xhci.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
 
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
 
static void usb_xhci_init(struct device *dev)
{
        /* USB XHCI configuration is handled by the FSP */
 
        printk(BIOS_NOTICE, "pch: %s\n", __func__);
 
        /* Set the value for PCI command register. */
        pci_write_config16(dev, PCI_COMMAND,
                           PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
}
 
static struct device_operations usb_xhci_ops = {
        .read_resources = pci_dev_read_resources,
        .set_resources = pci_dev_set_resources,
        .enable_resources = pci_dev_enable_resources,
        .init = usb_xhci_init,
        .enable = pci_dev_enable_resources,
        .ops_pci = &soc_pci_ops,
};
 
static const struct pci_driver pch_usb_xhci __pci_driver = {
        .ops = &usb_xhci_ops,
        .vendor = PCI_VID_INTEL,
        .device = PCI_DID_INTEL_DNV_XHCI,
};