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