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>

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);
+}