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mb/asrock/h110m: Explain why some SATA ports are empty 

Change-Id: Ib0a24fab22ee082367b82b3e8ee7383f1f02a4ad
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39119
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Maxim Polyakov 2020-02-23 10:51:00 +03:00 committed by Patrick Georgi
parent 7b98e3ebfc
commit f0303dbf91
1 changed files with 5 additions and 2 deletions
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7
src/mainboard/asrock/h110m/devicetree.cb
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@ -180,6 +180,11 @@ chip soc/intel/skylake
# SATA
register "EnableSata" = "1"
register "SataSalpSupport" = "1"
# SATA4 and SATA5 are located in the lower right corner of the board,
# but they are not populated. This is because the same PCB is used to
# make boards with better PCHs, which can have up to six SATA ports.
# However, the H110 PCH only has four SATA ports, which explains why
# two connectors are missing.
register "SataPortsEnable" = "{ \
[0] = 1, \
[1] = 1, \
@ -190,8 +195,6 @@ chip soc/intel/skylake
[6] = 0, \
[7] = 0, \
}"
# SATA4 and SATA5 are located in the lower right corner
# of the board, but there is no connector for this
# PCH UART, SPI, I2C
register "SerialIoDevMode" = "{ \