[coreboot-gerrit] [XS] Change in coreboot[main]: src/soc/intel/cmn/blk/cse: Log cse sync information

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85219?usp=email )

Change subject: src/soc/intel/cmn/blk/cse: Log cse sync information
......................................................................

src/soc/intel/cmn/blk/cse: Log cse sync information

This patch adds an event log entry for successful CSE synchronization,
along with the boot stage where the synchronization occurred, either
early or late.

BUG=b:379585294
TEST=elog verified on rex0 and rex64

Rex0:
```
rex-rev3 ~ # /media/usb/elogtool list
3 | 2024-01-01 22:25:59-0800 | Firmware CSE sync | Late CSE Sync
```
Rex64:
```
rex64-rev3 ~ # /media/usb/elogtool list
8 | 2024-01-01 22:51:00-0800 | Firmware CSE sync | CSE Sync at Payload
```

Change-Id: Idece841c2b069d7688afc258470667ed2851a282
Signed-off-by: Dinesh Gehlot 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85219
Tested-by: build bot (Jenkins) 
Reviewed-by: Kapil Porwal 
Reviewed-by: Karthik Ramasubramanian 
Reviewed-by: Subrata Banik 
---
M src/soc/intel/common/block/cse/cse_lite.c
1 file changed, 2 insertions(+), 0 deletions(-)

Approvals:
  Karthik Ramasubramanian: Looks good to me, approved
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified
  Kapil Porwal: Looks good to me, approved

diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c
index 07233a9..00b5de6 100644
--- a/src/soc/intel/common/block/cse/cse_lite.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -806,6 +806,8 @@
    	return CB_ERR;

printk(BIOS_INFO, "cse_lite: CSE RW Update Successful\n");
+	elog_add_event_byte(ELOG_TYPE_FW_CSE_SYNC, ENV_RAMSTAGE ? ELOG_FW_LATE_CSE_SYNC :
+						 ELOG_FW_EARLY_CSE_SYNC);
    return CB_SUCCESS;
 }