On May 25, 2010, at 10:38 AM, Richard A. Smith wrote:
On 05/24/2010 11:03 PM, Mitch Bradley wrote:
Another protocol idea is at
http://wiki.laptop.org/go/Talk:XO_1.75_HOST_to_EC_Protocol
The SPI interface on the CPU is shared with the SPI boot flash. So on
boot the CPU has to be master
On 05/24/2010 11:03 PM, Mitch Bradley wrote:
Another protocol idea is at
http://wiki.laptop.org/go/Talk:XO_1.75_HOST_to_EC_Protocol
The SPI interface on the CPU is shared with the SPI boot flash. So on
boot the CPU has to be master and then switch over to slave when the
boot it finished. To
In 1.75 we don't have an LPC bus so we need to create a method for host
and EC to communicate. They are connected via a SPI bus.Here's the
start of a write up for that interface and a comm protocol. Comments
and suggestions welcome.
http://wiki.laptop.org/go/XO_1.75_HOST_to_EC_Protocol