| /* |
| * This file is part of the coreboot project. |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #include <console/console.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/xhci.h> |
| |
| #include "chip.h" |
| |
| static void xhci_init(struct device *dev) |
| { |
| struct soc_intel_braswell_config *config = config_of(dev); |
| |
| if (config->usb_comp_bg) { |
| struct reg_script ops[] = { |
| REG_IOSF_WRITE(IOSF_PORT_USBPHY, USBPHY_COMPBG, config->usb_comp_bg), |
| REG_SCRIPT_END |
| }; |
| printk(BIOS_INFO, "Override USB2_COMPBG to: 0x%X\n", config->usb_comp_bg); |
| reg_script_run(ops); |
| } |
| } |
| |
| static struct device_operations xhci_device_ops = { |
| .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, |
| }; |
| |
| static const struct pci_driver soc_xhci __pci_driver = { |
| .ops = &xhci_device_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = XHCI_DEVID |
| }; |