diff options
Diffstat (limited to 'src/southbridge/intel/i82801dx/i82801dx_ide.c')
| -rw-r--r-- | src/southbridge/intel/i82801dx/i82801dx_ide.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/i82801dx_ide.c b/src/southbridge/intel/i82801dx/i82801dx_ide.c new file mode 100644 index 0000000000..bb3510783d --- /dev/null +++ b/src/southbridge/intel/i82801dx/i82801dx_ide.c @@ -0,0 +1,53 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "i82801dx.h" + + +static void ide_init(struct device *dev) +{ +#if ICH5_SATA_ADDRESS_MAP<=1 + /* Enable ide devices so the linux ide driver will work */ + uint16_t word; + uint8_t byte; + int enable_a=1, enable_b=1; + + + word = pci_read_config16(dev, 0x40); + word &= ~((1 << 15)); + if (enable_a) { + /* Enable first ide interface */ + word |= (1<<15); + printk_debug("IDE0 "); + } + pci_write_config16(dev, 0x40, word); + + word = pci_read_config16(dev, 0x42); + word &= ~((1 << 15)); + if (enable_b) { + /* Enable secondary ide interface */ + word |= (1<<15); + printk_debug("IDE1 "); + } + pci_write_config16(dev, 0x42, word); +#endif + +} + +static struct device_operations ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = ide_init, + .scan_bus = 0, + .enable = i82801dx_enable, +}; + +static const struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801DBM_IDE, +}; + |