[coreboot-gerrit] Change in coreboot[master]: [WIP] plot I/O and roundtrip latency errors

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48399 )

Change subject: [WIP] plot I/O and roundtrip latency errors
......................................................................

[WIP] plot I/O and roundtrip latency errors

Change-Id: I453e3fe51e4a577f9503350405d9fe4b668bd037
Signed-off-by: Angel Pons 
---
M src/northbridge/intel/sandybridge/raminit_common.c
1 file changed, 7 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/99/48399/1

diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c
index 667ec14..3df234a 100644
--- a/src/northbridge/intel/sandybridge/raminit_common.c
+++ b/src/northbridge/intel/sandybridge/raminit_common.c
@@ -1328,6 +1328,9 @@
    	program_timings(ctrl, channel);
    	test_rcven(ctrl, channel, slotrank);

+		printram("C%dR%d:\t01234567%c\n\t", channel, slotrank,
+			ctrl->lanes == NUM_LANES ? '8' : ' ');
+
    	FOR_ALL_LANES {
    		works[lane] = !does_lane_work(ctrl, channel, slotrank, lane);

@@ -1335,8 +1338,12 @@
    			some_works = 1;
    		else
    			all_works = 0;
+
+			printram("%c", works[lane] ? '.' : '#');
    	}

+		printram("\n");
+
    	/* If every lane is working, exit */
    	if (all_works)
    		return 0;