/* Port 0x03: Host Bridge Message Port Registers */
+/* Host Miscellaneous Controls 2 */
+#define HMISC2 0x03
+
+#define HMISC2_SEGE 0x00000002
+#define HMISC2_SEGF 0x00000004
+#define HMISC2_SEGAB 0x00000010
+
/* Host Memory I/O Boundary */
#define HM_BOUND 0x08