src/mainboard/starlabs/lite/devtree.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <cpu/intel/turbo.h>
   4 #include <device/device.h>
   5 #include <device/pci_def.h>
   6 #include <option.h>
   7 #include <types.h>
   8 #include <variants.h>
   9
  10 #include "soc/intel/apollolake/chip.h"
  11
  12 enum cmos_power_profile get_power_profile(enum cmos_power_profile fallback)
  13 {
  14         const unsigned int power_profile = get_uint_option("power_profile", fallback);
  15         return power_profile < NUM_POWER_PROFILES ? power_profile : fallback;
  16 }
  17
  18 void devtree_update(void)
  19 {
  20         config_t *cfg = config_of_soc();
  21
  22         struct soc_power_limits_config *soc_conf =
  23                 &cfg->power_limits_config;
  24
  25         struct device *nic_dev = pcidev_on_root(0x0c, 0);
  26
  27         /* Update PL1 & PL2 based on CMOS settings */
  28         switch (get_power_profile(PP_POWER_SAVER)) {
  29         case PP_POWER_SAVER:
  30                 disable_turbo();
  31                 soc_conf->tdp_pl1_override      = 6;
  32                 soc_conf->tdp_pl2_override      = 10;
  33                 cfg->tcc_offset                 = 15;
  34                 break;
  35         case PP_BALANCED:
  36                 soc_conf->tdp_pl1_override      = 10;
  37                 soc_conf->tdp_pl2_override      = 15;
  38                 cfg->tcc_offset                 = 10;
  39                 break;
  40         case PP_PERFORMANCE:
  41                 soc_conf->tdp_pl1_override      = 10;
  42                 soc_conf->tdp_pl2_override      = 20;
  43                 cfg->tcc_offset                 = 5;
  44                 break;
  45         }
  46
  47         /* Enable/Disable Wireless based on CMOS settings */
  48         if (get_uint_option("wireless", 1) == 0)
  49                 nic_dev->enabled = 0;
  50
  51         /* Enable/Disable Webcam based on CMOS settings */
  52         cfg->usb2_port[CONFIG_WEBCAM_USB_PORT].enable = get_uint_option("webcam", 1);
  53 }