baytrail: add initial support

The initial Bay Trail code is intended to support
the mobile and desktop version of Bay Trail. This support
can train memory and execute through ramstage. However,
the resource allocation is not curently handled correctly.
The MRC cache parameters are successfully saved and reused
after the initial cold boot.

TEST=Built and booted on a reference board through ramstage.

Change-Id: I238ede326802aad272c6cca39d7ad4f161d813f5
Signed-off-by: Aaron Durbin <>
Reviewed-by: Duncan Laurie <>
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <>
42 files changed