diff options
Diffstat (limited to 'src/southbridge/intel/i82801db/i82801db_ide.c')
| -rw-r--r-- | src/southbridge/intel/i82801db/i82801db_ide.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801db/i82801db_ide.c b/src/southbridge/intel/i82801db/i82801db_ide.c new file mode 100644 index 0000000000..87cb2c321b --- /dev/null +++ b/src/southbridge/intel/i82801db/i82801db_ide.c @@ -0,0 +1,75 @@ +/* + * This file is part of the LinuxBIOS 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; 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 <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "i82801db.h" + +static void ide_init(struct device *dev) +{ + /* Enable IDE devices and timmings */ + uint8_t byte; + + pci_write_config16(dev, 0x40, 0x8000); + /* + pci_write_config16(dev, 0x40, 0xa307); + pci_write_config16(dev, 0x42, 0xa307); + pci_write_config8(dev, 0x48, 0x05); + pci_write_config16(dev, 0x4a, 0x0101); + pci_write_config16(dev, 0x54, 0x5055); + */ + + /* + byte = pci_read_config8(dev, 0x09); + byte |= 0x0f; + pci_write_config8(dev, 0x09, byte); + */ + /* force irq into compat mode + pci_write_config32(dev, 0x10, 0x0); + pci_write_config32(dev, 0x14, 0x0); + pci_write_config32(dev, 0x18, 0x0); + pci_write_config32(dev, 0x1c, 0x0); + + + pci_write_config8(dev, 0x3d, 00); + */ + pci_write_config8(dev, 0x3c, 0xff); + + + + printk_debug("IDE Enabled\n"); +} + +static struct device_operations ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .enable = 0, + .init = ide_init, + .scan_bus = 0, +}; + +static struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801DB_IDE, +}; + |