Patrick Georgi submitted this change.
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>
---
M src/mainboard/asrock/h110m/devicetree.cb
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/mainboard/asrock/h110m/devicetree.cb b/src/mainboard/asrock/h110m/devicetree.cb
index fa94dd9..d42d91e 100644
--- a/src/mainboard/asrock/h110m/devicetree.cb
+++ b/src/mainboard/asrock/h110m/devicetree.cb
@@ -180,6 +180,11 @@
# 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 @@
[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" = "{ \
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