nb/intel/gm45: Answer question about conversion stepping A1
The datasheet briefly mentions what this mysterious stepping is about.
Change-Id: I5bc1040b74fcdf3822b15e7564f8e4ccebd7d45f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45449
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/gm45/gm45.h b/src/northbridge/intel/gm45/gm45.h
index 23ec091..95457fb 100644
--- a/src/northbridge/intel/gm45/gm45.h
+++ b/src/northbridge/intel/gm45/gm45.h
@@ -16,7 +16,7 @@
} fsb_clock_t;
typedef enum { /* Steppings below B1 were pre-production,
- conversion stepping A1 is... ?
+ conversion stepping A1 is a newer GL40 with support for 800 MT/s on FSB/DDR.
We'll support B1, B2, B3, and conversion stepping A1. */
STEPPING_A0 = 0,
STEPPING_A1 = 1,