diff options
Diffstat (limited to 'drivers/bus/arm-cci.c')
| -rw-r--r-- | drivers/bus/arm-cci.c | 220 |
1 files changed, 112 insertions, 108 deletions
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index ebb2f1efa12c..683e289145d7 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -52,7 +52,7 @@ static const struct of_device_id arm_cci_matches[] = { #ifdef CONFIG_ARM_CCI400_COMMON {.compatible = "arm,cci-400", .data = CCI400_PORTS_DATA }, #endif -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU { .compatible = "arm,cci-500", }, #endif {}, @@ -92,7 +92,7 @@ static const struct of_device_id arm_cci_matches[] = { enum { CCI_IF_SLAVE, CCI_IF_MASTER, -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU CCI_IF_GLOBAL, #endif CCI_IF_MAX, @@ -154,7 +154,7 @@ enum cci_models { CCI400_R0, CCI400_R1, #endif -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU CCI500_R0, #endif CCI_MODEL_MAX @@ -426,73 +426,67 @@ static inline struct cci_pmu_model *probe_cci_model(struct platform_device *pdev } #endif /* CONFIG_ARM_CCI400_PMU */ -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU /* - * CCI500 provides 8 independent event counters that can count - * any of the events available. - * - * CCI500 PMU event id is an 9-bit value made of two parts. + * CCI5xx PMU event id is an 9-bit value made of two parts. * bits [8:5] - Source for the event - * 0x0-0x6 - Slave interfaces - * 0x8-0xD - Master interfaces - * 0xf - Global Events - * 0x7,0xe - Reserved - * * bits [4:0] - Event code (specific to type of interface) + * + * */ /* Port ids */ -#define CCI500_PORT_S0 0x0 -#define CCI500_PORT_S1 0x1 -#define CCI500_PORT_S2 0x2 -#define CCI500_PORT_S3 0x3 -#define CCI500_PORT_S4 0x4 -#define CCI500_PORT_S5 0x5 -#define CCI500_PORT_S6 0x6 - -#define CCI500_PORT_M0 0x8 -#define CCI500_PORT_M1 0x9 -#define CCI500_PORT_M2 0xa -#define CCI500_PORT_M3 0xb -#define CCI500_PORT_M4 0xc -#define CCI500_PORT_M5 0xd - -#define CCI500_PORT_GLOBAL 0xf - -#define CCI500_PMU_EVENT_MASK 0x1ffUL -#define CCI500_PMU_EVENT_SOURCE_SHIFT 0x5 -#define CCI500_PMU_EVENT_SOURCE_MASK 0xf -#define CCI500_PMU_EVENT_CODE_SHIFT 0x0 -#define CCI500_PMU_EVENT_CODE_MASK 0x1f - -#define CCI500_PMU_EVENT_SOURCE(event) \ - ((event >> CCI500_PMU_EVENT_SOURCE_SHIFT) & CCI500_PMU_EVENT_SOURCE_MASK) -#define CCI500_PMU_EVENT_CODE(event) \ - ((event >> CCI500_PMU_EVENT_CODE_SHIFT) & CCI500_PMU_EVENT_CODE_MASK) - -#define CCI500_SLAVE_PORT_MIN_EV 0x00 -#define CCI500_SLAVE_PORT_MAX_EV 0x1f -#define CCI500_MASTER_PORT_MIN_EV 0x00 -#define CCI500_MASTER_PORT_MAX_EV 0x06 -#define CCI500_GLOBAL_PORT_MIN_EV 0x00 -#define CCI500_GLOBAL_PORT_MAX_EV 0x0f - - -#define CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(_name, _config) \ - CCI_EXT_ATTR_ENTRY(_name, cci500_pmu_global_event_show, \ +#define CCI5xx_PORT_S0 0x0 +#define CCI5xx_PORT_S1 0x1 +#define CCI5xx_PORT_S2 0x2 +#define CCI5xx_PORT_S3 0x3 +#define CCI5xx_PORT_S4 0x4 +#define CCI5xx_PORT_S5 0x5 +#define CCI5xx_PORT_S6 0x6 + +#define CCI5xx_PORT_M0 0x8 +#define CCI5xx_PORT_M1 0x9 +#define CCI5xx_PORT_M2 0xa +#define CCI5xx_PORT_M3 0xb +#define CCI5xx_PORT_M4 0xc +#define CCI5xx_PORT_M5 0xd + +#define CCI5xx_PORT_GLOBAL 0xf + +#define CCI5xx_PMU_EVENT_MASK 0x1ffUL +#define CCI5xx_PMU_EVENT_SOURCE_SHIFT 0x5 +#define CCI5xx_PMU_EVENT_SOURCE_MASK 0xf +#define CCI5xx_PMU_EVENT_CODE_SHIFT 0x0 +#define CCI5xx_PMU_EVENT_CODE_MASK 0x1f + +#define CCI5xx_PMU_EVENT_SOURCE(event) \ + ((event >> CCI5xx_PMU_EVENT_SOURCE_SHIFT) & CCI5xx_PMU_EVENT_SOURCE_MASK) +#define CCI5xx_PMU_EVENT_CODE(event) \ + ((event >> CCI5xx_PMU_EVENT_CODE_SHIFT) & CCI5xx_PMU_EVENT_CODE_MASK) + +#define CCI5xx_SLAVE_PORT_MIN_EV 0x00 +#define CCI5xx_SLAVE_PORT_MAX_EV 0x1f +#define CCI5xx_MASTER_PORT_MIN_EV 0x00 +#define CCI5xx_MASTER_PORT_MAX_EV 0x06 +#define CCI5xx_GLOBAL_PORT_MIN_EV 0x00 +#define CCI5xx_GLOBAL_PORT_MAX_EV 0x0f + + +#define CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(_name, _config) \ + CCI_EXT_ATTR_ENTRY(_name, cci5xx_pmu_global_event_show, \ (unsigned long) _config) -static ssize_t cci500_pmu_global_event_show(struct device *dev, +static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct device_attribute *attr, char *buf); -static struct attribute *cci500_pmu_format_attrs[] = { +static struct attribute *cci5xx_pmu_format_attrs[] = { CCI_FORMAT_EXT_ATTR_ENTRY(event, "config:0-4"), CCI_FORMAT_EXT_ATTR_ENTRY(source, "config:5-8"), NULL, }; -static struct attribute *cci500_pmu_event_attrs[] = { +static struct attribute *cci5xx_pmu_event_attrs[] = { /* Slave events */ CCI_EVENT_EXT_ATTR_ENTRY(si_rrq_hs_arvalid, 0x0), CCI_EVENT_EXT_ATTR_ENTRY(si_rrq_dev, 0x1), @@ -537,64 +531,73 @@ static struct attribute *cci500_pmu_event_attrs[] = { CCI_EVENT_EXT_ATTR_ENTRY(mi_w_resp_stall, 0x6), /* Global events */ - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_0_1, 0x0), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_2_3, 0x1), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_4_5, 0x2), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_6_7, 0x3), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_0_1, 0x4), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_2_3, 0x5), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_4_5, 0x6), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_6_7, 0x7), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_back_invalidation, 0x8), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_stall_alloc_busy, 0x9), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_stall_tt_full, 0xA), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_wrq, 0xB), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_cd_hs, 0xC), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_rq_stall_addr_hazard, 0xD), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snopp_rq_stall_tt_full, 0xE), - CCI500_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_rq_tzmp1_prot, 0xF), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_0_1, 0x0), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_2_3, 0x1), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_4_5, 0x2), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_filter_bank_6_7, 0x3), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_0_1, 0x4), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_2_3, 0x5), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_4_5, 0x6), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_access_miss_filter_bank_6_7, 0x7), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_back_invalidation, 0x8), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_stall_alloc_busy, 0x9), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_stall_tt_full, 0xA), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_wrq, 0xB), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_cd_hs, 0xC), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_rq_stall_addr_hazard, 0xD), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snopp_rq_stall_tt_full, 0xE), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_rq_tzmp1_prot, 0xF), NULL }; -static ssize_t cci500_pmu_global_event_show(struct device *dev, +static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* Global events have single fixed source code */ return snprintf(buf, PAGE_SIZE, "event=0x%lx,source=0x%x\n", - (unsigned long)eattr->var, CCI500_PORT_GLOBAL); + (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); } +/* + * CCI500 provides 8 independent event counters that can count + * any of the events available. + * CCI500 PMU event source ids + * 0x0-0x6 - Slave interfaces + * 0x8-0xD - Master interfaces + * 0xf - Global Events + * 0x7,0xe - Reserved + */ static int cci500_validate_hw_event(struct cci_pmu *cci_pmu, unsigned long hw_event) { - u32 ev_source = CCI500_PMU_EVENT_SOURCE(hw_event); - u32 ev_code = CCI500_PMU_EVENT_CODE(hw_event); + u32 ev_source = CCI5xx_PMU_EVENT_SOURCE(hw_event); + u32 ev_code = CCI5xx_PMU_EVENT_CODE(hw_event); int if_type; - if (hw_event & ~CCI500_PMU_EVENT_MASK) + if (hw_event & ~CCI5xx_PMU_EVENT_MASK) return -ENOENT; switch (ev_source) { - case CCI500_PORT_S0: - case CCI500_PORT_S1: - case CCI500_PORT_S2: - case CCI500_PORT_S3: - case CCI500_PORT_S4: - case CCI500_PORT_S5: - case CCI500_PORT_S6: + case CCI5xx_PORT_S0: + case CCI5xx_PORT_S1: + case CCI5xx_PORT_S2: + case CCI5xx_PORT_S3: + case CCI5xx_PORT_S4: + case CCI5xx_PORT_S5: + case CCI5xx_PORT_S6: if_type = CCI_IF_SLAVE; break; - case CCI500_PORT_M0: - case CCI500_PORT_M1: - case CCI500_PORT_M2: - case CCI500_PORT_M3: - case CCI500_PORT_M4: - case CCI500_PORT_M5: + case CCI5xx_PORT_M0: + case CCI5xx_PORT_M1: + case CCI5xx_PORT_M2: + case CCI5xx_PORT_M3: + case CCI5xx_PORT_M4: + case CCI5xx_PORT_M5: if_type = CCI_IF_MASTER; break; - case CCI500_PORT_GLOBAL: + case CCI5xx_PORT_GLOBAL: if_type = CCI_IF_GLOBAL; break; default: @@ -607,7 +610,8 @@ static int cci500_validate_hw_event(struct cci_pmu *cci_pmu, return -ENOENT; } -#endif /* CONFIG_ARM_CCI500_PMU */ + +#endif /* CONFIG_ARM_CCI5xx_PMU */ /* * Program the CCI PMU counters which have PERF_HES_ARCH set @@ -891,7 +895,7 @@ static void pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) __pmu_write_counters(cci_pmu, mask); } -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU /* * CCI-500 has advanced power saving policies, which could gate the @@ -917,12 +921,12 @@ static void pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) * 8) Disable the global PMU. * 9) Restore the status of the rest of the counters. * - * We choose an event which for CCI-500 is guaranteed not to count. + * We choose an event which for CCI-5xx is guaranteed not to count. * We use the highest possible event code (0x1f) for the master interface 0. */ -#define CCI500_INVALID_EVENT ((CCI500_PORT_M0 << CCI500_PMU_EVENT_SOURCE_SHIFT) | \ - (CCI500_PMU_EVENT_CODE_MASK << CCI500_PMU_EVENT_CODE_SHIFT)) -static void cci500_pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) +#define CCI5xx_INVALID_EVENT ((CCI5xx_PORT_M0 << CCI5xx_PMU_EVENT_SOURCE_SHIFT) | \ + (CCI5xx_PMU_EVENT_CODE_MASK << CCI5xx_PMU_EVENT_CODE_SHIFT)) +static void cci5xx_pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) { int i; DECLARE_BITMAP(saved_mask, cci_pmu->num_cntrs); @@ -942,7 +946,7 @@ static void cci500_pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *ma if (WARN_ON(!event)) continue; - pmu_set_event(cci_pmu, i, CCI500_INVALID_EVENT); + pmu_set_event(cci_pmu, i, CCI5xx_INVALID_EVENT); pmu_enable_counter(cci_pmu, i); pmu_write_counter(cci_pmu, local64_read(&event->hw.prev_count), i); pmu_disable_counter(cci_pmu, i); @@ -954,7 +958,7 @@ static void cci500_pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *ma pmu_restore_counters(cci_pmu, saved_mask); } -#endif /* CONFIG_ARM_CCI500_PMU */ +#endif /* CONFIG_ARM_CCI5xx_PMU */ static u64 pmu_event_update(struct perf_event *event) { @@ -1517,30 +1521,30 @@ static struct cci_pmu_model cci_pmu_models[] = { .get_event_idx = cci400_get_event_idx, }, #endif -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU [CCI500_R0] = { .name = "CCI_500", .fixed_hw_cntrs = 0, .num_hw_cntrs = 8, .cntr_size = SZ_64K, - .format_attrs = cci500_pmu_format_attrs, - .event_attrs = cci500_pmu_event_attrs, + .format_attrs = cci5xx_pmu_format_attrs, + .event_attrs = cci5xx_pmu_event_attrs, .event_ranges = { [CCI_IF_SLAVE] = { - CCI500_SLAVE_PORT_MIN_EV, - CCI500_SLAVE_PORT_MAX_EV, + CCI5xx_SLAVE_PORT_MIN_EV, + CCI5xx_SLAVE_PORT_MAX_EV, }, [CCI_IF_MASTER] = { - CCI500_MASTER_PORT_MIN_EV, - CCI500_MASTER_PORT_MAX_EV, + CCI5xx_MASTER_PORT_MIN_EV, + CCI5xx_MASTER_PORT_MAX_EV, }, [CCI_IF_GLOBAL] = { - CCI500_GLOBAL_PORT_MIN_EV, - CCI500_GLOBAL_PORT_MAX_EV, + CCI5xx_GLOBAL_PORT_MIN_EV, + CCI5xx_GLOBAL_PORT_MAX_EV, }, }, .validate_hw_event = cci500_validate_hw_event, - .write_counters = cci500_pmu_write_counters, + .write_counters = cci5xx_pmu_write_counters, }, #endif }; @@ -1560,7 +1564,7 @@ static const struct of_device_id arm_cci_pmu_matches[] = { .data = &cci_pmu_models[CCI400_R1], }, #endif -#ifdef CONFIG_ARM_CCI500_PMU +#ifdef CONFIG_ARM_CCI5xx_PMU { .compatible = "arm,cci-500-pmu,r0", .data = &cci_pmu_models[CCI500_R0], |