devtree.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <chip.h>
#include <cpu/intel/turbo.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <option.h>
#include <types.h>
#include <variants.h>
 
void devtree_update(void)
{
        config_t *cfg = config_of_soc();
 
        struct soc_power_limits_config *soc_conf_2core =
                &cfg->power_limits_config[POWER_LIMITS_U_2_CORE];
 
        struct soc_power_limits_config *soc_conf_4core =
                &cfg->power_limits_config[POWER_LIMITS_U_4_CORE];
 
        struct device *nic_dev = pcidev_on_root(0x14, 3);
        struct device *tbt_pci_dev = pcidev_on_root(0x07, 0);
        struct device *tbt_dma_dev = pcidev_on_root(0x0d, 2);
 
 
        /* Update PL1 & PL2 based on CMOS settings */
        switch (get_power_profile(PP_POWER_SAVER)) {
        case PP_POWER_SAVER:
                disable_turbo();
                soc_conf_2core->tdp_pl1_override = 15;
                soc_conf_4core->tdp_pl1_override = 15;
                soc_conf_2core->tdp_pl2_override = 15;
                soc_conf_4core->tdp_pl2_override = 15;
                break;
        case PP_BALANCED:
                soc_conf_2core->tdp_pl1_override = 15;
                soc_conf_4core->tdp_pl1_override = 15;
                soc_conf_2core->tdp_pl2_override = 25;
                soc_conf_4core->tdp_pl2_override = 25;
                break;
        case PP_PERFORMANCE:
                soc_conf_2core->tdp_pl1_override = 28;
                soc_conf_4core->tdp_pl1_override = 28;
                soc_conf_2core->tdp_pl2_override = 40;
                soc_conf_4core->tdp_pl2_override = 40;
                break;
        }
 
        /* Enable/Disable Wireless based on CMOS settings */
        if (get_uint_option("wireless", 1) == 0)
                nic_dev->enabled = 0;
 
        /* Enable/Disable Webcam based on CMOS settings */
        if (get_uint_option("webcam", 1) == 0)
                cfg->usb2_ports[3].enable = 0;
 
        /* Enable/Disable Thunderbolt based on CMOS settings */
        if (get_uint_option("thunderbolt", 1) == 0) {
                cfg->UsbTcPortEn = 0;
                cfg->TcssXhciEn = 0;
                cfg->TcssD3ColdDisable = 0;
                tbt_pci_dev->enabled = 0;
                tbt_dma_dev->enabled = 0;
        }
}