src/soc/intel/apollolake/pnpconfig.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootstate.h>
   4 #include <console/console.h>
   5 #include <intelblocks/pcr.h>
   6 #include <soc/pci_devs.h>
   7 #include <soc/pnpconfig.h>
   8 #include "chip.h"
   9
  10 static const struct pnpconfig perf[] = {
  11         VALUEFORPERF_MSG_VALUES_PLATFORM_DEFAULT,
  12 };
  13
  14 static const struct pnpconfig power[] = {
  15         VALUEFORPOWER_MSG_VALUES_PLATFORM_DEFAULT,
  16 };
  17
  18 static const struct pnpconfig power_perf[] = {
  19         VALUEFORPWRPERF_MSG_VALUES_PLATFORM_DEFAULT,
  20 };
  21
  22 static void pnp_settings(void *unused)
  23 {
  24         int index;
  25         size_t arrsize;
  26         const struct pnpconfig *pnpconfigarr;
  27         struct soc_intel_apollolake_config *config;
  28
  29         config = config_of_soc();
  30
  31         switch (config->pnp_settings) {
  32         case PNP_PERF:
  33                 pnpconfigarr = perf;
  34                 arrsize = ARRAY_SIZE(perf);
  35                 break;
  36         case PNP_POWER:
  37                 pnpconfigarr = power;
  38                 arrsize = ARRAY_SIZE(power);
  39                 break;
  40         case PNP_PERF_POWER:
  41                 pnpconfigarr = power_perf;
  42                 arrsize = ARRAY_SIZE(power_perf);
  43                 break;
  44         default:
  45                 printk(BIOS_NOTICE, "Invalid PNP settings selected");
  46                 return;
  47         }
  48
  49         for (index = 0; index < arrsize; index++)
  50                 pcr_rmw32(pnpconfigarr[index].msgport,
  51                           pnpconfigarr[index].msgregaddr,
  52                           pnpconfigarr[index].mask,
  53                           pnpconfigarr[index].value);
  54 }
  55
  56 BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pnp_settings, NULL);