SamsungSerial » History » Version 6
Denis 'GNUtoo' Carikli, 08/14/2011 01:15 PM
| 1 | 1 | Denis 'GNUtoo' Carikli | == Introduction == |
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| 2 | This page contains information on how to work on a bootloader replacement. |
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| 3 | 2 | Denis 'GNUtoo' Carikli | |
| 4 | == Informations == |
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| 5 | 3 | Denis 'GNUtoo' Carikli | * The [http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=summary official u-boot source code] already has support for the S5PC110 SOC(system on a chip) that the Nexus S uses |
| 6 | * The S5PC110 has a bootrom |
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| 7 | 4 | Denis 'GNUtoo' Carikli | * The Nexus S has an usb port with an FSA9480 behind it |
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| 10 | == TODO == |
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| 11 | 6 | Denis 'GNUtoo' Carikli | * Look if [http://www.glassechidna.com.au/products/heimdall/ Heimdall] can talk to the bootrom |
| 12 | 4 | Denis 'GNUtoo' Carikli | * Serial console: |
| 13 | * Use the correct resistors enabling the serial console on the FSA9480 |
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| 14 | * Mesure the voltage of the Nexus S serial port |
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| 15 | * Make a level shifter to shift the serial port levels |
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| 16 | * Cross compile microcom or picocom |
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| 17 | * get a serial console |
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| 18 | 5 | Denis 'GNUtoo' Carikli | * Find the JTAG |