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-rw-r--r--src/include/cpu/amd/amdfam15.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/cpu/amd/amdfam15.h b/src/include/cpu/amd/amdfam15.h
index 33aa863192..008d5da765 100644
--- a/src/include/cpu/amd/amdfam15.h
+++ b/src/include/cpu/amd/amdfam15.h
@@ -26,6 +26,10 @@
# define SMM_LOCK (1 << 0)
#define NB_CFG_MSR 0xC001001f
+#define MMIO_CONF_BASE 0xC0010058
+# define MMIO_BUS_RANGE_SHIFT 2
+# define MMIO_RANGE_EN (1 << 0)
+
#define PSTATE_0_MSR 0xC0010064
#define LS_CFG_MSR 0xC0011020