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From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 08/28] coresight: etmv4: Fix ETMv4x peripheral ID table
Date: Thu, 25 Aug 2016 15:18:58 -0600	[thread overview]
Message-ID: <1472159958-5981-9-git-send-email-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <1472159958-5981-1-git-send-email-mathieu.poirier@linaro.org>

From: Suzuki K Poulose <suzuki.poulose@arm.com>

This patch cleans up the peripheral id table for different ETMv4
implementations.

As per Cortex-A53 TRM, the ETM has following id values:

Peripheral ID0	0x5D	0xFE0
Peripheral ID1	0xB9	0xFE4
Peripheral ID2	0x4B	0xFE8
Peripheral ID3	0x00	0xFEC

where, PID2: has the following format:

[7:4]   Revision
[3]     JEDEC   0b1     res1. Indicates a JEP106 identity code is used
[2:0]   DES_1   0b011   ARM Limited. This is bits[6:4] of JEP106 ID code

The existing table entry checks only the bits [1:0], which is not
sufficient enough. Fix it to match bits [3:0], just like the other
entries do. While at it, correct the comment for A57 and the A53 entry.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
 drivers/hwtracing/coresight/coresight-etm4x.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index 17e2e81d2e90..bc5ed207a3b5 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -812,12 +812,12 @@ err_arch_supported:
 }
 
 static struct amba_id etm4_ids[] = {
-	{       /* ETM 4.0 - Qualcomm */
-		.id	= 0x0003b95d,
-		.mask	= 0x0003ffff,
+	{       /* ETM 4.0 - Cortex-A53  */
+		.id	= 0x000bb95d,
+		.mask	= 0x000fffff,
 		.data	= "ETM 4.0",
 	},
-	{       /* ETM 4.0 - Juno board */
+	{       /* ETM 4.0 - Cortex-A57 */
 		.id	= 0x000bb95e,
 		.mask	= 0x000fffff,
 		.data	= "ETM 4.0",
-- 
2.7.4

  parent reply	other threads:[~2016-08-25 21:27 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-25 21:18 [PATCH 00/28] coresight: next v4.8-rc3 Mathieu Poirier
2016-08-25 21:18 ` [PATCH 01/28] coresight: access conn->child_name only if it's initialised Mathieu Poirier
2016-08-25 21:18 ` [PATCH 02/28] coresight-stm: support mmapping channel regions with mmio_addr Mathieu Poirier
2016-08-25 21:18 ` [PATCH 03/28] coresight: always use stashed trace id value in etm4_trace_id Mathieu Poirier
2016-08-25 21:18 ` [PATCH 04/28] coresight: Remove erroneous dma_free_coherent in tmc_probe Mathieu Poirier
2016-08-25 21:18 ` [PATCH 05/28] coresight: Consolidate error handling path for tmc_probe Mathieu Poirier
2016-08-25 21:18 ` [PATCH 06/28] coresight: Fix csdev connections initialisation Mathieu Poirier
2016-08-25 21:18 ` [PATCH 07/28] coresight: tmc: Limit the trace to available data Mathieu Poirier
2016-08-25 21:18 ` Mathieu Poirier [this message]
2016-08-25 21:18 ` [PATCH 09/28] coresight: Cleanup TMC status check Mathieu Poirier
2016-08-25 21:19 ` [PATCH 10/28] coresight: Add better messages for coresight_timeout Mathieu Poirier
2016-08-25 21:19 ` [PATCH 11/28] coresight: delay initialisation when children are missing Mathieu Poirier
2016-08-25 21:19 ` [PATCH 12/28] coresight: add PM runtime calls to coresight_simple_func() Mathieu Poirier
2016-08-25 21:19 ` [PATCH 13/28] coresight-etm3x: Add ARM ETM 3.5 Cortex-A5 peripheral ID Mathieu Poirier
2016-08-25 21:19 ` [PATCH 14/28] hwtracing: coresight: of_coresight: add missing of_node_put after calling of_parse_phandle Mathieu Poirier
2016-08-25 21:19 ` [PATCH 15/28] coresight: Use local coresight_desc instances Mathieu Poirier
2016-08-25 21:19 ` [PATCH 16/28] coresight: etm4x: remove duplicated include from coresight-etm4x.c Mathieu Poirier
2016-08-25 21:19 ` [PATCH 17/28] coresight: tmc: Delete an unnecessary check before the function call "kfree" Mathieu Poirier
2016-08-25 21:19 ` [PATCH 18/28] coresight: etm4x: request to retain power to the trace unit when active Mathieu Poirier
2016-08-25 21:19 ` [PATCH 19/28] coresight: fix handling of ETM trace register access via sysfs Mathieu Poirier
2016-08-25 21:19 ` [PATCH 20/28] coresight: etm-perf: pass struct perf_event to source::enable/disable() Mathieu Poirier
2016-08-25 21:19 ` [PATCH 21/28] coresight: remove duplicated enumeration Mathieu Poirier
2016-08-25 21:19 ` [PATCH 22/28] coresight: etm-perf: configuring filters from perf core Mathieu Poirier
2016-08-25 21:19 ` [PATCH 23/28] coresight: etm4x: split default and filter configuration Mathieu Poirier
2016-08-25 21:19 ` [PATCH 24/28] coresight: etm4x: cleaning up default " Mathieu Poirier
2016-08-25 21:19 ` [PATCH 25/28] coresight: etm4x: adding range filter configuration function Mathieu Poirier
2016-08-25 21:19 ` [PATCH 26/28] coresight: etm4x: configuring include/exclude function Mathieu Poirier
2016-08-25 21:19 ` [PATCH 27/28] coresight: etm4x: adding configurable address range filtering Mathieu Poirier
2016-08-25 21:19 ` [PATCH 28/28] coresight: etm4x: adding configurable start/stop filtering Mathieu Poirier
2016-08-31 11:08 ` [PATCH 00/28] coresight: next v4.8-rc3 Greg KH

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