7f}, + {&qserdes_rx_reg_layout->rx_rx_mode_00_high4, 0x97}, + {&qserdes_rx_reg_layout->rx_rx_mode_01_low, 0xdc}, + {&qserdes_rx_reg_layout->rx_rx_mode_01_high, 0xdc}, + {&qserdes_rx_reg_layout->rx_rx_mode_01_high2, 0x5c}, + {&qserdes_rx_reg_layout->rx_rx_mode_01_high3, 0x7b}, + {&qserdes_rx_reg_layout->rx_rx_mode_01_high4, 0xb4}, + {&qserdes_rx_reg_layout->rx_dfe_en_timer, 0x04}, + {&qserdes_rx_reg_layout->rx_dfe_ctle_post_cal_offset, 0x38}, + {&qserdes_rx_reg_layout->rx_aux_data_tcoarse_tfine, 0xa0}, + {&qserdes_rx_reg_layout->rx_dcc_ctrl1, 0x0c}, + {&qserdes_rx_reg_layout->rx_gm_cal, 0x1f}, + {&qserdes_rx_reg_layout->rx_vth_code, 0x10}, +}; + +static const struct qmp_phy_init_tbl qmp_v4_usb3_pcs_tbl[] = { + {&pcs_reg_layout->pcs_lock_detect_config1, 0xd0}, + {&pcs_reg_layout->pcs_lock_detect_config2, 0x07}, + {&pcs_reg_layout->pcs_lock_detect_config3, 0x20}, + {&pcs_reg_layout->pcs_lock_detect_config6, 0x13}, + {&pcs_reg_layout->pcs_refgen_req_config1, 0x21}, + {&pcs_reg_layout->pcs_rx_sigdet_lvl, 0xa9}, + {&pcs_reg_layout->pcs_cdr_reset_time, 0x0a}, + {&pcs_reg_layout->pcs_align_detect_config1, 0x88}, + {&pcs_reg_layout->pcs_align_detect_config2, 0x13}, + {&pcs_reg_layout->pcs_pcs_tx_rx_config, 0x0c}, + {&pcs_reg_layout->pcs_eq_config1, 0x4b}, + {&pcs_reg_layout->pcs_eq_config5, 0x10}, + {&pcs_reg_layout->pcs_usb3_lfps_det_high_count_val, 0xf8}, + {&pcs_reg_layout->pcs_usb3_rxeqtraining_dfe_time_s2, 0x07}, +}; + +struct ss_usb_phy_reg qmp_v4_usb_phy = { + .serdes_tbl = qmp_v4_usb3_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(qmp_v4_usb3_serdes_tbl), + .tx_tbl = qmp_v4_usb3_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(qmp_v4_usb3_tx_tbl), + .rx_tbl = qmp_v4_usb3_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(qmp_v4_usb3_rx_tbl), + .pcs_tbl = qmp_v4_usb3_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(qmp_v4_usb3_pcs_tbl), + .qmp_pcs_reg = (void *)QMP_PHY_PCS_REG_BASE, +}; + +static void qcom_qmp_phy_configure(const struct qmp_phy_init_tbl tbl[], + int num) +{ + int i; + const struct qmp_phy_init_tbl *t = tbl; + + if (!t) + return; + + for (i = 0; i < num; i++, t++) + write32(t->address, t->val); +} + +void ss_qmp_phy_init(void) +{ + struct ss_usb_phy_reg *ss_phy_reg; + + ss_phy_reg = &qmp_v4_usb_phy; + + /* power up USB3 PHY */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_power_down_control, 0x01); + + /* Serdes configuration */ + qcom_qmp_phy_configure(ss_phy_reg->serdes_tbl, + ss_phy_reg->serdes_tbl_num); + /* Tx, Rx, and PCS configurations */ + qcom_qmp_phy_configure(ss_phy_reg->tx_tbl, ss_phy_reg->tx_tbl_num); + qcom_qmp_phy_configure(ss_phy_reg->rx_tbl, ss_phy_reg->rx_tbl_num); + qcom_qmp_phy_configure(ss_phy_reg->pcs_tbl, ss_phy_reg->pcs_tbl_num); + + /* perform software reset of PCS/Serdes */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_sw_reset, 0x00); + /* start PCS/Serdes to operation mode */ + write32(&ss_phy_reg->qmp_pcs_reg->pcs_start_control, 0x03); + + /* + * Wait for PHY initialization to be done + * PCS_STATUS: wait for 1ms for PHY STATUS; + * SW can continuously check for PHYSTATUS = 1.b0. + */ + long lock_us = wait_us(10000, + !(read32(&ss_phy_reg->qmp_pcs_reg->pcs_ready_status) & + USB3_PCS_PHYSTATUS)); + if (!lock_us) + printk(BIOS_ERR, "ERROR: QMP PHY PLL LOCK fails:\n"); + else + printk(BIOS_DEBUG, "QMP PHY initialized and locked in %ldus\n", + lock_us); +} diff --git a/src/soc/qualcomm/common/usb/qusb_phy.c b/src/soc/qualcomm/common/usb/qusb_phy.c new file mode 100644 index 0000000000..c8a56b019a --- /dev/null +++ b/src/soc/qualcomm/common/usb/qusb_phy.c @@ -0,0 +1,139 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/usb/qusb_phy.h> +#include <soc/efuse.h> +#include <timer.h> +#include <soc/usb/usb_common.h> + +static struct qfprom_corr * const qfprom_corr_efuse = (void *)QFPROM_BASE; + +struct hs_usb_phy_reg qusb_phy = { + .phy_pll = (void *)QUSB_PRIM_PHY_BASE, + + .phy_dig = (void *)QUSB_PRIM_PHY_DIG_BASE, + + .efuse_offset = 25, +}; + +static void qusb2_phy_override_phy_params(struct hs_usb_phy_reg *hs_phy_reg) +{ + /* Override preemphasis value */ + write32(&hs_phy_reg->phy_dig->tune1, + hs_phy_reg->board_data->port_tune1); + + /* Override BIAS_CTRL_2 to reduce the TX swing overshooting. */ + write32(&hs_phy_reg->phy_pll->bias_ctrl_2, + hs_phy_reg->board_data->pll_bias_control_2); + + /* Override IMP_RES_OFFSET value */ + write32(&hs_phy_reg->phy_dig->imp_ctrl1, + hs_phy_reg->board_data->imp_ctrl1); +} + +/* + * Fetches HS Tx tuning value from efuse register and sets the + * QUSB2PHY_PORT_TUNE1/2 register. + * For error case, skip setting the value and use the default value. + */ + +static void qusb2_phy_set_tune_param(struct hs_usb_phy_reg *hs_phy_reg) +{ + /* + * Efuse registers 3 bit value specifies tuning for HSTX + * output current in TUNE1 Register. Hence Extract 3 bits from + * EFUSE at correct position. + */ + + const int efuse_bits = 3; + int bit_pos = hs_phy_reg->efuse_offset; + + u32 bit_mask = (1 << efuse_bits) - 1; + u32 tune_val = + (read32(&qfprom_corr_efuse->qusb_hstx_trim_lsb) >> bit_pos) + & bit_mask; + /* + * if efuse reg is updated (i.e non-zero) then use it to program + * tune parameters. + */ + if (tune_val) + clrsetbits32(&hs_phy_reg->phy_dig->tune1, + PORT_TUNE1_MASK, tune_val << 4); +} + +static void tune_phy(struct hs_usb_phy_reg *hs_phy_reg) +{ + write32(&hs_phy_reg->phy_dig->pwr_ctrl2, QUSB2PHY_PWR_CTRL2); + /* IMP_CTRL1: Control the impedance reduction */ + write32(&hs_phy_reg->phy_dig->imp_ctrl1, QUSB2PHY_IMP_CTRL1); + /* IMP_CTRL2: Impedance offset/mapping slope */ + write32(&hs_phy_reg->phy_dig->imp_ctrl2, QUSB2PHY_IMP_CTRL1); + write32(&hs_phy_reg->phy_dig->chg_ctrl2, QUSB2PHY_IMP_CTRL2); + /* + * TUNE1: Sets HS Impedance to approx 45 ohms + * then override with efuse value. + */ + write32(&hs_phy_reg->phy_dig->tune1, QUSB2PHY_PORT_TUNE1); + /* TUNE2: Tuning for HS Disconnect Level */ + write32(&hs_phy_reg->phy_dig->tune2, QUSB2PHY_PORT_TUNE2); + /* TUNE3: Tune squelch range */ + write32(&hs_phy_reg->phy_dig->tune3, QUSB2PHY_PORT_TUNE3); + /* TUNE4: Sets EOP_DLY(Squelch rising edge to linestate falling edge) */ + write32(&hs_phy_reg->phy_dig->tune4, QUSB2PHY_PORT_TUNE4); + write32(&hs_phy_reg->phy_dig->tune5, QUSB2PHY_PORT_TUNE5); + + if (hs_phy_reg->board_data) { + /* Override board specific PHY tuning values */ + qusb2_phy_override_phy_params(hs_phy_reg); + + /* Set efuse value for tuning the PHY */ + qusb2_phy_set_tune_param(hs_phy_reg); + } +} + +void hs_usb_phy_init(void *board_data) +{ + struct hs_usb_phy_reg *hs_phy_reg; + + hs_phy_reg = &qusb_phy; + + hs_phy_reg->board_data = (struct usb_board_data *) board_data; + + /* PWR_CTRL: set the power down bit to disable the PHY */ + + setbits32(&hs_phy_reg->phy_dig->pwr_ctrl1, POWER_DOWN); + + write32(&hs_phy_reg->phy_pll->analog_controls_two, + QUSB2PHY_PLL_ANALOG_CONTROLS_TWO); + write32(&hs_phy_reg->phy_pll->clock_inverters, + QUSB2PHY_PLL_CLOCK_INVERTERS); + write32(&hs_phy_reg->phy_pll->cmode, + QUSB2PHY_PLL_CMODE); + write32(&hs_phy_reg->phy_pll->lock_delay, + QUSB2PHY_PLL_LOCK_DELAY); + write32(&hs_phy_reg->phy_pll->dig_tim, + QUSB2PHY_PLL_DIGITAL_TIMERS_TWO); + write32(&hs_phy_reg->phy_pll->bias_ctrl_1, + QUSB2PHY_PLL_BIAS_CONTROL_1); + write32(&hs_phy_reg->phy_pll->bias_ctrl_2, + QUSB2PHY_PLL_BIAS_CONTROL_2); + + tune_phy(hs_phy_reg); + + /* PWR_CTRL1: Clear the power down bit to enable the PHY */ + clrbits32(&hs_phy_reg->phy_dig->pwr_ctrl1, POWER_DOWN); + + write32(&hs_phy_reg->phy_dig->debug_ctrl2, + DEBUG_CTRL2_MUX_PLL_LOCK_STATUS); + + /* + * DEBUG_STAT5: wait for 160uS for PLL lock; + * vstatus[0] changes from 0 to 1. + */ + long lock_us = wait_us(160, read32(&hs_phy_reg->phy_dig->debug_stat5) & + VSTATUS_PLL_LOCK_STATUS_MASK); + if (!lock_us) + printk(BIOS_ERR, "ERROR: QUSB PHY PLL LOCK fails\n"); + else + printk(BIOS_DEBUG, "QUSB PHY initialized and locked in %ldus\n", + lock_us); +} diff --git a/src/soc/qualcomm/common/usb/snps_usb_phy.c b/src/soc/qualcomm/common/usb/snps_usb_phy.c new file mode 100644 index 0000000000..1b2d869bc4 --- /dev/null +++ b/src/soc/qualcomm/common/usb/snps_usb_phy.c @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/usb/snps_usb_phy.h> +#include <soc/addressmap.h> +#include <commonlib/helpers.h> +#include <soc/usb/usb_common.h> + +#define SLEEPM BIT(0) + +#define TERMSEL BIT(5) + +#define POR BIT(1) + +#define FSEL_MASK GENMASK(7, 5) +#define FSEL_DEFAULT (0x3 << 4) + +#define VBUSVLDEXTSEL0 BIT(4) +#define PLLBTUNE BIT(5) + +#define VREGBYPASS BIT(0) + +#define VBUSVLDEXT0 BIT(0) + +#define USB2_SUSPEND_N BIT(2) +#define USB2_SUSPEND_N_SEL BIT(3) + +#define UTMI_PHY_CMN_CTRL_OVERRIDE_EN BIT(1) + +#define REFCLK_SEL_MASK GENMASK(1, 0) +#define REFCLK_SEL_DEFAULT (0x2 << 0) + +#define PARAM_OVRD_MASK 0xFF + +struct hs_usb_phy_reg *hs_phy_reg = (void *)HS_USB_PRIM_PHY_BASE; + +void hs_usb_phy_init(void *board_data) +{ + struct usb_board_data *override_data = + (struct usb_board_data *) board_data; + + clrsetbits32(&hs_phy_reg->cfg0, UTMI_PHY_CMN_CTRL_OVERRIDE_EN, + UTMI_PHY_CMN_CTRL_OVERRIDE_EN); + + clrsetbits32(&hs_phy_reg->utmi_ctrl5, POR, POR); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl_common0, FSEL_MASK, 0); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl_common1, PLLBTUNE, PLLBTUNE); + + clrsetbits32(&hs_phy_reg->refclk_ctrl, REFCLK_SEL_MASK, + REFCLK_SEL_DEFAULT); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl_common1, VBUSVLDEXTSEL0, + VBUSVLDEXTSEL0); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl1, VBUSVLDEXT0, VBUSVLDEXT0); + + if (board_data) { + clrsetbits32(&hs_phy_reg->hs_phy_override_x0, + PARAM_OVRD_MASK, override_data->parameter_override_x0); + + clrsetbits32(&hs_phy_reg->hs_phy_override_x1, + PARAM_OVRD_MASK, override_data->parameter_override_x1); + + clrsetbits32(&hs_phy_reg->hs_phy_override_x2, + PARAM_OVRD_MASK, override_data->parameter_override_x2); + + clrsetbits32(&hs_phy_reg->hs_phy_override_x3, + PARAM_OVRD_MASK, override_data->parameter_override_x3); + } + clrsetbits32(&hs_phy_reg->hs_phy_ctrl_common2, VREGBYPASS, VREGBYPASS); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl2, + USB2_SUSPEND_N_SEL | USB2_SUSPEND_N, + USB2_SUSPEND_N_SEL | USB2_SUSPEND_N); + + clrsetbits32(&hs_phy_reg->utmi_ctrl0, SLEEPM, SLEEPM); + + clrsetbits32(&hs_phy_reg->utmi_ctrl5, POR, 0); + + clrsetbits32(&hs_phy_reg->hs_phy_ctrl2, USB2_SUSPEND_N_SEL, 0); + + clrsetbits32(&hs_phy_reg->cfg0, UTMI_PHY_CMN_CTRL_OVERRIDE_EN, 0); + + printk(BIOS_DEBUG, "USB HS PHY initialized\n"); +} diff --git a/src/soc/qualcomm/common/usb/usb.c b/src/soc/qualcomm/common/usb/usb.c new file mode 100644 index 0000000000..3a0c00327b --- /dev/null +++ b/src/soc/qualcomm/common/usb/usb.c @@ -0,0 +1,141 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/mmio.h> +#include <soc/usb/usb_common.h> +#include <soc/addressmap.h> +#include <soc/clock.h> + +struct usb_dwc3 { + u32 sbuscfg0; + u32 sbuscfg1; + u32 txthrcfg; + u32 rxthrcfg; + u32 ctl; + u32 pmsts; + u32 sts; + u32 uctl1; + u32 snpsid; + u32 gpio; + u32 uid; + u32 uctl; + u64 buserraddr; + u64 prtbimap; + u8 reserved1[32]; + u32 dbgfifospace; + u32 dbgltssm; + u32 dbglnmcc; + u32 dbgbmu; + u32 dbglspmux; + u32 dbglsp; + u32 dbgepinfo0; + u32 dbgepinfo1; + u64 prtbimap_hs; + u64 prtbimap_fs; + u8 reserved2[112]; + u32 usb2phycfg; + u8 reserved3[124]; + u32 usb2phyacc; + u8 reserved4[60]; + u32 usb3pipectl; + u8 reserved5[60]; +}; +check_member(usb_dwc3, usb2phycfg, 0x100); +check_member(usb_dwc3, usb3pipectl, 0x1c0); + +struct usb_dwc3_cfg { + struct usb_dwc3 *usb_host_dwc3; + u32 *usb3_bcr; + u32 *qusb2phy_bcr; + u32 *gcc_usb3phy_bcr_reg; + u32 *gcc_qmpphy_bcr_reg; +}; + +static struct usb_dwc3_cfg usb_port0 = { + .usb_host_dwc3 = (void *)USB_HOST_DWC3_BASE, + .usb3_bcr = &gcc->usb30_prim_bcr, + .qusb2phy_bcr = &gcc->qusb2phy_prim_bcr, + .gcc_usb3phy_bcr_reg = &gcc->usb3_dp_phy_prim_bcr, + .gcc_qmpphy_bcr_reg = &gcc->usb3_phy_prim_bcr, +}; + +static void reset_usb(struct usb_dwc3_cfg *dwc3) +{ + /* Assert Core reset */ + clock_reset_bcr(dwc3->usb3_bcr, 1); + + /* Assert HS PHY reset */ + clock_reset_bcr(dwc3->qusb2phy_bcr, 1); + + /* Assert QMP PHY reset */ + clock_reset_bcr(dwc3->gcc_usb3phy_bcr_reg, 1); + clock_reset_bcr(dwc3->gcc_qmpphy_bcr_reg, 1); +} + +void reset_usb0(void) +{ + /* Before Resetting PHY, put Core in Reset */ + printk(BIOS_INFO, "Starting DWC3 and PHY resets for USB(0)\n"); + + reset_usb(&usb_port0); +} + +static void setup_dwc3(struct usb_dwc3 *dwc3) +{ + /* core exits U1/U2/U3 only in PHY power state P1/P2/P3 respectively */ + clrsetbits32(&dwc3->usb3pipectl, + DWC3_GUSB3PIPECTL_DELAYP1TRANS, + DWC3_GUSB3PIPECTL_UX_EXIT_IN_PX); + + /* + * Configure USB phy interface of DWC3 core. + * 1. Select UTMI+ PHY with 16-bit interface. + * 2. Set USBTRDTIM to the corresponding value + * according to the UTMI+ PHY interface. + */ + clrsetbits32(&dwc3->usb2phycfg, + (DWC3_GUSB2PHYCFG_USB2TRDTIM_MASK | + DWC3_GUSB2PHYCFG_PHYIF_MASK), + (DWC3_GUSB2PHYCFG_PHYIF(UTMI_PHYIF_8_BIT) | + DWC3_GUSB2PHYCFG_USBTRDTIM(USBTRDTIM_UTMI_8_BIT))); + + clrsetbits32(&dwc3->ctl, (DWC3_GCTL_SCALEDOWN_MASK | + DWC3_GCTL_DISSCRAMBLE), + DWC3_GCTL_U2EXIT_LFPS | DWC3_GCTL_DSBLCLKGTNG); + + /* configure controller in Host mode */ + clrsetbits32(&dwc3->ctl, (DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG)), + DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_HOST)); + printk(BIOS_SPEW, "Configure USB in Host mode\n"); +} + +/* Initialization of DWC3 Core and PHY */ + +static void setup_usb_host(struct usb_dwc3_cfg *dwc3, + void *board_data) +{ + /* Clear core reset. */ + clock_reset_bcr(dwc3->usb3_bcr, 0); + + /* Clear QUSB PHY reset. */ + clock_reset_bcr(dwc3->qusb2phy_bcr, 0); + + /* Initialize HS PHY */ + hs_usb_phy_init(board_data); + + /* Clear QMP PHY resets. */ + clock_reset_bcr(dwc3->gcc_usb3phy_bcr_reg, 0); + clock_reset_bcr(dwc3->gcc_qmpphy_bcr_reg, 0); + + /* Initialize QMP PHY */ + ss_qmp_phy_init(); + + setup_dwc3(dwc3->usb_host_dwc3); + + printk(BIOS_INFO, "DWC3 and PHY setup finished\n"); +} +void setup_usb_host0(void *board_data) +{ + printk(BIOS_INFO, "Setting up USB HOST0 controller.\n"); + setup_usb_host(&usb_port0, board_data); +} |