src/southbridge/intel/i82801ex/i82801ex_sata.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 "i82801ex.h"
   7
   8 static void sata_init(struct device *dev)
   9 {
  10         printk(BIOS_DEBUG, "SATA init\n");
  11         /* SATA configuration */
  12         pci_write_config8(dev, 0x04, 0x07);
  13         pci_write_config8(dev, 0x09, 0x8f);
  14
  15         /* Set timmings */
  16         pci_write_config16(dev, 0x40, 0x0a307);
  17         pci_write_config16(dev, 0x42, 0x0a307);
  18
  19         /* Sync DMA */
  20         pci_write_config16(dev, 0x48, 0x000f);
  21         pci_write_config16(dev, 0x4a, 0x1111);
  22
  23         /* 66 mhz */
  24         pci_write_config16(dev, 0x54, 0xf00f);
  25
  26         /* Combine ide - sata configuration */
  27         pci_write_config8(dev, 0x90, 0x0);
  28
  29         /* port 0 & 1 enable */
  30         pci_write_config8(dev, 0x92, 0x33);
  31
  32         /* initialize SATA  */
  33         pci_write_config16(dev, 0xa0, 0x0018);
  34         pci_write_config32(dev, 0xa4, 0x00000264);
  35         pci_write_config16(dev, 0xa0, 0x0040);
  36         pci_write_config32(dev, 0xa4, 0x00220043);
  37
  38 }
  39
  40 static struct device_operations sata_ops  = {
  41         .read_resources   = pci_dev_read_resources,
  42         .set_resources    = pci_dev_set_resources,
  43         .enable_resources = pci_dev_enable_resources,
  44         .init             = sata_init,
  45         .scan_bus         = 0,
  46         .ops_pci          = 0,
  47 };
  48
  49 static const struct pci_driver sata_driver __pci_driver = {
  50         .ops    = &sata_ops,
  51         .vendor = PCI_VENDOR_ID_INTEL,
  52         .device = PCI_DEVICE_ID_INTEL_82801ER_SATA,
  53 };
  54
  55 static const struct pci_driver sata_driver_nr __pci_driver = {
  56         .ops    = &sata_ops,
  57         .vendor = PCI_VENDOR_ID_INTEL,
  58         .device = PCI_DEVICE_ID_INTEL_82801EB_SATA,
  59 };
  60