/* 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 "i82801jx.h" static void thermal_init(struct device *dev) { 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 unsigned short pci_device_ids[] = { 0x3a32, 0x3a62, 0 }; static const struct pci_driver ich10_thermal __pci_driver = { .ops = &device_ops, .vendor = PCI_VENDOR_ID_INTEL, .devices = pci_device_ids, };