[commit] r5814 - trunk/src/cpu/amd/car

[repository service]

Author: mjones
Date: Tue Sep 14 19:28:41 2010
New Revision: 5814
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5814

Log:
This patch corrects a coding error in the original implementation
of 'Erratum 343 for AMD Fam10h CPUs' (rev 4345). The original code
sets msr c001_102a bit 3 when bit 35 was intended.

Signed-off-by: Scott Duplichan 
Acked-by: Marc Jones

Modified:
   trunk/src/cpu/amd/car/cache_as_ram.inc

Modified: trunk/src/cpu/amd/car/cache_as_ram.inc
==============================================================================
--- trunk/src/cpu/amd/car/cache_as_ram.inc	Mon Sep 13 21:31:21 2010	(r5813)
+++ trunk/src/cpu/amd/car/cache_as_ram.inc	Tue Sep 14 19:28:41 2010	(r5814)
@@ -129,8 +129,8 @@
    /* execute special read command for msr-register. Result is then in the EDX:EAX-registers (MSBs in EDX) */
    rdmsr

-	/* Set bit 35 to 1 in EAX */
-	bts	$35, %eax
+	/* Set bit 35 to 1 in EAX:EDX */
+	bts	$35-32, %edx

/* write back the modified register EDX:EAX to the MSR specified in ECX */
    wrmsr