ehci.c File Reference

#include <acpi/acpi.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <stdint.h>
#include <reg_script.h>
#include <soc/iomap.h>
#include <soc/iosf.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/ramstage.h>
#include <soc/ehci.h>
#include "chip.h"

Include dependency graph for ehci.c:

Go to the source code of this file.

Functions
static void	usb2_phy_init (struct device *dev)
static void	ehci_init (struct device *dev)

Variables
static const struct reg_script	ehci_init_script []
static const struct reg_script	ehci_clock_gating_script []
static const struct reg_script	ehci_disable_script []
static const struct reg_script	ehci_hc_reset []
static struct device_operations	ehci_device_ops
static const struct pci_driver baytrail_ehci	__pci_driver

Function Documentation

ehci_init()

static void ehci_init ( struct device *  dev )

static

Definition at line 111 of file ehci.c.

usb2_phy_init()

static void usb2_phy_init ( struct device *  dev )

static

Definition at line 76 of file ehci.c.

References config, config_of(), IOSF_PORT_USBPHY, REG_SCRIPT_END, reg_script_run(), soc_intel_baytrail_config::usb2_comp_bg, USBPHY_COMPBG, USBPHY_PER_PORT_LANE0, USBPHY_PER_PORT_LANE1, USBPHY_PER_PORT_LANE2, USBPHY_PER_PORT_LANE3, USBPHY_PER_PORT_RCOMP_HS_PULLUP0, USBPHY_PER_PORT_RCOMP_HS_PULLUP1, USBPHY_PER_PORT_RCOMP_HS_PULLUP2, and USBPHY_PER_PORT_RCOMP_HS_PULLUP3.

Here is the call graph for this function:

Variable Documentation

__pci_driver

const struct pci_driver baytrail_ehci __pci_driver

static

Initial value:

= {
        .ops    = &ehci_device_ops,
        .vendor = PCI_VID_INTEL,
        .device = EHCI_DEVID
}

Definition at line 111 of file ehci.c.

ehci_clock_gating_script

const struct reg_script ehci_clock_gating_script[]

static

Initial value:

= {
        
        REG_PCI_OR32(0x7c, 0x00004000),
        
        REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x284, 0x000000be),
        REG_SCRIPT_END
}

Definition at line 1 of file ehci.c.

ehci_device_ops

struct device_operations ehci_device_ops

static

Initial value:

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

Definition at line 111 of file ehci.c.

ehci_disable_script

const struct reg_script ehci_disable_script[]

static

Initial value:

= {
        
        REG_RES_RMW32(PCI_BASE_ADDRESS_0, USB2CMD, ~USB2CMD_RS, 0),
        
        REG_RES_POLL32(PCI_BASE_ADDRESS_0, USB2STS,
                       USB2STS_HCHALT, USB2STS_HCHALT, 10000),
        
        REG_PCI_OR32(EHCI_CMD_STS, INTRDIS),
        
        REG_RES_RMW32(PCI_BASE_ADDRESS_0, USB2CMD,
                      ~(USB2CMD_ASE | USB2CMD_PSE), 0),
        
        REG_PCI_RMW32(EHCI_SBRN_FLA_PWC, ~(PORTWKIMP | PORTWKCAPMASK), 0),
        
        REG_MMIO_OR32(RCBA_BASE_ADDRESS + RCBA_FUNC_DIS, RCBA_EHCI_DIS),
        REG_SCRIPT_END
}

Definition at line 1 of file ehci.c.

ehci_hc_reset

const struct reg_script ehci_hc_reset[]

static

Initial value:

= {
        REG_RES_OR16(PCI_BASE_ADDRESS_0, USB2CMD, USB2CMD_HCRESET),
        REG_SCRIPT_END
}

Definition at line 1 of file ehci.c.

ehci_init_script

const struct reg_script ehci_init_script[]

static

Initial value:

= {
        
        REG_PCI_OR16(0x7a, 0x14de),
        
        REG_PCI_OR32(0x7c, 0x0000000c),
        REG_PCI_OR32(0x8c, 0x00000001),
        
        REG_IOSF_RMW(IOSF_PORT_USBPHY, 0x4001, 0xFFFFFF00, 0xCE),
        
        
        REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x200, 0x00000001),
        
        REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x204, 0x00000002),
        
        REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x208, 0x00000000),
        
        REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x240, ~0x0000001f, 0),
        
        REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x318, ~0x00000378, 0x00000007),
        
        REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x31c, ~0x0000000c, 0x00000003),
        REG_SCRIPT_END
}

Definition at line 1 of file ehci.c.