sc7180: Add USB support
This includes USB QUSB2,QMP Phy and Controller support And libpayload support for USB Change-Id: I0651fc28dc227efbeb23eeefe9b96a3b940ae995 Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35503 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
parent
6bbf8f238f
commit
050be72e77
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@ -26,6 +26,7 @@ romstage-y += ../common/qclib.c
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romstage-y += qclib.c
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romstage-y += ../common/mmu.c
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romstage-y += mmu.c
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romstage-y += usb.c
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romstage-y += spi.c
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romstage-y += gpio.c
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romstage-$(CONFIG_DRIVERS_UART) += uart_bitbang.c
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@ -41,6 +42,7 @@ ramstage-$(CONFIG_DRIVERS_UART) += uart_bitbang.c
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ramstage-y += clock.c
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ramstage-$(CONFIG_SC7180_QSPI) += qspi.c
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ramstage-y += aop_load_reset.c
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ramstage-y += usb.c
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################################################################################
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@ -25,4 +25,16 @@
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#define TLMM_SOUTH_TILE_BASE 0x03D00000
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#define TLMM_WEST_TILE_BASE 0x03500000
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/*
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* USB BASE ADDRESSES
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*/
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#define QFPROM_BASE 0x00780000
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#define QUSB_PRIM_PHY_BASE 0x088e3000
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#define QUSB_PRIM_PHY_DIG_BASE 0x088e3200
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#define QMP_PHY_QSERDES_COM_REG_BASE 0x088e9000
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#define QMP_PHY_QSERDES_TX_REG_BASE 0x088e9200
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#define QMP_PHY_QSERDES_RX_REG_BASE 0x088e9400
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#define QMP_PHY_PCS_REG_BASE 0x088e9c00
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#define USB_HOST_DWC3_BASE 0x0a60c100
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#endif /* __SOC_QUALCOMM_SC7180_ADDRESS_MAP_H__ */
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@ -0,0 +1,28 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (c) 2019 Qualcomm Technologies
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#ifndef __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__
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#define __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__
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/**
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* USB EFUSE registers
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*/
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struct qfprom_corr {
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u8 rsvd[0x4258 - 0x0];
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u32 qusb_hstx_trim_lsb;
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};
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check_member(qfprom_corr, qusb_hstx_trim_lsb, 0x4258);
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#endif /* __SOC_QUALCOMM_SC7180_EFUSE_ADDRESS_MAP_H__ */
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@ -0,0 +1,96 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (c) 2019 Qualcomm Technologies
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#include <types.h>
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#ifndef _SC7180_USB_H_
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#define _SC7180_USB_H_
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/* QSCRATCH_GENERAL_CFG register bit offset */
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#define PIPE_UTMI_CLK_SEL BIT(0)
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#define PIPE3_PHYSTATUS_SW BIT(3)
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#define PIPE_UTMI_CLK_DIS BIT(8)
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/* Global USB3 Control Registers */
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#define DWC3_GUSB3PIPECTL_DELAYP1TRANS BIT(18)
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#define DWC3_GUSB3PIPECTL_UX_EXIT_IN_PX BIT(27)
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#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
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#define DWC3_GCTL_PRTCAP_OTG 3
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#define DWC3_GCTL_PRTCAP_HOST 1
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/* Global USB2 PHY Configuration Register */
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#define DWC3_GUSB2PHYCFG_USBTRDTIM(n) ((n) << 10)
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#define DWC3_GUSB2PHYCFG_USB2TRDTIM_MASK DWC3_GUSB2PHYCFG_USBTRDTIM(0xf)
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#define DWC3_GUSB2PHYCFG_PHYIF(n) ((n) << 3)
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#define DWC3_GUSB2PHYCFG_PHYIF_MASK DWC3_GUSB2PHYCFG_PHYIF(1)
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#define USBTRDTIM_UTMI_8_BIT 9
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#define UTMI_PHYIF_8_BIT 0
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#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
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#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
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#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
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#define DWC3_GCTL_U2EXIT_LFPS (1 << 2)
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#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
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#define PORT_TUNE1_MASK 0xf0
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/* QUSB2PHY_PWR_CTRL1 register related bits */
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#define POWER_DOWN BIT(0)
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/* DEBUG_CTRL2 register value to program VSTATUS MUX for PHY status */
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#define DEBUG_CTRL2_MUX_PLL_LOCK_STATUS 0x4
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/* STAT5 register bits */
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#define VSTATUS_PLL_LOCK_STATUS_MASK BIT(0)
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/* QUSB PHY register values */
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#define QUSB2PHY_PLL_ANALOG_CONTROLS_TWO 0x03
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#define QUSB2PHY_PLL_CLOCK_INVERTERS 0x7c
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#define QUSB2PHY_PLL_CMODE 0x80
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#define QUSB2PHY_PLL_LOCK_DELAY 0x0a
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#define QUSB2PHY_PLL_DIGITAL_TIMERS_TWO 0x19
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#define QUSB2PHY_PLL_BIAS_CONTROL_1 0x40
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#define QUSB2PHY_PLL_BIAS_CONTROL_2 0x22
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#define QUSB2PHY_PWR_CTRL2 0x21
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#define QUSB2PHY_IMP_CTRL1 0x08
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#define QUSB2PHY_IMP_CTRL2 0x58
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#define QUSB2PHY_PORT_TUNE1 0xc5
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#define QUSB2PHY_PORT_TUNE2 0x29
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#define QUSB2PHY_PORT_TUNE3 0xca
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#define QUSB2PHY_PORT_TUNE4 0x04
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#define QUSB2PHY_PORT_TUNE5 0x03
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#define QUSB2PHY_CHG_CTRL2 0x30
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/* USB3PHY_PCIE_USB3_PCS_PCS_STATUS bit */
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#define USB3_PCS_PHYSTATUS BIT(6)
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struct usb_board_data {
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/* Register values going to override from the boardfile */
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u32 pll_bias_control_2;
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u32 imp_ctrl1;
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u32 port_tune1;
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};
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struct qmp_phy_init_tbl {
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u32 *address;
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u32 val;
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};
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void setup_usb_host0(struct usb_board_data *data);
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/* Call reset_ before setup_ */
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void reset_usb0(void);
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#endif /* _SC7180_USB_H_ */
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@ -0,0 +1,748 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (c) 2019 Qualcomm Technologies
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#include <arch/mmio.h>
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#include <stdlib.h>
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#include <console/console.h>
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#include <delay.h>
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#include <soc/usb.h>
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#include <soc/clock.h>
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#include <soc/addressmap.h>
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#include <soc/efuse.h>
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#include <timer.h>
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struct usb_qusb_phy_dig {
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u8 rsvd1[16];
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u32 pwr_ctrl1;
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u32 pwr_ctrl2;
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u8 rsvd2[8];
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u32 imp_ctrl1;
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u32 imp_ctrl2;
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u8 rsvd3[20];
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u32 chg_ctrl2;
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u32 tune1;
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u32 tune2;
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u32 tune3;
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u32 tune4;
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u32 tune5;
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u8 rsvd4[44];
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u32 debug_ctrl2;
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u8 rsvd5[28];
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u32 debug_stat5;
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};
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check_member(usb_qusb_phy_dig, tune5, 0x50);
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check_member(usb_qusb_phy_dig, debug_ctrl2, 0x80);
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check_member(usb_qusb_phy_dig, debug_stat5, 0xA0);
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struct usb_qusb_phy_pll {
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u8 rsvd0[4];
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u32 analog_controls_two;
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u8 rsvd1[36];
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u32 cmode;
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u8 rsvd2[132];
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u32 dig_tim;
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u8 rsvd3[204];
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u32 lock_delay;
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u8 rsvd4[4];
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u32 clock_inverters;
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u8 rsvd5[4];
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u32 bias_ctrl_1;
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u32 bias_ctrl_2;
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};
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check_member(usb_qusb_phy_pll, cmode, 0x2C);
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check_member(usb_qusb_phy_pll, bias_ctrl_2, 0x198);
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check_member(usb_qusb_phy_pll, dig_tim, 0xB4);
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/* Only for QMP V3 PHY - QSERDES COM registers */
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struct usb3_phy_qserdes_com_reg_layout {
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u8 _reserved1[16];
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u32 com_ssc_en_center;
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u32 com_ssc_adj_per1;
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u32 com_ssc_adj_per2;
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u32 com_ssc_per1;
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u32 com_ssc_per2;
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u32 com_ssc_step_size1;
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u32 com_ssc_step_size2;
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u8 _reserved2[8];
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u32 com_bias_en_clkbuflr_en;
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u32 com_sys_clk_enable1;
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u32 com_sys_clk_ctrl;
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u32 com_sysclk_buf_enable;
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u32 com_pll_en;
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u32 com_pll_ivco;
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u8 _reserved3[20];
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u32 com_cp_ctrl_mode0;
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u8 _reserved4[4];
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u32 com_pll_rctrl_mode0;
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u8 _reserved5[4];
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u32 com_pll_cctrl_mode0;
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u8 _reserved6[12];
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u32 com_sysclk_en_sel;
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u8 _reserved7[8];
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u32 com_resetsm_ctrl2;
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u32 com_lock_cmp_en;
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u32 com_lock_cmp_cfg;
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u32 com_lock_cmp1_mode0;
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u32 com_lock_cmp2_mode0;
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u32 com_lock_cmp3_mode0;
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u8 _reserved8[12];
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u32 com_dec_start_mode0;
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u8 _reserved9[4];
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u32 com_div_frac_start1_mode0;
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u32 com_div_frac_start2_mode0;
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u32 com_div_frac_start3_mode0;
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u8 _reserved10[20];
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u32 com_integloop_gain0_mode0;
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u32 com_integloop_gain1_mode0;
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u8 _reserved11[16];
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u32 com_vco_tune_map;
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u32 com_vco_tune1_mode0;
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u32 com_vco_tune2_mode0;
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u8 _reserved12[60];
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u32 com_clk_select;
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u32 com_hsclk_sel;
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u8 _reserved13[8];
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u32 com_coreclk_div_mode0;
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u8 _reserved14[8];
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u32 com_core_clk_en;
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u32 com_c_ready_status;
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u32 com_cmn_config;
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u32 com_cmn_rate_override;
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u32 com_svs_mode_clk_sel;
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};
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check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_en_center, 0x010);
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check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per1, 0x014);
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check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_adj_per2, 0x018);
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check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per1, 0x01c);
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check_member(usb3_phy_qserdes_com_reg_layout, com_ssc_per2, 0x020);
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check_member(usb3_phy_qserdes_com_reg_layout, com_bias_en_clkbuflr_en, 0x034);
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check_member(usb3_phy_qserdes_com_reg_layout, com_pll_ivco, 0x048);
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check_member(usb3_phy_qserdes_com_reg_layout, com_cp_ctrl_mode0, 0x060);
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check_member(usb3_phy_qserdes_com_reg_layout, com_sysclk_en_sel, 0x080);
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check_member(usb3_phy_qserdes_com_reg_layout, com_resetsm_ctrl2, 0x08c);
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check_member(usb3_phy_qserdes_com_reg_layout, com_dec_start_mode0, 0x0b0);
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check_member(usb3_phy_qserdes_com_reg_layout, com_div_frac_start1_mode0, 0x0b8);
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check_member(usb3_phy_qserdes_com_reg_layout, com_integloop_gain0_mode0, 0x0d8);
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check_member(usb3_phy_qserdes_com_reg_layout, com_vco_tune_map, 0x0f0);
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check_member(usb3_phy_qserdes_com_reg_layout, com_clk_select, 0x138);
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check_member(usb3_phy_qserdes_com_reg_layout, com_coreclk_div_mode0, 0x148);
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check_member(usb3_phy_qserdes_com_reg_layout, com_core_clk_en, 0x154);
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check_member(usb3_phy_qserdes_com_reg_layout, com_svs_mode_clk_sel, 0x164);
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/* Only for QMP V3 PHY - TX registers */
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struct usb3_phy_qserdes_tx_reg_layout {
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u8 _reserved1[68];
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u32 tx_res_code_lane_offset_tx;
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u32 tx_res_code_lane_offset_rx;
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u8 _reserved2[20];
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u32 tx_highz_drvr_en;
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u8 _reserved3[40];
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u32 tx_lane_mode_1;
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u8 _reserved4[20];
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u32 tx_rcv_detect_lvl_2;
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};
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check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_tx, 0x044);
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check_member(usb3_phy_qserdes_tx_reg_layout, tx_res_code_lane_offset_rx, 0x048);
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check_member(usb3_phy_qserdes_tx_reg_layout, tx_highz_drvr_en, 0x060);
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check_member(usb3_phy_qserdes_tx_reg_layout, tx_lane_mode_1, 0x08c);
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check_member(usb3_phy_qserdes_tx_reg_layout, tx_rcv_detect_lvl_2, 0x0a4);
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/* Only for QMP V3 PHY - RX registers */
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struct usb3_phy_qserdes_rx_reg_layout {
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u8 _reserved1[8];
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u32 rx_ucdr_fo_gain;
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u32 rx_ucdr_so_gain_half;
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u8 _reserved2[32];
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u32 rx_ucdr_fastlock_fo_gain;
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u32 rx_ucdr_so_saturtn_and_en;
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u8 _reserved3[12];
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u32 rx_ucdr_pi_cntrls;
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u8 _reserved4[120];
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u32 rx_vga_cal_ctrl2;
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u8 _reserved5[16];
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u32 rx_rx_equ_adap_ctrl2;
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u32 rx_rx_equ_adap_ctrl3;
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u32 rx_rx_equ_adap_ctrl4;
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u8 _reserved6[24];
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u32 rx_rx_eq_offset_adap_ctrl1;
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u32 rx_rx_offset_adap_ctrl2;
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u32 rx_sigdet_enables;
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u32 rx_sigdet_ctrl;
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u8 _reserved7[4];
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u32 rx_sigdet_deglitch_ctrl;
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u32 rx_rx_band;
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u8 _reserved8[80];
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u32 rx_rx_mode_00;
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};
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_fo_gain, 0x008);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_so_gain_half, 0x00c);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_fastlock_fo_gain, 0x030);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_so_saturtn_and_en, 0x034);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_ucdr_pi_cntrls, 0x044);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_vga_cal_ctrl2, 0x0c0);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl2, 0x0d4);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl3, 0x0d8);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_equ_adap_ctrl4, 0x0dc);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_eq_offset_adap_ctrl1, 0x0f8);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_offset_adap_ctrl2, 0x0fc);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_enables, 0x100);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_ctrl, 0x104);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_sigdet_deglitch_ctrl, 0x10c);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_band, 0x110);
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check_member(usb3_phy_qserdes_rx_reg_layout, rx_rx_mode_00, 0x164);
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/* Only for QMP V3 PHY - PCS registers */
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struct usb3_phy_pcs_reg_layout {
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u32 pcs_sw_reset;
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u32 pcs_power_down_control;
|
||||
u32 pcs_start_control;
|
||||
u32 pcs_txmgn_v0;
|
||||
u32 pcs_txmgn_v1;
|
||||
u32 pcs_txmgn_v2;
|
||||
u32 pcs_txmgn_v3;
|
||||
u32 pcs_txmgn_v4;
|
||||
u32 pcs_txmgn_ls;
|
||||
u32 pcs_txdeemph_m6db_v0;
|
||||
u32 pcs_txdeemph_m3p5db_v0;
|
||||
u32 pcs_txdeemph_m6db_v1;
|
||||
u32 pcs_txdeemph_m3p5db_v1;
|
||||
u32 pcs_txdeemph_m6db_v2;
|
||||
u32 pcs_txdeemph_m3p5db_v2;
|
||||
u32 pcs_txdeemph_m6db_v3;
|
||||
u32 pcs_txdeemph_m3p5db_v3;
|
||||
u32 pcs_txdeemph_m6db_v4;
|
||||
u32 pcs_txdeemph_m3p5db_v4;
|
||||
u32 pcs_txdeemph_m6db_ls;
|
||||
u32 pcs_txdeemph_m3p5db_ls;
|
||||
u8 _reserved1[8];
|
||||
u32 pcs_rate_slew_cntrl;
|
||||
u8 _reserved2[4];
|
||||
u32 pcs_power_state_config2;
|
||||
u8 _reserved3[8];
|
||||
u32 pcs_rcvr_dtct_dly_p1u2_l;
|
||||
u32 pcs_rcvr_dtct_dly_p1u2_h;
|
||||
u32 pcs_rcvr_dtct_dly_u3_l;
|
||||
u32 pcs_rcvr_dtct_dly_u3_h;
|
||||
u32 pcs_lock_detect_config1;
|
||||
u32 pcs_lock_detect_config2;
|
||||
u32 pcs_lock_detect_config3;
|
||||
u32 pcs_tsync_rsync_time;
|
||||
u8 _reserved4[16];
|
||||
u32 pcs_pwrup_reset_dly_time_auxclk;
|
||||
u8 _reserved5[12];
|
||||
u32 pcs_lfps_ecstart_eqtlock;
|
||||
u8 _reserved6[4];
|
||||
u32 pcs_rxeqtraining_wait_time;
|
||||
u32 pcs_rxeqtraining_run_time;
|
||||
u8 _reserved7[4];
|
||||
u32 pcs_fll_ctrl1;
|
||||
u32 pcs_fll_ctrl2;
|
||||
u32 pcs_fll_cnt_val_l;
|
||||
u32 pcs_fll_cnt_val_h_tol;
|
||||
u32 pcs_fll_man_code;
|
||||
u32 pcs_autonomous_mode_ctrl;
|
||||
u8 _reserved8[152];
|
||||
u32 pcs_ready_status;
|
||||
u8 _reserved9[96];
|
||||
u32 pcs_rx_sigdet_lvl;
|
||||
u8 _reserved10[48];
|
||||
u32 pcs_refgen_req_config1;
|
||||
u32 pcs_refgen_req_config2;
|
||||
};
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_sw_reset, 0x000);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v0, 0x00c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v1, 0x010);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v2, 0x014);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v3, 0x018);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_v4, 0x01c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txmgn_ls, 0x020);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v0, 0x024);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v0, 0x028);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v1, 0x02c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v1, 0x030);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v2, 0x034);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v2, 0x038);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v3, 0x03c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v3, 0x040);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_v4, 0x044);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_v4, 0x048);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m6db_ls, 0x04c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_txdeemph_m3p5db_ls, 0x050);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rate_slew_cntrl, 0x05c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_power_state_config2, 0x064);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_p1u2_l, 0x070);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_p1u2_h, 0x074);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_u3_l, 0x078);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rcvr_dtct_dly_u3_h, 0x07c);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config1, 0x080);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config2, 0x084);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_lock_detect_config3, 0x088);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_pwrup_reset_dly_time_auxclk, 0x0a0);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_rxeqtraining_wait_time, 0x0b8);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_fll_cnt_val_h_tol, 0x0d0);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_autonomous_mode_ctrl, 0x0d8);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_ready_status, 0x174);
|
||||
check_member(usb3_phy_pcs_reg_layout, pcs_refgen_req_config2, 0x210);
|
||||
|
||||
static struct usb3_phy_qserdes_com_reg_layout *const qserdes_com_reg_layout =
|
||||
(void *)QMP_PHY_QSERDES_COM_REG_BASE;
|
||||
static struct usb3_phy_qserdes_tx_reg_layout *const qserdes_tx_reg_layout =
|
||||
(void *)QMP_PHY_QSERDES_TX_REG_BASE;
|
||||
static struct usb3_phy_qserdes_rx_reg_layout *const qserdes_rx_reg_layout =
|
||||
(void *)QMP_PHY_QSERDES_RX_REG_BASE;
|
||||
static struct usb3_phy_pcs_reg_layout *const pcs_reg_layout =
|
||||
(void *)QMP_PHY_PCS_REG_BASE;
|
||||
|
||||
|
||||
|
||||
struct usb_dwc3 {
|
||||
u32 sbuscfg0;
|
||||
u32 sbuscfg1;
|
||||
u32 txthrcfg;
|
||||
u32 rxthrcfg;
|
||||
u32 ctl;
|
||||
u32 pmsts;
|
||||
u32 sts;
|
||||
u32 uctl1;
|
||||
u32 snpsid;
|
||||
u32 gpio;
|
||||
u32 uid;
|
||||
u32 uctl;
|
||||
u64 buserraddr;
|
||||
u64 prtbimap;
|
||||
u8 reserved1[32];
|
||||
u32 dbgfifospace;
|
||||
u32 dbgltssm;
|
||||
u32 dbglnmcc;
|
||||
u32 dbgbmu;
|
||||
u32 dbglspmux;
|
||||
u32 dbglsp;
|
||||
u32 dbgepinfo0;
|
||||
u32 dbgepinfo1;
|
||||
u64 prtbimap_hs;
|
||||
u64 prtbimap_fs;
|
||||
u8 reserved2[112];
|
||||
u32 usb2phycfg;
|
||||
u8 reserved3[124];
|
||||
u32 usb2phyacc;
|
||||
u8 reserved4[60];
|
||||
u32 usb3pipectl;
|
||||
u8 reserved5[60];
|
||||
};
|
||||
check_member(usb_dwc3, usb3pipectl, 0x1c0);
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
|
||||
{&qserdes_com_reg_layout->com_pll_ivco, 0x07},
|
||||
{&qserdes_com_reg_layout->com_sysclk_en_sel, 0x14},
|
||||
{&qserdes_com_reg_layout->com_bias_en_clkbuflr_en, 0x08},
|
||||
{&qserdes_com_reg_layout->com_clk_select, 0x30},
|
||||
{&qserdes_com_reg_layout->com_sys_clk_ctrl, 0x02},
|
||||
{&qserdes_com_reg_layout->com_resetsm_ctrl2, 0x08},
|
||||
{&qserdes_com_reg_layout->com_cmn_config, 0x16},
|
||||
{&qserdes_com_reg_layout->com_svs_mode_clk_sel, 0x01},
|
||||
{&qserdes_com_reg_layout->com_hsclk_sel, 0x80},
|
||||
{&qserdes_com_reg_layout->com_dec_start_mode0, 0x82},
|
||||
{&qserdes_com_reg_layout->com_div_frac_start1_mode0, 0xab},
|
||||
{&qserdes_com_reg_layout->com_div_frac_start2_mode0, 0xea},
|
||||
{&qserdes_com_reg_layout->com_div_frac_start3_mode0, 0x02},
|
||||
{&qserdes_com_reg_layout->com_cp_ctrl_mode0, 0x06},
|
||||
{&qserdes_com_reg_layout->com_pll_rctrl_mode0, 0x16},
|
||||
{&qserdes_com_reg_layout->com_pll_cctrl_mode0, 0x36},
|
||||
{&qserdes_com_reg_layout->com_integloop_gain1_mode0, 0x00},
|
||||
{&qserdes_com_reg_layout->com_integloop_gain0_mode0, 0x3f},
|
||||
{&qserdes_com_reg_layout->com_vco_tune2_mode0, 0x01},
|
||||
{&qserdes_com_reg_layout->com_vco_tune1_mode0, 0xc9},
|
||||
{&qserdes_com_reg_layout->com_coreclk_div_mode0, 0x0a},
|
||||
{&qserdes_com_reg_layout->com_lock_cmp3_mode0, 0x00},
|
||||
{&qserdes_com_reg_layout->com_lock_cmp2_mode0, 0x34},
|
||||
{&qserdes_com_reg_layout->com_lock_cmp1_mode0, 0x15},
|
||||
{&qserdes_com_reg_layout->com_lock_cmp_en, 0x04},
|
||||
{&qserdes_com_reg_layout->com_core_clk_en, 0x00},
|
||||
{&qserdes_com_reg_layout->com_lock_cmp_cfg, 0x00},
|
||||
{&qserdes_com_reg_layout->com_vco_tune_map, 0x00},
|
||||
{&qserdes_com_reg_layout->com_sysclk_buf_enable, 0x0a},
|
||||
{&qserdes_com_reg_layout->com_ssc_en_center, 0x01},
|
||||
{&qserdes_com_reg_layout->com_ssc_per1, 0x31},
|
||||
{&qserdes_com_reg_layout->com_ssc_per2, 0x01},
|
||||
{&qserdes_com_reg_layout->com_ssc_adj_per1, 0x00},
|
||||
{&qserdes_com_reg_layout->com_ssc_adj_per2, 0x00},
|
||||
{&qserdes_com_reg_layout->com_ssc_step_size1, 0x85},
|
||||
{&qserdes_com_reg_layout->com_ssc_step_size2, 0x07},
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
|
||||
{&qserdes_tx_reg_layout->tx_highz_drvr_en, 0x10},
|
||||
{&qserdes_tx_reg_layout->tx_rcv_detect_lvl_2, 0x12},
|
||||
{&qserdes_tx_reg_layout->tx_lane_mode_1, 0x16},
|
||||
{&qserdes_tx_reg_layout->tx_res_code_lane_offset_rx, 0x09},
|
||||
{&qserdes_tx_reg_layout->tx_res_code_lane_offset_tx, 0x06},
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
|
||||
{&qserdes_rx_reg_layout->rx_ucdr_fastlock_fo_gain, 0x0b},
|
||||
{&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl2, 0x0f},
|
||||
{&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl3, 0x4e},
|
||||
{&qserdes_rx_reg_layout->rx_rx_equ_adap_ctrl4, 0x18},
|
||||
{&qserdes_rx_reg_layout->rx_rx_eq_offset_adap_ctrl1, 0x77},
|
||||
{&qserdes_rx_reg_layout->rx_rx_offset_adap_ctrl2, 0x80},
|
||||
{&qserdes_rx_reg_layout->rx_sigdet_ctrl, 0x03},
|
||||
{&qserdes_rx_reg_layout->rx_sigdet_deglitch_ctrl, 0x16},
|
||||
{&qserdes_rx_reg_layout->rx_ucdr_so_saturtn_and_en, 0x75},
|
||||
{&qserdes_rx_reg_layout->rx_ucdr_pi_cntrls, 0x80},
|
||||
{&qserdes_rx_reg_layout->rx_ucdr_fo_gain, 0x0a},
|
||||
{&qserdes_rx_reg_layout->rx_ucdr_so_gain_half, 0x06},
|
||||
{&qserdes_rx_reg_layout->rx_sigdet_enables, 0x00},
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
|
||||
/* FLL settings */
|
||||
{&pcs_reg_layout->pcs_fll_ctrl2, 0x83},
|
||||
{&pcs_reg_layout->pcs_fll_cnt_val_l, 0x09},
|
||||
{&pcs_reg_layout->pcs_fll_cnt_val_h_tol, 0xa2},
|
||||
{&pcs_reg_layout->pcs_fll_man_code, 0x40},
|
||||
{&pcs_reg_layout->pcs_fll_ctrl1, 0x02},
|
||||
|
||||
/* Lock Det settings */
|
||||
{&pcs_reg_layout->pcs_lock_detect_config1, 0xd1},
|
||||
{&pcs_reg_layout->pcs_lock_detect_config2, 0x1f},
|
||||
{&pcs_reg_layout->pcs_lock_detect_config3, 0x47},
|
||||
{&pcs_reg_layout->pcs_power_state_config2, 0x1b},
|
||||
|
||||
{&pcs_reg_layout->pcs_rx_sigdet_lvl, 0xba},
|
||||
{&pcs_reg_layout->pcs_txmgn_v0, 0x9f},
|
||||
{&pcs_reg_layout->pcs_txmgn_v1, 0x9f},
|
||||
{&pcs_reg_layout->pcs_txmgn_v2, 0xb7},
|
||||
{&pcs_reg_layout->pcs_txmgn_v3, 0x4e},
|
||||
{&pcs_reg_layout->pcs_txmgn_v4, 0x65},
|
||||
{&pcs_reg_layout->pcs_txmgn_ls, 0x6b},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_v0, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_v0, 0x0d},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_v1, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_v1, 0x0d},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_v2, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_v2, 0x0d},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_v3, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_v3, 0x1d},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_v4, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_v4, 0x0d},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m6db_ls, 0x15},
|
||||
{&pcs_reg_layout->pcs_txdeemph_m3p5db_ls, 0x0d},
|
||||
{&pcs_reg_layout->pcs_rate_slew_cntrl, 0x02},
|
||||
{&pcs_reg_layout->pcs_pwrup_reset_dly_time_auxclk, 0x04},
|
||||
{&pcs_reg_layout->pcs_tsync_rsync_time, 0x44},
|
||||
{&pcs_reg_layout->pcs_rcvr_dtct_dly_p1u2_l, 0xe7},
|
||||
{&pcs_reg_layout->pcs_rcvr_dtct_dly_p1u2_h, 0x03},
|
||||
{&pcs_reg_layout->pcs_rcvr_dtct_dly_u3_l, 0x40},
|
||||
{&pcs_reg_layout->pcs_rcvr_dtct_dly_u3_h, 0x00},
|
||||
{&pcs_reg_layout->pcs_rxeqtraining_wait_time, 0x75},
|
||||
{&pcs_reg_layout->pcs_lfps_ecstart_eqtlock, 0x86},
|
||||
{&pcs_reg_layout->pcs_rxeqtraining_run_time, 0x13},
|
||||
};
|
||||
|
||||
|
||||
|
||||
struct usb_dwc3_cfg {
|
||||
struct usb_dwc3 *usb_host_dwc3;
|
||||
struct usb_qusb_phy_pll *qusb_phy_pll;
|
||||
struct usb_qusb_phy_dig *qusb_phy_dig;
|
||||
/* Init sequence for QMP PHY blocks - serdes, tx, rx, pcs */
|
||||
const struct qmp_phy_init_tbl *serdes_tbl;
|
||||
int serdes_tbl_num;
|
||||
const struct qmp_phy_init_tbl *tx_tbl;
|
||||
int tx_tbl_num;
|
||||
const struct qmp_phy_init_tbl *rx_tbl;
|
||||
int rx_tbl_num;
|
||||
const struct qmp_phy_init_tbl *pcs_tbl;
|
||||
int pcs_tbl_num;
|
||||
struct usb3_phy_pcs_reg_layout *qmp_pcs_reg;
|
||||
|
||||
u32 *usb3_bcr;
|
||||
u32 *qusb2phy_bcr;
|
||||
u32 *gcc_usb3phy_bcr_reg;
|
||||
u32 *gcc_qmpphy_bcr_reg;
|
||||
struct usb_board_data *board_data;
|
||||
u32 efuse_offset;
|
||||
};
|
||||
|
||||
static struct usb_dwc3_cfg usb_port0 = {
|
||||
.usb_host_dwc3 = (void *)USB_HOST_DWC3_BASE,
|
||||
.qusb_phy_pll = (void *)QUSB_PRIM_PHY_BASE,
|
||||
.qusb_phy_dig = (void *)QUSB_PRIM_PHY_DIG_BASE,
|
||||
.serdes_tbl = qmp_v3_usb3_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
|
||||
.tx_tbl = qmp_v3_usb3_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
|
||||
.rx_tbl = qmp_v3_usb3_rx_tbl,
|
||||
.rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
|
||||
.pcs_tbl = qmp_v3_usb3_pcs_tbl,
|
||||
.pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
|
||||
.qmp_pcs_reg = (void *)QMP_PHY_PCS_REG_BASE,
|
||||
.usb3_bcr = &gcc->usb30_prim_bcr,
|
||||
.qusb2phy_bcr = &gcc->qusb2phy_prim_bcr,
|
||||
.gcc_usb3phy_bcr_reg = &gcc->usb3_dp_phy_prim_bcr,
|
||||
.gcc_qmpphy_bcr_reg = &gcc->usb3_phy_prim_bcr,
|
||||
.efuse_offset = 25,
|
||||
};
|
||||
|
||||
|
||||
static struct qfprom_corr * const qfprom_corr_efuse = (void *)QFPROM_BASE;
|
||||
|
||||
static void reset_usb(struct usb_dwc3_cfg *dwc3)
|
||||
{
|
||||
/* Assert Core reset */
|
||||
clock_reset_bcr(dwc3->usb3_bcr, 1);
|
||||
|
||||
/* Assert QUSB PHY reset */
|
||||
clock_reset_bcr(dwc3->qusb2phy_bcr, 1);
|
||||
|
||||
/* Assert QMP PHY reset */
|
||||
clock_reset_bcr(dwc3->gcc_usb3phy_bcr_reg, 1);
|
||||
clock_reset_bcr(dwc3->gcc_qmpphy_bcr_reg, 1);
|
||||
}
|
||||
|
||||
void reset_usb0(void)
|
||||
{
|
||||
/* Before Resetting PHY, put Core in Reset */
|
||||
printk(BIOS_INFO, "Starting DWC3 and PHY resets for USB(0)\n");
|
||||
|
||||
reset_usb(&usb_port0);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Update board specific PHY tuning override values that specified from
|
||||
* board file.
|
||||
*/
|
||||
static void qusb2_phy_override_phy_params(struct usb_dwc3_cfg *dwc3)
|
||||
{
|
||||
/* Override preemphasis value */
|
||||
write32(&dwc3->qusb_phy_dig->tune1,
|
||||
dwc3->board_data->port_tune1);
|
||||
|
||||
/* Override BIAS_CTRL_2 to reduce the TX swing overshooting. */
|
||||
write32(&dwc3->qusb_phy_pll->bias_ctrl_2,
|
||||
dwc3->board_data->pll_bias_control_2);
|
||||
|
||||
/* Override IMP_RES_OFFSET value */
|
||||
write32(&dwc3->qusb_phy_dig->imp_ctrl1,
|
||||
dwc3->board_data->imp_ctrl1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Fetches HS Tx tuning value from efuse register and sets the
|
||||
* QUSB2PHY_PORT_TUNE1/2 register.
|
||||
* For error case, skip setting the value and use the default value.
|
||||
*/
|
||||
static void qusb2_phy_set_tune_param(struct usb_dwc3_cfg *dwc3)
|
||||
{
|
||||
/*
|
||||
* Efuse registers 3 bit value specifies tuning for HSTX
|
||||
* output current in TUNE1 Register. Hence Extract 3 bits from
|
||||
* EFUSE at correct position.
|
||||
*/
|
||||
|
||||
const int efuse_bits = 3;
|
||||
int bit_pos = dwc3->efuse_offset;
|
||||
|
||||
u32 bit_mask = (1 << efuse_bits) - 1;
|
||||
u32 tune_val =
|
||||
(read32(&qfprom_corr_efuse->qusb_hstx_trim_lsb) >> bit_pos)
|
||||
& bit_mask;
|
||||
/*
|
||||
* if efuse reg is updated (i.e non-zero) then use it to program
|
||||
* tune parameters.
|
||||
*/
|
||||
if (tune_val)
|
||||
clrsetbits_le32(&dwc3->qusb_phy_dig->tune1,
|
||||
PORT_TUNE1_MASK, tune_val << 4);
|
||||
}
|
||||
|
||||
static void tune_phy(struct usb_dwc3_cfg *dwc3, struct usb_qusb_phy_dig *phy)
|
||||
{
|
||||
write32(&phy->pwr_ctrl2, QUSB2PHY_PWR_CTRL2);
|
||||
/* IMP_CTRL1: Control the impedance reduction */
|
||||
write32(&phy->imp_ctrl1, QUSB2PHY_IMP_CTRL1);
|
||||
/* IMP_CTRL2: Impedance offset/mapping slope */
|
||||
write32(&phy->imp_ctrl2, QUSB2PHY_IMP_CTRL1);
|
||||
write32(&phy->chg_ctrl2, QUSB2PHY_IMP_CTRL2);
|
||||
/*
|
||||
* TUNE1: Sets HS Impedance to approx 45 ohms
|
||||
* then override with efuse value.
|
||||
*/
|
||||
write32(&phy->tune1, QUSB2PHY_PORT_TUNE1);
|
||||
/* TUNE2: Tuning for HS Disconnect Level */
|
||||
write32(&phy->tune2, QUSB2PHY_PORT_TUNE2);
|
||||
/* TUNE3: Tune squelch range */
|
||||
write32(&phy->tune3, QUSB2PHY_PORT_TUNE3);
|
||||
/* TUNE4: Sets EOP_DLY(Squelch rising edge to linestate falling edge) */
|
||||
write32(&phy->tune4, QUSB2PHY_PORT_TUNE4);
|
||||
write32(&phy->tune5, QUSB2PHY_PORT_TUNE5);
|
||||
|
||||
if (dwc3->board_data) {
|
||||
/* Override board specific PHY tuning values */
|
||||
qusb2_phy_override_phy_params(dwc3);
|
||||
|
||||
/* Set efuse value for tuning the PHY */
|
||||
qusb2_phy_set_tune_param(dwc3);
|
||||
}
|
||||
}
|
||||
|
||||
static void hs_qusb_phy_init(struct usb_dwc3_cfg *dwc3)
|
||||
{
|
||||
/* PWR_CTRL: set the power down bit to disable the PHY */
|
||||
setbits_le32(&dwc3->qusb_phy_dig->pwr_ctrl1, POWER_DOWN);
|
||||
|
||||
write32(&dwc3->qusb_phy_pll->analog_controls_two,
|
||||
QUSB2PHY_PLL_ANALOG_CONTROLS_TWO);
|
||||
write32(&dwc3->qusb_phy_pll->clock_inverters,
|
||||
QUSB2PHY_PLL_CLOCK_INVERTERS);
|
||||
write32(&dwc3->qusb_phy_pll->cmode,
|
||||
QUSB2PHY_PLL_CMODE);
|
||||
write32(&dwc3->qusb_phy_pll->lock_delay,
|
||||
QUSB2PHY_PLL_LOCK_DELAY);
|
||||
write32(&dwc3->qusb_phy_pll->dig_tim,
|
||||
QUSB2PHY_PLL_DIGITAL_TIMERS_TWO);
|
||||
write32(&dwc3->qusb_phy_pll->bias_ctrl_1,
|
||||
QUSB2PHY_PLL_BIAS_CONTROL_1);
|
||||
write32(&dwc3->qusb_phy_pll->bias_ctrl_2,
|
||||
QUSB2PHY_PLL_BIAS_CONTROL_2);
|
||||
|
||||
tune_phy(dwc3, dwc3->qusb_phy_dig);
|
||||
|
||||
/* PWR_CTRL1: Clear the power down bit to enable the PHY */
|
||||
clrbits_le32(&dwc3->qusb_phy_dig->pwr_ctrl1, POWER_DOWN);
|
||||
|
||||
write32(&dwc3->qusb_phy_dig->debug_ctrl2,
|
||||
DEBUG_CTRL2_MUX_PLL_LOCK_STATUS);
|
||||
|
||||
/*
|
||||
* DEBUG_STAT5: wait for 160uS for PLL lock;
|
||||
* vstatus[0] changes from 0 to 1.
|
||||
*/
|
||||
long lock_us = wait_us(160, read32(&dwc3->qusb_phy_dig->debug_stat5) &
|
||||
VSTATUS_PLL_LOCK_STATUS_MASK);
|
||||
if (!lock_us)
|
||||
printk(BIOS_ERR, "ERROR: QUSB PHY PLL LOCK fails\n");
|
||||
else
|
||||
printk(BIOS_DEBUG, "QUSB PHY initialized and locked in %ldus\n",
|
||||
lock_us);
|
||||
}
|
||||
|
||||
static void qcom_qmp_phy_configure(const struct qmp_phy_init_tbl tbl[],
|
||||
int num)
|
||||
{
|
||||
int i;
|
||||
const struct qmp_phy_init_tbl *t = tbl;
|
||||
|
||||
if (!t)
|
||||
return;
|
||||
|
||||
for (i = 0; i < num; i++, t++)
|
||||
write32(t->address, t->val);
|
||||
}
|
||||
|
||||
static void ss_qmp_phy_init(struct usb_dwc3_cfg *dwc3)
|
||||
{
|
||||
/* power up USB3 PHY */
|
||||
write32(&dwc3->qmp_pcs_reg->pcs_power_down_control, 0x01);
|
||||
|
||||
/* Serdes configuration */
|
||||
qcom_qmp_phy_configure(dwc3->serdes_tbl, dwc3->serdes_tbl_num);
|
||||
/* Tx, Rx, and PCS configurations */
|
||||
qcom_qmp_phy_configure(dwc3->tx_tbl, dwc3->tx_tbl_num);
|
||||
qcom_qmp_phy_configure(dwc3->rx_tbl, dwc3->rx_tbl_num);
|
||||
qcom_qmp_phy_configure(dwc3->pcs_tbl, dwc3->pcs_tbl_num);
|
||||
|
||||
/* perform software reset of PCS/Serdes */
|
||||
write32(&dwc3->qmp_pcs_reg->pcs_sw_reset, 0x00);
|
||||
/* start PCS/Serdes to operation mode */
|
||||
write32(&dwc3->qmp_pcs_reg->pcs_start_control, 0x03);
|
||||
|
||||
/*
|
||||
* Wait for PHY initialization to be done
|
||||
* PCS_STATUS: wait for 1ms for PHY STATUS;
|
||||
* SW can continuously check for PHYSTATUS = 1.b0.
|
||||
*/
|
||||
long lock_us = wait_us(1000,
|
||||
!(read32(&dwc3->qmp_pcs_reg->pcs_ready_status) &
|
||||
USB3_PCS_PHYSTATUS));
|
||||
if (!lock_us)
|
||||
printk(BIOS_ERR, "ERROR: QMP PHY PLL LOCK fails:\n");
|
||||
else
|
||||
printk(BIOS_DEBUG, "QMP PHY initialized and locked in %ldus\n",
|
||||
lock_us);
|
||||
}
|
||||
|
||||
static void setup_dwc3(struct usb_dwc3 *dwc3)
|
||||
{
|
||||
/* core exits U1/U2/U3 only in PHY power state P1/P2/P3 respectively */
|
||||
clrsetbits_le32(&dwc3->usb3pipectl,
|
||||
DWC3_GUSB3PIPECTL_DELAYP1TRANS,
|
||||
DWC3_GUSB3PIPECTL_UX_EXIT_IN_PX);
|
||||
|
||||
/*
|
||||
* Configure USB phy interface of DWC3 core.
|
||||
* 1. Select UTMI+ PHY with 16-bit interface.
|
||||
* 2. Set USBTRDTIM to the corresponding value
|
||||
* according to the UTMI+ PHY interface.
|
||||
*/
|
||||
clrsetbits_le32(&dwc3->usb2phycfg,
|
||||
(DWC3_GUSB2PHYCFG_USB2TRDTIM_MASK |
|
||||
DWC3_GUSB2PHYCFG_PHYIF_MASK),
|
||||
(DWC3_GUSB2PHYCFG_PHYIF(UTMI_PHYIF_8_BIT) |
|
||||
DWC3_GUSB2PHYCFG_USBTRDTIM(USBTRDTIM_UTMI_8_BIT)));
|
||||
|
||||
clrsetbits_le32(&dwc3->ctl, (DWC3_GCTL_SCALEDOWN_MASK |
|
||||
DWC3_GCTL_DISSCRAMBLE),
|
||||
DWC3_GCTL_U2EXIT_LFPS | DWC3_GCTL_DSBLCLKGTNG);
|
||||
|
||||
/* configure controller in Host mode */
|
||||
clrsetbits_le32(&dwc3->ctl, (DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG)),
|
||||
DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_HOST));
|
||||
printk(BIOS_SPEW, "Configure USB in Host mode\n");
|
||||
}
|
||||
|
||||
/* Initialization of DWC3 Core and PHY */
|
||||
static void setup_usb_host(struct usb_dwc3_cfg *dwc3,
|
||||
struct usb_board_data *board_data)
|
||||
{
|
||||
dwc3->board_data = board_data;
|
||||
|
||||
/* Clear core reset. */
|
||||
clock_reset_bcr(dwc3->usb3_bcr, 0);
|
||||
|
||||
/* Clear QUSB PHY reset. */
|
||||
clock_reset_bcr(dwc3->qusb2phy_bcr, 0);
|
||||
|
||||
/* Initialize QUSB PHY */
|
||||
hs_qusb_phy_init(dwc3);
|
||||
|
||||
/* Clear QMP PHY resets. */
|
||||
clock_reset_bcr(dwc3->gcc_usb3phy_bcr_reg, 0);
|
||||
clock_reset_bcr(dwc3->gcc_qmpphy_bcr_reg, 0);
|
||||
|
||||
/* Initialize QMP PHY */
|
||||
ss_qmp_phy_init(dwc3);
|
||||
|
||||
setup_dwc3(dwc3->usb_host_dwc3);
|
||||
|
||||
printk(BIOS_INFO, "DWC3 and PHY setup finished\n");
|
||||
}
|
||||
|
||||
void setup_usb_host0(struct usb_board_data *board_data)
|
||||
{
|
||||
printk(BIOS_INFO, "Setting up USB HOST0 controller.\n");
|
||||
setup_usb_host(&usb_port0, board_data);
|
||||
}
|
Loading…
Reference in New Issue