| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2008-2009 coresystems GmbH |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/io.h> |
| #include <arch/romcc_io.h> |
| #include <console/console.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_def.h> |
| #include "pch.h" |
| |
| #define PCH_EHCI1_TEMP_BAR0 0xe8000000 |
| #define PCH_EHCI2_TEMP_BAR0 0xe8000400 |
| #define PCH_XHCI_TEMP_BAR0 0xe8001000 |
| |
| /* |
| * Setup USB controller MMIO BAR to prevent the |
| * reference code from resetting the controller. |
| * |
| * The BAR will be re-assigned during device |
| * enumeration so these are only temporary. |
| */ |
| void enable_usb_bar(void) |
| { |
| device_t usb0 = PCH_EHCI1_DEV; |
| device_t usb1 = PCH_EHCI2_DEV; |
| device_t usb3 = PCH_XHCI_DEV; |
| u32 cmd; |
| |
| /* USB Controller 1 */ |
| pci_write_config32(usb0, PCI_BASE_ADDRESS_0, |
| PCH_EHCI1_TEMP_BAR0); |
| cmd = pci_read_config32(usb0, PCI_COMMAND); |
| cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; |
| pci_write_config32(usb0, PCI_COMMAND, cmd); |
| |
| /* USB Controller 1 */ |
| pci_write_config32(usb1, PCI_BASE_ADDRESS_0, |
| PCH_EHCI1_TEMP_BAR0); |
| cmd = pci_read_config32(usb1, PCI_COMMAND); |
| cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; |
| pci_write_config32(usb1, PCI_COMMAND, cmd); |
| |
| /* USB3 Controller */ |
| pci_write_config32(usb3, PCI_BASE_ADDRESS_0, |
| PCH_XHCI_TEMP_BAR0); |
| cmd = pci_read_config32(usb3, PCI_COMMAND); |
| cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; |
| pci_write_config32(usb3, PCI_COMMAND, cmd); |
| } |