usb_xhci.c File Reference

#include <cpu/x86/smm.h>
#include <delay.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/mmio.h>
#include <device/pci_ops.h>
#include "chip.h"
#include "iobp.h"
#include "pch.h"

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Macros
#define	XHCI_RESET_DELAY_US   1000 /* 1ms */
#define	XHCI_RESET_TIMEOUT   100 /* 100ms */

Functions
static u8 *	usb_xhci_mem_base (struct device *dev)
static int	usb_xhci_port_count_usb3 (u8 *mem_base)
static void	usb_xhci_reset_status_usb3 (u8 *mem_base, int port)
static void	usb_xhci_reset_port_usb3 (u8 *mem_base, int port)
static void	usb_xhci_reset_usb3 (struct device *dev, int all)
static void	usb_xhci_clock_gating (struct device *dev)
static void	usb_xhci_init (struct device *dev)

Variables
static struct device_operations	usb_xhci_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver pch_usb_xhci	__pci_driver

Macro Definition Documentation

XHCI_RESET_DELAY_US

#define XHCI_RESET_DELAY_US   1000 /* 1ms */

Definition at line 71 of file usb_xhci.c.

XHCI_RESET_TIMEOUT

#define XHCI_RESET_TIMEOUT   100 /* 100ms */

Definition at line 72 of file usb_xhci.c.

Function Documentation

usb_xhci_clock_gating()

static void usb_xhci_clock_gating ( struct device *  dev )

static

Definition at line 232 of file usb_xhci.c.

References pch_iobp_update(), pch_is_lp(), pci_and_config32(), pci_or_config16(), pci_read_config32(), pci_write_config16(), pci_write_config32(), and pci_write_config8().

Referenced by usb_xhci_init().

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usb_xhci_init()

static void usb_xhci_init ( struct device *  dev )

static

Definition at line 274 of file usb_xhci.c.

References acpi_is_wakeup_s3(), APM_CNT_ROUTE_ALL_XHCI, apm_control(), device::chip_info, config, pch_is_lp(), pci_or_config32(), pci_read_config32(), pci_update_config16(), pci_update_config32(), pci_write_config32(), PWR_CTL_SET_D0, PWR_CTL_SET_MASK, read32(), usb_xhci_clock_gating(), usb_xhci_mem_base(), usb_xhci_reset_usb3(), write32(), and XHCI_PWR_CTL_STS.

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usb_xhci_mem_base()

static u8* usb_xhci_mem_base ( struct device *  dev )

static

Definition at line 17 of file usb_xhci.c.

References PCI_BASE_ADDRESS_0, and pci_read_config32().

Referenced by usb_xhci_init(), and usb_xhci_reset_usb3().

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usb_xhci_port_count_usb3()

static int usb_xhci_port_count_usb3 ( u8 *  mem_base )

static

Definition at line 29 of file usb_xhci.c.

References pch_is_lp(), read32(), XHCI_USB3FUS, XHCI_USB3FUS_SS_MASK, and XHCI_USB3FUS_SS_SHIFT.

Referenced by usb_xhci_reset_usb3().

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usb_xhci_reset_port_usb3()

static void usb_xhci_reset_port_usb3 ( u8 *  mem_base, int  port  )

static

Definition at line 65 of file usb_xhci.c.

References read32(), write32(), XHCI_USB3_PORTSC, and XHCI_USB3_PORTSC_WPR.

Referenced by usb_xhci_reset_usb3().

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usb_xhci_reset_status_usb3()

static void usb_xhci_reset_status_usb3 ( u8 *  mem_base, int  port  )

static

Definition at line 54 of file usb_xhci.c.

References read32(), write32(), XHCI_USB3_PORTSC, XHCI_USB3_PORTSC_CHST, and XHCI_USB3_PORTSC_PED.

Referenced by usb_xhci_reset_usb3().

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usb_xhci_reset_usb3()

static void usb_xhci_reset_usb3 ( struct device *  dev, int  all  )

static

Definition at line 84 of file usb_xhci.c.

References pci_read_config32(), read32(), udelay(), usb_xhci_mem_base(), usb_xhci_port_count_usb3(), usb_xhci_reset_port_usb3(), usb_xhci_reset_status_usb3(), XHCI_PLSR_POLLING, XHCI_PLSR_RXDETECT, XHCI_RESET_DELAY_US, XHCI_RESET_TIMEOUT, XHCI_USB3_PORTSC, XHCI_USB3_PORTSC_PLS, XHCI_USB3_PORTSC_WRC, and XHCI_USB3PDO.

Referenced by usb_xhci_init().

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Variable Documentation

__pci_driver

const struct pci_driver pch_usb_xhci __pci_driver

static

Initial value:

= {
        .ops     = &usb_xhci_ops,
        .vendor  = PCI_VID_INTEL,
        .devices = pci_device_ids,
}

Definition at line 344 of file usb_xhci.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        PCI_DID_INTEL_LPT_H_XHCI,
        PCI_DID_INTEL_LPT_LP_XHCI,
        0
}

Definition at line 344 of file usb_xhci.c.

usb_xhci_ops

struct device_operations usb_xhci_ops

static

Initial value:

= {
        .read_resources         = pci_dev_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = usb_xhci_init,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 274 of file usb_xhci.c.