pnpconfig.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <bootstate.h>
#include <console/console.h>
#include <intelblocks/pcr.h>
#include <soc/pci_devs.h>
#include <soc/pnpconfig.h>
#include "chip.h"
 
static const struct pnpconfig perf[] = {
        VALUEFORPERF_MSG_VALUES_PLATFORM_DEFAULT,
};
 
static const struct pnpconfig power[] = {
        VALUEFORPOWER_MSG_VALUES_PLATFORM_DEFAULT,
};
 
static const struct pnpconfig power_perf[] = {
        VALUEFORPWRPERF_MSG_VALUES_PLATFORM_DEFAULT,
};
 
static void pnp_settings(void *unused)
{
        int index;
        size_t arrsize;
        const struct pnpconfig *pnpconfigarr;
        struct soc_intel_apollolake_config *config;
 
        config = config_of_soc();
 
        switch (config->pnp_settings) {
        case PNP_PERF:
                pnpconfigarr = perf;
                arrsize = ARRAY_SIZE(perf);
                break;
        case PNP_POWER:
                pnpconfigarr = power;
                arrsize = ARRAY_SIZE(power);
                break;
        case PNP_PERF_POWER:
                pnpconfigarr = power_perf;
                arrsize = ARRAY_SIZE(power_perf);
                break;
        default:
                printk(BIOS_NOTICE, "Invalid PNP settings selected");
                return;
        }
 
        for (index = 0; index < arrsize; index++)
                pcr_rmw32(pnpconfigarr[index].msgport,
                          pnpconfigarr[index].msgregaddr,
                          pnpconfigarr[index].mask,
                          pnpconfigarr[index].value);
}
 
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pnp_settings, NULL);