mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-19 22:59:00 +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
102 lines
4 KiB
C++
102 lines
4 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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#if defined(ATMOSPHERE_IS_STRATOSPHERE)
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#include <stratosphere.hpp>
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#elif defined(ATMOSPHERE_IS_MESOSPHERE)
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#include <mesosphere.hpp>
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#elif defined(ATMOSPHERE_IS_EXOSPHERE)
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#include <exosphere.hpp>
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#else
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#include <vapours.hpp>
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#endif
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namespace ams::dd {
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uintptr_t QueryIoMapping(dd::PhysicalAddress phys_addr, size_t size) {
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#if defined(ATMOSPHERE_IS_EXOSPHERE)
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#if defined(ATMOSPHERE_ARCH_ARM64)
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/* TODO: Secure Monitor translation? */
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AMS_UNUSED(size);
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return static_cast<uintptr_t>(phys_addr);
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#elif defined(ATMOSPHERE_ARCH_ARM)
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/* TODO: BPMP translation? */
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AMS_UNUSED(size);
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return static_cast<uintptr_t>(phys_addr);
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#else
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#error "Unknown architecture for ams::dd::QueryIoMapping (EXOSPHERE)!"
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#endif
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#elif defined(ATMOSPHERE_IS_MESOSPHERE)
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/* TODO: Kernel address translation? */
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AMS_UNUSED(size);
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return static_cast<uintptr_t>(phys_addr);
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#elif defined(ATMOSPHERE_IS_STRATOSPHERE)
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svc::Address virt_addr = 0;
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const dd::PhysicalAddress aligned_addr = util::AlignDown(phys_addr, os::MemoryPageSize);
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const size_t offset = phys_addr - aligned_addr;
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const size_t aligned_size = size + offset;
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if (hos::GetVersion() >= hos::Version_10_0_0) {
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svc::Size region_size = 0;
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R_TRY_CATCH(svc::QueryIoMapping(&virt_addr, ®ion_size, aligned_addr, aligned_size)) {
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/* Official software handles this by returning 0. */
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R_CATCH(svc::ResultNotFound) { return 0; }
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} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
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AMS_ASSERT(region_size >= aligned_size);
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} else {
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R_TRY_CATCH(svc::LegacyQueryIoMapping(&virt_addr, aligned_addr, aligned_size)) {
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/* Official software handles this by returning 0. */
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R_CATCH(svc::ResultNotFound) { return 0; }
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} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
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}
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return static_cast<uintptr_t>(virt_addr) + offset;
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#else
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#error "Unknown execution context for ams::dd::QueryIoMapping!"
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#endif
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}
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u32 ReadIoRegister(dd::PhysicalAddress phys_addr) {
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#if defined(ATMOSPHERE_IS_EXOSPHERE) || defined(ATMOSPHERE_IS_MESOSPHERE)
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return reg::Read(dd::QueryIoMapping(phys_addr, sizeof(u32)));
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#elif defined(ATMOSPHERE_IS_STRATOSPHERE)
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u32 val;
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R_ABORT_UNLESS(svc::ReadWriteRegister(std::addressof(val), phys_addr, 0, 0));
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return val;
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#else
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#error "Unknown execution context for ams::dd::ReadIoRegister!"
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#endif
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}
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void WriteIoRegister(dd::PhysicalAddress phys_addr, u32 value) {
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#if defined(ATMOSPHERE_IS_EXOSPHERE) || defined(ATMOSPHERE_IS_MESOSPHERE)
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reg::Write(dd::QueryIoMapping(phys_addr, sizeof(u32)), value);
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#elif defined(ATMOSPHERE_IS_STRATOSPHERE)
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u32 out_val;
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R_ABORT_UNLESS(svc::ReadWriteRegister(std::addressof(out_val), phys_addr, 0xFFFFFFFF, value));
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AMS_UNUSED(out_val);
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#else
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#error "Unknown execution context for ams::dd::WriteIoRegister!"
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#endif
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}
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}
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