mb/google/volteer/var/elemi: enable Genesys Logic GL9763E
Enable Genesys GL9763E as PCI-to-eMMC bridge.
BUG=b:171467336
BRANCH=volteer
TEST=emerge-volteer coreboot
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Change-Id: I858c12151df5b6fc19132869317edfa1b090335d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47040
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/volteer/variants/elemi/overridetree.cb b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
index 4afc795..d4c40f9 100644
--- a/src/mainboard/google/volteer/variants/elemi/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
@@ -6,6 +6,13 @@
register "IomTypeCPortPadCfg[0]" = "0x090E000A"
register "IomTypeCPortPadCfg[1]" = "0x090E000D"
+ # Enable EMMC PCIE 5 using clk 5
+ register "PcieRpEnable[4]" = "1"
+ register "PcieRpLtrEnable[4]" = "1"
+ register "PcieRpHotPlug[4]" = "1"
+ register "PcieClkSrcUsage[5]" = "4"
+ register "PcieClkSrcClkReq[5]" = "5"
+
#+-------------------+---------------------------+
#| Field | Value |
#+-------------------+---------------------------+
@@ -184,6 +191,7 @@
device generic 0 on end
end
end
+ device ref pcie_rp5 on end
device ref pmc hidden
# The pmc_mux chip driver is a placeholder for the
# PMC.MUX device in the ACPI hierarchy.