src/southbridge/intel/i82801cx/i82801cx_ide.c

   1 #include <console/console.h>
   2 #include <device/device.h>
   3 #include <device/pci.h>
   4 #include <device/pci_ids.h>
   5 #include <device/pci_ops.h>
   6 #include "i82801cx.h"
   7
   8
   9 static void ide_init(struct device *dev)
  10 {
  11         /* Enable ide devices so the linux ide driver will work */
  12         uint16_t ideTimingConfig;
  13         int enable_primary = 1;
  14         int enable_secondary = 1;
  15
  16         ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI);
  17         ideTimingConfig &= ~IDE_DECODE_ENABLE;
  18         if (enable_primary) {
  19                 /* Enable first ide interface */
  20                 ideTimingConfig |= IDE_DECODE_ENABLE;
  21                 printk(BIOS_DEBUG, "IDE0 ");
  22         }
  23         pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig);
  24
  25     ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC);
  26     ideTimingConfig &= ~IDE_DECODE_ENABLE;
  27     if (enable_secondary) {
  28                 /* Enable secondary ide interface */
  29         ideTimingConfig |= IDE_DECODE_ENABLE;
  30         printk(BIOS_DEBUG, "IDE1 ");
  31         }
  32     pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig);
  33 }
  34
  35 static struct device_operations ide_ops  = {
  36         .read_resources   = pci_dev_read_resources,
  37         .set_resources    = pci_dev_set_resources,
  38         .enable_resources = pci_dev_enable_resources,
  39         .init             = ide_init,
  40         .scan_bus         = 0,
  41         .enable           = i82801cx_enable,
  42 };
  43
  44 static const struct pci_driver ide_driver __pci_driver = {
  45         .ops    = &ide_ops,
  46         .vendor = PCI_VENDOR_ID_INTEL,
  47         .device = PCI_DEVICE_ID_INTEL_82801CA_IDE,
  48 };