soc/nuvoton/npcx/npck3/soc.c

/*
 * Copyright (c) 2025 Nuvoton Technology Corporation.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <soc.h>
#include <zephyr/logging/log.h>

LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);

extern void scfg_init(void);

void soc_early_init_hook(void)
{
	struct glue_reg *inst_glue = (struct glue_reg *)
			DT_REG_ADDR_BY_NAME(DT_NODELABEL(scfg), glue);

	struct scfg_reg *inst_scfg = (struct scfg_reg *)
			DT_REG_ADDR_BY_NAME(DT_NODELABEL(scfg), scfg);

	if (IS_ENABLED(CONFIG_SOC_NPCK_EPURST_DISABLE)) {
		/* EXT_PURST# signal is not selected to the pin by default */
		inst_glue->EPURST_CTL &= ~BIT(NPCX_EPURST_CTL_EPUR2_EN);
	}

	if (IS_ENABLED(CONFIG_SOC_NPCK_DEBUG_DISABLE)) {
		/* Core debugging interface is disabled */
		inst_scfg->DEVCNT |= BIT(1);
	}

	scfg_init();
}