mainboard.c

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/* 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 "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;
        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,
};