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authorSimon Glass <sjg@chromium.org>2015-01-19 22:16:14 -0700
committerSimon Glass <sjg@chromium.org>2015-01-24 06:13:45 -0700
commit191c008a2155f99fc6476539878640b4032a457b (patch)
tree36823854ae5d3de1b03646f7d8230df51a62743e /include/malloc.h
parenta9aff2f46a7f7d29a662531dbc181773f16a606d (diff)
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x86: Implement a cache for Memory Reference Code parameters
The memory reference code takes a very long time to 'train' its SDRAM interface, around half a second. To avoid this delay on every boot we can store the parameters from the last training sessions to speed up the next. Add an implementation of this, storing the training data in CMOS RAM and SPI flash. Signed-off-by: Simon Glass <sjg@chromium.org>
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