mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-21 01:42:12 +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
146 lines
6.6 KiB
C++
146 lines
6.6 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 <exosphere.hpp>
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namespace ams::sdmmc_test {
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namespace {
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constexpr inline const uintptr_t PMC = secmon::MemoryRegionPhysicalDevicePmc.GetAddress();
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constexpr inline auto Port = sdmmc::Port_SdCard0;
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alignas(8) constinit u8 g_sd_work_buffer[sdmmc::SdCardWorkBufferSize];
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constexpr inline u32 SectorIndex = 0;
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constexpr inline u32 SectorCount = 2;
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NORETURN void PmcMainReboot() {
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/* Write enable to MAIN_RESET. */
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reg::Write(PMC + APBDEV_PMC_CNTRL, PMC_REG_BITS_ENUM(CNTRL_MAIN_RESET, ENABLE));
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/* Wait forever until we're reset. */
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AMS_INFINITE_LOOP();
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}
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void CheckResult(const Result result) {
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volatile u32 * const DEBUG = reinterpret_cast<volatile u32 *>(0x4003C000);
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if (R_FAILED(result)) {
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DEBUG[1] = result.GetValue();
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PmcMainReboot();
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}
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}
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}
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void Main() {
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/* Perform butchered hwinit. */
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/* TODO: replace with simpler, non-C logic. */
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/* nx_hwinit(); */
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/* Clear output buffer for debug. */
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std::memset((void *)0x40038000, 0xAA, 0x400);
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/* Normally, these pins get configured by boot sysmodule during initial pinmux config. */
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/* However, they're required to access the SD card. */
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{
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const uintptr_t apb_misc = dd::QueryIoMapping(0x70000000, 0x4000);
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_CLK, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_DOWN),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_CLK_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_CMD, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_CMD_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_DAT3, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT3_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_DAT2, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT2_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_DAT1, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT1_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_SDMMC1_DAT0, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT0_PM, SDMMC1));
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reg::ReadWrite(apb_misc + PINMUX_AUX_DMIC3_CLK, PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT0_PM, RSVD2));
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}
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/* Debug signaler. */
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volatile u32 * const DEBUG = reinterpret_cast<volatile u32 *>(0x4003C000);
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DEBUG[0] = 0;
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DEBUG[1] = 0xAAAAAAAA;
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/* Initialize sdmmc library. */
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sdmmc::Initialize(Port);
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DEBUG[0] = 1;
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sdmmc::SetSdCardWorkBuffer(Port, g_sd_work_buffer, sizeof(g_sd_work_buffer));
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DEBUG[0] = 2;
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Result result = sdmmc::Activate(Port);
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DEBUG[0] = 3;
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CheckResult(result);
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/* Read the first two sectors from disk. */
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void * const sector_dst = reinterpret_cast<void *>(0x40038000);
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result = sdmmc::Read(sector_dst, SectorCount * sdmmc::SectorSize, Port, SectorIndex, SectorCount);
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DEBUG[0] = 4;
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CheckResult(result);
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/* Get the connection status. */
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sdmmc::SpeedMode speed_mode;
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sdmmc::BusWidth bus_width;
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result = sdmmc::CheckSdCardConnection(std::addressof(speed_mode), std::addressof(bus_width), Port);
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/* Save status for debug. */
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DEBUG[0] = 5;
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DEBUG[1] = result.GetValue();
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DEBUG[2] = static_cast<u32>(speed_mode);
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DEBUG[3] = static_cast<u32>(bus_width);
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/* Perform a reboot. */
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PmcMainReboot();
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}
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NORETURN void ExceptionHandler() {
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PmcMainReboot();
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}
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}
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namespace ams::diag {
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void AbortImpl() {
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sdmmc_test::ExceptionHandler();
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}
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}
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