mb/google/{poppy,soraka}: Enable LTR for Root port
Enable LTR for Root port 0, where wifi card is connected.
BUG=b:65570878
TEST=After enbaling LTR on port 0 on the MB devicetree, No errors reported
by AER driver for root port 0.
Change-Id: I222a87fe2094c8424760ccf578e32b9ac042f014
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/21548
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 0bd2efc..61b16e6 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -153,7 +153,9 @@
# RP 1 uses SRCCLKREQ1#
register "PcieRpClkReqNumber[0]" = "1"
# RP 1, Enable Advanced Error Reporting
- register PcieRpAdvancedErrorReporting[0] = "1"
+ register "PcieRpAdvancedErrorReporting[0]" = "1"
+ # RP 1, Enable Latency Tolerance Reporting Mechanism
+ register "PcieRpLtrEnable[0]" = "1"
register "usb2_ports[0]" = "USB2_PORT_LONG(OC0)" # Type-C Port 1
register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port