1 files changed, 91 insertions, 0 deletions
diff --git a/bsps/include/grlib/l4stat.h b/bsps/include/grlib/l4stat.h
new file mode 100644
index 0000000000..94fbe4b095
--- /dev/null
+++ b/bsps/include/grlib/l4stat.h
@@ -0,0 +1,91 @@
+/*
+ * L4STAT APB-Register Driver.
+ * 
+ * COPYRIGHT (c) 2017.
+ * 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 __L4STAT_H__
+#define __L4STAT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define L4STAT_ERR_OK 0
+#define L4STAT_ERR_EINVAL -1
+#define L4STAT_ERR_ERROR -2
+#define L4STAT_ERR_TOOMANY -3
+#define L4STAT_ERR_IMPLEMENTED -4
+
+/* Register L4STAT driver to Driver Manager */
+void l4stat_register_drv (void);
+
+extern int l4stat_counter_print(unsigned int counter);
+
+/*
+ * L4STAT CCTRL register fields
+ */
+#define CCTRL_NCPU (0xf << CCTRL_NCPU_BIT)
+#define CCTRL_NCNT_L3STAT (0x1ff << CCTRL_NCNT_BIT)
+#define CCTRL_NCNT (0x1f << CCTRL_NCNT_BIT)
+#define CCTRL_MC (0x1 << CCTRL_MC_BIT)
+#define CCTRL_IA (0x1 << CCTRL_IA_BIT)
+#define CCTRL_DS (0x1 << CCTRL_DS_BIT)
+#define CCTRL_EE (0x1 << CCTRL_EE_BIT)
+#define CCTRL_AE (0x1 << CCTRL_AE_BIT)
+#define CCTRL_EL (0x1 << CCTRL_EL_BIT)
+#define CCTRL_CD (0x1 << CCTRL_CD_BIT)
+#define CCTRL_SU (0x3 << CCTRL_SU_BIT)
+#define CCTRL_CL (0x1 << CCTRL_CL_BIT)
+#define CCTRL_EN (0x1 << CCTRL_EN_BIT)
+#define CCTRL_EVENTID (0xff << CCTRL_EVENTID_BIT)
+#define CCTRL_CPUAHBM (0xf << CCTRL_CPUAHBM_BIT)
+
+#define CCTRL_NCPU_BIT 28
+#define CCTRL_NCNT_BIT 23
+#define CCTRL_MC_BIT 22
+#define CCTRL_IA_BIT 21
+#define CCTRL_DS_BIT 20
+#define CCTRL_EE_BIT 19
+#define CCTRL_AE_BIT 18
+#define CCTRL_EL_BIT 17
+#define CCTRL_CD_BIT 16
+#define CCTRL_SU_BIT 14
+#define CCTRL_CL_BIT 13
+#define CCTRL_EN_BIT 12
+#define CCTRL_EVENTID_BIT 4
+#define CCTRL_CPUAHBM_BIT 0
+
+#define L4STAT_OPTIONS_EVENT_LEVEL_ENABLE CCTRL_EL 
+#define L4STAT_OPTIONS_EVENT_LEVEL_DISABLE 0
+#define L4STAT_OPTIONS_MAXIMUM_DURATION CCTRL_CD
+#define L4STAT_OPTIONS_SUPERVISOR_MODE_FILTER (0x1 << CCTRL_SU_BIT)
+#define L4STAT_OPTIONS_USER_MODE_FILTER (0x2 << CCTRL_SU_BIT)
+#define L4STAT_OPTIONS_NO_FILTER 0
+#define L4STAT_OPTIONS_CLEAR_ON_READ CCTRL_CL
+
+extern int l4stat_counter_enable(unsigned int counter, int event, int cpu, int options);
+extern int l4stat_counter_disable(unsigned int counter);
+extern int l4stat_counter_set(unsigned int counter, uint32_t val);
+extern int l4stat_counter_get(unsigned int counter, uint32_t *val);
+
+static inline int l4stat_counter_clear(unsigned int counter)
+{
+	return l4stat_counter_set(counter, 0);
+}
+
+extern int l4stat_counter_max_set(unsigned int counter, uint32_t val);
+extern int l4stat_counter_max_get(unsigned int counter, uint32_t *val);
+extern int l4stat_tstamp_set(uint32_t val);
+extern int l4stat_tstamp_get(uint32_t *val);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif