Furquan Shaikh has uploaded this change for review.

View Change

spd/lp4x: Set manufacturer part name to blank (0x20)

As per JEDEC spec, manufacturer part name should be set to
blank(0x20). This change updates gen_spd.go to set bytes 329-348 as
0x20 and regenerates SPDs for TGL and JSL.

Change-Id: I6af18d89afd7264cec7e54b38e95df83d55aa058
Signed-off-by: Furquan Shaikh <furquan@google.com>
---
M src/soc/intel/jasperlake/spd/lp4x/spd-1.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-10.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-2.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-3.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-4.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-5.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-6.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-7.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-8.hex
M src/soc/intel/jasperlake/spd/lp4x/spd-9.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-1.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-2.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-3.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-4.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-5.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-6.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-7.hex
M src/soc/intel/tigerlake/spd/lp4x/spd-8.hex
M util/spd_tools/intel/lp4x/gen_spd.go
19 files changed, 51 insertions(+), 36 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/23/42023/1
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-1.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-1.hex
index 8f5bd4e..77230e7 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-1.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-1.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-10.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-10.hex
index bbb9eea..1fe256a 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-10.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-10.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-2.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-2.hex
index 60fe2ab..114363a 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-2.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-2.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-3.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-3.hex
index 06a06e1..50f50e2 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-3.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-3.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-4.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-4.hex
index 7da85a5..6db2d80 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-4.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-4.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-5.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-5.hex
index f025cbd..8da34f1 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-5.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-5.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-6.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-6.hex
index 211c8ae..3277b0b 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-6.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-6.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-7.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-7.hex
index 6a929f3..2a83870 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-7.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-7.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-8.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-8.hex
index c26874c..e4821ba 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-8.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-8.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/jasperlake/spd/lp4x/spd-9.hex b/src/soc/intel/jasperlake/spd/lp4x/spd-9.hex
index dcb44f0..966e666 100644
--- a/src/soc/intel/jasperlake/spd/lp4x/spd-9.hex
+++ b/src/soc/intel/jasperlake/spd/lp4x/spd-9.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-1.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-1.hex
index 55d327a..3fc7505 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-1.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-1.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-2.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-2.hex
index 1558f50..7995d4c 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-2.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-2.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-3.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-3.hex
index c4fd994..d4cf7ef 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-3.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-3.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-4.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-4.hex
index 4988cb4..c4e5b50 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-4.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-4.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-5.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-5.hex
index cf6bf52..5fe7762 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-5.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-5.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-6.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-6.hex
index 0627bb3..985e5fd 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-6.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-6.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-7.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-7.hex
index 9c56627..f330d4b 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-7.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-7.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/src/soc/intel/tigerlake/spd/lp4x/spd-8.hex b/src/soc/intel/tigerlake/spd/lp4x/spd-8.hex
index f9de66b..19cce27 100644
--- a/src/soc/intel/tigerlake/spd/lp4x/spd-8.hex
+++ b/src/soc/intel/tigerlake/spd/lp4x/spd-8.hex
@@ -18,8 +18,8 @@
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 20 20 20 20 20 20 20
+20 20 20 20 20 20 20 20 20 20 20 20 20 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/util/spd_tools/intel/lp4x/gen_spd.go b/util/spd_tools/intel/lp4x/gen_spd.go
index acdc265..2465815 100644
--- a/util/spd_tools/intel/lp4x/gen_spd.go
+++ b/util/spd_tools/intel/lp4x/gen_spd.go
@@ -494,6 +494,8 @@
 	SPDIndexTAAMinFineOffset = 123
 	SPDIndexTCKMaxFineOffset = 124
 	SPDIndexTCKMinFineOffset = 125
+	SPDIndexManufacturerPartNumberStartByte = 329
+	SPDIndexManufacturerPartNumberEndByte = 348
 
 	/* SPD Byte Value */
 
@@ -549,6 +551,9 @@
 
 	/* Write Latency Set A and Read Latency DBI-RD disabled. */
 	SPDValueReadWriteLatency = 0x00
+
+	/* As per JEDEC spec, unused digits of manufacturer part number are left as blank. */
+	SPDValueManufacturerPartNumberBlank = 0x20
 )
 
 var SPDAttribTable = map[int]SPDAttribTableEntry {
@@ -609,9 +614,19 @@
 	return ioutil.WriteFile(filepath.Join(SPDDirName, SPDManifestFileName), []byte(s), 0644)
 }
 
+func isManufacturerPartNumberByte(index int) bool {
+	if index >= SPDIndexManufacturerPartNumberStartByte && index <= SPDIndexManufacturerPartNumberEndByte {
+		return true
+	}
+	return false
+}
+
 func getSPDByte(index int, memAttribs *memAttributes) byte {
 	e, ok := SPDAttribTable[index]
 	if ok == false {
+		if isManufacturerPartNumberByte(index) {
+			return SPDValueManufacturerPartNumberBlank
+		}
 		return 0x00
 	}

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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I6af18d89afd7264cec7e54b38e95df83d55aa058
Gerrit-Change-Number: 42023
Gerrit-PatchSet: 1
Gerrit-Owner: Furquan Shaikh <furquan@google.com>
Gerrit-MessageType: newchange