src/mainboard/tyan/s2885/ti_firewire.c

   1 /* Copyright 2003 Tyan */
   2
   3 /* Author: Yinghai Lu
   4  *
   5  */
   6
   7
   8 #include <delay.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <arch/io.h>
  12
  13 #include <console/console.h>
  14 #include <device/device.h>
  15 #include <device/pci.h>
  16 #include <device/pci_ids.h>
  17 #include <device/pci_ops.h>
  18
  19
  20 static void ti_firewire_init(struct device *dev)
  21 {
  22         uint16_t word;
  23
  24         word = pci_read_config16(dev, 0x4);
  25         word |= ((1 << 2) |(1<<4)); // Command: 3--> 17
  26         pci_write_config16(dev, 0x4, word);
  27
  28 }
  29
  30 static struct device_operations ti_firewire_ops  = {
  31         .read_resources   = pci_dev_read_resources,
  32         .set_resources    = pci_dev_set_resources,
  33         .enable_resources = pci_dev_enable_resources,
  34         .init             = ti_firewire_init,
  35         .scan_bus         = 0,
  36 };
  37
  38 static struct pci_driver ti_firewire_driver __pci_driver = {
  39         .ops    = &ti_firewire_ops,
  40         .vendor = 0x104c,
  41         .device = 0x8023,
  42 };
  43