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-rw-r--r--src/vendorcode/amd/agesa/f12/AGESA.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/AGESA.h b/src/vendorcode/amd/agesa/f12/AGESA.h
index b939eb4429..9f618079f3 100644
--- a/src/vendorcode/amd/agesa/f12/AGESA.h
+++ b/src/vendorcode/amd/agesa/f12/AGESA.h
@@ -1279,8 +1279,12 @@ typedef enum {
///< CPU MSR Register definitions ------------------------------------------
#define SYS_CFG 0xC0010010
+#ifndef TOP_MEM
#define TOP_MEM 0xC001001A
+#endif
+#ifndef TOP_MEM2
#define TOP_MEM2 0xC001001D
+#endif
#define HWCR 0xC0010015
#define NB_CFG 0xC001001F