diff options
Diffstat (limited to 'src/southbridge/intel/i82801cx/ide.c')
-rw-r--r-- | src/southbridge/intel/i82801cx/ide.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801cx/ide.c b/src/southbridge/intel/i82801cx/ide.c new file mode 100644 index 0000000000..74c442c52c --- /dev/null +++ b/src/southbridge/intel/i82801cx/ide.c @@ -0,0 +1,48 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "i82801cx.h" + + +static void ide_init(struct device *dev) +{ + /* Enable ide devices so the linux ide driver will work */ + uint16_t ideTimingConfig; + int enable_primary = 1; + int enable_secondary = 1; + + ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI); + ideTimingConfig &= ~IDE_DECODE_ENABLE; + if (enable_primary) { + /* Enable first ide interface */ + ideTimingConfig |= IDE_DECODE_ENABLE; + printk(BIOS_DEBUG, "IDE0 "); + } + pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig); + + ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC); + ideTimingConfig &= ~IDE_DECODE_ENABLE; + if (enable_secondary) { + /* Enable secondary ide interface */ + ideTimingConfig |= IDE_DECODE_ENABLE; + printk(BIOS_DEBUG, "IDE1 "); + } + pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig); +} + +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 = i82801cx_enable, +}; + +static const struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801CA_IDE, +}; |