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-rw-r--r--bsps/sparc/include/bsp/grascs.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/bsps/sparc/include/bsp/grascs.h b/bsps/sparc/include/bsp/grascs.h
new file mode 100644
index 0000000000..b393e77888
--- /dev/null
+++ b/bsps/sparc/include/bsp/grascs.h
@@ -0,0 +1,92 @@
+/*
+ * Header file for GRASCS RTEMS driver
+ *
+ * COPYRIGHT (c) 2008.
+ * Cobham Gaisler AB.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef __GRASCS_H__
+#define __GRASCS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Minimum and maximum system frequency */
+#define GRASCS_MIN_SFREQ 10000
+#define GRASCS_MAX_SFREQ 255000
+
+/* Default, minimum and maximum ETR pulse frequency */
+#define GRASCS_DEFAULT_ETRFREQ 10
+#define GRASCS_MIN_ETRFREQ 1
+#define GRASCS_MAX_ETRFREQ 100
+
+/* Maximum number of external time markers */
+#define GRASCS_MAX_TMS 6
+
+/* Error codes */
+#define GRASCS_ERROR_STARTSTOP 1 /* Serial/synch interface is running/stopped */
+#define GRASCS_ERROR_TRANSACTIVE 2 /* Busy with transaction */
+#define GRASCS_ERROR_CAPFAULT 3 /* Core capabilities prohibit request */
+
+/* Command register */
+#define GRASCS_CMD_RESET (1 << 0)
+#define GRASCS_CMD_STARTSTOP (1 << 1)
+#define GRASCS_CMD_ESTARTSTOP (1 << 2)
+#define GRASCS_CMD_SENDTM (1 << 3)
+#define GRASCS_CMD_ETRCTRL (7 << 4)
+#define GRASCS_CMD_ETRCTRL_BITS 4
+#define GRASCS_CMD_SLAVESEL (15 << 8)
+#define GRASCS_CMD_SLAVESEL_BITS 8
+#define GRASCS_CMD_TCDONE (1 << 12)
+#define GRASCS_CMD_TMDONE (1 << 13)
+#define GRASCS_CMD_US1 (255 << 16)
+#define GRASCS_CMD_US1_BITS 16
+#define GRASCS_CMD_US1C (1 << 24)
+
+/* Clock scale register */
+#define GRASCS_CLK_ETRFREQ_BITS 12
+
+/* Status register */
+#define GRASCS_STS_RUNNING (1 << 0)
+#define GRASCS_STS_ERUNNING (1 << 1)
+#define GRASCS_STS_TCDONE (1 << 4)
+#define GRASCS_STS_TMDONE (1 << 5)
+#define GRASCS_STS_DBITS_BITS 8
+#define GRASCS_STS_NSLAVES_BITS 13
+#define GRASCS_STS_USCONF_BITS 18
+#define GRASCS_STS_TMCONF_BITS 19
+
+extern int ASCS_init(void);
+
+extern int ASCS_input_select(int slave);
+
+extern int ASCS_etr_select(int etr, int freq);
+
+extern void ASCS_start(void);
+
+extern void ASCS_stop(void);
+
+extern int ASCS_iface_status(void);
+
+extern int ASCS_TC_send(int *word);
+
+extern int ASCS_TC_send_block(int *block, int ntrans);
+
+extern void ASCS_TC_sync_start(void);
+
+extern void ASCS_TC_sync_stop(void);
+
+extern int ASCS_TM_recv(int *word);
+
+extern int ASCS_TM_recv_block(int *block, int ntrans);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif