/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/device.h> #include <device/pci_ops.h> #include <drivers/intel/gma/int15.h> #include <acpi/acpi.h> #include <southbridge/intel/bd82x6x/pch.h> #include <ec/quanta/it8518/ec.h> #include <vendorcode/google/chromeos/chromeos.h> #include "ec.h" #include "onboard.h" void mainboard_suspend_resume(void) { /* Stout EC needs to be put back in ACPI mode */ ec_write_cmd(EC_CMD_NOTIFY_ACPI_ENTER); } static void mainboard_init(struct device *dev) { struct device *ethernet_dev = NULL; /* Initialize the Embedded Controller */ stout_ec_init(); /* * Battery life time - LAN PCIe should enter ASPM L1 to save * power when LAN connection is idle. * enable CLKREQ: LAN pci config space 0x81h=01 */ ethernet_dev = dev_find_device(STOUT_NIC_VENDOR_ID, STOUT_NIC_DEVICE_ID, dev); if (ethernet_dev != NULL) pci_write_config8(ethernet_dev, 0x81, 0x01); } // mainboard_enable is executed as first thing after // enumerate_buses(). static void mainboard_enable(struct device *dev) { dev->ops->init = mainboard_init; dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0); } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, };