[S] Change in coreboot[master]: mb/ocp/deltalake: Add EWL Hob processing for MRC error

[Johnny Lin (Code Review)]

Attention is currently required from: Jonathan Zhang, Christian Walter, Arthur Heymans, Tim Chu, Shelly Chang.

Hello Shelly Chang,

I'd like you to do a code review.
Please visit

https://review.coreboot.org/c/coreboot/+/69146

to review the following change.

Change subject: mb/ocp/deltalake: Add EWL Hob processing for MRC error
......................................................................

mb/ocp/deltalake: Add EWL Hob processing for MRC error

Override the weak function mainboard_ewl_check() and
select OCP_EWL. The Intel FSP needs to disble promote
MRC Warnings otherwise FSP won't return after MRC error.

Change-Id: I4419ef43815f8181af89c49514a69bdb29858c13
Signed-off-by: Shelly Chang 
Signed-off-by: Johnny Lin 
---
M src/mainboard/ocp/deltalake/Kconfig
M src/mainboard/ocp/deltalake/romstage.c
2 files changed, 22 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/46/69146/1

diff --git a/src/mainboard/ocp/deltalake/Kconfig b/src/mainboard/ocp/deltalake/Kconfig
index dbf4a2e..654a816 100644
--- a/src/mainboard/ocp/deltalake/Kconfig
+++ b/src/mainboard/ocp/deltalake/Kconfig
@@ -11,6 +11,7 @@
    select IPMI_KCS
    select IPMI_KCS_ROMSTAGE
    select OCP_DMI
+	select OCP_EWL
    select VPD
    select VPD_SMBIOS_VERSION
    select IPMI_OCP
diff --git a/src/mainboard/ocp/deltalake/romstage.c b/src/mainboard/ocp/deltalake/romstage.c
index 2efed1c..4b967bf 100644
--- a/src/mainboard/ocp/deltalake/romstage.c
+++ b/src/mainboard/ocp/deltalake/romstage.c
@@ -4,6 +4,7 @@
 #include <console/uart.h>
 #include <drivers/ipmi/ipmi_if.h>
 #include <drivers/ipmi/ocp/ipmi_ocp.h>
+#include <drivers/ocp/ewl/ocp_ewl.h>
 #include <drivers/vpd/vpd.h>
 #include <fsp/api.h>
 #include <FspmUpd.h>
@@ -14,6 +15,11 @@
 #include "ipmi.h"
 #include "vpd.h"

+void mainboard_ewl_check(void)
+{
+	get_ewl();
+}
+
 /* Convert the vpd integer to the DDR frenquency limit enum */
 static enum ddr_freq_limit ddr_freq_limit(int num)
 {