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From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: coresight@lists.linaro.org, mathieu.poirier@linaro.org,
	mike.leach@linaro.org, leo.yan@linaro.org,
	Anshuman.Khandual@arm.com,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	devicetree@vger.kernel.org, Rob Herring <robh@kernel.org>
Subject: [PATCH 19/19] dts: bindings: coresight: ETMv4.4 system register access only units
Date: Fri, 11 Sep 2020 09:41:19 +0100	[thread overview]
Message-ID: <20200911084119.1080694-20-suzuki.poulose@arm.com> (raw)
In-Reply-To: <20200911084119.1080694-1-suzuki.poulose@arm.com>

Document the bindings for ETMv4.4 and later with only system register
access.

Cc: devicetree@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676b4a51..cfe47bdda728 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,13 @@ its hardware characteristcs.
 					Program Flow Trace Macrocell:
 			"arm,coresight-etm3x", "arm,primecell";
 
-		- Embedded Trace Macrocell (version 4.x):
+		- Embedded Trace Macrocell (version 4.x), with memory mapped access.
 			"arm,coresight-etm4x", "arm,primecell";
 
+		- Embedded Trace Macrocell (version 4.4 and later) with system
+		  register access only.
+			"arm,coresight-etm-v4.4";
+
 		- Coresight programmable Replicator :
 			"arm,coresight-dynamic-replicator", "arm,primecell";
 
-- 
2.24.1


WARNING: multiple messages have this Message-ID (diff)
From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org, mathieu.poirier@linaro.org,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	coresight@lists.linaro.org, Anshuman.Khandual@arm.com,
	leo.yan@linaro.org, Rob Herring <robh@kernel.org>,
	mike.leach@linaro.org
Subject: [PATCH 19/19] dts: bindings: coresight: ETMv4.4 system register access only units
Date: Fri, 11 Sep 2020 09:41:19 +0100	[thread overview]
Message-ID: <20200911084119.1080694-20-suzuki.poulose@arm.com> (raw)
In-Reply-To: <20200911084119.1080694-1-suzuki.poulose@arm.com>

Document the bindings for ETMv4.4 and later with only system register
access.

Cc: devicetree@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676b4a51..cfe47bdda728 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,13 @@ its hardware characteristcs.
 					Program Flow Trace Macrocell:
 			"arm,coresight-etm3x", "arm,primecell";
 
-		- Embedded Trace Macrocell (version 4.x):
+		- Embedded Trace Macrocell (version 4.x), with memory mapped access.
 			"arm,coresight-etm4x", "arm,primecell";
 
+		- Embedded Trace Macrocell (version 4.4 and later) with system
+		  register access only.
+			"arm,coresight-etm-v4.4";
+
 		- Coresight programmable Replicator :
 			"arm,coresight-dynamic-replicator", "arm,primecell";
 
-- 
2.24.1


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  parent reply	other threads:[~2020-09-11  8:41 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-11  8:41 [PATCH 00/19] coresight: Support for ETMv4.4 system instructions Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 01/19] coresight: Introduce device access abstraction Suzuki K Poulose
2020-09-18 15:33   ` Mike Leach
2020-09-11  8:41 ` [PATCH 02/19] coresight: tpiu: Prepare for using coresight " Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 03/19] coresight: Convert coresight_timeout to use " Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 04/19] coresight: Convert claim/disclaim operations to use access wrappers Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 05/19] coresight: Use device access layer for Software lock/unlock operations Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-18 15:52     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 06/19] coresight: etm4x: Always read the registers on the host CPU Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 07/19] coresight: etm4x: Convert all register accesses Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 08/19] coresight: etm4x: Add commentary on the registers Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 09/19] coresight: etm4x: Add sysreg access helpers Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-11  8:41 ` [PATCH 10/19] coresight: etm4x: Define DEVARCH register fields Suzuki K Poulose
2020-09-18 15:34   ` Mike Leach
2020-09-22 10:20     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 11/19] coresight: etm4x: Check for OS and Software Lock Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-22 10:44     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 12/19] coresight: etm4x: Cleanup secure exception level masks Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-22 10:55     ` Suzuki K Poulose
2020-09-22 12:47       ` Mike Leach
2020-09-30 10:32         ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 13/19] coresight: etm4x: Clean up " Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-22 10:59     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 14/19] coresight: etm4x: Detect access early on the target CPU Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 15/19] coresight: etm4x: Use TRCDEVARCH for component discovery Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-22 11:18     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 16/19] coresight: etm4x: Detect system instructions support Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-22 11:59     ` Suzuki K Poulose
2020-09-11  8:41 ` [PATCH 17/19] coresight: etm4x: Refactor probing routine Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-11  8:41 ` [PATCH 18/19] coresight: etm4x: Add support for sysreg only devices Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-23 11:52     ` Suzuki K Poulose
2020-09-23 16:55       ` Mike Leach
2020-09-11  8:41 ` Suzuki K Poulose [this message]
2020-09-11  8:41   ` [PATCH 19/19] dts: bindings: coresight: ETMv4.4 system register access only units Suzuki K Poulose
2020-09-18 15:35   ` Mike Leach
2020-09-18 15:35     ` Mike Leach
2020-09-24  9:48     ` Suzuki K Poulose
2020-09-24  9:48       ` Suzuki K Poulose
2020-09-24 10:08       ` Mike Leach
2020-09-24 10:08         ` Mike Leach
2020-09-18 15:33 ` [PATCH 00/19] coresight: Support for ETMv4.4 system instructions Mike Leach
2020-09-25  9:55   ` Suzuki K Poulose
2020-09-29 16:42     ` Mike Leach

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