mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2025-10-31 03:05:48 +01:00
57 lines
2.0 KiB
C++
57 lines
2.0 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_check_clock.hpp"
|
|
#include "boot_power_utils.hpp"
|
|
|
|
namespace ams::boot {
|
|
|
|
namespace {
|
|
|
|
/* Convenience definitions. */
|
|
constexpr u32 ExpectedPlluDivP = (1 << 16);
|
|
constexpr u32 ExpectedPlluDivN = (25 << 8);
|
|
constexpr u32 ExpectedPlluDivM = (2 << 0);
|
|
constexpr u32 ExpectedPlluVal = (ExpectedPlluDivP | ExpectedPlluDivN | ExpectedPlluDivM);
|
|
constexpr u32 ExpectedPlluMask = 0x1FFFFF;
|
|
|
|
constexpr u32 ExpectedUtmipDivN = (25 << 16);
|
|
constexpr u32 ExpectedUtmipDivM = (1 << 8);
|
|
constexpr u32 ExpectedUtmipVal = (ExpectedUtmipDivN | ExpectedUtmipDivM);
|
|
constexpr u32 ExpectedUtmipMask = 0xFFFF00;
|
|
|
|
/* Helpers. */
|
|
bool IsUsbClockValid() {
|
|
uintptr_t car_regs = dd::QueryIoMapping(0x60006000ul, os::MemoryPageSize);
|
|
AMS_ASSERT(car_regs != 0);
|
|
|
|
const u32 pllu = reg::Read(car_regs + 0xC0);
|
|
const u32 utmip = reg::Read(car_regs + 0x480);
|
|
return ((pllu & ExpectedPlluMask) == ExpectedPlluVal) && ((utmip & ExpectedUtmipMask) == ExpectedUtmipVal);
|
|
}
|
|
|
|
}
|
|
|
|
void CheckClock() {
|
|
if (!IsUsbClockValid()) {
|
|
/* Sleep for 1s, then reboot. */
|
|
os::SleepThread(TimeSpan::FromSeconds(1));
|
|
RebootSystem();
|
|
}
|
|
}
|
|
|
|
}
|