blob: cfe761b4ac07b40373fc8e1b97f3709813ad1fe5 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright 2018 MediaTek Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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/infracfg.h>
#include <soc/smi.h>
#include <soc/mtcmos.h>
enum {
DISP_PROT_STEP1_0_MASK = 0x3 << 16,
DISP_PROT_STEP2_0_MASK = 0x3 << 10,
DISP_PROT_STEP2_1_MASK = 0xff,
};
void mtcmos_protect_display_bus(void)
{
write32(&mt8183_infracfg->infra_topaxi_protecten_clr,
DISP_PROT_STEP2_0_MASK);
write32(&mt8183_smi->smi_common_clamp_en_clr, DISP_PROT_STEP2_1_MASK);
write32(&mt8183_infracfg->infra_topaxi_protecten_1_clr,
DISP_PROT_STEP1_0_MASK);
}