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- // 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;
- }
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