Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/drivers/phy/broadcom/   (Open Source Betriebssystem Version 6.17.9©)  Datei vom 24.10.2025 mit Größe 35 kB image not shown  

Quelle  phy-brcm-usb-init.c   Sprache: 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;
}

Messung V0.5
C=94 H=91 G=92

¤ Dauer der Verarbeitung: 0.11 Sekunden  ¤

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