1018 lines
33 KiB
C
1018 lines
33 KiB
C
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/*
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* phy-brcm-usb-init.c - Broadcom USB Phy chip specific init functions
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*
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* Copyright (C) 2014-2017 Broadcom
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/*
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* This module contains USB PHY initialization for power up and S3 resume
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*/
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/soc/brcmstb/brcmstb.h>
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#include "phy-brcm-usb-init.h"
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#define PHY_PORTS 2
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#define PHY_PORT_SELECT_0 0
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#define PHY_PORT_SELECT_1 0x1000
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/* Register definitions for the USB CTRL block */
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#define USB_CTRL_SETUP 0x00
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#define USB_CTRL_SETUP_IOC_MASK 0x00000010
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#define USB_CTRL_SETUP_IPP_MASK 0x00000020
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#define USB_CTRL_SETUP_BABO_MASK 0x00000001
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#define USB_CTRL_SETUP_FNHW_MASK 0x00000002
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#define USB_CTRL_SETUP_FNBO_MASK 0x00000004
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#define USB_CTRL_SETUP_WABO_MASK 0x00000008
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#define USB_CTRL_SETUP_SCB_CLIENT_SWAP_MASK 0x00002000 /* option */
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#define USB_CTRL_SETUP_SCB1_EN_MASK 0x00004000 /* option */
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#define USB_CTRL_SETUP_SCB2_EN_MASK 0x00008000 /* option */
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#define USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK 0X00020000 /* option */
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#define USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK 0x00010000 /* option */
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#define USB_CTRL_SETUP_STRAP_IPP_SEL_MASK 0x02000000 /* option */
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#define USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK 0x04000000 /* option */
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#define USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK 0x08000000 /* opt */
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#define USB_CTRL_SETUP_OC3_DISABLE_MASK 0xc0000000 /* option */
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#define USB_CTRL_PLL_CTL 0x04
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#define USB_CTRL_PLL_CTL_PLL_SUSPEND_EN_MASK 0x08000000
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#define USB_CTRL_PLL_CTL_PLL_RESETB_MASK 0x40000000
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#define USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK 0x80000000 /* option */
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#define USB_CTRL_EBRIDGE 0x0c
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#define USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK 0x00020000 /* option */
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#define USB_CTRL_MDIO 0x14
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#define USB_CTRL_MDIO2 0x18
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#define USB_CTRL_UTMI_CTL_1 0x2c
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#define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_MASK 0x00000800
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#define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_P1_MASK 0x08000000
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#define USB_CTRL_USB_PM 0x34
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#define USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK 0x00800000 /* option */
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#define USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK 0x00400000 /* option */
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#define USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK 0x40000000 /* option */
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#define USB_CTRL_USB_PM_USB_PWRDN_MASK 0x80000000 /* option */
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#define USB_CTRL_USB_PM_SOFT_RESET_MASK 0x40000000 /* option */
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#define USB_CTRL_USB_PM_USB20_HC_RESETB_MASK 0x30000000 /* option */
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#define USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK 0x00300000 /* option */
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#define USB_CTRL_USB30_CTL1 0x60
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#define USB_CTRL_USB30_CTL1_PHY3_PLL_SEQ_START_MASK 0x00000010
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#define USB_CTRL_USB30_CTL1_PHY3_RESETB_MASK 0x00010000
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#define USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK 0x00020000 /* option */
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#define USB_CTRL_USB30_CTL1_USB3_IOC_MASK 0x10000000 /* option */
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#define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */
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#define USB_CTRL_USB30_PCTL 0x70
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#define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002
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#define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000
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#define USB_CTRL_USB_DEVICE_CTL1 0x90
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#define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */
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/* Register definitions for the XHCI EC block */
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#define USB_XHCI_EC_IRAADR 0x658
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#define USB_XHCI_EC_IRADAT 0x65c
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enum brcm_family_type {
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BRCM_FAMILY_3390A0,
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BRCM_FAMILY_7250B0,
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BRCM_FAMILY_7271A0,
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BRCM_FAMILY_7364A0,
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BRCM_FAMILY_7366C0,
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BRCM_FAMILY_74371A0,
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BRCM_FAMILY_7439B0,
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BRCM_FAMILY_7445D0,
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BRCM_FAMILY_7260A0,
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BRCM_FAMILY_7278A0,
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BRCM_FAMILY_COUNT,
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};
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#define USB_BRCM_FAMILY(chip) \
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[BRCM_FAMILY_##chip] = __stringify(chip)
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static const char *family_names[BRCM_FAMILY_COUNT] = {
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USB_BRCM_FAMILY(3390A0),
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USB_BRCM_FAMILY(7250B0),
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USB_BRCM_FAMILY(7271A0),
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USB_BRCM_FAMILY(7364A0),
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USB_BRCM_FAMILY(7366C0),
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USB_BRCM_FAMILY(74371A0),
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USB_BRCM_FAMILY(7439B0),
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USB_BRCM_FAMILY(7445D0),
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USB_BRCM_FAMILY(7260A0),
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USB_BRCM_FAMILY(7278A0),
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};
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enum {
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USB_CTRL_SETUP_SCB1_EN_SELECTOR,
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USB_CTRL_SETUP_SCB2_EN_SELECTOR,
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USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR,
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USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR,
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USB_CTRL_SETUP_OC3_DISABLE_SELECTOR,
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USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR,
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USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_SELECTOR,
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USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR,
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USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR,
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USB_CTRL_USB_PM_USB_PWRDN_SELECTOR,
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USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR,
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USB_CTRL_USB30_CTL1_USB3_IOC_SELECTOR,
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USB_CTRL_USB30_CTL1_USB3_IPP_SELECTOR,
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USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR,
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USB_CTRL_USB_PM_SOFT_RESET_SELECTOR,
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USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR,
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USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR,
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USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR,
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USB_CTRL_SETUP_ENDIAN_SELECTOR,
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USB_CTRL_SELECTOR_COUNT,
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};
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#define USB_CTRL_REG(base, reg) ((void *)base + USB_CTRL_##reg)
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#define USB_XHCI_EC_REG(base, reg) ((void *)base + USB_XHCI_EC_##reg)
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#define USB_CTRL_MASK(reg, field) \
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USB_CTRL_##reg##_##field##_MASK
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#define USB_CTRL_MASK_FAMILY(params, reg, field) \
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(params->usb_reg_bits_map[USB_CTRL_##reg##_##field##_SELECTOR])
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#define USB_CTRL_SET_FAMILY(params, reg, field) \
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usb_ctrl_set_family(params, USB_CTRL_##reg, \
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USB_CTRL_##reg##_##field##_SELECTOR)
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#define USB_CTRL_UNSET_FAMILY(params, reg, field) \
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usb_ctrl_unset_family(params, USB_CTRL_##reg, \
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USB_CTRL_##reg##_##field##_SELECTOR)
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#define USB_CTRL_SET(base, reg, field) \
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usb_ctrl_set(USB_CTRL_REG(base, reg), \
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USB_CTRL_##reg##_##field##_MASK)
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#define USB_CTRL_UNSET(base, reg, field) \
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usb_ctrl_unset(USB_CTRL_REG(base, reg), \
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USB_CTRL_##reg##_##field##_MASK)
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#define MDIO_USB2 0
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#define MDIO_USB3 BIT(31)
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#define USB_CTRL_SETUP_ENDIAN_BITS ( \
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USB_CTRL_MASK(SETUP, BABO) | \
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USB_CTRL_MASK(SETUP, FNHW) | \
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USB_CTRL_MASK(SETUP, FNBO) | \
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USB_CTRL_MASK(SETUP, WABO))
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#ifdef __LITTLE_ENDIAN
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#define ENDIAN_SETTINGS ( \
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USB_CTRL_MASK(SETUP, BABO) | \
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USB_CTRL_MASK(SETUP, FNHW))
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#else
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#define ENDIAN_SETTINGS ( \
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USB_CTRL_MASK(SETUP, FNHW) | \
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USB_CTRL_MASK(SETUP, FNBO) | \
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USB_CTRL_MASK(SETUP, WABO))
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#endif
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struct id_to_type {
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u32 id;
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int type;
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};
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static const struct id_to_type id_to_type_table[] = {
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{ 0x33900000, BRCM_FAMILY_3390A0 },
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{ 0x72500010, BRCM_FAMILY_7250B0 },
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{ 0x72600000, BRCM_FAMILY_7260A0 },
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{ 0x72680000, BRCM_FAMILY_7271A0 },
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{ 0x72710000, BRCM_FAMILY_7271A0 },
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{ 0x73640000, BRCM_FAMILY_7364A0 },
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{ 0x73660020, BRCM_FAMILY_7366C0 },
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{ 0x07437100, BRCM_FAMILY_74371A0 },
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{ 0x74390010, BRCM_FAMILY_7439B0 },
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{ 0x74450030, BRCM_FAMILY_7445D0 },
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{ 0x72780000, BRCM_FAMILY_7278A0 },
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{ 0, BRCM_FAMILY_7271A0 }, /* default */
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};
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static const u32
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usb_reg_bits_map_table[BRCM_FAMILY_COUNT][USB_CTRL_SELECTOR_COUNT] = {
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/* 3390B0 */
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[BRCM_FAMILY_3390A0] = {
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USB_CTRL_SETUP_SCB1_EN_MASK,
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USB_CTRL_SETUP_SCB2_EN_MASK,
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USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
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USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
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USB_CTRL_SETUP_OC3_DISABLE_MASK,
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0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
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USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
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0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
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USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
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USB_CTRL_USB_PM_USB_PWRDN_MASK,
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0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
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USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
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0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
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0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
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0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
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USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
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ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
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},
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/* 7250b0 */
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[BRCM_FAMILY_7250B0] = {
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USB_CTRL_SETUP_SCB1_EN_MASK,
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USB_CTRL_SETUP_SCB2_EN_MASK,
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USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
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0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
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USB_CTRL_SETUP_OC3_DISABLE_MASK,
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USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
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USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
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0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
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USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
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0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
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0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
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0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
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0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
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0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
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0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
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USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
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ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
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},
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/* 7271a0 */
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[BRCM_FAMILY_7271A0] = {
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0, /* USB_CTRL_SETUP_SCB1_EN_MASK */
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0, /* USB_CTRL_SETUP_SCB2_EN_MASK */
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USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
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USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
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USB_CTRL_SETUP_OC3_DISABLE_MASK,
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0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
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USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
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USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
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USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
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USB_CTRL_USB_PM_USB_PWRDN_MASK,
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0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
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0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
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USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
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USB_CTRL_USB_PM_SOFT_RESET_MASK,
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USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK,
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USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK,
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USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
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ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
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},
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/* 7364a0 */
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[BRCM_FAMILY_7364A0] = {
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USB_CTRL_SETUP_SCB1_EN_MASK,
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USB_CTRL_SETUP_SCB2_EN_MASK,
|
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USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
|
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0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
|
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USB_CTRL_SETUP_OC3_DISABLE_MASK,
|
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USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
|
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USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
|
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0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
|
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USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
|
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0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
|
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0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
|
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0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
|
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0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
|
||
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0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
|
||
|
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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_MASK,
|
||
|
|
0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
|
||
|
|
USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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_MASK */
|
||
|
|
USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
|
||
|
|
0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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_MASK,
|
||
|
|
0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
|
||
|
|
0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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_MASK,
|
||
|
|
USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
|
||
|
|
0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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_MASK,
|
||
|
|
0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
|
||
|
|
USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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_MASK,
|
||
|
|
0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
|
||
|
|
USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_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 u32 brcmusb_readl(void __iomem *addr)
|
||
|
|
{
|
||
|
|
return readl(addr);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void brcmusb_writel(u32 val, void __iomem *addr)
|
||
|
|
{
|
||
|
|
writel(val, addr);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline
|
||
|
|
void usb_ctrl_unset_family(struct brcm_usb_init_params *params,
|
||
|
|
u32 reg_offset, u32 field)
|
||
|
|
{
|
||
|
|
u32 mask;
|
||
|
|
void *reg;
|
||
|
|
|
||
|
|
mask = params->usb_reg_bits_map[field];
|
||
|
|
reg = params->ctrl_regs + reg_offset;
|
||
|
|
brcmusb_writel(brcmusb_readl(reg) & ~mask, reg);
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline
|
||
|
|
void usb_ctrl_set_family(struct brcm_usb_init_params *params,
|
||
|
|
u32 reg_offset, u32 field)
|
||
|
|
{
|
||
|
|
u32 mask;
|
||
|
|
void *reg;
|
||
|
|
|
||
|
|
mask = params->usb_reg_bits_map[field];
|
||
|
|
reg = params->ctrl_regs + reg_offset;
|
||
|
|
brcmusb_writel(brcmusb_readl(reg) | mask, reg);
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline void usb_ctrl_set(void __iomem *reg, u32 field)
|
||
|
|
{
|
||
|
|
u32 value;
|
||
|
|
|
||
|
|
value = brcmusb_readl(reg);
|
||
|
|
brcmusb_writel(value | field, reg);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void usb_ctrl_unset(void __iomem *reg, u32 field)
|
||
|
|
{
|
||
|
|
u32 value;
|
||
|
|
|
||
|
|
value = brcmusb_readl(reg);
|
||
|
|
brcmusb_writel(value & ~field, reg);
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 brcmusb_usb_mdio_read(void __iomem *ctrl_base, u32 reg, int mode)
|
||
|
|
{
|
||
|
|
u32 data;
|
||
|
|
|
||
|
|
data = (reg << 16) | mode;
|
||
|
|
brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
|
||
|
|
data |= (1 << 24);
|
||
|
|
brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
|
||
|
|
data &= ~(1 << 24);
|
||
|
|
/* wait for the 60MHz parallel to serial shifter */
|
||
|
|
usleep_range(10, 20);
|
||
|
|
brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
|
||
|
|
/* wait for the 60MHz parallel to serial shifter */
|
||
|
|
usleep_range(10, 20);
|
||
|
|
|
||
|
|
return brcmusb_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;
|
||
|
|
brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
|
||
|
|
data |= (1 << 25);
|
||
|
|
brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
|
||
|
|
data &= ~(1 << 25);
|
||
|
|
|
||
|
|
/* wait for the 60MHz parallel to serial shifter */
|
||
|
|
usleep_range(10, 20);
|
||
|
|
brcmusb_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->ctrl_regs;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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_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->ctrl_regs;
|
||
|
|
|
||
|
|
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->xhci_ec_regs;
|
||
|
|
u32 val;
|
||
|
|
|
||
|
|
if (params->family_id != 0x74371000 || xhci_ec_base == 0)
|
||
|
|
return;
|
||
|
|
brcmusb_writel(0xa20c, USB_XHCI_EC_REG(xhci_ec_base, IRAADR));
|
||
|
|
val = brcmusb_readl(USB_XHCI_EC_REG(xhci_ec_base, IRADAT));
|
||
|
|
|
||
|
|
/* set cfg_pick_ss_lock */
|
||
|
|
val |= (1 << 27);
|
||
|
|
brcmusb_writel(val, USB_XHCI_EC_REG(xhci_ec_base, IRADAT));
|
||
|
|
|
||
|
|
/* Reset USB 3.0 PHY for workaround to take effect */
|
||
|
|
USB_CTRL_UNSET(params->ctrl_regs, USB30_CTL1, PHY3_RESETB);
|
||
|
|
USB_CTRL_SET(params->ctrl_regs, 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 brcmusb_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;
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_init_ipp(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
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 = brcmusb_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))
|
||
|
|
if (params->ipp != 2)
|
||
|
|
/* override ipp strap pin (if it exits) */
|
||
|
|
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)) == 0))
|
||
|
|
reg |= USB_CTRL_MASK(SETUP, IPP);
|
||
|
|
brcmusb_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)
|
||
|
|
msleep(50);
|
||
|
|
}
|
||
|
|
|
||
|
|
int brcm_usb_init_get_dual_select(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
u32 reg = 0;
|
||
|
|
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
|
||
|
|
reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
|
||
|
|
reg &= USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
|
||
|
|
PORT_MODE);
|
||
|
|
}
|
||
|
|
return reg;
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_init_set_dual_select(struct brcm_usb_init_params *params,
|
||
|
|
int mode)
|
||
|
|
{
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
u32 reg;
|
||
|
|
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
|
||
|
|
reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
|
||
|
|
reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
|
||
|
|
PORT_MODE);
|
||
|
|
reg |= mode;
|
||
|
|
brcmusb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_init_common(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
u32 reg;
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
|
||
|
|
/* 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 = brcmusb_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 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);
|
||
|
|
brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
|
||
|
|
|
||
|
|
brcmusb_memc_fix(params);
|
||
|
|
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
|
||
|
|
reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
|
||
|
|
reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
|
||
|
|
PORT_MODE);
|
||
|
|
reg |= params->mode;
|
||
|
|
brcmusb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
|
||
|
|
}
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, USB_PM, BDC_SOFT_RESETB)) {
|
||
|
|
switch (params->mode) {
|
||
|
|
case USB_CTLR_MODE_HOST:
|
||
|
|
USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
USB_CTRL_SET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE)) {
|
||
|
|
if (params->mode == 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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_init_eohci(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
u32 reg;
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
|
||
|
|
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_FAMILY(params, EBRIDGE, ESTOP_SCB_REQ);
|
||
|
|
|
||
|
|
/* Setup the endian bits */
|
||
|
|
reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP));
|
||
|
|
reg &= ~USB_CTRL_SETUP_ENDIAN_BITS;
|
||
|
|
reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN);
|
||
|
|
brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_init_xhci(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
void __iomem *ctrl = params->ctrl_regs;
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_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);
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_uninit_eohci(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB20_HC_RESETB))
|
||
|
|
USB_CTRL_UNSET_FAMILY(params, USB_PM, USB20_HC_RESETB);
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
brcmusb_xhci_soft_reset(params, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void brcm_usb_set_family_map(struct brcm_usb_init_params *params)
|
||
|
|
{
|
||
|
|
int fam;
|
||
|
|
|
||
|
|
fam = brcmusb_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];
|
||
|
|
}
|