| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_ids.h> |
| #include "i82801gx.h" |
| |
| static void usb_init(struct device *dev) |
| { |
| u32 reg32; |
| u8 reg8; |
| |
| /* USB Specification says the device must be Bus Master */ |
| printk(BIOS_DEBUG, "UHCI: Setting up controller.. "); |
| |
| reg32 = pci_read_config32(dev, PCI_COMMAND); |
| pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); |
| |
| // Erratum |
| pci_write_config8(dev, 0xca, 0x00); |
| |
| // Yes. Another Erratum |
| reg8 = pci_read_config8(dev, 0xca); |
| reg8 |= (1 << 0); |
| pci_write_config8(dev, 0xca, reg8); |
| |
| printk(BIOS_DEBUG, "done.\n"); |
| } |
| |
| static struct pci_operations usb_pci_ops = { |
| .set_subsystem = pci_dev_set_subsystem, |
| }; |
| |
| static struct device_operations usb_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = usb_init, |
| .enable = i82801gx_enable, |
| .ops_pci = &usb_pci_ops, |
| }; |
| |
| /* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */ |
| static const struct pci_driver i82801gb_usb1 __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x27c8, |
| }; |
| |
| /* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */ |
| static const struct pci_driver i82801gb_usb2 __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x27c9, |
| }; |
| |
| /* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */ |
| static const struct pci_driver i82801gb_usb3 __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x27ca, |
| }; |
| |
| /* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */ |
| static const struct pci_driver i82801gb_usb4 __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x27cb, |
| }; |