-
-#define SBTPS_NUM0_MASK 0x3f
-#define SBTPS_F0EN0 0x40
-
-
-#define SBTMEL_CM 0x00000007
-#define SBTMEL_CI 0x0000ff00
-#define SBTMEL_EC 0x0f000000
-#define SBTMEL_ME 0x80000000
-
-
-#define SBIM_PC 0xf
-#define SBIM_AP_MASK 0x30
-#define SBIM_AP_BOTH 0x00
-#define SBIM_AP_TS 0x10
-#define SBIM_AP_TK 0x20
-#define SBIM_AP_RSV 0x30
-#define SBIM_IBE 0x20000
-#define SBIM_TO 0x40000
-#define SBIM_BY 0x01800000
-#define SBIM_RJ 0x02000000
-
-
-#define SBTML_RESET 0x0001
-#define SBTML_REJ_MASK 0x0006
-#define SBTML_REJ 0x0002
-#define SBTML_TMPREJ 0x0004
-
-#define SBTML_SICF_SHIFT 16
-
-
-#define SBTMH_SERR 0x0001
-#define SBTMH_INT 0x0002
-#define SBTMH_BUSY 0x0004
-#define SBTMH_TO 0x0020
-
-#define SBTMH_SISF_SHIFT 16
-
-
-#define SBBWA_TAB0_MASK 0xffff
-#define SBBWA_TAB1_MASK 0xffff
+/* sbtpsflag */
+#define SBTPS_NUM0_MASK 0x3f /**< interrupt sbFlag # generated by this core */
+#define SBTPS_F0EN0 0x40 /**< interrupt is always sent on the backplane */
+
+/* sbtmerrlog */
+#define SBTMEL_CM 0x00000007 /**< command */
+#define SBTMEL_CI 0x0000ff00 /**< connection id */
+#define SBTMEL_EC 0x0f000000 /**< error code */
+#define SBTMEL_ME 0x80000000 /**< multiple error */
+
+/* sbimstate */
+#define SBIM_PC 0xf /**< pipecount */
+#define SBIM_AP_MASK 0x30 /**< arbitration policy */
+#define SBIM_AP_BOTH 0x00 /**< use both timeslaces and token */
+#define SBIM_AP_TS 0x10 /**< use timesliaces only */
+#define SBIM_AP_TK 0x20 /**< use token only */
+#define SBIM_AP_RSV 0x30 /**< reserved */
+#define SBIM_IBE 0x20000 /**< inbanderror */
+#define SBIM_TO 0x40000 /**< timeout */
+#define SBIM_BY 0x01800000 /**< busy (sonics >= 2.3) */
+#define SBIM_RJ 0x02000000 /**< reject (sonics >= 2.3) */
+
+/* sbtmstatelow */
+#define SBTML_RESET 0x0001 /**< reset */
+#define SBTML_REJ_MASK 0x0006 /**< reject field */
+#define SBTML_REJ 0x0002 /**< reject */
+#define SBTML_TMPREJ 0x0004 /**< temporary reject, for error recovery */
+
+#define SBTML_SICF_SHIFT 16 /**< Shift to locate the SI control flags in sbtml */
+
+/* sbtmstatehigh */
+#define SBTMH_SERR 0x0001 /**< serror */
+#define SBTMH_INT 0x0002 /**< interrupt */
+#define SBTMH_BUSY 0x0004 /**< busy */
+#define SBTMH_TO 0x0020 /**< timeout (sonics >= 2.3) */
+
+#define SBTMH_SISF_SHIFT 16 /**< Shift to locate the SI status flags in sbtmh */
+
+/* sbbwa0 */
+#define SBBWA_TAB0_MASK 0xffff /**< lookup table 0 */
+#define SBBWA_TAB1_MASK 0xffff /**< lookup table 1 */