xref: /OK3568_Linux_fs/kernel/drivers/hwtracing/intel_th/gth.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Intel(R) Trace Hub Global Trace Hub (GTH) data structures
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2014-2015 Intel Corporation.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __INTEL_TH_GTH_H__
9*4882a593Smuzhiyun #define __INTEL_TH_GTH_H__
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /* Map output port parameter bits to symbolic names */
12*4882a593Smuzhiyun #define TH_OUTPUT_PARM(name)			\
13*4882a593Smuzhiyun 	TH_OUTPUT_ ## name
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun enum intel_th_output_parm {
16*4882a593Smuzhiyun 	/* output port type */
17*4882a593Smuzhiyun 	TH_OUTPUT_PARM(port),
18*4882a593Smuzhiyun 	/* generate NULL packet */
19*4882a593Smuzhiyun 	TH_OUTPUT_PARM(null),
20*4882a593Smuzhiyun 	/* packet drop */
21*4882a593Smuzhiyun 	TH_OUTPUT_PARM(drop),
22*4882a593Smuzhiyun 	/* port in reset state */
23*4882a593Smuzhiyun 	TH_OUTPUT_PARM(reset),
24*4882a593Smuzhiyun 	/* flush out data */
25*4882a593Smuzhiyun 	TH_OUTPUT_PARM(flush),
26*4882a593Smuzhiyun 	/* mainenance packet frequency */
27*4882a593Smuzhiyun 	TH_OUTPUT_PARM(smcfreq),
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun /*
31*4882a593Smuzhiyun  * Register offsets
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun enum {
34*4882a593Smuzhiyun 	REG_GTH_GTHOPT0		= 0x00, /* Output ports 0..3 config */
35*4882a593Smuzhiyun 	REG_GTH_GTHOPT1		= 0x04, /* Output ports 4..7 config */
36*4882a593Smuzhiyun 	REG_GTH_SWDEST0		= 0x08, /* Switching destination masters 0..7 */
37*4882a593Smuzhiyun 	REG_GTH_GSWTDEST	= 0x88, /* Global sw trace destination */
38*4882a593Smuzhiyun 	REG_GTH_SMCR0		= 0x9c, /* STP mainenance for ports 0/1 */
39*4882a593Smuzhiyun 	REG_GTH_SMCR1		= 0xa0, /* STP mainenance for ports 2/3 */
40*4882a593Smuzhiyun 	REG_GTH_SMCR2		= 0xa4, /* STP mainenance for ports 4/5 */
41*4882a593Smuzhiyun 	REG_GTH_SMCR3		= 0xa8, /* STP mainenance for ports 6/7 */
42*4882a593Smuzhiyun 	REG_GTH_SCR		= 0xc8, /* Source control (storeEn override) */
43*4882a593Smuzhiyun 	REG_GTH_STAT		= 0xd4, /* GTH status */
44*4882a593Smuzhiyun 	REG_GTH_SCR2		= 0xd8, /* Source control (force storeEn off) */
45*4882a593Smuzhiyun 	REG_GTH_DESTOVR		= 0xdc, /* Destination override */
46*4882a593Smuzhiyun 	REG_GTH_SCRPD0		= 0xe0, /* ScratchPad[0] */
47*4882a593Smuzhiyun 	REG_GTH_SCRPD1		= 0xe4, /* ScratchPad[1] */
48*4882a593Smuzhiyun 	REG_GTH_SCRPD2		= 0xe8, /* ScratchPad[2] */
49*4882a593Smuzhiyun 	REG_GTH_SCRPD3		= 0xec, /* ScratchPad[3] */
50*4882a593Smuzhiyun 	REG_TSCU_TSUCTRL	= 0x2000, /* TSCU control register */
51*4882a593Smuzhiyun 	REG_TSCU_TSCUSTAT	= 0x2004, /* TSCU status register */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 	/* Common Capture Sequencer (CTS) registers */
54*4882a593Smuzhiyun 	REG_CTS_C0S0_EN		= 0x30c0, /* clause_event_enable_c0s0 */
55*4882a593Smuzhiyun 	REG_CTS_C0S0_ACT	= 0x3180, /* clause_action_control_c0s0 */
56*4882a593Smuzhiyun 	REG_CTS_STAT		= 0x32a0, /* cts_status */
57*4882a593Smuzhiyun 	REG_CTS_CTL		= 0x32a4, /* cts_control */
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun /* waiting for Pipeline Empty bit(s) to assert for GTH */
61*4882a593Smuzhiyun #define GTH_PLE_WAITLOOP_DEPTH	10000
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun #define TSUCTRL_CTCRESYNC	BIT(0)
64*4882a593Smuzhiyun #define TSCUSTAT_CTCSYNCING	BIT(1)
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun /* waiting for Trigger status to assert for CTS */
67*4882a593Smuzhiyun #define CTS_TRIG_WAITLOOP_DEPTH	10000
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun #define CTS_EVENT_ENABLE_IF_ANYTHING	BIT(31)
70*4882a593Smuzhiyun #define CTS_ACTION_CONTROL_STATE_OFF	27
71*4882a593Smuzhiyun #define CTS_ACTION_CONTROL_SET_STATE(x)	\
72*4882a593Smuzhiyun 	(((x) & 0x1f) << CTS_ACTION_CONTROL_STATE_OFF)
73*4882a593Smuzhiyun #define CTS_ACTION_CONTROL_TRIGGER	BIT(4)
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun #define CTS_STATE_IDLE			0x10u
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun #define CTS_CTL_SEQUENCER_ENABLE	BIT(0)
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun #endif /* __INTEL_TH_GTH_H__ */
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