usb.c File Reference

#include <device/mmio.h>
#include <console/console.h>
#include <delay.h>
#include <soc/usb.h>
#include <soc/clock.h>
#include <types.h>

Include dependency graph for usb.c:

Go to the source code of this file.

Data Structures
struct	usb_qscratch
struct	usb_usb2_phy_dig
struct	usb_dwc3
struct	usb_dwc3_cfg

Macros
#define	USB_HOST0_DWC3_BASE   0x758C100
#define	USB3_USB30_QSCRATCH_BASE   0x7678800
#define	USB2_FEMTO_PHY_PRI_BASE   0x007A000
#define	USB_HOST1_DWC3_BASE   0x78CC100
#define	USB2_USB30_QSCRATCH_BASE   0x79B8800
#define	USB2_FEMTO_PHY_SEC_BASE   0x007C000

Functions
	check_member (usb_qscratch, qscratch_cfg_reg, 0x08)
	check_member (usb_usb2_phy_dig, utmi_ctrl5, 0x74)
	check_member (usb_usb2_phy_dig, phy_ctrl1, 0x8C)
	check_member (usb_usb2_phy_dig, override_x0, 0x98)
	check_member (usb_usb2_phy_dig, tcsr_ctrl, 0xC0)
	check_member (usb_usb2_phy_dig, refclk_ctrl, 0xE8)
	check_member (usb_dwc3, usb3pipectl, 0x1c0)
void	reset_usb (enum usb_port port)
static void	usb2_phy_override_phy_params (struct usb_dwc3_cfg *dwc3)
static void	hs_usb_phy_init (struct usb_dwc3_cfg *dwc3)
static void	setup_dwc3 (struct usb_dwc3 *dwc3)
void	setup_usb_host (enum usb_port port, struct usb_board_data *board_data)

Variables
static struct usb_dwc3_cfg	usb_host_base [2]

Macro Definition Documentation

USB2_FEMTO_PHY_PRI_BASE

#define USB2_FEMTO_PHY_PRI_BASE   0x007A000

Definition at line 13 of file usb.c.

USB2_FEMTO_PHY_SEC_BASE

#define USB2_FEMTO_PHY_SEC_BASE   0x007C000

Definition at line 16 of file usb.c.

USB2_USB30_QSCRATCH_BASE

#define USB2_USB30_QSCRATCH_BASE   0x79B8800

Definition at line 15 of file usb.c.

USB3_USB30_QSCRATCH_BASE

#define USB3_USB30_QSCRATCH_BASE   0x7678800

Definition at line 12 of file usb.c.

USB_HOST0_DWC3_BASE

#define USB_HOST0_DWC3_BASE   0x758C100

Definition at line 11 of file usb.c.

USB_HOST1_DWC3_BASE

#define USB_HOST1_DWC3_BASE   0x78CC100

Definition at line 14 of file usb.c.

Function Documentation

check_member() [1/7]

check_member	(	usb_dwc3	,
		usb3pipectl	,
		0x1c0
	)

check_member() [2/7]

check_member	(	usb_qscratch	,
		qscratch_cfg_reg	,
		0x08
	)

check_member() [3/7]

check_member	(	usb_usb2_phy_dig	,
		override_x0	,
		0x98
	)

check_member() [4/7]

check_member	(	usb_usb2_phy_dig	,
		phy_ctrl1	,
		0x8C
	)

check_member() [5/7]

check_member	(	usb_usb2_phy_dig	,
		refclk_ctrl	,
		0xE8
	)

check_member() [6/7]

check_member	(	usb_usb2_phy_dig	,
		tcsr_ctrl	,
		0xC0
	)

check_member() [7/7]

check_member	(	usb_usb2_phy_dig	,
		utmi_ctrl5	,
		0x74
	)

hs_usb_phy_init()

static void hs_usb_phy_init ( struct usb_dwc3_cfg *  dwc3 )

static

Definition at line 146 of file usb.c.

References usb_dwc3_cfg::board_data, usb_usb2_phy_dig::ctrl_common0, usb_usb2_phy_dig::ctrl_common1, usb_usb2_phy_dig::override_x0, usb_usb2_phy_dig::override_x1, usb_usb2_phy_dig::override_x2, usb_usb2_phy_dig::override_x3, usb_usb2_phy_dig::phy_ctrl1, usb_usb2_phy_dig::phy_ctrl2, QUSB2PHY_HS_PHY_CTRL_COMMON0, QUSB2PHY_HS_PHY_CTRL_COMMON1, usb_usb2_phy_dig::refclk_ctrl, usb_usb2_phy_dig::tcsr_ctrl, udelay(), usb_dwc3_cfg::usb2_phy_dig, usb2_phy_override_phy_params(), USB2PHY_HS_PHY_CTRL1, USB2PHY_HS_PHY_CTRL2, USB2PHY_HS_PHY_CTRL2_SUSPEND_N_SEL, USB2PHY_PARAMETER_OVERRIDE_X0, USB2PHY_PARAMETER_OVERRIDE_X1, USB2PHY_PARAMETER_OVERRIDE_X2, USB2PHY_PARAMETER_OVERRIDE_X3, USB2PHY_REFCLK_CTRL, USB2PHY_TCSR_CTRL, USB2PHY_UTMI_CTRL5, USB2PHY_UTMI_CTRL5_POR_CLEAR, usb_usb2_phy_dig::utmi_ctrl5, and write8().

Referenced by setup_usb_host().

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reset_usb()

void reset_usb

(

enum usb_port

port

)

Definition at line 116 of file usb.c.

References BIOS_INFO, clock_reset_bcr(), printk, usb_dwc3_cfg::usb3_bcr, and usb_host_base.

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setup_dwc3()

static void setup_dwc3 ( struct usb_dwc3 *  dwc3 )

static

Definition at line 170 of file usb.c.

References BIOS_INFO, clrsetbits32, usb_dwc3::ctl, DWC3_GCTL_DISSCRAMBLE, DWC3_GCTL_DSBLCLKGTNG, DWC3_GCTL_PRTCAP_HOST, DWC3_GCTL_PRTCAP_OTG, DWC3_GCTL_PRTCAPDIR, DWC3_GCTL_SCALEDOWN_MASK, DWC3_GCTL_U2EXIT_LFPS, DWC3_GUSB3PIPECTL_DELAYP1TRANS, DWC3_GUSB3PIPECTL_UX_EXIT_IN_PX, printk, and usb_dwc3::usb3pipectl.

Referenced by setup_usb_host().

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setup_usb_host()

void setup_usb_host	(	enum usb_port	port,
		struct usb_board_data *	board_data
	)

Definition at line 188 of file usb.c.

References BIOS_INFO, BIT, usb_dwc3_cfg::board_data, clock_reset_bcr(), clrbits32, usb_usb2_phy_dig::ctrl_common0, hs_usb_phy_init(), HSUSB_SS_PORT_0, PIPE3_PHYSTATUS_SW, PIPE_UTMI_CLK_DIS, PIPE_UTMI_CLK_SEL, printk, usb_qscratch::qscratch_cfg_reg, read8(), setbits32, setup_dwc3(), udelay(), usb_dwc3_cfg::usb2_phy_bcr, usb_dwc3_cfg::usb2_phy_dig, usb_dwc3_cfg::usb2_phy_por_bcr, usb_dwc3_cfg::usb3_bcr, usb_host_base, usb_dwc3_cfg::usb_host_dwc3, usb_dwc3_cfg::usb_qscratch_reg, val, and write8().

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usb2_phy_override_phy_params()

static void usb2_phy_override_phy_params ( struct usb_dwc3_cfg *  dwc3 )

static

Definition at line 127 of file usb.c.

References usb_dwc3_cfg::board_data, usb_usb2_phy_dig::override_x0, usb_usb2_phy_dig::override_x1, usb_usb2_phy_dig::override_x2, usb_usb2_phy_dig::override_x3, usb_board_data::parameter_override_x0, usb_board_data::parameter_override_x1, usb_board_data::parameter_override_x2, usb_board_data::parameter_override_x3, usb_dwc3_cfg::usb2_phy_dig, and write8().

Referenced by hs_usb_phy_init().

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Variable Documentation

usb_host_base

struct usb_dwc3_cfg usb_host_base[2]

static

Initial value:

= {
        [HSUSB_SS_PORT_0] = {
        .usb_host_dwc3 =        (void *)USB_HOST0_DWC3_BASE,
        .usb2_phy_dig  =        (void *)USB2_FEMTO_PHY_PRI_BASE,
        .usb2_phy_bcr =         (void *)GCC_USB_HS_PHY_CFG_AHB_BCR,
        .usb2_phy_por_bcr =     (void *)GCC_USB2A_PHY_BCR,
        .usb3_bcr =             (void *)GCC_USB_30_BCR,
        .usb_qscratch_reg =     (void *)USB3_USB30_QSCRATCH_BASE,
        },
        [HSUSB_HS_PORT_1] = {
        .usb_host_dwc3 =        (void *)USB_HOST1_DWC3_BASE,
        .usb2_phy_dig  =        (void *)USB2_FEMTO_PHY_SEC_BASE,
        .usb2_phy_bcr =         (void *)GCC_QUSB2_PHY_BCR,
        .usb2_phy_por_bcr =     (void *)GCC_USB2_HS_PHY_ONLY_BCR,
        .usb3_bcr =             (void *)GCC_USB_HS_BCR,
        .usb_qscratch_reg =     (void *)USB2_USB30_QSCRATCH_BASE,
        },
}

Definition at line 85 of file usb.c.

Referenced by reset_usb(), and setup_usb_host().