hocclk: erista finally gets some love

bugfixes and live CPU uv fixed (for erista at least)
This commit is contained in:
souldbminersmwc
2026-05-19 17:04:14 -04:00
parent 16ea883fa8
commit f49e1a80a0
11 changed files with 388 additions and 30 deletions

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@@ -48,6 +48,7 @@
#include "../tsensor/aotag.hpp"
#include "../hos/integrations.hpp"
#include "../file/file_utils.hpp"
#include "../hos/rgltr.h"
namespace board {
u64 clkVirtAddr, dsiVirtAddr, apbVirtAddr, fuseVirtAddr;
@@ -137,6 +138,9 @@ namespace board {
rc = pmdmntInitialize();
ASSERT_RESULT_OK(rc, "pmdmntInitialize");
rc = rgltrInitialize();
ASSERT_RESULT_OK(rc, "rgltrInitialize");
rc = QueryMemoryMapping(&clkVirtAddr, 0x60006000, 0x1000);
ASSERT_RESULT_OK(rc, "QueryMemoryMapping (clk)");
@@ -201,7 +205,7 @@ namespace board {
apmExtExit();
psmExit();
rgltrExit();
if (HOSSVC_HAS_TC) {
tcExit();
}

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@@ -41,6 +41,7 @@
#include "../soc/pllmb.hpp"
#include "../file/config.hpp"
#include "../soc/gm20b.hpp"
#include "../file/config.hpp"
namespace board {
#define MIDDLE_FREQ_TABLE_START_POINT 1228800000
static u32 currentInjectedHz = 0;
@@ -75,6 +76,14 @@ namespace board {
ASSERT_RESULT_OK(pcvSetClockRate(moduleID, hz), "pcvSetClockRate");
}
void HandleCpuUv()
{
if (board::GetSocType() == HocClkSocType_Erista)
board::SetDfllTunings(config::GetConfigValue(KipConfigValue_eristaCpuUV), 0, 1581000000); // Erista tbreak is always 1581MHz
else
board::SetDfllTunings(config::GetConfigValue(KipConfigValue_marikoCpuUVLow), config::GetConfigValue(KipConfigValue_marikoCpuUVHigh), board::CalculateTbreak(config::GetConfigValue(KipConfigValue_tableConf)));
}
void SetHz(HocClkModule module, u32 hz) {
Result rc = 0;
bool usesGovenor = module > HocClkModule_MEM;
@@ -116,7 +125,9 @@ namespace board {
PcvSetHz(GetPcvModule(module), pcvHz);
}
}
if(config::GetConfigValue(HocClkConfigValue_LiveCpuUv) && module == HocClkModule_CPU) {
HandleCpuUv();
}
if (useGm20b) {
gm20b::setClock(hz / 1000);
currentInjectedHz = hz;

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@@ -28,6 +28,7 @@
#include "board_volt.hpp"
#include "../file/file_utils.hpp"
#include "../i2c/i2cDrv.h"
#include "../hos/rgltr.h"
namespace board {
GpuVoltData voltData = {};
@@ -134,19 +135,16 @@ namespace board {
return;
}
} else {
if (GetHz(HocClkModule_CPU) < tbreakPoint || (!levelLow)) { // account for tbreak
*tune0_ptr = cachedTune.tune0Low; // I think each erista has a different tune0/tune1?
*tune1_ptr = cachedTune.tune1Low;
return;
} else {
if (levelLow) {
*tune0_ptr = eristaCpuUvTable[levelLow-1].tune0;
*tune1_ptr = eristaCpuUvTable[levelLow-1].tune1;
} else {
*tune0_ptr = 0x0;
*tune1_ptr = 0x0;
}
}
// if (GetHz(HocClkModule_CPU) < tbreakPoint || (!levelLow)) { // account for tbreak
// *tune0_ptr = cachedTune.tune0Low; // I think each erista has a different tune0/tune1?
// *tune1_ptr = cachedTune.tune1Low;
// return;
// } else {
// if (levelLow) {
*tune0_ptr = eristaCpuUvTable[levelLow-1].tune0;
*tune1_ptr = eristaCpuUvTable[levelLow-1].tune1;
// } else {
// }
}
}
@@ -213,10 +211,13 @@ namespace board {
PcvPowerDomainId_Max77812_Dram = 0x3A000005, // vddq
} PowerDomainId;
*/
/*
Note: I think Nintendo's I2C driver (or my driver, but it looks correct to me)
*/
u32 GetVoltage(HocClkVoltage voltage) {
u32 out = 0;
BatteryChargeInfo info;
RgltrSession s;
switch (voltage) {
case HocClkVoltage_SOC:
out = I2c_BuckConverter_GetUvOut(&I2c_SOC);
@@ -228,14 +229,18 @@ namespace board {
if(GetSocType() == HocClkSocType_Mariko) {
out = I2c_BuckConverter_GetUvOut(&I2c_Mariko_CPU);
} else {
out = I2c_BuckConverter_GetUvOut(&I2c_Erista_CPU);
rgltrOpenSession(&s, PcvPowerDomainId_Max77621_Cpu);
rgltrGetVoltage(&s, &out);
rgltrCloseSession(&s);
}
break;
case HocClkVoltage_GPU:
if(GetSocType() == HocClkSocType_Mariko) {
out = I2c_BuckConverter_GetUvOut(&I2c_Mariko_GPU);
} else {
out = I2c_BuckConverter_GetUvOut(&I2c_Erista_GPU);
rgltrOpenSession(&s, PcvPowerDomainId_Max77621_Gpu);
rgltrGetVoltage(&s, &out);
rgltrCloseSession(&s);
}
break;
case HocClkVoltage_EMCVDDQ:
@@ -453,5 +458,4 @@ namespace board {
return baseVolt;
}
}

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@@ -0,0 +1,38 @@
/*
* Copyright (c) ppkantorski (bord2death)
*
* 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/>.
*
*/
#pragma once
#include <switch.h>
#include "pcv_types.h"
typedef struct {
Service s;
} RgltrSession;
Result rgltrInitialize(void);
void rgltrExit(void);
Service* rgltrGetServiceSession(void);
Result rgltrOpenSession(RgltrSession* session_out, PowerDomainId module_id);
void rgltrCloseSession(RgltrSession* session);
Result rgltrGetVoltage(RgltrSession* session, u32 *out_volt);
Result rgltrGetPowerModuleNumLimit(u32 *out);
Result rgltrGetVoltageEnabled(RgltrSession* session, u32 *out);
Result rgltrRequestVoltage(RgltrSession* session, u32 microvolt);
Result rgltrCancelVoltageRequest(RgltrSession* session);

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@@ -0,0 +1,66 @@
/*
* Copyright (c) ppkantorski (bord2death)
*
* 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 "rgltr.h"
#include "rgltr_services.h" // for extern Service g_rgltrSrv, etc.
// Global service handle
Service g_rgltrSrv;
Result rgltrInitialize(void) {
if (hosversionBefore(8, 0, 0)) {
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
}
return smGetService(&g_rgltrSrv, "rgltr");
}
void rgltrExit(void) {
serviceClose(&g_rgltrSrv);
}
Result rgltrOpenSession(RgltrSession* session_out, PowerDomainId module_id) {
const u32 in = (u32)module_id;
return serviceDispatchIn(
&g_rgltrSrv,
0,
in,
.out_num_objects = 1,
.out_objects = &session_out->s
);
}
Result rgltrGetVoltage(RgltrSession* session, u32* out_volt) {
u32 temp = 0;
Result rc = serviceDispatchOut(&session->s, 4, temp);
if (R_SUCCEEDED(rc)) {
*out_volt = temp;
}
return rc;
}
Result rgltrRequestVoltage(RgltrSession* session, u32 microvolt) {
return serviceDispatchIn(&session->s, 5, microvolt);
}
Result rgltrCancelVoltageRequest(RgltrSession* session) {
return serviceDispatch(&session->s, 6);
}
void rgltrCloseSession(RgltrSession* session) {
serviceClose(&session->s);
}

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@@ -0,0 +1,32 @@
/*
* Copyright (c) ppkantorski (bord2death)
*
* 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/>.
*
*/
#pragma once
#include <switch.h> // for Service, Result, hosversionBefore(), smGetService(), serviceClose(), etc.
#include "rgltr.h" // for RgltrSession, PowerDomainId, etc.
extern Service g_rgltrSrv;
Result rgltrInitialize(void);
void rgltrExit(void);
Result rgltrOpenSession(RgltrSession* session_out, PowerDomainId module_id);
Result rgltrGetVoltage(RgltrSession* session, u32* out_volt);
void rgltrCloseSession(RgltrSession* session);

View File

@@ -299,13 +299,6 @@ namespace clockManager {
}
}
void HandleCpuUv()
{
if (board::GetSocType() == HocClkSocType_Erista)
board::SetDfllTunings(config::GetConfigValue(KipConfigValue_eristaCpuUV), 0, 1581000000); // Erista tbreak is always 1581MHz
else
board::SetDfllTunings(config::GetConfigValue(KipConfigValue_marikoCpuUVLow), config::GetConfigValue(KipConfigValue_marikoCpuUVHigh), board::CalculateTbreak(config::GetConfigValue(KipConfigValue_tableConf)));
}
void DVFSReset()
{
@@ -452,10 +445,6 @@ namespace clockManager {
gContext.stable.freqs[module] = nearestHz;
}
if (module == HocClkModule_CPU && config::GetConfigValue(HocClkConfigValue_LiveCpuUv)) {
HandleCpuUv();
}
if (module == HocClkModule_MEM && board::GetSocType() == HocClkSocType_Mariko && targetHz < oldHz && config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
ApplyGpuDvfs(targetHz);
}

214
dist/README.md vendored Normal file
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@@ -0,0 +1,214 @@
<div align="center">
<img src="assets/logo.png" alt="logo" width="768"/>
---
![License: GPL-2.0](https://img.shields.io/badge/GPL--2.0-red?style=for-the-badge)
![Nintendo Switch](https://img.shields.io/badge/Nintendo_Switch-E60012?style=for-the-badge\&logo=nintendo-switch\&logoColor=white)
[![Discord](https://img.shields.io/badge/Discord-5865F2?style=for-the-badge\&logo=discord\&logoColor=white)](https://dsc.gg/horizonoc)
![VSCode](https://img.shields.io/badge/VSCode-0078D4?style=for-the-badge\&logo=visual%20studio%20code\&logoColor=white)
![Made with Notepad++](assets/np++.png?raw=true)
![C++](https://img.shields.io/badge/C%2B%2B-00599C?style=for-the-badge\&logo=c%2B%2B\&logoColor=white)
![Downloads](https://img.shields.io/github/downloads/Horizon-OC/Horizon-OC/total.svg?style=for-the-badge)
---
</div>
## ⚠️ Disclaimer
> **THIS TOOL CAN BE DANGEROUS IF MISUSED. PROCEED WITH CAUTION.**
> Due to the design of Horizon OS, **overclocking RAM can cause NAND OR SD CORRUPTION.**
> Ensure you have a **full NAND, PROINFO, EMUMMC and SD backup** before proceeding.
---
## About
**Horizon OC** is an open-source overclocking tool for Nintendo Switch consoles running **Atmosphere custom firmware**.
It enables advanced CPU, GPU, and RAM tuning with user-friendly configuration tools.
---
## Default clocks
* **CPU:** Up to 1963MHz (Mariko) / 1785MHz (Erista)
* **GPU:** Up to 1075MHz (Mariko) / 921MHz (Erista)
* **RAM:** Up to 1866/2133MHz (Mariko) / 1600MHz (Erista)
* Over/undervolting support
* Built-in configurator
* Compatible with most homebrew
> It is recommended to read the [guide](https://rentry.co/howtoget60fps) before proceeding, as this can help you get a *significant* performance boost over the default settings, often times with less power draw and heat output
---
## Installation
1. Ensure you have the latest versions of
* [Atmosphere](https://github.com/Atmosphere-NX/Atmosphere)
* [Ultrahand Overlay](https://github.com/ppkantorski/Ultrahand-Overlay)
2. Download and extract the **Horizon OC Package** to the root of your SD card.
3. If using **Hekate**, edit `hekate_ipl.ini` to include:
```
kip1=atmosphere/kips/hoc.kip
```
*(No changes needed if using fusee.)*
---
## Configuration
1. Open the Horizon OC Overlay
2. Open the settings menu
3. Adjust your overclocking settings as desired. A helpful guide can be found [here.](https://rentry.co/mariko#oc-settings-for-horizon-oc)
4. Click **Save KIP Settings** to apply your configuration.
---
## Building from Source
Refer to COMPILATION.md
---
## Clock table
### MEM clocks (mhz)
* 3200 → max on mariko, JEDEC.
* 3166
* 3133
* 3100
* 3066
* 3033
* 3000
* 2966
* 2933 → JEDEC.
* 2900
* 2866
* 2833
* 2800
* 2766
* 2733
* 2700
* 2666 → JEDEC.
* 2633
* 2600
* 2566
* 2533
* 2500
* 2466
* 2433
* 2400 → max on erista, JEDEC.
* 2366
* 2333
* 2300
* 2266
* 2233
* 2200
* 2166
* 2133 → Mariko JEDEC standard max (4266 Modules)
* 2100
* 2066
* 2033
* 2000
* 1996 → JEDEC standard
* 1966
* 1933
* 1900
* 1866 → Mariko JEDEC standard max (3733 Modules)
* 1833
* 1800
* 1766
* 1733
* 1700
* 1666
* 1633
* 1600 → official docked, boost mode, Erista JEDEC standard max (3200 Modules), JEDEC.
* 1331 → official handheld, JEDEC.
* 1065
* 800
* 665
### CPU clocks (mhz)
* 2703 → mariko absolute max, dangerous
* 2601 → unsafe
* 2499
* 2397 → mariko safe max with UV (low speedo)
* 2295
* 2193
* 2091
* 1963 → mariko no UV max clock
* 1887
* 1785 → erista no UV max clock, boost mode
* 1683
* 1581
* 1428
* 1326
* 1224 → sdev oc
* 1122
* 1020 → official docked & handheld
* 918
* 816
* 714
* 612 → sleep mode
### GPU clocks (mhz)
* 1536 → absolute max clock on mariko. very dangerous
* 1459
* 1382
* 1305
* 1267 → NVIDIA T214(mariko) rating
* 1228 → mariko High UV safe clock
* 1152 → mariko hiOpt-15mV max clock
* 1075 → mariko hiOpt max clock. absolute max clock on erista. very dangerous
* 998 → NVIDIA T210 (erista) rating
* 960 (erista only) → erista high uv/hiOpt-15mV safe max clock
* 921 → erista no UV max clock
* 844
* 768 → official docked
* 691
* 614
* 537
* 460 → max handheld
* 384 → official handheld
* 307 → official handheld
* 230
* 153
* 76 → boost mode
**Notes:**
1. On Erista, CPU in handheld is capped to 1581MHz
2. GPU overclock is capped at 460MHz on erista in handheld
3. On Mariko, cap with hiOpt is 614MHz, with hiOpt-15mV it is 691MHz and with High UV it's 768MHz
4. Clocks higher than 768MHz on erista need the official charger is plugged in.
---
## Credits
* **Lightos's Cat** - Cat
* **Souldbminer** - hoc-clk and loader development
* **Lightos** - Loader patches development, hoc-clk development, guides
* **TDRR** - HOC Logo Design
* **tetetete-ctrl** - Website design
* **SciresM** - Atmosphere CFW
* **CTCaer** - L4T, Hekate, proper RAM timings
* **KazushiMe** - Switch OC Suite
* **Hanai3bi (Meha)** - Switch OC Suite, EOS, sys-clk-eos
* **NaGaa95** - L4T-OC kernel, Status Monitor fork
* **B3711 (halop)** - EOS, contributions
* **sys-clk team (m4xw, p-sam, natinusala)** - sys-clk
* **Dominatorul** - Soctherm driver, guides, general help
* **ppkantorski** - Ultrahand sys-clk & Status Monitor fork
* **MasaGratoR and ZachyCatGames** - General help
* **MasaGratoR** - Status Monitor & Display Refresh Rate driver
* **Dominatorul, Samybigio, Arcdelta, Miki, Happy, Winnerboi77, Blaise, Alvise, agjeococh, frost, letum00, and Xenshen** - Testing
* **Samybigio2011, Miki** - Italian translations
* **angelblaster** - Korean translations
* **q1332348216-glitch** - Chinese translations
* **Nvidia** - [Tegra X1 Technical Reference Manual](https://developer.nvidia.com/embedded/dlc/tegra-x1-technical-reference-manual), soctherm driver, L4T

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