HelenOS on Neo FreeRunner

Information pertaining to porting HelenOS to Neo FreeRunner smartphone (alias GTA02) which was developed by the ​Openmoko project.

Status

Fully operational in development version. No support in a stable release (as of 0.4.2).

Resources

External resources:

• ​Openmoko Wiki
• ​Openmoko Git source code repos (U-Boot, Qi, etc.)
• ​Neo FreeRunner Hardware
• ​Samsung S3C2442B Processor Datasheet
• ​Samsung S3C2440A Processor user manual Very similar to the S3C2442B
• ​FreeRunner memory map
• ​Smedia Glamo 3362 (Video chip and microSD reader)

Internal resources:

• U-Boot Bootloader
• Programming Neo FreeRunner LEDs
• Video (Glamo)

Memory system

• The memory system is configured to little endian mode

S3C2442B Processor

• The core is an ARM920T (ARMv4T architecture)