| // 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_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 4908 */ |
| [BRCM_FAMILY_4908] = { |
| 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */ |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK */ |
| 0, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7250b0 */ |
| [BRCM_FAMILY_7250B0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7271a0 */ |
| [BRCM_FAMILY_7271A0] = { |
| 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK, |
| USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK, |
| USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7364a0 */ |
| [BRCM_FAMILY_7364A0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7366c0 */ |
| [BRCM_FAMILY_7366C0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 74371A0 */ |
| [BRCM_FAMILY_74371A0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK, |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 0, /* USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK */ |
| 0, /* USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK */ |
| 0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */ |
| USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB30_CTL1_USB3_IOC_MASK, |
| USB_CTRL_USB30_CTL1_USB3_IPP_MASK, |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */ |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7439B0 */ |
| [BRCM_FAMILY_7439B0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7445d0 */ |
| [BRCM_FAMILY_7445D0] = { |
| USB_CTRL_SETUP_SCB1_EN_MASK, |
| USB_CTRL_SETUP_SCB2_EN_MASK, |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK, |
| 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7260a0 */ |
| [BRCM_FAMILY_7260A0] = { |
| 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK, |
| USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK, |
| USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| /* 7278a0 */ |
| [BRCM_FAMILY_7278A0] = { |
| 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| 0, /*USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK */ |
| USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT0_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_PORT1_MASK, |
| USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */ |
| 0, /* USB_CTRL_SETUP ENDIAN bits */ |
| }, |
| }; |
| |
| 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; |
| } |
