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Dobrica Pavlinušić's random unstructured stuff
Galaxy Nexus i9250

Schematics and service manual for i9250: Samsung_i9250_schem_sm.rar

127|root@maguro:/ # cat /proc/cpuinfo                                          
Processor       : ARMv7 Processor rev 10 (v7l)
processor       : 0
BogoMIPS        : 1194.24

processor       : 1
BogoMIPS        : 1194.24

Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x2
CPU part        : 0xc09
CPU revision    : 10

Hardware        : Tuna
Revision        : 0009
Serial          : 014994b30201c013


GSM modem over serial port

HID keyboard

Unlegacy Android

ASOP for OMAP4 devices:






dpavlin@klin:/virtual/android/galaxy-nexus$ git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8/

dpavlin@klin:/virtual/android/galaxy-nexus/omap$ git checkout -b asop-7.1 unlegacy/aosp-7.1

dpavlin@klin:/virtual/android/galaxy-nexus/omap$ make tuna_defconfig ARCH=arm

dpavlin@klin:/virtual/android/galaxy-nexus/omap$ cp include/linux/compiler-gcc4.h include/linux/compiler-gcc5.h

dpavlin@klin:/virtual/android/galaxy-nexus/omap$ make -j9 ARCH=arm CROSS_COMPILE=arm-none-eabi-


Somewhat interesting things that I can take a look at some time in the future:




Device Codename Resistor (R3) Connected VCC
Google Galaxy Nexus (GSM) samsung-maguro 619K ohm No
Samsung Galaxy Mini 2 samsung-s6500d 530K ohm No
Samsung Galaxy S4 Mini LTE samsung-i9195 619K ohm No
Samsung Galaxy S5 samsung-klte 619K ohm No

It seems that other suggestion is 150k from https://redmine.replicant.us/projects/replicant/wiki/SamsungSerial - I will have to test which value works

UART modes

Resistance Jig Boot
150k Inactive Inactive
523k Active Inactive
619k Active Active


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