35 lines
1 KiB
C
35 lines
1 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2018 MediaTek Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/io.h>
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#include <soc/infracfg.h>
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#include <soc/smi.h>
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#include <soc/mtcmos.h>
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enum {
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DISP_PROT_STEP1_0_MASK = 0x3 << 16,
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DISP_PROT_STEP2_0_MASK = 0x3 << 10,
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DISP_PROT_STEP2_1_MASK = 0xff,
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};
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void mtcmos_protect_display_bus(void)
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{
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write32(&mt8183_infracfg->infra_topaxi_protecten_clr,
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DISP_PROT_STEP2_0_MASK);
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write32(&mt8183_smi->smi_common_clamp_en_clr, DISP_PROT_STEP2_1_MASK);
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write32(&mt8183_infracfg->infra_topaxi_protecten_1_clr,
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DISP_PROT_STEP1_0_MASK);
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}
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