hwtracing/coresight/coresight-tmc.h

1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/dma-mapping.h>
45 /* TMC_CTL - 0x020 */
46 #define TMC_CTL_CAPT_EN		BIT(0)
47 /* TMC_STS - 0x00C */
49 #define TMC_STS_FULL		BIT(0)
50 #define TMC_STS_TRIGGERED	BIT(1)
51 #define TMC_STS_MEMERR		BIT(5)
53  * TMC_AXICTL - 0x110
55  * TMC AXICTL format for SoC-400
56  *	Bits [0-1]	: ProtCtrlBit0-1
57  *	Bits [2-5]	: CacheCtrlBits 0-3 (AXCACHE)
58  *	Bit  6		: Reserved
59  *	Bit  7		: ScatterGatherMode
60  *	Bits [8-11]	: WrBurstLen
61  *	Bits [12-31]	: Reserved.
62  * TMC AXICTL format for SoC-600, as above except:
63  *	Bits [2-5]	: AXI WCACHE
64  *	Bits [16-19]	: AXI RCACHE
65  *	Bits [20-31]	: Reserved
70 #define TMC_AXICTL_PROT_CTL_B0	BIT(0)
71 #define TMC_AXICTL_PROT_CTL_B1	BIT(1)
72 #define TMC_AXICTL_SCT_GAT_MODE	BIT(7)
74 /* Write-back Read and Write-allocate */
78 /* TMC_FFCR - 0x304 */
80 #define TMC_FFCR_EN_FMT		BIT(0)
81 #define TMC_FFCR_EN_TI		BIT(1)
82 #define TMC_FFCR_FON_FLIN	BIT(4)
83 #define TMC_FFCR_FON_TRIG_EVT	BIT(5)
84 #define TMC_FFCR_TRIGON_TRIGIN	BIT(8)
85 #define TMC_FFCR_STOP_ON_FLUSH	BIT(12)
88 #define TMC_DEVID_NOSCAT	BIT(24)
90 #define TMC_DEVID_AXIAW_VALID	BIT(16)
115 /* TMC ETR Capability bit definitions */
120  * TMC_ETR_SAVE_RESTORE - Values of RRP/RWP/STS.Full are
123  * the RRP/RWP/STS.Full should always be programmed to the correct
129 /* Coresight SoC-600 TMC-ETR unadvertised capabilities */
135 	ETR_MODE_ETR_SG,	/* Uses in-built TMC ETR SG mechanism */
142  * struct etr_buf - Details of the buffer used by ETR
145  * @full	: Trace data overflow
156 	bool				full;  member
166  * struct tmc_drvdata - specifics associated to an TMC component
174  * @etr_buf:	details of buffer used in TMC-ETR
222  * struct tmc_pages - Collection of pages used for SG.
234  * struct tmc_sg_table - Generic SG table for TMC
281 	return coresight_read_reg_pair(drvdata->base, lo_off, hi_off);	\
286 	coresight_write_reg_pair(drvdata->base, val, lo_off, hi_off);	\
296 	WARN_ON(drvdata->etr_caps);  in TMC_REG_PAIR()
297 	drvdata->etr_caps = dev_caps;  in TMC_REG_PAIR()
302 	drvdata->etr_caps |= cap;  in tmc_etr_set_cap()
307 	return !!(drvdata->etr_caps & cap);  in tmc_etr_has_cap()
324 	return sg_table->data_pages.nr_pages << PAGE_SHIFT;  in tmc_sg_table_buf_size()