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https://github.com/Atmosphere-NX/Atmosphere.git
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38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "boot_clock_initial_configuration.hpp"
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namespace ams::boot {
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namespace {
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constexpr inline dd::PhysicalAddress PmcBase = 0x7000E400;
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/* Convenience definitions. */
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constexpr u32 InitialClockOutMask1x = 0x00C4;
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constexpr u32 InitialClockOutMask6x = 0xC4C4;
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}
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void SetInitialClockConfiguration() {
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/* Write mask to APBDEV_PMC_PWR_DET, then clear APBDEV_PMC_PWR_DET_VAL. */
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const u32 mask = hos::GetVersion() >= hos::Version_6_0_0 ? InitialClockOutMask6x : InitialClockOutMask1x;
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dd::ReadModifyWriteIoRegister(PmcBase + APBDEV_PMC_CLK_OUT_CNTRL, mask, mask);
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}
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}
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