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mediatek/mt8183: Add new option for eMCP DDR 

Devices using eMCP may run at a high DRAM frequency (e.g., 3600Mbs)
while those with discrete DRAM can only run at 3200Mbps. A new option
MT8183_DRAM_EMCP is added to Kconfig for a mainboard to select,
depending on whether it supports eMCP or not.

BUG=b:80501386
BRANCH=none
TEST=Boots correctly on Kukui

Change-Id: I9b73c8b512db5104896ea0d330d56e63eb50a44b
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34989
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
Huayang Duan 2019-08-19 16:22:48 +08:00 committed by Patrick Georgi
parent 9890bd98b0
commit 8e71ca00d4
1 changed files with 7 additions and 0 deletions
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7
src/soc/mediatek/mt8183/Kconfig
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@ -23,6 +23,13 @@ config DEBUG_DRAM
help
This option enables additional DRAM related debug messages.
config MT8183_DRAM_EMCP
bool
default n
help
The eMCP platform should select this option to run at different DRAM
frequencies.
config MEMORY_TEST
bool
default y