root/drivers/phy/broadcom/phy-brcm-usb-init.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * phy-brcm-usb-init.c - Broadcom USB Phy chip specific init functions
 *
 * Copyright (C) 2014-2017 Broadcom
 */

/*
 * This module contains USB PHY initialization for power up and S3 resume
 */

#include <linux/delay.h>
#include <linux/io.h>

#include <linux/soc/brcmstb/brcmstb.h>
#include "phy-brcm-usb-init.h"

#define PHY_PORTS 2
#define PHY_PORT_SELECT_0 0
#define PHY_PORT_SELECT_1 0x1000

/* Register definitions for the USB CTRL block */
#define USB_CTRL_SETUP                  0x00
#define   USB_CTRL_SETUP_BABO_MASK                      BIT(0)
#define   USB_CTRL_SETUP_FNHW_MASK                      BIT(1)
#define   USB_CTRL_SETUP_FNBO_MASK                      BIT(2)
#define   USB_CTRL_SETUP_WABO_MASK                      BIT(3)
#define   USB_CTRL_SETUP_IOC_MASK                       BIT(4)
#define   USB_CTRL_SETUP_IPP_MASK                       BIT(5)
#define   USB_CTRL_SETUP_SCB_CLIENT_SWAP_MASK           BIT(13) /* option */
#define   USB_CTRL_SETUP_SCB1_EN_MASK                   BIT(14) /* option */
#define   USB_CTRL_SETUP_SCB2_EN_MASK                   BIT(15) /* option */
#define   USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK           BIT(17) /* option */
#define   USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK       BIT(16) /* option */
#define   USB_CTRL_SETUP_STRAP_IPP_SEL_MASK             BIT(25) /* option */
#define   USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK        BIT(26) /* option */
#define   USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK BIT(27) /* opt */
#define   USB_CTRL_SETUP_OC_DISABLE_PORT0_MASK          BIT(28)
#define   USB_CTRL_SETUP_OC_DISABLE_PORT1_MASK          BIT(29)
#define   USB_CTRL_SETUP_OC_DISABLE_MASK                GENMASK(29, 28) /* option */
#define   USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK         BIT(30)
#define   USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK         BIT(31)
#define   USB_CTRL_SETUP_OC3_DISABLE_MASK               GENMASK(31, 30) /* option */
#define USB_CTRL_PLL_CTL                0x04
#define   USB_CTRL_PLL_CTL_PLL_SUSPEND_EN_MASK          BIT(27)
#define   USB_CTRL_PLL_CTL_PLL_RESETB_MASK              BIT(30)
#define   USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK          BIT(31) /* option */
#define USB_CTRL_EBRIDGE                0x0c
#define   USB_CTRL_EBRIDGE_EBR_SCB_SIZE_MASK            GENMASK(11, 7) /* option */
#define   USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK           BIT(17) /* option */
#define USB_CTRL_OBRIDGE                0x10
#define   USB_CTRL_OBRIDGE_LS_KEEP_ALIVE_MASK           BIT(27)
#define USB_CTRL_MDIO                   0x14
#define USB_CTRL_MDIO2                  0x18
#define USB_CTRL_UTMI_CTL_1             0x2c
#define   USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_MASK      BIT(11)
#define   USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_P1_MASK   BIT(27)
#define USB_CTRL_USB_PM                 0x34
#define   USB_CTRL_USB_PM_RMTWKUP_EN_MASK               BIT(0)
#define   USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK      GENMASK(21, 20) /* option */
#define   USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK          BIT(22) /* option */
#define   USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK          BIT(23) /* option */
#define   USB_CTRL_USB_PM_USB20_HC_RESETB_MASK          GENMASK(29, 28) /* option */
#define   USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK      BIT(30) /* option */
#define   USB_CTRL_USB_PM_SOFT_RESET_MASK               BIT(30) /* option */
#define   USB_CTRL_USB_PM_USB_PWRDN_MASK                BIT(31) /* option */
#define USB_CTRL_USB_PM_STATUS          0x38
#define USB_CTRL_USB30_CTL1             0x60
#define   USB_CTRL_USB30_CTL1_PHY3_PLL_SEQ_START_MASK   BIT(4)
#define   USB_CTRL_USB30_CTL1_PHY3_RESETB_MASK          BIT(16)
#define   USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK      BIT(17) /* option */
#define   USB_CTRL_USB30_CTL1_USB3_IOC_MASK             BIT(28) /* option */
#define   USB_CTRL_USB30_CTL1_USB3_IPP_MASK             BIT(29) /* option */
#define USB_CTRL_USB30_PCTL             0x70
#define   USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK     BIT(1)
#define   USB_CTRL_USB30_PCTL_PHY3_IDDQ_OVERRIDE_MASK   BIT(15)
#define   USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK  BIT(17)
#define USB_CTRL_USB_DEVICE_CTL1        0x90
#define   USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK       GENMASK(1, 0) /* option */

/* Register definitions for the XHCI EC block */
#define USB_XHCI_EC_IRAADR 0x658
#define USB_XHCI_EC_IRADAT 0x65c

enum brcm_family_type {
        BRCM_FAMILY_3390A0,
        BRCM_FAMILY_4908,
        BRCM_FAMILY_7250B0,
        BRCM_FAMILY_7271A0,
        BRCM_FAMILY_7364A0,
        BRCM_FAMILY_7366C0,
        BRCM_FAMILY_74371A0,
        BRCM_FAMILY_7439B0,
        BRCM_FAMILY_7445D0,
        BRCM_FAMILY_7260A0,
        BRCM_FAMILY_7278A0,
        BRCM_FAMILY_COUNT,
};

#define USB_BRCM_FAMILY(chip) \
        [BRCM_FAMILY_##chip] = __stringify(chip)

static const char *family_names[BRCM_FAMILY_COUNT] = {
        USB_BRCM_FAMILY(3390A0),
        USB_BRCM_FAMILY(4908),
        USB_BRCM_FAMILY(7250B0),
        USB_BRCM_FAMILY(7271A0),
        USB_BRCM_FAMILY(7364A0),
        USB_BRCM_FAMILY(7366C0),
        USB_BRCM_FAMILY(74371A0),
        USB_BRCM_FAMILY(7439B0),
        USB_BRCM_FAMILY(7445D0),
        USB_BRCM_FAMILY(7260A0),
        USB_BRCM_FAMILY(7278A0),
};

enum {
        USB_CTRL_SETUP_SCB1_EN_SELECTOR,
        USB_CTRL_SETUP_SCB2_EN_SELECTOR,
        USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR,
        USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR,
        USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR,
        USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR,
        USB_CTRL_SETUP_OC3_DISABLE_SELECTOR,
        USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR,
        USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR,
        USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR,
        USB_CTRL_USB_PM_USB_PWRDN_SELECTOR,
        USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR,
        USB_CTRL_USB30_CTL1_USB3_IOC_SELECTOR,
        USB_CTRL_USB30_CTL1_USB3_IPP_SELECTOR,
        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR,
        USB_CTRL_USB_PM_SOFT_RESET_SELECTOR,
        USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR,
        USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR,
        USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR,
        USB_CTRL_SETUP_ENDIAN_SELECTOR,
        USB_CTRL_SELECTOR_COUNT,
};

#define USB_CTRL_MASK_FAMILY(params, reg, field)                        \
        (params->usb_reg_bits_map[USB_CTRL_##reg##_##field##_SELECTOR])

#define USB_CTRL_SET_FAMILY(params, reg, field) \
        usb_ctrl_set_family(params, USB_CTRL_##reg,     \
                        USB_CTRL_##reg##_##field##_SELECTOR)
#define USB_CTRL_UNSET_FAMILY(params, reg, field)       \
        usb_ctrl_unset_family(params, USB_CTRL_##reg,   \
                USB_CTRL_##reg##_##field##_SELECTOR)

#define MDIO_USB2       0
#define MDIO_USB3       BIT(31)

#define USB_CTRL_SETUP_ENDIAN_BITS (    \
                USB_CTRL_MASK(SETUP, BABO) |    \
                USB_CTRL_MASK(SETUP, FNHW) |    \
                USB_CTRL_MASK(SETUP, FNBO) |    \
                USB_CTRL_MASK(SETUP, WABO))

#ifdef __LITTLE_ENDIAN
#define ENDIAN_SETTINGS (                       \
                USB_CTRL_MASK(SETUP, BABO) |    \
                USB_CTRL_MASK(SETUP, FNHW))
#else
#define ENDIAN_SETTINGS (                       \
                USB_CTRL_MASK(SETUP, FNHW) |    \
                USB_CTRL_MASK(SETUP, FNBO) |    \
                USB_CTRL_MASK(SETUP, WABO))
#endif

struct id_to_type {
        u32 id;
        int type;
};

static const struct id_to_type id_to_type_table[] = {
        { 0x33900000, BRCM_FAMILY_3390A0 },
        { 0x72500010, BRCM_FAMILY_7250B0 },
        { 0x72600000, BRCM_FAMILY_7260A0 },
        { 0x72550000, BRCM_FAMILY_7260A0 },
        { 0x72680000, BRCM_FAMILY_7271A0 },
        { 0x72710000, BRCM_FAMILY_7271A0 },
        { 0x73640000, BRCM_FAMILY_7364A0 },
        { 0x73660020, BRCM_FAMILY_7366C0 },
        { 0x07437100, BRCM_FAMILY_74371A0 },
        { 0x74390010, BRCM_FAMILY_7439B0 },
        { 0x74450030, BRCM_FAMILY_7445D0 },
        { 0x72780000, BRCM_FAMILY_7278A0 },
        { 0, BRCM_FAMILY_7271A0 }, /* default */
};

static const u32
usb_reg_bits_map_table[BRCM_FAMILY_COUNT][USB_CTRL_SELECTOR_COUNT] = {
        /* 3390B0 */
        [BRCM_FAMILY_3390A0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR] =
                        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 4908 */
        [BRCM_FAMILY_4908] = {
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
        },
        /* 7250b0 */
        [BRCM_FAMILY_7250B0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR] =
                        USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7271a0 */
        [BRCM_FAMILY_7271A0] = {
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR] =
                        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
                [USB_CTRL_USB_PM_SOFT_RESET_SELECTOR] =
                        USB_CTRL_USB_PM_SOFT_RESET_MASK,
                [USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR] =
                        USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK,
                [USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7364a0 */
        [BRCM_FAMILY_7364A0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR] =
                        USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7366c0 */
        [BRCM_FAMILY_7366C0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 74371A0 */
        [BRCM_FAMILY_74371A0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK,
                [USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR] =
                        USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
                [USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB30_CTL1_USB3_IOC_SELECTOR] =
                        USB_CTRL_USB30_CTL1_USB3_IOC_MASK,
                [USB_CTRL_USB30_CTL1_USB3_IPP_SELECTOR] =
                        USB_CTRL_USB30_CTL1_USB3_IPP_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7439B0 */
        [BRCM_FAMILY_7439B0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR] =
                        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7445d0 */
        [BRCM_FAMILY_7445D0] = {
                [USB_CTRL_SETUP_SCB1_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB1_EN_MASK,
                [USB_CTRL_SETUP_SCB2_EN_SELECTOR] =
                        USB_CTRL_SETUP_SCB2_EN_MASK,
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR] =
                        USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
                [USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7260a0 */
        [BRCM_FAMILY_7260A0] = {
                [USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR] =
                        USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
                [USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR] =
                        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
                [USB_CTRL_USB_PM_SOFT_RESET_SELECTOR] =
                        USB_CTRL_USB_PM_SOFT_RESET_MASK,
                [USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR] =
                        USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK,
                [USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK,
                [USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
                [USB_CTRL_SETUP_ENDIAN_SELECTOR] = ENDIAN_SETTINGS,
        },
        /* 7278a0 */
        [BRCM_FAMILY_7278A0] = {
                [USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR] =
                        USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT0_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_PORT1_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK,
                [USB_CTRL_SETUP_OC3_DISABLE_SELECTOR] =
                        USB_CTRL_SETUP_OC3_DISABLE_MASK,
                [USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR] =
                        USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
                [USB_CTRL_USB_PM_USB_PWRDN_SELECTOR] =
                        USB_CTRL_USB_PM_USB_PWRDN_MASK,
                [USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR] =
                        USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
                [USB_CTRL_USB_PM_SOFT_RESET_SELECTOR] =
                        USB_CTRL_USB_PM_SOFT_RESET_MASK,
        },
};

static inline
void usb_ctrl_unset_family(struct brcm_usb_init_params *params,
                           u32 reg_offset, u32 field)
{
        u32 mask;

        mask = params->usb_reg_bits_map[field];
        brcm_usb_ctrl_unset(params->regs[BRCM_REGS_CTRL] + reg_offset, mask);
};

static inline
void usb_ctrl_set_family(struct brcm_usb_init_params *params,
                         u32 reg_offset, u32 field)
{
        u32 mask;

        mask = params->usb_reg_bits_map[field];
        brcm_usb_ctrl_set(params->regs[BRCM_REGS_CTRL] + reg_offset, mask);
};

static u32 brcmusb_usb_mdio_read(void __iomem *ctrl_base, u32 reg, int mode)
{
        u32 data;

        data = (reg << 16) | mode;
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        data |= (1 << 24);
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        data &= ~(1 << 24);
        /* wait for the 60MHz parallel to serial shifter */
        usleep_range(10, 20);
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        /* wait for the 60MHz parallel to serial shifter */
        usleep_range(10, 20);

        return brcm_usb_readl(USB_CTRL_REG(ctrl_base, MDIO2)) & 0xffff;
}

static void brcmusb_usb_mdio_write(void __iomem *ctrl_base, u32 reg,
                                   u32 val, int mode)
{
        u32 data;

        data = (reg << 16) | val | mode;
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        data |= (1 << 25);
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        data &= ~(1 << 25);

        /* wait for the 60MHz parallel to serial shifter */
        usleep_range(10, 20);
        brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
        /* wait for the 60MHz parallel to serial shifter */
        usleep_range(10, 20);
}

static void brcmusb_usb_phy_ldo_fix(void __iomem *ctrl_base)
{
        /* first disable FSM but also leave it that way */
        /* to allow normal suspend/resume */
        USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN);
        USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN_P1);

        /* reset USB 2.0 PLL */
        USB_CTRL_UNSET(ctrl_base, PLL_CTL, PLL_RESETB);
        /* PLL reset period */
        udelay(1);
        USB_CTRL_SET(ctrl_base, PLL_CTL, PLL_RESETB);
        /* Give PLL enough time to lock */
        usleep_range(1000, 2000);
}

static void brcmusb_usb2_eye_fix(void __iomem *ctrl_base)
{
        /* Increase USB 2.0 TX level to meet spec requirement */
        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x80a0, MDIO_USB2);
        brcmusb_usb_mdio_write(ctrl_base, 0x0a, 0xc6a0, MDIO_USB2);
}

static void brcmusb_usb3_pll_fix(void __iomem *ctrl_base)
{
        /* Set correct window for PLL lock detect */
        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x07, 0x1503, MDIO_USB3);
}

static void brcmusb_usb3_enable_pipe_reset(void __iomem *ctrl_base)
{
        u32 val;

        /* Re-enable USB 3.0 pipe reset */
        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
        val = brcmusb_usb_mdio_read(ctrl_base, 0x0f, MDIO_USB3) | 0x200;
        brcmusb_usb_mdio_write(ctrl_base, 0x0f, val, MDIO_USB3);
}

static void brcmusb_usb3_enable_sigdet(void __iomem *ctrl_base)
{
        u32 val, ofs;
        int ii;

        ofs = 0;
        for (ii = 0; ii < PHY_PORTS; ++ii) {
                /* Set correct default for sigdet */
                brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8080 + ofs),
                                       MDIO_USB3);
                val = brcmusb_usb_mdio_read(ctrl_base, 0x05, MDIO_USB3);
                val = (val & ~0x800f) | 0x800d;
                brcmusb_usb_mdio_write(ctrl_base, 0x05, val, MDIO_USB3);
                ofs = PHY_PORT_SELECT_1;
        }
}

static void brcmusb_usb3_enable_skip_align(void __iomem *ctrl_base)
{
        u32 val, ofs;
        int ii;

        ofs = 0;
        for (ii = 0; ii < PHY_PORTS; ++ii) {
                /* Set correct default for SKIP align */
                brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8060 + ofs),
                                       MDIO_USB3);
                val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0x200;
                brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
                ofs = PHY_PORT_SELECT_1;
        }
}

static void brcmusb_usb3_unfreeze_aeq(void __iomem *ctrl_base)
{
        u32 val, ofs;
        int ii;

        ofs = 0;
        for (ii = 0; ii < PHY_PORTS; ++ii) {
                /* Let EQ freeze after TSEQ */
                brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x80e0 + ofs),
                                       MDIO_USB3);
                val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3);
                val &= ~0x0008;
                brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
                ofs = PHY_PORT_SELECT_1;
        }
}

static void brcmusb_usb3_pll_54mhz(struct brcm_usb_init_params *params)
{
        u32 ofs;
        int ii;
        void __iomem *ctrl_base = params->regs[BRCM_REGS_CTRL];

        /*
         * On newer B53 based SoC's, the reference clock for the
         * 3.0 PLL has been changed from 50MHz to 54MHz so the
         * PLL needs to be reprogrammed.
         * See SWLINUX-4006.
         *
         * On the 7364C0, the reference clock for the
         * 3.0 PLL has been changed from 50MHz to 54MHz to
         * work around a MOCA issue.
         * See SWLINUX-4169.
         */
        switch (params->selected_family) {
        case BRCM_FAMILY_3390A0:
        case BRCM_FAMILY_4908:
        case BRCM_FAMILY_7250B0:
        case BRCM_FAMILY_7366C0:
        case BRCM_FAMILY_74371A0:
        case BRCM_FAMILY_7439B0:
        case BRCM_FAMILY_7445D0:
        case BRCM_FAMILY_7260A0:
                return;
        case BRCM_FAMILY_7364A0:
                if (BRCM_REV(params->family_id) < 0x20)
                        return;
                break;
        }

        /* set USB 3.0 PLL to accept 54Mhz reference clock */
        USB_CTRL_UNSET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START);

        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x10, 0x5784, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x11, 0x01d0, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x12, 0x1DE8, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x13, 0xAA80, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x14, 0x8826, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x15, 0x0044, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x16, 0x8000, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x17, 0x0851, MDIO_USB3);
        brcmusb_usb_mdio_write(ctrl_base, 0x18, 0x0000, MDIO_USB3);

        /* both ports */
        ofs = 0;
        for (ii = 0; ii < PHY_PORTS; ++ii) {
                brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8040 + ofs),
                                       MDIO_USB3);
                brcmusb_usb_mdio_write(ctrl_base, 0x03, 0x0090, MDIO_USB3);
                brcmusb_usb_mdio_write(ctrl_base, 0x04, 0x0134, MDIO_USB3);
                brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8020 + ofs),
                                       MDIO_USB3);
                brcmusb_usb_mdio_write(ctrl_base, 0x01, 0x00e2, MDIO_USB3);
                ofs = PHY_PORT_SELECT_1;
        }

        /* restart PLL sequence */
        USB_CTRL_SET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START);
        /* Give PLL enough time to lock */
        usleep_range(1000, 2000);
}

static void brcmusb_usb3_ssc_enable(void __iomem *ctrl_base)
{
        u32 val;

        /* Enable USB 3.0 TX spread spectrum */
        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8040, MDIO_USB3);
        val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf;
        brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);

        /* Currently, USB 3.0 SSC is enabled via port 0 MDIO registers,
         * which should have been adequate. However, due to a bug in the
         * USB 3.0 PHY, it must be enabled via both ports (HWUSB3DVT-26).
         */
        brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x9040, MDIO_USB3);
        val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf;
        brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
}

static void brcmusb_usb3_phy_workarounds(struct brcm_usb_init_params *params)
{
        void __iomem *ctrl_base = params->regs[BRCM_REGS_CTRL];

        brcmusb_usb3_pll_fix(ctrl_base);
        brcmusb_usb3_pll_54mhz(params);
        brcmusb_usb3_ssc_enable(ctrl_base);
        brcmusb_usb3_enable_pipe_reset(ctrl_base);
        brcmusb_usb3_enable_sigdet(ctrl_base);
        brcmusb_usb3_enable_skip_align(ctrl_base);
        brcmusb_usb3_unfreeze_aeq(ctrl_base);
}

static void brcmusb_memc_fix(struct brcm_usb_init_params *params)
{
        u32 prid;

        if (params->selected_family != BRCM_FAMILY_7445D0)
                return;
        /*
         * This is a workaround for HW7445-1869 where a DMA write ends up
         * doing a read pre-fetch after the end of the DMA buffer. This
         * causes a problem when the DMA buffer is at the end of physical
         * memory, causing the pre-fetch read to access non-existent memory,
         * and the chip bondout has MEMC2 disabled. When the pre-fetch read
         * tries to use the disabled MEMC2, it hangs the bus. The workaround
         * is to disable MEMC2 access in the usb controller which avoids
         * the hang.
         */

        prid = params->product_id & 0xfffff000;
        switch (prid) {
        case 0x72520000:
        case 0x74480000:
        case 0x74490000:
        case 0x07252000:
        case 0x07448000:
        case 0x07449000:
                USB_CTRL_UNSET_FAMILY(params, SETUP, SCB2_EN);
        }
}

static void brcmusb_usb3_otp_fix(struct brcm_usb_init_params *params)
{
        void __iomem *xhci_ec_base = params->regs[BRCM_REGS_XHCI_EC];
        u32 val;

        if (params->family_id != 0x74371000 || !xhci_ec_base)
                return;
        brcm_usb_writel(0xa20c, USB_XHCI_EC_REG(xhci_ec_base, IRAADR));
        val = brcm_usb_readl(USB_XHCI_EC_REG(xhci_ec_base, IRADAT));

        /* set cfg_pick_ss_lock */
        val |= (1 << 27);
        brcm_usb_writel(val, USB_XHCI_EC_REG(xhci_ec_base, IRADAT));

        /* Reset USB 3.0 PHY for workaround to take effect */
        USB_CTRL_UNSET(params->regs[BRCM_REGS_CTRL], USB30_CTL1, PHY3_RESETB);
        USB_CTRL_SET(params->regs[BRCM_REGS_CTRL], USB30_CTL1, PHY3_RESETB);
}

static void brcmusb_xhci_soft_reset(struct brcm_usb_init_params *params,
                                    int on_off)
{
        /* Assert reset */
        if (on_off) {
                if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB))
                        USB_CTRL_UNSET_FAMILY(params, USB_PM, XHC_SOFT_RESETB);
                else
                        USB_CTRL_UNSET_FAMILY(params,
                                              USB30_CTL1, XHC_SOFT_RESETB);
        } else { /* De-assert reset */
                if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB))
                        USB_CTRL_SET_FAMILY(params, USB_PM, XHC_SOFT_RESETB);
                else
                        USB_CTRL_SET_FAMILY(params, USB30_CTL1,
                                            XHC_SOFT_RESETB);
        }
}

/*
 * Return the best map table family. The order is:
 *   - exact match of chip and major rev
 *   - exact match of chip and closest older major rev
 *   - default chip/rev.
 * NOTE: The minor rev is always ignored.
 */
static enum brcm_family_type get_family_type(
        struct brcm_usb_init_params *params)
{
        int last_type = -1;
        u32 last_family = 0;
        u32 family_no_major;
        unsigned int x;
        u32 family;

        family = params->family_id & 0xfffffff0;
        family_no_major = params->family_id & 0xffffff00;
        for (x = 0; id_to_type_table[x].id; x++) {
                if (family == id_to_type_table[x].id)
                        return id_to_type_table[x].type;
                if (family_no_major == (id_to_type_table[x].id & 0xffffff00))
                        if (family > id_to_type_table[x].id &&
                            last_family < id_to_type_table[x].id) {
                                last_family = id_to_type_table[x].id;
                                last_type = id_to_type_table[x].type;
                        }
        }

        /* If no match, return the default family */
        if (last_type == -1)
                return id_to_type_table[x].type;
        return last_type;
}

static void usb_init_ipp(struct brcm_usb_init_params *params)
{
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];
        u32 reg;
        u32 orig_reg;

        /* Starting with the 7445d0, there are no longer separate 3.0
         * versions of IOC and IPP.
         */
        if (USB_CTRL_MASK_FAMILY(params, USB30_CTL1, USB3_IOC)) {
                if (params->ioc)
                        USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IOC);
                if (params->ipp == 1)
                        USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IPP);
        }

        reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP));
        orig_reg = reg;
        if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_CC_DRD_MODE_ENABLE_SEL))
                /* Never use the strap, it's going away. */
                reg &= ~(USB_CTRL_MASK_FAMILY(params,
                                              SETUP,
                                              STRAP_CC_DRD_MODE_ENABLE_SEL));
        if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_IPP_SEL))
                /* override ipp strap pin (if it exits) */
                if (params->ipp != 2)
                        reg &= ~(USB_CTRL_MASK_FAMILY(params, SETUP,
                                                      STRAP_IPP_SEL));

        /* Override the default OC and PP polarity */
        reg &= ~(USB_CTRL_MASK(SETUP, IPP) | USB_CTRL_MASK(SETUP, IOC));
        if (params->ioc)
                reg |= USB_CTRL_MASK(SETUP, IOC);
        if (params->ipp == 1)
                reg |= USB_CTRL_MASK(SETUP, IPP);
        brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP));

        /*
         * If we're changing IPP, make sure power is off long enough
         * to turn off any connected devices.
         */
        if ((reg ^ orig_reg) & USB_CTRL_MASK(SETUP, IPP))
                msleep(50);
}

static void usb_wake_enable(struct brcm_usb_init_params *params,
                          bool enable)
{
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];

        if (enable)
                USB_CTRL_SET(ctrl, USB_PM, RMTWKUP_EN);
        else
                USB_CTRL_UNSET(ctrl, USB_PM, RMTWKUP_EN);
}

static void usb_init_common(struct brcm_usb_init_params *params)
{
        u32 reg;
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];

        /* Clear any pending wake conditions */
        usb_wake_enable(params, false);
        reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_PM_STATUS));
        brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_PM_STATUS));

        /* Take USB out of power down */
        if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN)) {
                USB_CTRL_UNSET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN);
                /* 1 millisecond - for USB clocks to settle down */
                usleep_range(1000, 2000);
        }

        if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN)) {
                USB_CTRL_UNSET_FAMILY(params, USB_PM, USB_PWRDN);
                /* 1 millisecond - for USB clocks to settle down */
                usleep_range(1000, 2000);
        }

        if (params->selected_family != BRCM_FAMILY_74371A0 &&
            (BRCM_ID(params->family_id) != 0x7364))
                /*
                 * HW7439-637: 7439a0 and its derivatives do not have large
                 * enough descriptor storage for this.
                 */
                USB_CTRL_SET_FAMILY(params, SETUP, SS_EHCI64BIT_EN);

        /* Block auto PLL suspend by USB2 PHY (Sasi) */
        USB_CTRL_SET(ctrl, PLL_CTL, PLL_SUSPEND_EN);

        reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP));
        if (params->selected_family == BRCM_FAMILY_7364A0)
                /* Suppress overcurrent indication from USB30 ports for A0 */
                reg |= USB_CTRL_MASK_FAMILY(params, SETUP, OC3_DISABLE);

        brcmusb_usb_phy_ldo_fix(ctrl);
        brcmusb_usb2_eye_fix(ctrl);

        /*
         * Make sure the second and third memory controller
         * interfaces are enabled if they exist.
         */
        if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN))
                reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN);
        if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN))
                reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN);
        brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP));

        brcmusb_memc_fix(params);

        /* Workaround for false positive OC for 7439b2 in DRD/Device mode */
        if ((params->family_id == 0x74390012) &&
            (params->supported_port_modes != USB_CTLR_MODE_HOST)) {
                USB_CTRL_SET(ctrl, SETUP, OC_DISABLE_PORT1);
                USB_CTRL_SET_FAMILY(params, SETUP, OC3_DISABLE_PORT1);
        }

        if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
                reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
                reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
                                        PORT_MODE);
                reg |= params->port_mode;
                brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
        }
        if (USB_CTRL_MASK_FAMILY(params, USB_PM, BDC_SOFT_RESETB)) {
                switch (params->supported_port_modes) {
                case USB_CTLR_MODE_HOST:
                        USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
                        break;
                default:
                        USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
                        USB_CTRL_SET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
                break;
                }
        }
        if (USB_CTRL_MASK_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE)) {
                if (params->supported_port_modes == USB_CTLR_MODE_TYPEC_PD)
                        USB_CTRL_SET_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE);
                else
                        USB_CTRL_UNSET_FAMILY(params, SETUP,
                                              CC_DRD_MODE_ENABLE);
        }
}

static void usb_init_eohci(struct brcm_usb_init_params *params)
{
        u32 reg;
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];

        if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB20_HC_RESETB))
                USB_CTRL_SET_FAMILY(params, USB_PM, USB20_HC_RESETB);

        if (params->selected_family == BRCM_FAMILY_7366C0)
                /*
                 * Don't enable this so the memory controller doesn't read
                 * into memory holes. NOTE: This bit is low true on 7366C0.
                 */
                USB_CTRL_SET(ctrl, EBRIDGE, ESTOP_SCB_REQ);

        /* Setup the endian bits */
        reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP));
        reg &= ~USB_CTRL_SETUP_ENDIAN_BITS;
        reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN);
        brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP));

        if (params->selected_family == BRCM_FAMILY_7271A0)
                /* Enable LS keep alive fix for certain keyboards */
                USB_CTRL_SET(ctrl, OBRIDGE, LS_KEEP_ALIVE);

        if (params->family_id == 0x72550000) {
                /*
                 * Make the burst size 512 bytes to fix a hardware bug
                 * on the 7255a0. See HW7255-24.
                 */
                reg = brcm_usb_readl(USB_CTRL_REG(ctrl, EBRIDGE));
                reg &= ~USB_CTRL_MASK(EBRIDGE, EBR_SCB_SIZE);
                reg |= 0x800;
                brcm_usb_writel(reg, USB_CTRL_REG(ctrl, EBRIDGE));
        }
}

static void usb_init_xhci(struct brcm_usb_init_params *params)
{
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];

        USB_CTRL_UNSET(ctrl, USB30_PCTL, PHY3_IDDQ_OVERRIDE);
        /* 1 millisecond - for USB clocks to settle down */
        usleep_range(1000, 2000);

        if (BRCM_ID(params->family_id) == 0x7366) {
                /*
                 * The PHY3_SOFT_RESETB bits default to the wrong state.
                 */
                USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB);
                USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB_P1);
        }

        /*
         * Kick start USB3 PHY
         * Make sure it's low to insure a rising edge.
         */
        USB_CTRL_UNSET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START);
        USB_CTRL_SET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START);

        brcmusb_usb3_phy_workarounds(params);
        brcmusb_xhci_soft_reset(params, 0);
        brcmusb_usb3_otp_fix(params);
}

static void usb_uninit_common(struct brcm_usb_init_params *params)
{
        if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN))
                USB_CTRL_SET_FAMILY(params, USB_PM, USB_PWRDN);

        if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN))
                USB_CTRL_SET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN);
        if (params->wake_enabled)
                usb_wake_enable(params, true);
}

static void usb_uninit_eohci(struct brcm_usb_init_params *params)
{
}

static void usb_uninit_xhci(struct brcm_usb_init_params *params)
{
        brcmusb_xhci_soft_reset(params, 1);
        USB_CTRL_SET(params->regs[BRCM_REGS_CTRL], USB30_PCTL,
                     PHY3_IDDQ_OVERRIDE);
}

static int usb_get_dual_select(struct brcm_usb_init_params *params)
{
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];
        u32 reg = 0;

        pr_debug("%s\n", __func__);
        if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
                reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
                reg &= USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
                                        PORT_MODE);
        }
        return reg;
}

static void usb_set_dual_select(struct brcm_usb_init_params *params)
{
        void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];
        u32 reg;

        pr_debug("%s\n", __func__);

        if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
                reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
                reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
                                        PORT_MODE);
                reg |= params->port_mode;
                brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
        }
}

static const struct brcm_usb_init_ops bcm7445_ops = {
        .init_ipp = usb_init_ipp,
        .init_common = usb_init_common,
        .init_eohci = usb_init_eohci,
        .init_xhci = usb_init_xhci,
        .uninit_common = usb_uninit_common,
        .uninit_eohci = usb_uninit_eohci,
        .uninit_xhci = usb_uninit_xhci,
        .get_dual_select = usb_get_dual_select,
        .set_dual_select = usb_set_dual_select,
};

void brcm_usb_dvr_init_4908(struct brcm_usb_init_params *params)
{
        int fam;

        fam = BRCM_FAMILY_4908;
        params->selected_family = fam;
        params->usb_reg_bits_map =
                &usb_reg_bits_map_table[fam][0];
        params->family_name = family_names[fam];
        params->ops = &bcm7445_ops;
}

void brcm_usb_dvr_init_7445(struct brcm_usb_init_params *params)
{
        int fam;

        pr_debug("%s\n", __func__);

        fam = get_family_type(params);
        params->selected_family = fam;
        params->usb_reg_bits_map =
                &usb_reg_bits_map_table[fam][0];
        params->family_name = family_names[fam];
        params->ops = &bcm7445_ops;
}