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coresight: add CTI driver support in upstream implementation

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Add CTI driver in upstream implementation of Coresight driver.

This change copies drivers/coresight/coresight-cti.c (commit :
c155168578a793cafa0c41132554ac5af94926f1) to driver/hwtracing/coresight
directory.

Change-Id: I4b4b23755c36254d94bd6698b46f15da19c30712
Signed-off-by: Shashank Mittal <mittals@codeaurora.org>
This commit is contained in:
Shashank Mittal 2016-02-16 15:01:52 -08:00 • committed by David Keitel
parent 7d151e606e
commit 3a727d709c
4 changed files with 1577 additions and 0 deletions
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8
drivers/hwtracing/coresight/Kconfig
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@ -95,4 +95,12 @@ config CORESIGHT_STM
instrumentation based tracing. This is primarily useful for
logging useful software events or data.
config CORESIGHT_CTI
bool "CoreSight Cross Trigger Interface driver"
help
This driver provides support for Cross Trigger Interface that is
used to input or output i.e. pass cross trigger events from one
hardware component to another. It can also be used to pass
software generated events.
endif

1
drivers/hwtracing/coresight/Makefile
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@ -13,3 +13,4 @@ obj-$(CONFIG_CORESIGHT_SOURCE_ETM3X) += coresight-etm3x.o coresight-etm-cp14.o
obj-$(CONFIG_CORESIGHT_SOURCE_ETM4X) += coresight-etm4x.o
obj-$(CONFIG_CORESIGHT_QCOM_REPLICATOR) += coresight-replicator-qcom.o
obj-$(CONFIG_CORESIGHT_STM) += coresight-stm.o
obj-$(CONFIG_CORESIGHT_CTI) += coresight-cti.o

1567
drivers/hwtracing/coresight/coresight-cti.c Normal file
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File diff suppressed because it is too large Load diff

1
drivers/hwtracing/coresight/coresight-priv.h
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@ -32,6 +32,7 @@
#define CORESIGHT_DEVTYPE 0xfcc
#define TIMEOUT_US 100
#define BM(lsb, msb) ((BIT(msb) - BIT(lsb)) + BIT(msb))
#define BMVAL(val, lsb, msb) ((val & GENMASK(msb, lsb)) >> lsb)
#define BVAL(val, n) ((val & BIT(n)) >> n)