| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Pratik Patel | 684 | 86.25% | 1 | 5.88% |
| Mathieu J. Poirier | 72 | 9.08% | 9 | 52.94% |
| Muhammad Abdul WAHAB | 17 | 2.14% | 1 | 5.88% |
| Mike Leach | 7 | 0.88% | 2 | 11.76% |
| Suzuki K. Poulose | 6 | 0.76% | 1 | 5.88% |
| Linus Walleij | 5 | 0.63% | 1 | 5.88% |
| James Clark | 1 | 0.13% | 1 | 5.88% |
| Chunyan Zhang | 1 | 0.13% | 1 | 5.88% |
| Total | 793 | 17 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. */ #ifndef _CORESIGHT_CORESIGHT_ETM_H #define _CORESIGHT_CORESIGHT_ETM_H #include <asm/local.h> #include <linux/spinlock.h> #include "coresight-priv.h" /* * Device registers: * 0x000 - 0x2FC: Trace registers * 0x300 - 0x314: Management registers * 0x318 - 0xEFC: Trace registers * * Coresight registers * 0xF00 - 0xF9C: Management registers * 0xFA0 - 0xFA4: Management registers in PFTv1.0 * Trace registers in PFTv1.1 * 0xFA8 - 0xFFC: Management registers */ /* Trace registers (0x000-0x2FC) */ #define ETMCR 0x000 #define ETMCCR 0x004 #define ETMTRIGGER 0x008 #define ETMSR 0x010 #define ETMSCR 0x014 #define ETMTSSCR 0x018 #define ETMTECR2 0x01c #define ETMTEEVR 0x020 #define ETMTECR1 0x024 #define ETMFFLR 0x02c #define ETMACVRn(n) (0x040 + (n * 4)) #define ETMACTRn(n) (0x080 + (n * 4)) #define ETMCNTRLDVRn(n) (0x140 + (n * 4)) #define ETMCNTENRn(n) (0x150 + (n * 4)) #define ETMCNTRLDEVRn(n) (0x160 + (n * 4)) #define ETMCNTVRn(n) (0x170 + (n * 4)) #define ETMSQ12EVR 0x180 #define ETMSQ21EVR 0x184 #define ETMSQ23EVR 0x188 #define ETMSQ31EVR 0x18c #define ETMSQ32EVR 0x190 #define ETMSQ13EVR 0x194 #define ETMSQR 0x19c #define ETMEXTOUTEVRn(n) (0x1a0 + (n * 4)) #define ETMCIDCVRn(n) (0x1b0 + (n * 4)) #define ETMCIDCMR 0x1bc #define ETMIMPSPEC0 0x1c0 #define ETMIMPSPEC1 0x1c4 #define ETMIMPSPEC2 0x1c8 #define ETMIMPSPEC3 0x1cc #define ETMIMPSPEC4 0x1d0 #define ETMIMPSPEC5 0x1d4 #define ETMIMPSPEC6 0x1d8 #define ETMIMPSPEC7 0x1dc #define ETMSYNCFR 0x1e0 #define ETMIDR 0x1e4 #define ETMCCER 0x1e8 #define ETMEXTINSELR 0x1ec #define ETMTESSEICR 0x1f0 #define ETMEIBCR 0x1f4 #define ETMTSEVR 0x1f8 #define ETMAUXCR 0x1fc #define ETMTRACEIDR 0x200 #define ETMVMIDCVR 0x240 /* Management registers (0x300-0x314) */ #define ETMOSLAR 0x300 #define ETMOSLSR 0x304 #define ETMOSSRR 0x308 #define ETMPDCR 0x310 #define ETMPDSR 0x314 #define ETM_MAX_ADDR_CMP 16 #define ETM_MAX_CNTR 4 #define ETM_MAX_CTXID_CMP 3 /* Register definition */ /* ETMCR - 0x00 */ #define ETMCR_PWD_DWN BIT(0) #define ETMCR_STALL_MODE BIT(7) #define ETMCR_BRANCH_BROADCAST BIT(8) #define ETMCR_ETM_PRG BIT(10) #define ETMCR_ETM_EN BIT(11) #define ETMCR_CYC_ACC BIT(12) #define ETMCR_CTXID_SIZE (BIT(14)|BIT(15)) #define ETMCR_TIMESTAMP_EN BIT(28) #define ETMCR_RETURN_STACK BIT(29) /* ETMCCR - 0x04 */ #define ETMCCR_FIFOFULL BIT(23) /* ETMPDCR - 0x310 */ #define ETMPDCR_PWD_UP BIT(3) /* ETMTECR1 - 0x024 */ #define ETMTECR1_ADDR_COMP_1 BIT(0) #define ETMTECR1_INC_EXC BIT(24) #define ETMTECR1_START_STOP BIT(25) /* ETMCCER - 0x1E8 */ #define ETMCCER_TIMESTAMP BIT(22) #define ETMCCER_RETSTACK BIT(23) #define ETM_MODE_EXCLUDE BIT(0) #define ETM_MODE_CYCACC BIT(1) #define ETM_MODE_STALL BIT(2) #define ETM_MODE_TIMESTAMP BIT(3) #define ETM_MODE_CTXID BIT(4) #define ETM_MODE_BBROAD BIT(5) #define ETM_MODE_RET_STACK BIT(6) #define ETM_MODE_ALL (ETM_MODE_EXCLUDE | ETM_MODE_CYCACC | \ ETM_MODE_STALL | ETM_MODE_TIMESTAMP | \ ETM_MODE_BBROAD | ETM_MODE_RET_STACK | \ ETM_MODE_CTXID | ETM_MODE_EXCL_KERN | \ ETM_MODE_EXCL_USER) #define ETM_SQR_MASK 0x3 #define ETM_TRACEID_MASK 0x3f #define ETM_EVENT_MASK 0x1ffff #define ETM_SYNC_MASK 0xfff #define ETM_ALL_MASK 0xffffffff #define ETMSR_PROG_BIT 1 #define ETM_SEQ_STATE_MAX_VAL (0x2) #define PORT_SIZE_MASK (GENMASK(21, 21) | GENMASK(6, 4)) #define ETM_HARD_WIRE_RES_A /* Hard wired, always true */ \ ((0x0f << 0) | \ /* Resource index A */ \ (0x06 << 4)) #define ETM_ADD_COMP_0 /* Single addr comparator 1 */ \ ((0x00 << 7) | \ /* Resource index B */ \ (0x00 << 11)) #define ETM_EVENT_NOT_A BIT(14) /* NOT(A) */ #define ETM_DEFAULT_EVENT_VAL (ETM_HARD_WIRE_RES_A | \ ETM_ADD_COMP_0 | \ ETM_EVENT_NOT_A) /** * struct etm_config - configuration information related to an ETM * @mode: controls various modes supported by this ETM/PTM. * @ctrl: used in conjunction with @mode. * @trigger_event: setting for register ETMTRIGGER. * @startstop_ctrl: setting for register ETMTSSCR. * @enable_event: setting for register ETMTEEVR. * @enable_ctrl1: setting for register ETMTECR1. * @enable_ctrl2: setting for register ETMTECR2. * @fifofull_level: setting for register ETMFFLR. * @addr_idx: index for the address comparator selection. * @addr_val: value for address comparator register. * @addr_acctype: access type for address comparator register. * @addr_type: current status of the comparator register. * @cntr_idx: index for the counter register selection. * @cntr_rld_val: reload value of a counter register. * @cntr_event: control for counter enable register. * @cntr_rld_event: value for counter reload event register. * @cntr_val: counter value register. * @seq_12_event: event causing the transition from 1 to 2. * @seq_21_event: event causing the transition from 2 to 1. * @seq_23_event: event causing the transition from 2 to 3. * @seq_31_event: event causing the transition from 3 to 1. * @seq_32_event: event causing the transition from 3 to 2. * @seq_13_event: event causing the transition from 1 to 3. * @seq_curr_state: current value of the sequencer register. * @ctxid_idx: index for the context ID registers. * @ctxid_pid: value for the context ID to trigger on. * @ctxid_mask: mask applicable to all the context IDs. * @sync_freq: Synchronisation frequency. * @timestamp_event: Defines an event that requests the insertion * of a timestamp into the trace stream. */ struct etm_config { u32 mode; u32 ctrl; u32 trigger_event; u32 startstop_ctrl; u32 enable_event; u32 enable_ctrl1; u32 enable_ctrl2; u32 fifofull_level; u8 addr_idx; u32 addr_val[ETM_MAX_ADDR_CMP]; u32 addr_acctype[ETM_MAX_ADDR_CMP]; u32 addr_type[ETM_MAX_ADDR_CMP]; u8 cntr_idx; u32 cntr_rld_val[ETM_MAX_CNTR]; u32 cntr_event[ETM_MAX_CNTR]; u32 cntr_rld_event[ETM_MAX_CNTR]; u32 cntr_val[ETM_MAX_CNTR]; u32 seq_12_event; u32 seq_21_event; u32 seq_23_event; u32 seq_31_event; u32 seq_32_event; u32 seq_13_event; u32 seq_curr_state; u8 ctxid_idx; u32 ctxid_pid[ETM_MAX_CTXID_CMP]; u32 ctxid_mask; u32 sync_freq; u32 timestamp_event; }; /** * struct etm_drvdata - specifics associated to an ETM component * @base: memory mapped base address for this component. * @atclk: optional clock for the core parts of the ETM. * @csdev: component vitals needed by the framework. * @spinlock: only one at a time pls. * @cpu: the cpu this component is affined to. * @port_size: port size as reported by ETMCR bit 4-6 and 21. * @arch: ETM/PTM version number. * @use_cpu14: true if management registers need to be accessed via CP14. * @sticky_enable: true if ETM base configuration has been done. * @boot_enable:true if we should start tracing at boot time. * @os_unlock: true if access to management registers is allowed. * @nr_addr_cmp:Number of pairs of address comparators as found in ETMCCR. * @nr_cntr: Number of counters as found in ETMCCR bit 13-15. * @nr_ext_inp: Number of external input as found in ETMCCR bit 17-19. * @nr_ext_out: Number of external output as found in ETMCCR bit 20-22. * @nr_ctxid_cmp: Number of contextID comparators as found in ETMCCR bit 24-25. * @etmccr: value of register ETMCCR. * @etmccer: value of register ETMCCER. * @traceid: value of the current ID for this component. * @config: structure holding configuration parameters. */ struct etm_drvdata { void __iomem *base; struct clk *atclk; struct coresight_device *csdev; spinlock_t spinlock; int cpu; int port_size; u8 arch; bool use_cp14; bool sticky_enable; bool boot_enable; bool os_unlock; u8 nr_addr_cmp; u8 nr_cntr; u8 nr_ext_inp; u8 nr_ext_out; u8 nr_ctxid_cmp; u32 etmccr; u32 etmccer; u32 traceid; struct etm_config config; }; static inline void etm_writel(struct etm_drvdata *drvdata, u32 val, u32 off) { if (drvdata->use_cp14) { if (etm_writel_cp14(off, val)) { dev_err(&drvdata->csdev->dev, "invalid CP14 access to ETM reg: %#x", off); } } else { writel_relaxed(val, drvdata->base + off); } } static inline unsigned int etm_readl(struct etm_drvdata *drvdata, u32 off) { u32 val; if (drvdata->use_cp14) { if (etm_readl_cp14(off, &val)) { dev_err(&drvdata->csdev->dev, "invalid CP14 access to ETM reg: %#x", off); } } else { val = readl_relaxed(drvdata->base + off); } return val; } extern const struct attribute_group *coresight_etm_groups[]; void etm_set_default(struct etm_config *config); void etm_config_trace_mode(struct etm_config *config); struct etm_config *get_etm_config(struct etm_drvdata *drvdata); int etm_read_alloc_trace_id(struct etm_drvdata *drvdata); void etm_release_trace_id(struct etm_drvdata *drvdata); #endif
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