diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/gth.h')
-rw-r--r-- | drivers/hwtracing/intel_th/gth.h | 79 |
1 files changed, 79 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..bfcc0fd01 --- /dev/null +++ b/drivers/hwtracing/intel_th/gth.h @@ -0,0 +1,79 @@ +/* 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 */ + + /* Common Capture Sequencer (CTS) registers */ + REG_CTS_C0S0_EN = 0x30c0, /* clause_event_enable_c0s0 */ + REG_CTS_C0S0_ACT = 0x3180, /* clause_action_control_c0s0 */ + REG_CTS_STAT = 0x32a0, /* cts_status */ + REG_CTS_CTL = 0x32a4, /* cts_control */ +}; + +/* 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) + +/* waiting for Trigger status to assert for CTS */ +#define CTS_TRIG_WAITLOOP_DEPTH 10000 + +#define CTS_EVENT_ENABLE_IF_ANYTHING BIT(31) +#define CTS_ACTION_CONTROL_STATE_OFF 27 +#define CTS_ACTION_CONTROL_SET_STATE(x) \ + (((x) & 0x1f) << CTS_ACTION_CONTROL_STATE_OFF) +#define CTS_ACTION_CONTROL_TRIGGER BIT(4) + +#define CTS_STATE_IDLE 0x10u + +#define CTS_CTL_SEQUENCER_ENABLE BIT(0) + +#endif /* __INTEL_TH_GTH_H__ */ |