| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * 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; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 <stdint.h> |
| #include <arch/io.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ids.h> |
| #include <console/console.h> |
| #include "i82371eb.h" |
| |
| void enable_pm(void) |
| { |
| device_t dev; |
| u8 reg8; |
| u16 reg16; |
| |
| /* Get the SMBus/PM device of the 82371AB/EB/MB. */ |
| dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, |
| PCI_DEVICE_ID_INTEL_82371AB_SMB_ACPI), 0); |
| |
| /* Set the PM I/O base. */ |
| pci_write_config32(dev, PMBA, DEFAULT_PMBASE | 1); |
| |
| /* Enable access to the PM I/O space. */ |
| reg16 = pci_read_config16(dev, PCI_COMMAND); |
| reg16 |= PCI_COMMAND_IO; |
| pci_write_config16(dev, PCI_COMMAND, reg16); |
| |
| /* PM I/O Space Enable (PMIOSE). */ |
| reg8 = pci_read_config8(dev, PMREGMISC); |
| reg8 |= PMIOSE; |
| pci_write_config8(dev, PMREGMISC, reg8); |
| } |
