src/southbridge/intel/ibexpeak/thermal.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_ids.h>
   7 #include "pch.h"
   8 #include <device/mmio.h>
   9
  10 static void thermal_init(struct device *dev)
  11 {
  12         struct resource *res;
  13         u8 *base;
  14         printk(BIOS_DEBUG, "Thermal init start.\n");
  15
  16         res = probe_resource(dev, PCI_BASE_ADDRESS_0);
  17         if (!res)
  18                 return;
  19
  20         base = res2mmio(res, 0, 0);
  21         write32(base + 4, 0x3a2b);
  22         write8(base + 0xe, 0x40);
  23         write16(base + 0x56, 0xffff);
  24         write16(base + 0x64, 0xffff);
  25         write16(base + 0x66, 0xffff);
  26         write16(base + 0x68, 0xfa);
  27
  28         write8(base + 1, 0xb8);
  29
  30         printk(BIOS_DEBUG, "Thermal init done.\n");
  31 }
  32
  33 static struct device_operations thermal_ops = {
  34         .read_resources = pci_dev_read_resources,
  35         .set_resources = pci_dev_set_resources,
  36         .enable_resources = pci_dev_enable_resources,
  37         .init = thermal_init,
  38         .ops_pci = &pci_dev_ops_pci,
  39 };
  40
  41 static const struct pci_driver pch_thermal __pci_driver = {
  42         .ops = &thermal_ops,
  43         .vendor = PCI_VID_INTEL,
  44         .device = PCI_DID_INTEL_IBEXPEAK_THERMAL,
  45 };