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Commit b8e4750d authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "coresight: csr: update timestamp related registers offset"

parents 356cf47c dfd8babe

drivers/hwtracing/coresight/coresight-csr.c

+17 −5
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ struct csr_drvdata { 
	bool			set_byte_cntr_support;

	bool			timestamp_support;

	bool			enable_flush;

	bool			aodbg_csr_support;

};



static LIST_HEAD(csr_list);
@@ -297,6 +298,7 @@ static ssize_t timestamp_show(struct device *dev, 
	uint32_t val, time_val0, time_val1;

	int ret;

	unsigned long flags;

	unsigned long csr_ts_offset = 0;



	struct csr_drvdata *drvdata = dev_get_drvdata(dev->parent);
@@ -305,6 +307,9 @@ static ssize_t timestamp_show(struct device *dev, 
		return 0;

	}



	if (drvdata->aodbg_csr_support)

		csr_ts_offset = 0x14;



	ret = clk_prepare_enable(drvdata->clk);

	if (ret)

		return ret;
@@ -312,16 +317,16 @@ static ssize_t timestamp_show(struct device *dev, 
	spin_lock_irqsave(&drvdata->spin_lock, flags);

	CSR_UNLOCK(drvdata);



	val = csr_readl(drvdata, CSR_TIMESTAMPCTRL);

	val = csr_readl(drvdata, CSR_TIMESTAMPCTRL - csr_ts_offset);



	val  = val & ~BIT(0);

	csr_writel(drvdata, val, CSR_TIMESTAMPCTRL);

	csr_writel(drvdata, val, CSR_TIMESTAMPCTRL - csr_ts_offset);



	val  = val | BIT(0);

	csr_writel(drvdata, val, CSR_TIMESTAMPCTRL);

	csr_writel(drvdata, val, CSR_TIMESTAMPCTRL - csr_ts_offset);



	time_val0 = csr_readl(drvdata, CSR_QDSSTIMEVAL0);

	time_val1 = csr_readl(drvdata, CSR_QDSSTIMEVAL1);

	time_val0 = csr_readl(drvdata, CSR_QDSSTIMEVAL0 - csr_ts_offset);

	time_val1 = csr_readl(drvdata, CSR_QDSSTIMEVAL1 - csr_ts_offset);



	CSR_LOCK(drvdata);

	spin_unlock_irqrestore(&drvdata->spin_lock, flags);
@@ -468,6 +473,13 @@ static int csr_probe(struct platform_device *pdev) 
	else

		dev_dbg(dev, "timestamp_support operation supported\n");



	drvdata->aodbg_csr_support = of_property_read_bool(pdev->dev.of_node,

						"qcom,aodbg-csr-support");

	if (!drvdata->aodbg_csr_support)

		dev_dbg(dev, "aodbg_csr_support operation not supported\n");

	else

		dev_dbg(dev, "aodbg_csr_support operation supported\n");



	if (drvdata->usb_bam_support)

		drvdata->flushperiod = FLUSHPERIOD_2048;