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-rw-r--r--drivers/hwtracing/intel_th/gth.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/gth.h b/drivers/hwtracing/intel_th/gth.h
new file mode 100644
index 000000000..6f2b0b930
--- /dev/null
+++ b/drivers/hwtracing/intel_th/gth.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Intel(R) Trace Hub Global Trace Hub (GTH) data structures
+ *
+ * Copyright (C) 2014-2015 Intel Corporation.
+ */
+
+#ifndef __INTEL_TH_GTH_H__
+#define __INTEL_TH_GTH_H__
+
+/* Map output port parameter bits to symbolic names */
+#define TH_OUTPUT_PARM(name) \
+ TH_OUTPUT_ ## name
+
+enum intel_th_output_parm {
+ /* output port type */
+ TH_OUTPUT_PARM(port),
+ /* generate NULL packet */
+ TH_OUTPUT_PARM(null),
+ /* packet drop */
+ TH_OUTPUT_PARM(drop),
+ /* port in reset state */
+ TH_OUTPUT_PARM(reset),
+ /* flush out data */
+ TH_OUTPUT_PARM(flush),
+ /* mainenance packet frequency */
+ TH_OUTPUT_PARM(smcfreq),
+};
+
+/*
+ * Register offsets
+ */
+enum {
+ REG_GTH_GTHOPT0 = 0x00, /* Output ports 0..3 config */
+ REG_GTH_GTHOPT1 = 0x04, /* Output ports 4..7 config */
+ REG_GTH_SWDEST0 = 0x08, /* Switching destination masters 0..7 */
+ REG_GTH_GSWTDEST = 0x88, /* Global sw trace destination */
+ REG_GTH_SMCR0 = 0x9c, /* STP mainenance for ports 0/1 */
+ REG_GTH_SMCR1 = 0xa0, /* STP mainenance for ports 2/3 */
+ REG_GTH_SMCR2 = 0xa4, /* STP mainenance for ports 4/5 */
+ REG_GTH_SMCR3 = 0xa8, /* STP mainenance for ports 6/7 */
+ REG_GTH_SCR = 0xc8, /* Source control (storeEn override) */
+ REG_GTH_STAT = 0xd4, /* GTH status */
+ REG_GTH_SCR2 = 0xd8, /* Source control (force storeEn off) */
+ REG_GTH_DESTOVR = 0xdc, /* Destination override */
+ REG_GTH_SCRPD0 = 0xe0, /* ScratchPad[0] */
+ REG_GTH_SCRPD1 = 0xe4, /* ScratchPad[1] */
+ REG_GTH_SCRPD2 = 0xe8, /* ScratchPad[2] */
+ REG_GTH_SCRPD3 = 0xec, /* ScratchPad[3] */
+ REG_TSCU_TSUCTRL = 0x2000, /* TSCU control register */
+ REG_TSCU_TSCUSTAT = 0x2004, /* TSCU status register */
+};
+
+/* waiting for Pipeline Empty bit(s) to assert for GTH */
+#define GTH_PLE_WAITLOOP_DEPTH 10000
+
+#define TSUCTRL_CTCRESYNC BIT(0)
+#define TSCUSTAT_CTCSYNCING BIT(1)
+
+#endif /* __INTEL_TH_GTH_H__ */