diff options
Diffstat (limited to 'src/mainboard/intel/eagleheights/reset.c')
| -rw-r--r-- | src/mainboard/intel/eagleheights/reset.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/mainboard/intel/eagleheights/reset.c b/src/mainboard/intel/eagleheights/reset.c new file mode 100644 index 0000000000..d35a6dc629 --- /dev/null +++ b/src/mainboard/intel/eagleheights/reset.c @@ -0,0 +1,62 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2008 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 <device/pci_def.h> +#include <device/pci_ids.h> +#ifndef __ROMCC__ +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#define PCI_ID(VENDOR_ID, DEVICE_ID) \ + ((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF)) +#define PCI_DEV_INVALID 0 + +static inline device_t pci_locate_device(unsigned pci_id, device_t from) +{ + return dev_find_device(pci_id >> 16, pci_id & 0xffff, from); +} +#endif + +void soft_reset(void) +{ + outb(0x04, 0xcf9); +} + +void hard_reset(void) +{ + outb(0x06, 0xcf9); +} + +void full_reset(void) +{ + device_t dev; + /* Enable power on after power fail... */ + dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_3100_LPC), 0); + if (dev != PCI_DEV_INVALID) { + unsigned byte; + byte = pci_read_config8(dev, 0xa4); + byte &= 0xfe; + pci_write_config8(dev, 0xa4, byte); + } + outb(0x0e, 0xcf9); +} + |