src/southbridge/intel/esb6300/esb6300_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 "esb6300.h"
   7
   8 static void sata_init(struct device *dev)
   9 {
  10
  11         /* Enable sata devices so the linux sata driver will work */
  12         uint16_t word;
  13
  14         /* Enable SATA devices */
  15
  16         printk_debug("SATA init\n");
  17         /* SATA configuration */
  18         pci_write_config8(dev, 0x04, 0x07);
  19         pci_write_config8(dev, 0x09, 0x8f);
  20
  21         /* Set timmings */
  22         pci_write_config16(dev, 0x40, 0x0a307);
  23         pci_write_config16(dev, 0x42, 0x0a307);
  24
  25         /* Sync DMA */
  26         pci_write_config16(dev, 0x48, 0x000f);
  27         pci_write_config16(dev, 0x4a, 0x1111);
  28
  29         /* 66 mhz */
  30         pci_write_config16(dev, 0x54, 0xf00f);
  31
  32         /* Combine ide - sata configuration */
  33         pci_write_config8(dev, 0x90, 0x0);
  34
  35         /* port 0 & 1 enable */
  36         pci_write_config8(dev, 0x92, 0x33);
  37
  38         /* initialize SATA  */
  39         pci_write_config16(dev, 0xa0, 0x0018);
  40         pci_write_config32(dev, 0xa4, 0x00000264);
  41         pci_write_config16(dev, 0xa0, 0x0040);
  42         pci_write_config32(dev, 0xa4, 0x00220043);
  43
  44         printk_debug("SATA Enabled\n");
  45 }
  46
  47 static void esb6300_sata_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  48 {
  49         /* This value is also visible in usb1, usb2 and smbus functions */
  50         pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
  51                 ((device & 0xffff) << 16) | (vendor & 0xffff));
  52 }
  53
  54 static struct pci_operations lops_pci = {
  55         .set_subsystem = esb6300_sata_set_subsystem,
  56 };
  57 static struct device_operations sata_ops  = {
  58         .read_resources   = pci_dev_read_resources,
  59         .set_resources    = pci_dev_set_resources,
  60         .enable_resources = pci_dev_enable_resources,
  61         .init             = sata_init,
  62         .scan_bus         = 0,
  63         .ops_pci          = &lops_pci,
  64 };
  65
  66 static const struct pci_driver sata_driver __pci_driver = {
  67         .ops    = &sata_ops,
  68         .vendor = PCI_VENDOR_ID_INTEL,
  69         .device = PCI_DEVICE_ID_INTEL_6300ESB_SATA,
  70 };
  71
  72 static const struct pci_driver sata_driver_nr __pci_driver = {
  73         .ops    = &sata_ops,
  74         .vendor = PCI_VENDOR_ID_INTEL,
  75         .device = PCI_DEVICE_ID_INTEL_6300ESB_SATA_RAID,
  76 };
  77