/*
 * Copyright (C) 2019 MediaTek Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */

#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/infracfg.h>
#include <soc/pll.h>
#include <soc/md_ctrl.h>

#define TOPCKGEN_CLK_MODE_MD_32K     (1 << 8)
#define TOPCKGEN_CLK_MODE_MD_26M     (1 << 9)
#define INFRA_MISC2_SRCCLKENA_RELEASE (0xFF)

static void internal_md_power_down(void)
{
	/* Gating MD clock */
	setbits32(&mtk_topckgen->clk_mode,
		TOPCKGEN_CLK_MODE_MD_32K | TOPCKGEN_CLK_MODE_MD_26M);
	/* Release SRCCLKENA */
	clrbits32(&mt8183_infracfg->infra_misc2,
		INFRA_MISC2_SRCCLKENA_RELEASE);
}

void mtk_md_early_init(void)
{
	internal_md_power_down();
}