TRACE_NOC_CTRL
writel(0x0, drvdata->base + TRACE_NOC_CTRL);
writel(TRACE_NOC_CTRL_PORTEN, drvdata->base + TRACE_NOC_CTRL);
val = readl_relaxed(drvdata->base + TRACE_NOC_CTRL);
writel(val, drvdata->base + TRACE_NOC_CTRL);