src/drivers/sil/3114/sil_sata.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <device/pci.h>
   6 #include <device/pci_ops.h>
   7
   8 static void si_sata_init(struct device *dev)
   9 {
  10         uint32_t dword;
  11         /* enable change device id and class id */
  12         dword = pci_read_config32(dev,0x40);
  13         dword |= (1<<0);
  14         pci_write_config32(dev, 0x40, dword);
  15         /* Set IDE Class, Native mode, two drives per channel */
  16         dword = 0x01018f00;
  17         pci_write_config32(dev, 0x08, dword);
  18         /* disable change device id and class id*/
  19         dword = pci_read_config32(dev,0x40);
  20         dword &= ~(1<<0);
  21         pci_write_config32(dev, 0x40, dword);
  22         printk(BIOS_INFO, "SIL3114 set to IDE compatible mode\n");
  23 }
  24
  25 static struct device_operations si_sata_ops  = {
  26         .read_resources   = pci_dev_read_resources,
  27         .set_resources    = pci_dev_set_resources,
  28         .enable_resources = pci_dev_enable_resources,
  29         .init             = si_sata_init,
  30 };
  31
  32 static const struct pci_driver si_sata_driver __pci_driver = {
  33         .ops    = &si_sata_ops,
  34         .vendor = 0x1095,
  35         .device = 0x3114,
  36 };
  37
  38 static const struct pci_driver si_sata_driver_2 __pci_driver = {
  39         .ops    = &si_sata_ops,
  40         .vendor = 0x1095,
  41         .device = 0x0680,
  42 };