mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-29 23:32:23 +00:00
108 lines
No EOL
5.6 KiB
C++
108 lines
No EOL
5.6 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 <exosphere.hpp>
|
|
#include "fusee_sd_card.hpp"
|
|
|
|
namespace ams::nxboot {
|
|
|
|
namespace {
|
|
|
|
constexpr inline auto SdCardPort = sdmmc::Port_SdCard0;
|
|
|
|
constexpr inline const uintptr_t APB = secmon::MemoryRegionPhysicalDeviceApbMisc.GetAddress();
|
|
|
|
alignas(0x10) constinit u8 g_sd_work_buffer[sdmmc::SdCardWorkBufferSize];
|
|
|
|
void ConfigureInitialSdCardPinmux() {
|
|
/* Normally, these pints get configured by boot sysmodule during initial pinmux config. */
|
|
/* However, they're required to access the SD card, so we must do them ahead of time. */
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_CLK, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_DOWN),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_CLK_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_CMD, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_CMD_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_DAT3, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT3_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_DAT2, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT2_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_DAT1, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT1_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_SDMMC1_DAT0, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT0_PM, SDMMC1));
|
|
|
|
reg::ReadWrite(APB + PINMUX_AUX_DMIC3_CLK, PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
|
|
PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
|
|
PINMUX_REG_BITS_ENUM(AUX_SDMMC1_DAT0_PM, RSVD2));
|
|
}
|
|
|
|
}
|
|
|
|
Result InitializeSdCard() {
|
|
/* Perform initial pinmux config to enable sd card access. */
|
|
ConfigureInitialSdCardPinmux();
|
|
|
|
/* Initialize the SD card. */
|
|
sdmmc::Initialize(SdCardPort);
|
|
|
|
/* Set the SD card work buffer. */
|
|
sdmmc::SetSdCardWorkBuffer(SdCardPort, g_sd_work_buffer, sizeof(g_sd_work_buffer));
|
|
|
|
/* Activate the SD card. */
|
|
return sdmmc::Activate(SdCardPort);
|
|
}
|
|
|
|
void FinalizeSdCard() {
|
|
/* Deactivate the SD card. */
|
|
sdmmc::Deactivate(SdCardPort);
|
|
|
|
/* Finalize the SD card. */
|
|
sdmmc::Finalize(SdCardPort);
|
|
}
|
|
|
|
Result CheckSdCardConnection(sdmmc::SpeedMode *out_sm, sdmmc::BusWidth *out_bw) {
|
|
return sdmmc::CheckSdCardConnection(out_sm, out_bw, SdCardPort);
|
|
}
|
|
|
|
Result GetSdCardMemoryCapacity(u32 *out_num_sectors) {
|
|
return sdmmc::GetDeviceMemoryCapacity(out_num_sectors, SdCardPort);
|
|
}
|
|
|
|
Result ReadSdCard(void *dst, size_t size, size_t sector_index, size_t sector_count) {
|
|
return sdmmc::Read(dst, size, SdCardPort, sector_index, sector_count);
|
|
}
|
|
|
|
Result WriteSdCard(size_t sector_index, size_t sector_count, const void *src, size_t size) {
|
|
return sdmmc::Write(SdCardPort, sector_index, sector_count, src, size);
|
|
}
|
|
|
|
} |