Atmosphere/stratosphere/boot/source/boot_pmc_wrapper.cpp
SciresM 166318ba77
sdmmc: implement driver suitable for fs + bootloader
* 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
2020-10-30 11:54:30 -07:00

52 lines
1.8 KiB
C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "boot_pmc_wrapper.hpp"
namespace ams::boot {
namespace {
/* Convenience definitions. */
constexpr u32 SmcFunctionId_AtmosphereReadWriteRegister = 0xF0000002;
constexpr dd::PhysicalAddress PmcPhysStart = 0x7000E400;
constexpr dd::PhysicalAddress PmcPhysLast = 0x7000EFFF;
/* Helpers. */
bool IsValidPmcAddress(dd::PhysicalAddress phys_addr) {
return util::IsAligned(phys_addr, alignof(u32)) && PmcPhysStart <= phys_addr && phys_addr <= PmcPhysLast;
}
inline u32 ReadWriteRegisterImpl(dd::PhysicalAddress phys_addr, u32 value, u32 mask) {
u32 out_value;
R_ABORT_UNLESS(spl::smc::ConvertResult(spl::smc::AtmosphereReadWriteRegister(phys_addr, mask, value, &out_value)));
return out_value;
}
}
u32 ReadPmcRegister(dd::PhysicalAddress phys_addr) {
AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
return ReadWriteRegisterImpl(phys_addr, 0, 0);
}
void WritePmcRegister(dd::PhysicalAddress phys_addr, u32 value, u32 mask) {
AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
ReadWriteRegisterImpl(phys_addr, value, mask);
}
}