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Samsung Galaxy S9 (samsung-starqltechn): Difference between revisions

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Is performed with kexec-similar stuff for now. See [[Bootloaders_porting_using_linux|guide for that method]]. Remember, you should have a cable from in `UART USB-debug cable schematic` section of  [[Samsung_Galaxy_A5_2017_(samsung-a5y17lte)#Notes]], and 1.8V compatible uart adapter
Is performed with kexec-similar stuff for now. See [[Bootloaders_porting_using_linux|guide for that method]]. Remember, you should have a cable from in `UART USB-debug cable schematic` section of  [[Samsung_Galaxy_A5_2017_(samsung-a5y17lte)#Notes]], and 1.8V compatible uart adapter
{{todo|provide prebuilt twrp image to boot kernel, and instruction how to use that.}}


* Download [https://drive.google.com/file/d/12ASMGNTxYhrto92XprXBdbx83wJW0bsX/view?usp=sharing prebuilt twrp image, with kexec and manual muic switching support]
* Boot into twrp  
* Boot into twrp  
* Connect uart-usb cable
* Switch muic uart on usb, and run u-boot.
* Switch muic uart on usb, and run u-boot.
** {{todo|details}}
** go to Advanced -> Terminal
* Load u-boot payload via kermit {{todo|provide kermit version with 921600 baud support for faster loading}}
** run <code>/exec.sh</code> command. It will switch uart on usb, load u-boot(it's included in twrp image) in RAM, and run it.
* run <code>bootm <loaded image addess></code> command
** You are in u-boot console now ;)
* Load u-boot payload via kermit (you may use [https://drive.google.com/file/d/1SHF7rjik8mxymyCXSYhZjzV4wIv12cqf/view?usp=sharing my high speed version for linux] at 921600bps)
** in u-boot prompt run <code>loadb 0x90000000</code>
* in u-boot prompt run <code>bootm 0x90000000</code> command


== See also ==
== See also ==

Revision as of 20:50, 6 December 2021

Samsung Galaxy S9 (SM-G9600/
DS)
Manufacturer Samsung
Name Galaxy S9 (SM-G9600/
DS)
Codename samsung-starqltechn
Released 2018
Hardware
Chipset Qualcomm SDM845 Snapdragon 845
CPU Octa-core (4x 2.8 GHz Kryo 385 Gold & 4x 1.7 GHz Kryo 385 Silver)
GPU Adreno 630
Display 5.8 inch 18.5:9, 2960 x 1440 pixel 568 PPI, capacitive touchscreen, 10 multi-touch points, Super AMOLED, Corning Gorilla Glass 5, glossy: yes
Storage 64 GB
Memory 4 GB
Architecture aarch64
Software
Original software Android 8 - 10
postmarketOS
Category testing
Pre-built images no
Mainline no
Features
Flashing
Broken
USB Networking
Works
Internal storage
No data
SD card
No data
Battery
No data
Screen
Broken
Touchscreen
No data
Multimedia
3D Acceleration
No data
Audio
No data
Camera
No data
Camera Flash
No data
Connectivity
WiFi
Broken
Bluetooth
No data
GPS
No data
NFC
No data
Modem
Calls
No data
SMS
No data
Mobile data
No data
Miscellaneous
FDE
No data
USB OTG
No data
HDMI/DP
No data
Sensors
Accelerometer
No data
Magnetometer
No data
Ambient Light
No data
Proximity
No data
Hall Effect
No data
Haptics
No data
Barometer
No data


Contributors

  • dsankouski

Maintainer(s)

Users owning this device


How to enter flash mode

Installation

Notes

Uart

`/dev/ttyHS8` can be exposed on USB D+D- lines. It's configured in data mover mode by downstream kernel.

Mainline

Building