XO1.5 Bringup

This page lists goals and plans for initial bringup of the XO1.5 board.

Goals

• Get the Embedded Controller working
• Basic power supply operation and sequencing
• Main CPU booting
• Memory controller working and memory stable (memtest86)
• OLPC display working
• Keyboard/mouse working
• USB working
• SD memory cards working
• Boots Linux kernel from SD card
• Rudimentary power management tests from OFW
• X?

Non-goals

• Camera input (driver won't be ready in time)
• Power management from Linux
• SDIO WLAN
• Audio

Personnel in Taiwan

• Wad, Richard, and Mitch from OLPC
• Gary, Bryan Ma from Quanta
• Harald and BIOS/memory controller expert from Via

Tools

• Cheetah SPI programmer qty 1 (Richard)
• Artec LPC dongle (FLASH + port 80) qty 3 (Mitch 1, Richard 2)
• Cleverscope qty 1 (Mitch)
• PROMjet SPI FLASH emulator qty 1 (Mitch)
• OLPC serial port dongles + cables qty 5 (Mitch 2, Richard 3)
• High speed oscilloscope for memory checkout - (Quanta)

Sequence

• Richard goes first, brings up EC and power rails with Gary & Bryan Ma.
• Wad, Mitch, and Via BIOS/memory engineer arrive shortly thereafter, bring up memory controller
• Harald arrives after OFW is working, brings up Linux
• Team members work in parallel on their respective areas of expertise, hopefully with several boards