[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer/var/elemi: enable Genesys Logic GL9763E

[Chen Wisley (Code Review)]

Chen Wisley has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/47040 )

Change subject: mb/google/volteer/var/elemi: enable Genesys Logic GL9763E
......................................................................

mb/google/volteer/var/elemi: enable Genesys Logic GL9763E

Enable Genesys GL9763E as pci to emmc bridge.

BUG=b:171467336
TEST=emerge-volteer coreboot

Signed-off-by: Wisley Chen 
Change-Id: I858c12151df5b6fc19132869317edfa1b090335d
---
M src/mainboard/google/volteer/Kconfig.name
M src/mainboard/google/volteer/variants/elemi/overridetree.cb
2 files changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/40/47040/1

diff --git a/src/mainboard/google/volteer/Kconfig.name b/src/mainboard/google/volteer/Kconfig.name
index 908c55b..851f563 100644
--- a/src/mainboard/google/volteer/Kconfig.name
+++ b/src/mainboard/google/volteer/Kconfig.name
@@ -73,3 +73,4 @@
    select BOARD_GOOGLE_BASEBOARD_VOLTEER
    select SOC_INTEL_CSE_LITE_SKU
    select USE_CAR_NEM_ENHANCED_V2
+	select DRIVERS_GENESYSLOGIC_GL9763E
diff --git a/src/mainboard/google/volteer/variants/elemi/overridetree.cb b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
index 2139ad7..5f3bf86 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]" = "4"
+
    #+-------------------+---------------------------+
    #| Field             |  Value                    |
    #+-------------------+---------------------------+
@@ -109,6 +116,7 @@
    			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.