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