Atmosphere/stratosphere/boot/source/boot_functions.hpp

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/*
* Copyright (c) 2018-2019 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/>.
*/
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#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "boot_types.hpp"
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#include "i2c_driver/i2c_types.hpp"
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class Boot {
public:
static constexpr u32 GpioPhysicalBase = 0x6000D000;
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static constexpr u32 ApbMiscPhysicalBase = 0x70000000;
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public:
/* Functions for actually booting. */
static void ChangeGpioVoltageTo1_8v();
static void SetInitialGpioConfiguration();
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static void CheckClock();
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static void DetectBootReason();
static void ShowSplashScreen();
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static void CheckBatteryCharge();
static void SetInitialClockConfiguration();
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static void ConfigurePinmux();
static void SetInitialWakePinConfiguration();
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static void SetFanEnabled();
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static void CheckAndRepairBootImages();
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/* Power utilities. */
static void RebootSystem();
static void ShutdownSystem();
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/* Register Utilities. */
static u32 ReadPmcRegister(u32 phys_addr);
static void WritePmcRegister(u32 phys_addr, u32 value, u32 mask = UINT32_MAX);
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/* GPIO Utilities. */
static u32 GpioConfigure(u32 gpio_pad_name);
static u32 GpioSetDirection(u32 gpio_pad_name, GpioDirection dir);
static u32 GpioSetValue(u32 gpio_pad_name, GpioValue val);
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/* Pinmux Utilities. */
static u32 PinmuxUpdatePark(u32 pinmux_name);
static u32 PinmuxUpdatePad(u32 pinmux_name, u32 config_val, u32 config_mask);
static u32 PinmuxUpdateDrivePad(u32 pinmux_drivepad_name, u32 config_val, u32 config_mask);
static u32 PinmuxDummyReadDrivePad(u32 pinmux_drivepad_name);
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static void ConfigurePinmuxInitialPads();
static void ConfigurePinmuxInitialDrivePads();
/* SPL Utilities. */
static HardwareType GetHardwareType();
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static u32 GetBootReason();
static bool IsRecoveryBoot();
static bool IsMariko();
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/* I2C Utilities. */
static Result ReadI2cRegister(I2cSessionImpl &session, u8 *dst, size_t dst_size, const u8 *cmd, size_t cmd_size);
static Result WriteI2cRegister(I2cSessionImpl &session, const u8 *src, size_t src_size, const u8 *cmd, size_t cmd_size);
static Result WriteI2cRegister(I2cSessionImpl &session, const u8 address, const u8 value);
/* Splash Screen/Display utilities. */
static void InitializeDisplay();
static void ShowDisplay(size_t x, size_t y, size_t width, size_t height, const u32 *img);
static void FinalizeDisplay();
/* Battery Display utilities. */
static void ShowLowBatteryIcon();
static void StartShowChargingIcon(size_t battery_percentage, bool wait);
static void EndShowChargingIcon();
/* Calibration utilities. */
static u16 GetCrc16(const void *data, size_t size);
static u32 GetBatteryVersion();
static u32 GetBatteryVendor();
/* Wake pin utiliies. */
static void SetWakeEventLevel(u32 index, u32 level);
static void SetWakeEventEnabled(u32 index, bool enabled);
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};