wdt.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/*
 * This file is created based on MT8186 Functional Specification
 * Chapter number: 3.4
 */
 
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/wdt.h>
 
#define MTK_WDT_CLR_STATUS_VAL 0x22
#define MTK_WDT_REQ_MOD_KEY_VAL 0x33
 
DEFINE_BITFIELD(MTK_WDT_CLR_STATUS, 31, 24)
DEFINE_BITFIELD(MTK_WDT_REQ_MOD_KEY, 31, 24)
DEFINE_BIT(MTK_WDT_SPM_THERMAL_EN, 0)
 
void mtk_wdt_preinit(void)
{
        SET32_BITFIELDS(&mtk_wdt->wdt_req_mode,
                        MTK_WDT_SPM_THERMAL_EN, 0,
                        MTK_WDT_REQ_MOD_KEY, MTK_WDT_REQ_MOD_KEY_VAL);
}
 
void mtk_wdt_clr_status(void)
{
        SET32_BITFIELDS(&mtk_wdt->wdt_mode,
                        MTK_WDT_CLR_STATUS, MTK_WDT_CLR_STATUS_VAL);
}