xhci.c File Reference

#include <acpi/acpi.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <stdint.h>
#include <reg_script.h>
#include <soc/iomap.h>
#include <soc/iosf.h>
#include <soc/lpc.h>
#include <soc/pattrs.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/ramstage.h>
#include <soc/xhci.h>
#include "chip.h"

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Functions
static void	xhci_reset_port_usb3 (struct device *dev, int port)
static void	xhci_route_all (struct device *dev)
static void	xhci_init (struct device *dev)

Variables
struct reg_script	usb3_phy_script []
const struct reg_script	xhci_init_script []
const struct reg_script	xhci_init_boot_script []
const struct reg_script	xhci_init_resume_script []
const struct reg_script	xhci_clock_gating_script []
static struct device_operations	xhci_device_ops
static const struct pci_driver baytrail_xhci	__pci_driver

Function Documentation

xhci_init()

static void xhci_init ( struct device *  dev )

static

Definition at line 185 of file xhci.c.

xhci_reset_port_usb3()

static void xhci_reset_port_usb3 ( struct device *  dev, int  port  )

static

Definition at line 137 of file xhci.c.

References reg_script::dev, PCI_BASE_ADDRESS_0, REG_RES_OR32, REG_RES_POLL32, REG_RES_RMW32, REG_SCRIPT_END, reg_script_run_on_dev(), XHCI_RESET_TIMEOUT, XHCI_USB3_PORTSC, XHCI_USB3_PORTSC_CHST, XHCI_USB3_PORTSC_PED, XHCI_USB3_PORTSC_WPR, and XHCI_USB3_PORTSC_WRC.

Referenced by xhci_route_all().

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xhci_route_all()

static void xhci_route_all ( struct device *  dev )

static

Definition at line 156 of file xhci.c.

References acpi_is_wakeup_s3(), BIOS_INFO, BYTM_USB2_PORT_MAP, BYTM_USB3_PORT_COUNT, BYTM_USB3_PORT_MAP, reg_script::dev, pci_read_config32(), printk, REG_PCI_WRITE32, REG_SCRIPT_END, reg_script_run_on_dev(), xhci_reset_port_usb3(), XHCI_USB2PR, XHCI_USB3PDO, and XHCI_USB3PR.

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Variable Documentation

__pci_driver

const struct pci_driver baytrail_xhci __pci_driver

static

Initial value:

= {
        .ops    = &xhci_device_ops,
        .vendor = PCI_VID_INTEL,
        .device = XHCI_DEVID
}

Definition at line 185 of file xhci.c.

usb3_phy_script

struct reg_script usb3_phy_script[]

Initial value:

= {
        
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_PLL_CONTROL,
                     ~0x00700000, 0x00500000),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_VCO_START_CAL_POINT,
                     ~0x001f0000, 0x000A0000),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CCDRLF,
                     ~0x0000000f, 0x0000000b),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_PEAKING_AMP_CONFIG_DIAG,
                     ~0x000000f0, 0x000000f0),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_OFFSET_COR_CONFIG_DIAG,
                     ~0x000001c0, 0x00000000),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_VGA_GAIN_CONFIG_DIAG,
                     ~0x00000070, 0x00000020),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_REE_DAC_CONTROL,
                     ~0x00000002, 0x00000002),
        REG_IOSF_RMW(IOSF_PORT_USHPHY, USHPHY_CDN_U1_POWER_STATE_DEF,
                     ~0x00000000, 0x00040000),
        REG_SCRIPT_END
}

Definition at line 1 of file xhci.c.

xhci_clock_gating_script

const struct reg_script xhci_clock_gating_script[]

Initial value:

= {
        
        
        REG_PCI_RMW16(0x40, ~0x0600, 0x0100),
        REG_PCI_RMW8(0x42, ~0x38, 0x04),
        
        REG_PCI_RMW16(0x44, ~0x0030, 0x0008),
        
        REG_PCI_RMW32(0xa0, ~0x00080000, 0x00040000),
        
        REG_PCI_WRITE16(0xa4, 0x0000),
        
        REG_PCI_RMW32(0xb0, ~0x00376000, 0x00000000),
        
        REG_PCI_WRITE32(0x50, 0x0bce6e5f),
        REG_SCRIPT_END
}

Definition at line 1 of file xhci.c.

xhci_device_ops

struct device_operations xhci_device_ops

static

Initial value:

= {
        .read_resources         = pci_dev_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = xhci_init,
        .ops_pci                = &soc_pci_ops,
}

Definition at line 185 of file xhci.c.

xhci_init_boot_script

const struct reg_script xhci_init_boot_script[]

Initial value:

= {
        
        REG_SCRIPT_NEXT(usb3_phy_script),
        
        REG_SCRIPT_NEXT(xhci_init_script),
        
        REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x00010200, 0x01000040),
        
        REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x01000000, 0),
        REG_SCRIPT_END
}

Definition at line 1 of file xhci.c.

xhci_init_resume_script

const struct reg_script xhci_init_resume_script[]

Initial value:

= {
        
        REG_SCRIPT_NEXT(usb3_phy_script),
        
        REG_SCRIPT_NEXT(xhci_init_script),
        
        REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x80e0, ~0x01010200, 0x00000040),
        REG_SCRIPT_END
}

Definition at line 1 of file xhci.c.

xhci_init_script

const struct reg_script xhci_init_script[]

Definition at line 1 of file xhci.c.