Atmosphere/stratosphere/boot/source/boot_pcv.cpp

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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/>.
*/
#include <switch.h>
#include <stratosphere.hpp>
#include "i2c/i2c_types.hpp"
#include "i2c/driver/impl/i2c_pcv.hpp"
#include "i2c/driver/impl/i2c_registers.hpp"
using namespace sts::i2c::driver::impl;
namespace sts::pcv {
void Initialize() {
/* Don't do anything. */
}
void Finalize() {
/* Don't do anything. */
}
Result SetClockRate(PcvModule module, u32 hz) {
/* Get clock/reset registers. */
ClkRstRegisters regs;
regs.SetBus(ConvertFromPcvModule(module));
/* Set clock enabled/source. */
reg::SetBits(regs.clk_en_reg, regs.mask);
reg::ReadWrite(regs.clk_src_reg, 0x4, 0xFF);
svcSleepThread(1000ul);
reg::ReadWrite(regs.clk_src_reg, 0, 0xE0000000);
svcSleepThread(2000ul);
return ResultSuccess();
}
Result SetClockEnabled(PcvModule module, bool enabled) {
return ResultSuccess();
}
Result SetVoltageEnabled(u32 domain, bool enabled) {
return ResultSuccess();
}
Result SetVoltageValue(u32 domain, u32 voltage) {
return ResultSuccess();
}
Result SetReset(PcvModule module, bool reset) {
/* Get clock/reset registers. */
ClkRstRegisters regs;
regs.SetBus(ConvertFromPcvModule(module));
/* Set/clear reset. */
if (reset) {
reg::SetBits(regs.rst_reg, regs.mask);
} else {
reg::ClearBits(regs.rst_reg, regs.mask);
}
return ResultSuccess();
}
}