Attention is currently required from: Jason Glenesk, Martin Roth, Marshall Dawson, Felix Held.

Raul Rangel uploaded patch set #2 to this change.

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soc/amd/common/block/lpc: Add custom SPI DMA boot device

This is a copy of mmap_boot.c and mem_rdev_ro_ops. I split it up so it
was easier to review.

The next patches will add support for the SPI DMA controller. This will
provide a minor speed up vs using mmap reads. It will also provide the
facilities to perform asynchronous SPI loading.

BUG=b:179699789
TEST=Boot guybrush to OS

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Id26e2a69601d0f31e256d0010008904a447c8e21
---
M src/soc/amd/common/block/lpc/Kconfig
M src/soc/amd/common/block/lpc/Makefile.inc
A src/soc/amd/common/block/lpc/spi_dma.c
3 files changed, 78 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/54/55854/2

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