The dunit on baytrail is the dram unit. Provide a means
to access the configuration registers there using the
proper IOSF mechanisms.
BUG=chrome-os-partner:22875
BRANCH=none
TEST=Built and booted. Able to read dram registers.
Change-Id: I4d5c019720a7883fe93f3e1860bcd57ce2ea6542
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170490
Reviewed-on: http://review.coreboot.org/4853
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Prior to this commit the coreboot resource allocator
was not using proper addresses. That's not surprising there
wasn't any code to initialize the resources properly. This
commit initializes the memory map accoring to the BUNIT
registers.
BUG=chrome-os-partner:22860
BUG=chrome-os-partner:22862
BRANCH=None
TEST=Built and booted. Noted output for resource assignments
is sane.
Change-Id: Ice8d067d8b993736de5c5b273a0f642fa034a024
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170429
Reviewed-on: http://review.coreboot.org/4852
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The coreboot device modeling for pci devices wants
a pci_operations structure for all devices. This structure
just sets the subsystem vendor and device id. Add a common
one that all the other pci drivers can use for Bay Trail.
BUG=chrome-os-partner:22860
BRANCH=None
TEST=Built and booted while utilizing this new structure.
Change-Id: I39949cbdb83b3acb93fe4034eb4278d45369e321
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170428
Reviewed-on: http://review.coreboot.org/4851
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The graphics device needs to have its resource contraints
initialized before running the reference code. Right now just
use a 256MiB aperture, 32MiB of stolen memory data, and 2MiB
GTT memory.
BUG=chrome-os-partner:22869
BRANCH=None
TEST=Built and booted. Noted amount of stolen memory matches
configuration as well as BAR size within the graphics
device.
Change-Id: I328bf858f288363187cf705d6340947393b5ff10
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170427
Reviewed-on: http://review.coreboot.org/4850
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Take advantage of the cache early in bootblock. The
intent is to speed up cbfs walking when trying to locate
romstage.
BUG=chrome-os-partner:22857
BRANCH=None
TEST=Built and booted.
Change-Id: If03210103c9782390230915db3b4a9759d172dce
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170426
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/4849
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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.
BUG=chrome-os-partner:22292
BRANCH=None
TEST=Built and booted on a reference board through ramstage.
Change-Id: I238ede326802aad272c6cca39d7ad4f161d813f5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/168387
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/4847
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Aaron Durbin