rush: support for DMA region

Hardware / Coreboot - Furquan Shaikh [google.com] - 25 March 2015 18:27 UTC

Currently rush needs a DMA region in order to communicate with USB devices. Therefore, add that region to the memory map.

BUG=chrome-os-partner:31293 BRANCH=None TEST=With the changes for adding non-cacheable memory range and adding DMA region, booting from USB reaches same point as MMC.

Change-Id: I82d97840fad8cc96bf958c6efa13d2fdc1233d79

1fb6c01 rush: support for DMA region
src/mainboard/google/rush/Kconfig | 8 ++++++++
src/mainboard/google/rush/mainboard.c | 21 +++++++++++++++++++++
2 files changed, 29 insertions(+)

Upstream: review.coreboot.org

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