SamsungSerial » History » Revision 5

Revision 4 (Denis 'GNUtoo' Carikli, 08/14/2011 01:13 PM) → Revision 5/33 (Denis 'GNUtoo' Carikli, 08/14/2011 01:14 PM)

== Introduction == 
 This page contains information on how to work on a bootloader replacement. 

 == Informations == 
  * The [;a=summary official u-boot source code] already has support for the S5PC110 SOC(system on a chip) that the Nexus S uses 
  * The S5PC110 has a bootrom 
  * The Nexus S has an usb port with an FSA9480 behind it 

 == TODO == 
  * Look if Heimdall can talk to the bootrom 
  * Serial console: 
   * Use the correct resistors enabling the serial console on the FSA9480 
   * Mesure the voltage of the Nexus S serial port 
   * Make a level shifter to shift the serial port levels  
   * Cross compile microcom or picocom  
   * get a serial console 
  * Find the JTAG