mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
166318ba77
* sdmmc: begin skeletoning sdmmc driver * sdmmc: add most of SdHostStandardController * sdmmc: implement most of SdmmcController * sdmmc: Sdmmc2Controller * sdmmc: skeleton implementation of Sdmmc1Controller * sdmmc: complete abstract logic for Sdmmc1 power controller * sdmmc: implement gpio handling for sdmmc1-register-control * sdmmc: implement pinmux handling for sdmmc1-register-control * sdmmc: fix building for arm32 and in stratosphere context * sdmmc: implement voltage enable/set for sdmmc1-register-control * util: move T(V)SNPrintf from kernel to util * sdmmc: implement BaseDeviceAccessor * sdmmc: implement MmcDeviceAccessor * sdmmc: implement clock reset controller for register api * sdmmc: fix bug in WaitWhileCommandInhibit, add mmc accessors * exo: add sdmmc test program * sdmmc: fix speed mode extension, add CheckMmcConnection for debug * sdmmc: add DeviceDetector, gpio: implement client api * gpio: modernize client api instead of doing it the lazy way * sdmmc: SdCardDeviceAccessor impl * sdmmc: update test program to read first two sectors of sd card * sdmmc: fix vref sel * sdmmc: finish outward-facing api (untested) * ams: changes for libvapours including tegra register defs * sdmmc: remove hwinit
52 lines
1.8 KiB
C++
52 lines
1.8 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_pmc_wrapper.hpp"
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namespace ams::boot {
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namespace {
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/* Convenience definitions. */
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constexpr u32 SmcFunctionId_AtmosphereReadWriteRegister = 0xF0000002;
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constexpr dd::PhysicalAddress PmcPhysStart = 0x7000E400;
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constexpr dd::PhysicalAddress PmcPhysLast = 0x7000EFFF;
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/* Helpers. */
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bool IsValidPmcAddress(dd::PhysicalAddress phys_addr) {
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return util::IsAligned(phys_addr, alignof(u32)) && PmcPhysStart <= phys_addr && phys_addr <= PmcPhysLast;
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}
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inline u32 ReadWriteRegisterImpl(dd::PhysicalAddress phys_addr, u32 value, u32 mask) {
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u32 out_value;
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R_ABORT_UNLESS(spl::smc::ConvertResult(spl::smc::AtmosphereReadWriteRegister(phys_addr, mask, value, &out_value)));
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return out_value;
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}
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}
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u32 ReadPmcRegister(dd::PhysicalAddress phys_addr) {
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AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
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return ReadWriteRegisterImpl(phys_addr, 0, 0);
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}
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void WritePmcRegister(dd::PhysicalAddress phys_addr, u32 value, u32 mask) {
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AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
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ReadWriteRegisterImpl(phys_addr, value, mask);
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}
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}
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