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authorT Michael Turney <mturney@codeaurora.org>2019-10-22 06:25:09 -0700
committerPatrick Georgi <pgeorgi@google.com>2019-12-05 17:57:16 +0000
commit050be72e77fb5beaf0882c9abaf1ce9a571231dc (patch)
treee3aeab406a0f574692d361d17d375d6514ed7f98 /src/soc/qualcomm
parent6bbf8f238f27f35a77ba653a627d88a51e17660c (diff)
downloadcoreboot-050be72e77fb5beaf0882c9abaf1ce9a571231dc.tar.xz
sc7180: Add USB support
This includes USB QUSB2,QMP Phy and Controller support And libpayload support for USB Change-Id: I0651fc28dc227efbeb23eeefe9b96a3b940ae995 Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35503 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/qualcomm')
-rw-r--r--src/soc/qualcomm/sc7180/Makefile.inc2
-rw-r--r--src/soc/qualcomm/sc7180/include/soc/addressmap.h12
-rw-r--r--src/soc/qualcomm/sc7180/include/soc/efuse.h28
-rw-r--r--src/soc/qualcomm/sc7180/include/soc/usb.h96
-rw-r--r--src/soc/qualcomm/sc7180/usb.c748
5 files changed, 886 insertions, 0 deletions
diff --git a/src/soc/qualcomm/sc7180/Makefile.inc b/src/soc/qualcomm/sc7180/Makefile.inc
index 8a76a03c9c..5f4dc1d756 100644
--- a/src/soc/qualcomm/sc7180/Makefile.inc
+++ b/src/soc/qualcomm/sc7180/Makefile.inc
@@ -26,6 +26,7 @@ romstage-y += ../common/qclib.c
romstage-y += qclib.c
romstage-y += ../common/mmu.c
romstage-y += mmu.c
+romstage-y += usb.c
romstage-y += spi.c
romstage-y += gpio.c
romstage-$(CONFIG_DRIVERS_UART) += uart_bitbang.c
@@ -41,6 +42,7 @@ ramstage-$(CONFIG_DRIVERS_UART) += uart_bitbang.c
ramstage-y += clock.c
ramstage-$(CONFIG_SC7180_QSPI) += qspi.c
ramstage-y += aop_load_reset.c
+ramstage-y += usb.c
################################################################################
diff --git a/src/soc/qualcomm/sc7180/include/soc/addressmap.h b/src/soc/qualcomm/sc7180/include/soc/addressmap.h
index e3941899f6..60570f0dc0 100644
--- a/src/soc/qualcomm/sc7180/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7180/include/soc/addressmap.h
@@ -25,4 +25,16 @@
#define TLMM_SOUTH_TILE_BASE 0x03D00000
#define TLMM_WEST_TILE_BASE 0x03500000
+/*
+ * USB BASE ADDRESSES
+ */
+#define QFPROM_BASE 0x00780000
+#define QUSB_PRIM_PHY_BASE 0x088e3000
+#define QUSB_PRIM_PHY_DIG_BASE 0x088e3200
+#define QMP_PHY_QSERDES_COM_REG_BASE 0x088e9000
+#define QMP_PHY_QSERDES_TX_REG_BASE 0x088e9200
+#define QMP_PHY_QSERDES_RX_REG_BASE 0x088e9400
+#define QMP_PHY_PCS_REG_BASE 0x088e9c00
+#define USB_HOST_DWC3_BASE 0x0a60c100
+
#endif /* __SOC_QUALCOMM_SC7180_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7180/include/soc/efuse.h b/src/soc/qualcomm/sc7180/include/soc/efuse.h
new file mode 100644
index 0000000000..baaa97179b
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/include/soc/efuse.h
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2019 Qualcomm Technologies
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__
+#define __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__
+
+/**
+ * USB EFUSE registers
+ */
+struct qfprom_corr {
+ u8 rsvd[0x4258 - 0x0];
+ u32 qusb_hstx_trim_lsb;
+};
+check_member(qfprom_corr, qusb_hstx_trim_lsb, 0x4258);
+
+#endif /* __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7180/include/soc/usb.h b/src/soc/qualcomm/sc7180/include/soc/usb.h
new file mode 100644
index 0000000000..3a8816a027
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/include/soc/usb.h
@@ -0,0 +1,96 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2019 Qualcomm Technologies
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <types.h>
+
+#ifndef _SC7180_USB_H_
+#define _SC7180_USB_H_
+
+/* QSCRATCH_GENERAL_CFG register bit offset */
+#define PIPE_UTMI_CLK_SEL BIT(0)
+#define PIPE3_PHYSTATUS_SW BIT(3)
+#define PIPE_UTMI_CLK_DIS BIT(8)
+
+/* Global USB3 Control Registers */
+#define DWC3_GUSB3PIPECTL_DELAYP1TRANS BIT(18)
+#define DWC3_GUSB3PIPECTL_UX_EXIT_IN_PX BIT(27)
+#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
+#define DWC3_GCTL_PRTCAP_OTG 3
+#define DWC3_GCTL_PRTCAP_HOST 1
+
+/* Global USB2 PHY Configuration Register */
+#define DWC3_GUSB2PHYCFG_USBTRDTIM(n) ((n) << 10)
+#define DWC3_GUSB2PHYCFG_USB2TRDTIM_MASK DWC3_GUSB2PHYCFG_USBTRDTIM(0xf)
+#define DWC3_GUSB2PHYCFG_PHYIF(n) ((n) << 3)
+#define DWC3_GUSB2PHYCFG_PHYIF_MASK DWC3_GUSB2PHYCFG_PHYIF(1)
+#define USBTRDTIM_UTMI_8_BIT 9
+#define UTMI_PHYIF_8_BIT 0
+
+#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
+#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
+#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
+#define DWC3_GCTL_U2EXIT_LFPS (1 << 2)
+#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
+
+#define PORT_TUNE1_MASK 0xf0
+
+/* QUSB2PHY_PWR_CTRL1 register related bits */
+#define POWER_DOWN BIT(0)
+
+/* DEBUG_CTRL2 register value to program VSTATUS MUX for PHY status */
+#define DEBUG_CTRL2_MUX_PLL_LOCK_STATUS 0x4
+
+/* STAT5 register bits */
+#define VSTATUS_PLL_LOCK_STATUS_MASK BIT(0)
+
+/* QUSB PHY register values */
+#define QUSB2PHY_PLL_ANALOG_CONTROLS_TWO 0x03
+#define QUSB2PHY_PLL_CLOCK_INVERTERS 0x7c
+#define QUSB2PHY_PLL_CMODE 0x80
+#define QUSB2PHY_PLL_LOCK_DELAY 0x0a
+#define QUSB2PHY_PLL_DIGITAL_TIMERS_TWO 0x19
+#define QUSB2PHY_PLL_BIAS_CONTROL_1 0x40
+#define QUSB2PHY_PLL_BIAS_CONTROL_2 0x22
+#define QUSB2PHY_PWR_CTRL2 0x21
+#define QUSB2PHY_IMP_CTRL1 0x08
+#define QUSB2PHY_IMP_CTRL2 0x58
+#define QUSB2PHY_PORT_TUNE1 0xc5
+#define QUSB2PHY_PORT_TUNE2 0x29
+#define QUSB2PHY_PORT_TUNE3 0xca
+#define QUSB2PHY_PORT_TUNE4 0x04
+#define QUSB2PHY_PORT_TUNE5 0x03
+#define QUSB2PHY_CHG_CTRL2 0x30
+
+/* USB3PHY_PCIE_USB3_PCS_PCS_STATUS bit */
+#define USB3_PCS_PHYSTATUS BIT(6)
+
+struct usb_board_data {
+ /* Register values going to override from the boardfile */
+ u32 pll_bias_control_2;
+ u32 imp_ctrl1;
+ u32 port_tune1;
+};
+
+struct qmp_phy_init_tbl {
+ u32 *address;
+ u32 val;
+};
+
+void setup_usb_host0(struct usb_board_data *data);
+
+/* Call reset_ before setup_ */
+void reset_usb0(void);
+
+
+#endif /* _SC7180_USB_H_ */
diff --git a/src/soc/qualcomm/sc7180/usb.c b/src/soc/qualcomm/sc7180/usb.c
new file mode 100644
index 0000000000..4183e9b97d
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/usb.c
@@ -0,0 +1,748 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2019 Qualcomm Technologies
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/mmio.h>
+#include <stdlib.h>
+#include <console/console.h>
+#include <delay.h>
+#include <soc/usb.h>
+#include <soc/clock.h>
+#include <soc/addressmap.h>
+#include <soc/efuse.h>
+#include <timer.h>
+
+struct usb_qusb_phy_dig {
+ u8 rsvd1[16];
+ u32 pwr_ctrl1;
+ u32 pwr_ctrl2;
+ u8 rsvd2[8];
+ u32 imp_ctrl1;
+ u32 imp_ctrl2;
+ u8 rsvd3[20];
+ u32 chg_ctrl2;
+ u32 tune1;
+ u32 tune2;
+ u32 tune3;
+ u32 tune4;
+ u32 tune5;
+ u8 rsvd4[44];
+ u32 debug_ctrl2;
+ u8 rsvd5[28];
+ u32 debug_stat5;
+};
+check_member(usb_qusb_phy_dig, tune5, 0x50);
+check_member(usb_qusb_phy_dig, debug_ctrl2, 0x80);
+check_member(usb_qusb_phy_dig, debug_stat5, 0xA0);
+
+struct usb_qusb_phy_pll {
+ u8 rsvd0[4];
+ u32 analog_controls_two;
+ u8 rsvd1[36];
+ u32 cmode;
+ u8 rsvd2[132];
+ u32 dig_tim;
+ u8 rsvd3[204];
+ u32 lock_delay;
+ u8 rsvd4[4];
+ u32 clock_inverters;
+ u8 rsvd5[4];
+ u32 bias_ctrl_1;
+ u32 bias_ctrl_2;
+};
+check_member(usb_qusb_phy_pll, cmode, 0x2C);
+check_member(usb_qusb_phy_pll, bias_ctrl_2, 0x198);
+check_member(usb_qusb_phy_pll, dig_tim, 0xB4);
+
+/* 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;
+
+
+
+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, usb3pipectl, 0x1c0);
+
+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 usb_dwc3_cfg {
+ struct usb_dwc3 *usb_host_dwc3;
+ struct usb_qusb_phy_pll *qusb_phy_pll;
+ struct usb_qusb_phy_dig *qusb_phy_dig;
+ /* Init sequence for QMP PHY blocks - serdes, tx, rx, pcs */
+ const struct qmp_phy_init_tbl *serdes_tbl;
+ int serdes_tbl_num;
+ const struct qmp_phy_init_tbl *tx_tbl;
+ int tx_tbl_num;
+ const struct qmp_phy_init_tbl *rx_tbl;
+ int rx_tbl_num;
+ const struct qmp_phy_init_tbl *pcs_tbl;
+ int pcs_tbl_num;
+ struct usb3_phy_pcs_reg_layout *qmp_pcs_reg;
+
+ u32 *usb3_bcr;
+ u32 *qusb2phy_bcr;
+ u32 *gcc_usb3phy_bcr_reg;
+ u32 *gcc_qmpphy_bcr_reg;
+ struct usb_board_data *board_data;
+ u32 efuse_offset;
+};
+
+static struct usb_dwc3_cfg usb_port0 = {
+ .usb_host_dwc3 = (void *)USB_HOST_DWC3_BASE,
+ .qusb_phy_pll = (void *)QUSB_PRIM_PHY_BASE,
+ .qusb_phy_dig = (void *)QUSB_PRIM_PHY_DIG_BASE,
+ .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,
+ .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,
+ .efuse_offset = 25,
+};
+
+
+static struct qfprom_corr * const qfprom_corr_efuse = (void *)QFPROM_BASE;
+
+static void reset_usb(struct usb_dwc3_cfg *dwc3)
+{
+ /* Assert Core reset */
+ clock_reset_bcr(dwc3->usb3_bcr, 1);
+
+ /* Assert QUSB 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);
+}
+
+
+/*
+ * Update board specific PHY tuning override values that specified from
+ * board file.
+ */
+static void qusb2_phy_override_phy_params(struct usb_dwc3_cfg *dwc3)
+{
+ /* Override preemphasis value */
+ write32(&dwc3->qusb_phy_dig->tune1,
+ dwc3->board_data->port_tune1);
+
+ /* Override BIAS_CTRL_2 to reduce the TX swing overshooting. */
+ write32(&dwc3->qusb_phy_pll->bias_ctrl_2,
+ dwc3->board_data->pll_bias_control_2);
+
+ /* Override IMP_RES_OFFSET value */
+ write32(&dwc3->qusb_phy_dig->imp_ctrl1,
+ dwc3->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 usb_dwc3_cfg *dwc3)
+{
+ /*
+ * 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 = dwc3->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)
+ clrsetbits_le32(&dwc3->qusb_phy_dig->tune1,
+ PORT_TUNE1_MASK, tune_val << 4);
+}
+
+static void tune_phy(struct usb_dwc3_cfg *dwc3, struct usb_qusb_phy_dig *phy)
+{
+ write32(&phy->pwr_ctrl2, QUSB2PHY_PWR_CTRL2);
+ /* IMP_CTRL1: Control the impedance reduction */
+ write32(&phy->imp_ctrl1, QUSB2PHY_IMP_CTRL1);
+ /* IMP_CTRL2: Impedance offset/mapping slope */
+ write32(&phy->imp_ctrl2, QUSB2PHY_IMP_CTRL1);
+ write32(&phy->chg_ctrl2, QUSB2PHY_IMP_CTRL2);
+ /*
+ * TUNE1: Sets HS Impedance to approx 45 ohms
+ * then override with efuse value.
+ */
+ write32(&phy->tune1, QUSB2PHY_PORT_TUNE1);
+ /* TUNE2: Tuning for HS Disconnect Level */
+ write32(&phy->tune2, QUSB2PHY_PORT_TUNE2);
+ /* TUNE3: Tune squelch range */
+ write32(&phy->tune3, QUSB2PHY_PORT_TUNE3);
+ /* TUNE4: Sets EOP_DLY(Squelch rising edge to linestate falling edge) */
+ write32(&phy->tune4, QUSB2PHY_PORT_TUNE4);
+ write32(&phy->tune5, QUSB2PHY_PORT_TUNE5);
+
+ if (dwc3->board_data) {
+ /* Override board specific PHY tuning values */
+ qusb2_phy_override_phy_params(dwc3);
+
+ /* Set efuse value for tuning the PHY */
+ qusb2_phy_set_tune_param(dwc3);
+ }
+}
+
+static void hs_qusb_phy_init(struct usb_dwc3_cfg *dwc3)
+{
+ /* PWR_CTRL: set the power down bit to disable the PHY */
+ setbits_le32(&dwc3->qusb_phy_dig->pwr_ctrl1, POWER_DOWN);
+
+ write32(&dwc3->qusb_phy_pll->analog_controls_two,
+ QUSB2PHY_PLL_ANALOG_CONTROLS_TWO);
+ write32(&dwc3->qusb_phy_pll->clock_inverters,
+ QUSB2PHY_PLL_CLOCK_INVERTERS);
+ write32(&dwc3->qusb_phy_pll->cmode,
+ QUSB2PHY_PLL_CMODE);
+ write32(&dwc3->qusb_phy_pll->lock_delay,
+ QUSB2PHY_PLL_LOCK_DELAY);
+ write32(&dwc3->qusb_phy_pll->dig_tim,
+ QUSB2PHY_PLL_DIGITAL_TIMERS_TWO);
+ write32(&dwc3->qusb_phy_pll->bias_ctrl_1,
+ QUSB2PHY_PLL_BIAS_CONTROL_1);
+ write32(&dwc3->qusb_phy_pll->bias_ctrl_2,
+ QUSB2PHY_PLL_BIAS_CONTROL_2);
+
+ tune_phy(dwc3, dwc3->qusb_phy_dig);
+
+ /* PWR_CTRL1: Clear the power down bit to enable the PHY */
+ clrbits_le32(&dwc3->qusb_phy_dig->pwr_ctrl1, POWER_DOWN);
+
+ write32(&dwc3->qusb_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(&dwc3->qusb_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);
+}
+
+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);
+}
+
+static void ss_qmp_phy_init(struct usb_dwc3_cfg *dwc3)
+{
+ /* power up USB3 PHY */
+ write32(&dwc3->qmp_pcs_reg->pcs_power_down_control, 0x01);
+
+ /* Serdes configuration */
+ qcom_qmp_phy_configure(dwc3->serdes_tbl, dwc3->serdes_tbl_num);
+ /* Tx, Rx, and PCS configurations */
+ qcom_qmp_phy_configure(dwc3->tx_tbl, dwc3->tx_tbl_num);
+ qcom_qmp_phy_configure(dwc3->rx_tbl, dwc3->rx_tbl_num);
+ qcom_qmp_phy_configure(dwc3->pcs_tbl, dwc3->pcs_tbl_num);
+
+ /* perform software reset of PCS/Serdes */
+ write32(&dwc3->qmp_pcs_reg->pcs_sw_reset, 0x00);
+ /* start PCS/Serdes to operation mode */
+ write32(&dwc3->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(1000,
+ !(read32(&dwc3->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);
+}
+
+static void setup_dwc3(struct usb_dwc3 *dwc3)
+{
+ /* core exits U1/U2/U3 only in PHY power state P1/P2/P3 respectively */
+ clrsetbits_le32(&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.
+ */
+ clrsetbits_le32(&dwc3->usb2phycfg,
+ (DWC3_GUSB2PHYCFG_USB2TRDTIM_MASK |
+ DWC3_GUSB2PHYCFG_PHYIF_MASK),
+ (DWC3_GUSB2PHYCFG_PHYIF(UTMI_PHYIF_8_BIT) |
+ DWC3_GUSB2PHYCFG_USBTRDTIM(USBTRDTIM_UTMI_8_BIT)));
+
+ clrsetbits_le32(&dwc3->ctl, (DWC3_GCTL_SCALEDOWN_MASK |
+ DWC3_GCTL_DISSCRAMBLE),
+ DWC3_GCTL_U2EXIT_LFPS | DWC3_GCTL_DSBLCLKGTNG);
+
+ /* configure controller in Host mode */
+ clrsetbits_le32(&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,
+ struct usb_board_data *board_data)
+{
+ dwc3->board_data = board_data;
+
+ /* Clear core reset. */
+ clock_reset_bcr(dwc3->usb3_bcr, 0);
+
+ /* Clear QUSB PHY reset. */
+ clock_reset_bcr(dwc3->qusb2phy_bcr, 0);
+
+ /* Initialize QUSB PHY */
+ hs_qusb_phy_init(dwc3);
+
+ /* 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(dwc3);
+
+ setup_dwc3(dwc3->usb_host_dwc3);
+
+ printk(BIOS_INFO, "DWC3 and PHY setup finished\n");
+}
+
+void setup_usb_host0(struct usb_board_data *board_data)
+{
+ printk(BIOS_INFO, "Setting up USB HOST0 controller.\n");
+ setup_usb_host(&usb_port0, board_data);
+}