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-rw-r--r--src/northbridge/intel/i440bx/i440bx.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/northbridge/intel/i440bx/i440bx.h b/src/northbridge/intel/i440bx/i440bx.h
index 44dca2f66c..4724719cfd 100644
--- a/src/northbridge/intel/i440bx/i440bx.h
+++ b/src/northbridge/intel/i440bx/i440bx.h
@@ -14,6 +14,9 @@
* GNU General Public License for more details.
*/
+#ifndef NORTHBRIDGE_INTEL_I440BX_I440BX_H
+#define NORTHBRIDGE_INTEL_I440BX_I440BX_H
+
/*
* Datasheet:
* - Name: Intel 440BX AGPset: 82443BX Host Bridge/Controller
@@ -82,3 +85,5 @@
#define DWTC 0xe0 /* DRAM Write Thermal Throttling Control (0x000..000). */
#define DRTC 0xe8 /* DRAM Read Thermal Throttling Control (0x000..000). */
#define BUFFC 0xf0 /* Buffer Control Register (0x0000). */
+
+#endif /* NORTHBRIDGE_INTEL_I440BX_I440BX_H */