@@ -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);