On 07.08.2014 20:21, mathieu.poirier at linaro.org wrote:

From: Pratik Patel <redacted>

This driver manages CoreSight ETM (Embedded Trace Macrocell) that
supports processor tracing. Currently supported version are ARM
ETMv3.x and PTM1.x.

Signed-off-by: Pratik Patel <redacted>
Signed-off-by: Panchaxari Prasannamurthy <redacted>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---

...

+static struct amba_id etm_ids[] = {
+	{	/* ETM 3.3 */
+		.id	= 0x0003b921,
+		.mask	= 0x0003ffff,
+	},
+	{	/* ETM 3.5 */
+		.id	= 0x0003b956,
+		.mask	= 0x0003ffff,
+	},
+	{	/* PTM */
+		.id	= 0x0003b95f,
+		.mask	= 0x0003ffff,
+	},
+	{ 0, 0},

Maybe you like to add PTM 1.0 [1] here, too?

Best regards

Dirk

[1]

diff --git a/drivers/coresight/coresight-etm.c 

b/drivers/coresight/coresight-etm.c
index 6f5dbc7..a7a08e6 100644

--- a/drivers/coresight/coresight-etm.c
+++ b/drivers/coresight/coresight-etm.c

@@ -1284,6 +1284,8 @@ static bool etm_arch_supported(u8 arch)
  		break;
  	case ETM_ARCH_V3_5:
  		break;
+	case PFT_ARCH_V1_0:
+		break;
  	case PFT_ARCH_V1_1:
  		break;
  	default:

@@ -1418,6 +1420,7 @@ static int etm_probe(struct amba_device *adev, 

const struct amba_id *id)
  	put_online_cpus();

  	if (etm_arch_supported(drvdata->arch) == false) {
+		dev_err(dev, "ETM arch 0x%02x not supported\n", drvdata->arch);
  		ret = -EINVAL;
  		goto err_arch_supported;
  	}

@@ -1472,11 +1475,15 @@ static struct amba_id etm_ids[] = {
  		.id	= 0x0003b921,
  		.mask	= 0x0003ffff,
  	},
+	{	/* PTM 1.0 */
+		.id	= 0x0003b950,
+		.mask	= 0x0003ffff,
+	},
  	{	/* ETM 3.5 */
  		.id	= 0x0003b956,
  		.mask	= 0x0003ffff,
  	},
-	{	/* PTM */
+	{	/* PTM 1.1 */
  		.id	= 0x0003b95f,
  		.mask	= 0x0003ffff,
  	},

diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index a19420e..596ec94 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h

@@ -32,6 +32,7 @@

  #define ETM_ARCH_V3_3		(0x23)
  #define ETM_ARCH_V3_5		(0x25)
+#define PFT_ARCH_V1_0		(0x30)
  #define PFT_ARCH_V1_1		(0x31)

  #define CORESIGHT_UNLOCK	(0xC5ACCE55)