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Horizon-OC/Source/hoc-clk/sysmodule/src/board/board_fuse.cpp
souldbminersmwc 45332444ec wip erista dvfs
2026-05-26 19:44:46 -04:00

66 lines
2.3 KiB
C++

/*
* Copyright (c) Souldbminer, Lightos_ and Horizon OC Contributors
*
* 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 <fuse.h>
#include "board_fuse.hpp"
#include <cstring>
#include "board.hpp"
namespace board {
void SetGpuBracket(u16 speedo, u8 &gpuBracket) {
if(GetSocType() == HocClkSocType_Mariko) {
if (speedo <= 1624) {
gpuBracket = 0;
return;
}
if (speedo <= 1689) {
gpuBracket = 1;
return;
}
if (speedo <= 1753) {
gpuBracket = 2;
return;
}
/* >= 1754 */
gpuBracket = 3;
} else {
gpuBracket = speedo > 2050 ? 1 : 0;
}
}
void ReadFuses(FuseData &speedo, u64 fuseVa) {
constexpr u32 FuseOffset = 0x800;
u8 *fusePtr = reinterpret_cast<u8 *>(fuseVa) + FuseOffset;
speedo.cpuSpeedo = *reinterpret_cast<u16 *>(fusePtr + FUSE_CPU_SPEEDO_0_CALIB);
speedo.gpuSpeedo = *reinterpret_cast<u16 *>(fusePtr + FUSE_CPU_SPEEDO_2_CALIB);
speedo.socSpeedo = *reinterpret_cast<u16 *>(fusePtr + FUSE_SOC_SPEEDO_0_CALIB);
speedo.cpuIDDQ = *reinterpret_cast<u16 *>(fusePtr + FUSE_CPU_IDDQ_CALIB) * 4;
speedo.gpuIDDQ = *reinterpret_cast<u16 *>(fusePtr + FUSE_GPU_IDDQ_CALIB) * 5;
speedo.socIDDQ = *reinterpret_cast<u16 *>(fusePtr + FUSE_SOC_IDDQ_CALIB) * 4;
speedo.waferX = *reinterpret_cast<s16 *>(fusePtr + FUSE_OPT_X_COORDINATE);
speedo.waferY = *reinterpret_cast<s16 *>(fusePtr + FUSE_OPT_Y_COORDINATE);
speedo.waferX = (speedo.waferX & BIT(8)) ? (speedo.waferX - 512) : speedo.waferX;
}
}