| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <device/pci_ops.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| |
| #include "i82801ix.h" |
| |
| static void thermal_init(struct device *dev) |
| { |
| if (LPC_IS_MOBILE(pcidev_on_root(0x1f, 0))) |
| return; |
| |
| u8 reg8; |
| |
| pci_write_config32(dev, 0x10, (uintptr_t)DEFAULT_TBAR); |
| pci_or_config32(dev, 0x04, 1 << 1); |
| |
| write32(DEFAULT_TBAR + 0x04, 0); /* Clear thermal trip points. */ |
| write32(DEFAULT_TBAR + 0x44, 0); |
| |
| write8(DEFAULT_TBAR + 0x01, 0xba); /* Enable sensor 0 + 1. */ |
| write8(DEFAULT_TBAR + 0x41, 0xba); |
| |
| reg8 = read8(DEFAULT_TBAR + 0x08); /* Lock thermal registers. */ |
| write8(DEFAULT_TBAR + 0x08, reg8 | (1 << 7)); |
| reg8 = read8(DEFAULT_TBAR + 0x48); |
| write8(DEFAULT_TBAR + 0x48, reg8 | (1 << 7)); |
| |
| pci_and_config32(dev, 0x04, ~(1 << 1)); |
| pci_write_config32(dev, 0x10, 0); |
| } |
| |
| static struct device_operations device_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = thermal_init, |
| .ops_pci = &pci_dev_ops_pci, |
| }; |
| |
| static const struct pci_driver ich9_thermal __pci_driver = { |
| .ops = &device_ops, |
| .vendor = PCI_VID_INTEL, |
| .device = PCI_DID_INTEL_82801IB_THERMAL, |
| }; |