1/*
 2 * Intel(R) Trace Hub Global Trace Hub (GTH) data structures
 3 *
 4 * Copyright (C) 2014-2015 Intel Corporation.
 5 *
 6 * This program is free software; you can redistribute it and/or modify it
 7 * under the terms and conditions of the GNU General Public License,
 8 * version 2, as published by the Free Software Foundation.
 9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 * more details.
14 */
15
16#ifndef __INTEL_TH_GTH_H__
17#define __INTEL_TH_GTH_H__
18
19/* Map output port parameter bits to symbolic names */
20#define TH_OUTPUT_PARM(name)			\
21	TH_OUTPUT_ ## name
22
23enum intel_th_output_parm {
24	/* output port type */
25	TH_OUTPUT_PARM(port),
26	/* generate NULL packet */
27	TH_OUTPUT_PARM(null),
28	/* packet drop */
29	TH_OUTPUT_PARM(drop),
30	/* port in reset state */
31	TH_OUTPUT_PARM(reset),
32	/* flush out data */
33	TH_OUTPUT_PARM(flush),
34	/* mainenance packet frequency */
35	TH_OUTPUT_PARM(smcfreq),
36};
37
38/*
39 * Register offsets
40 */
41enum {
42	REG_GTH_GTHOPT0		= 0x00, /* Output ports 0..3 config */
43	REG_GTH_GTHOPT1		= 0x04, /* Output ports 4..7 config */
44	REG_GTH_SWDEST0		= 0x08, /* Switching destination masters 0..7 */
45	REG_GTH_GSWTDEST	= 0x88, /* Global sw trace destination */
46	REG_GTH_SMCR0		= 0x9c, /* STP mainenance for ports 0/1 */
47	REG_GTH_SMCR1		= 0xa0, /* STP mainenance for ports 2/3 */
48	REG_GTH_SMCR2		= 0xa4, /* STP mainenance for ports 4/5 */
49	REG_GTH_SMCR3		= 0xa8, /* STP mainenance for ports 6/7 */
50	REG_GTH_SCR		= 0xc8, /* Source control (storeEn override) */
51	REG_GTH_STAT		= 0xd4, /* GTH status */
52	REG_GTH_SCR2		= 0xd8, /* Source control (force storeEn off) */
53	REG_GTH_DESTOVR		= 0xdc, /* Destination override */
54	REG_GTH_SCRPD0		= 0xe0, /* ScratchPad[0] */
55	REG_GTH_SCRPD1		= 0xe4, /* ScratchPad[1] */
56	REG_GTH_SCRPD2		= 0xe8, /* ScratchPad[2] */
57	REG_GTH_SCRPD3		= 0xec, /* ScratchPad[3] */
58};
59
60/* waiting for Pipeline Empty bit(s) to assert for GTH */
61#define GTH_PLE_WAITLOOP_DEPTH	10000
62
63#endif /* __INTEL_TH_GTH_H__ */