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Merge "coresight: csr: update timestamp related registers offset"

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qctecmdr 2020-12-15 01:48:34 -08:00 • committed by Gerrit - the friendly Code Review server
commit 93b3ef7d0e
1 changed files with 17 additions and 5 deletions
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22
drivers/hwtracing/coresight/coresight-csr.c
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@ -91,6 +91,7 @@ struct csr_drvdata {
bool timestamp_support;
bool enable_flush;
bool msr_support;
bool aodbg_csr_support;
};
DEFINE_CORESIGHT_DEVLIST(csr_devs, "csr");
@ -322,6 +323,7 @@ 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);
@ -330,6 +332,9 @@ 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;
@ -337,16 +342,16 @@ 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);
@ -588,6 +593,13 @@ 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;
drvdata->msr_support = of_property_read_bool(pdev->dev.of_node,