Change in flashrom[master]: ich_descriptors: Add check for ISL == 139 for LBG

[David Hendricks (Code Review)]

David Hendricks has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/57581 )

Change subject: ich_descriptors: Add check for ISL == 139 for LBG
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ich_descriptors: Add check for ISL == 139 for LBG

Purley and Whitley BKC images have an ISL (PSL) value of 0x8B (139) in
their BKC images. This matches the documented value in the LBG SPI
programming guide.

Change-Id: Icb8d19fd6771ed787b488044aa5ed5516812b27c
Signed-off-by: David Hendricks 
---
M ich_descriptors.c
1 file changed, 2 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/81/57581/1

diff --git a/ich_descriptors.c b/ich_descriptors.c
index d1c142d..3d2c445 100644
--- a/ich_descriptors.c
+++ b/ich_descriptors.c
@@ -941,7 +941,8 @@
    		warn_peculiar_desc(content->ISL != 23, "Gemini Lake");
    		return CHIPSET_GEMINI_LAKE;
    	}
-		if (content->ISL <= 80)
+		/* Emmitsburg has 80, Purley and Whitley have 139  */
+		if (content->ISL == 80 || content->ISL == 139)
    		return CHIPSET_C620_SERIES_LEWISBURG;
    	/* Ibex Peak is historically used as the default */
    	warn_peculiar_desc(content->ISL != 16, "Ibex Peak");