/* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ops.h> #include <device/pci_ids.h> #include "i82801jx.h" #include <device/pci_ehci.h> static void usb_ehci_init(struct device *dev) { printk(BIOS_DEBUG, "EHCI: Setting up controller.. "); pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); printk(BIOS_DEBUG, "done.\n"); } static void usb_ehci_set_subsystem(struct device *dev, unsigned int vendor, unsigned int device) { u8 access_cntl; access_cntl = pci_read_config8(dev, 0x80); /* Enable writes to protected registers. */ pci_write_config8(dev, 0x80, access_cntl | 1); pci_dev_set_subsystem(dev, vendor, device); /* Restore protection. */ pci_write_config8(dev, 0x80, access_cntl); } static const unsigned short pci_device_ids[] = { 0x3a3a, 0x3a6a, 0x3a3c, 0x3a6c, 0 }; static struct pci_operations lops_pci = { .set_subsystem = &usb_ehci_set_subsystem, }; static struct device_operations usb_ehci_ops = { .read_resources = pci_ehci_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, .init = usb_ehci_init, .ops_pci = &lops_pci, }; static const struct pci_driver pch_usb_ehci1 __pci_driver = { .ops = &usb_ehci_ops, .vendor = PCI_VID_INTEL, .devices = pci_device_ids, };