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path: root/src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb
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Diffstat (limited to 'src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb')
-rw-r--r--src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb b/src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb
new file mode 100644
index 0000000000..c0c8d0360f
--- /dev/null
+++ b/src/mainboard/purism/librem_bdw/variants/librem15v2/overridetree.cb
@@ -0,0 +1,14 @@
+chip soc/intel/broadwell
+
+ # Port 0 is HDD
+ # Port 1 is M.2 NGFF
+ register "sata_port_map" = "0x3"
+
+ # Port tuning for link stability
+ register "sata_port0_gen3_dtle" = "7"
+ register "sata_port1_gen3_dtle" = "9"
+
+ device domain 0 on
+ device pci 1d.0 on end # USB2 EHCI
+ end
+end