diff options
Diffstat (limited to 'drivers/perf')
| -rw-r--r-- | drivers/perf/fsl_imx9_ddr_perf.c | 89 |
1 files changed, 86 insertions, 3 deletions
diff --git a/drivers/perf/fsl_imx9_ddr_perf.c b/drivers/perf/fsl_imx9_ddr_perf.c index 7b43b54920da..69f920b1caf2 100644 --- a/drivers/perf/fsl_imx9_ddr_perf.c +++ b/drivers/perf/fsl_imx9_ddr_perf.c @@ -17,9 +17,19 @@ #define MX93_PMCFG1_RD_BT_FILT_EN BIT(29) #define MX93_PMCFG1_ID_MASK GENMASK(17, 0) +#define MX95_PMCFG1_WR_BEAT_FILT_EN BIT(31) +#define MX95_PMCFG1_RD_BEAT_FILT_EN BIT(30) + #define PMCFG2 0x04 #define MX93_PMCFG2_ID GENMASK(17, 0) +#define PMCFG3 0x08 +#define PMCFG4 0x0C +#define PMCFG5 0x10 +#define PMCFG6 0x14 +#define MX95_PMCFG_ID_MASK GENMASK(9, 0) +#define MX95_PMCFG_ID GENMASK(25, 16) + /* Global control register affects all counters and takes priority over local control registers */ #define PMGC0 0x40 /* Global control register bits */ @@ -75,13 +85,23 @@ static const struct imx_ddr_devtype_data imx93_devtype_data = { .identifier = "imx93", }; +static const struct imx_ddr_devtype_data imx95_devtype_data = { + .identifier = "imx95", +}; + static inline bool is_imx93(struct ddr_pmu *pmu) { return pmu->devtype_data == &imx93_devtype_data; } +static inline bool is_imx95(struct ddr_pmu *pmu) +{ + return pmu->devtype_data == &imx95_devtype_data; +} + static const struct of_device_id imx_ddr_pmu_dt_ids[] = { - {.compatible = "fsl,imx93-ddr-pmu", .data = &imx93_devtype_data}, + { .compatible = "fsl,imx93-ddr-pmu", .data = &imx93_devtype_data }, + { .compatible = "fsl,imx95-ddr-pmu", .data = &imx95_devtype_data }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, imx_ddr_pmu_dt_ids); @@ -158,6 +178,9 @@ static ssize_t ddr_pmu_event_show(struct device *dev, #define IMX93_DDR_PMU_EVENT_ATTR(_name, _id) \ DDR_PMU_EVENT_ATTR_COMM(_name, _id, &imx93_devtype_data) +#define IMX95_DDR_PMU_EVENT_ATTR(_name, _id) \ + DDR_PMU_EVENT_ATTR_COMM(_name, _id, &imx95_devtype_data) + static struct attribute *ddr_perf_events_attrs[] = { /* counter0 cycles event */ IMX9_DDR_PMU_EVENT_ATTR(cycles, 0), @@ -204,6 +227,7 @@ static struct attribute *ddr_perf_events_attrs[] = { IMX9_DDR_PMU_EVENT_ATTR(ddrc_ld_wiq_7, ID(2, 71)), IMX9_DDR_PMU_EVENT_ATTR(eddrtq_pmon_empty, ID(2, 72)), IMX93_DDR_PMU_EVENT_ATTR(eddrtq_pm_rd_trans_filt, ID(2, 73)), /* imx93 specific*/ + IMX95_DDR_PMU_EVENT_ATTR(eddrtq_pm_wr_beat_filt, ID(2, 73)), /* imx95 specific*/ /* counter3 specific events */ IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_row_collision_0, ID(3, 64)), @@ -216,6 +240,7 @@ static struct attribute *ddr_perf_events_attrs[] = { IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_row_collision_7, ID(3, 71)), IMX9_DDR_PMU_EVENT_ATTR(eddrtq_pmon_full, ID(3, 72)), IMX93_DDR_PMU_EVENT_ATTR(eddrtq_pm_wr_trans_filt, ID(3, 73)), /* imx93 specific*/ + IMX95_DDR_PMU_EVENT_ATTR(eddrtq_pm_rd_beat_filt2, ID(3, 73)), /* imx95 specific*/ /* counter4 specific events */ IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_row_open_0, ID(4, 64)), @@ -228,6 +253,7 @@ static struct attribute *ddr_perf_events_attrs[] = { IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_row_open_7, ID(4, 71)), IMX9_DDR_PMU_EVENT_ATTR(eddrtq_pmon_ld_rdq2_rmw, ID(4, 72)), IMX93_DDR_PMU_EVENT_ATTR(eddrtq_pm_rd_beat_filt, ID(4, 73)), /* imx93 specific*/ + IMX95_DDR_PMU_EVENT_ATTR(eddrtq_pm_rd_beat_filt1, ID(4, 73)), /* imx95 specific*/ /* counter5 specific events */ IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_valid_start_0, ID(5, 64)), @@ -239,6 +265,7 @@ static struct attribute *ddr_perf_events_attrs[] = { IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_valid_start_6, ID(5, 70)), IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_valid_start_7, ID(5, 71)), IMX9_DDR_PMU_EVENT_ATTR(eddrtq_pmon_ld_rdq1, ID(5, 72)), + IMX95_DDR_PMU_EVENT_ATTR(eddrtq_pm_rd_beat_filt0, ID(5, 73)), /* imx95 specific*/ /* counter6 specific events */ IMX9_DDR_PMU_EVENT_ATTR(ddrc_qx_valid_end_0, ID(6, 64)), @@ -432,6 +459,57 @@ static void imx93_ddr_perf_monitor_config(struct ddr_pmu *pmu, int event, writel_relaxed(pmcfg2, pmu->base + PMCFG2); } +static void imx95_ddr_perf_monitor_config(struct ddr_pmu *pmu, int event, + int counter, int axi_id, int axi_mask) +{ + u32 pmcfg1, pmcfg, offset = 0; + + pmcfg1 = readl_relaxed(pmu->base + PMCFG1); + + if (event == 73) { + switch (counter) { + case 2: + pmcfg1 |= MX95_PMCFG1_WR_BEAT_FILT_EN; + offset = PMCFG3; + break; + case 3: + pmcfg1 |= MX95_PMCFG1_RD_BEAT_FILT_EN; + offset = PMCFG4; + break; + case 4: + pmcfg1 |= MX95_PMCFG1_RD_BEAT_FILT_EN; + offset = PMCFG5; + break; + case 5: + pmcfg1 |= MX95_PMCFG1_RD_BEAT_FILT_EN; + offset = PMCFG6; + break; + } + } else { + switch (counter) { + case 2: + pmcfg1 &= ~MX95_PMCFG1_WR_BEAT_FILT_EN; + break; + case 3: + case 4: + case 5: + pmcfg1 &= ~MX95_PMCFG1_RD_BEAT_FILT_EN; + break; + } + } + + writel_relaxed(pmcfg1, pmu->base + PMCFG1); + + if (offset) { + pmcfg = readl_relaxed(pmu->base + offset); + pmcfg &= ~(FIELD_PREP(MX95_PMCFG_ID_MASK, 0x3FF) | + FIELD_PREP(MX95_PMCFG_ID, 0x3FF)); + pmcfg |= (FIELD_PREP(MX95_PMCFG_ID_MASK, axi_mask) | + FIELD_PREP(MX95_PMCFG_ID, axi_id)); + writel_relaxed(pmcfg, pmu->base + offset); + } +} + static void ddr_perf_event_update(struct perf_event *event) { struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); @@ -541,8 +619,13 @@ static int ddr_perf_event_add(struct perf_event *event, int flags) hwc->idx = counter; hwc->state |= PERF_HES_STOPPED; - /* read trans, write trans, read beat */ - imx93_ddr_perf_monitor_config(pmu, event_id, counter, cfg1, cfg2); + if (is_imx93(pmu)) + /* read trans, write trans, read beat */ + imx93_ddr_perf_monitor_config(pmu, event_id, counter, cfg1, cfg2); + + if (is_imx95(pmu)) + /* write beat, read beat2, read beat1, read beat */ + imx95_ddr_perf_monitor_config(pmu, event_id, counter, cfg1, cfg2); if (flags & PERF_EF_START) ddr_perf_event_start(event, flags); |