diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2015-05-13 10:34:21 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 11:11:21 -0700 |
| commit | 5625988e1e21261e20e18a64f275236eb47a9944 (patch) | |
| tree | 9f6a994601e22f043aa51b6a000c65a434ee38bb /drivers/hwtracing | |
| parent | a467dae11d57c60dabf9f85d7691e6ce097fc424 (diff) | |
| download | linux-5625988e1e21261e20e18a64f275236eb47a9944.tar.bz2 | |
coresight-etm4x: Read only access to the tracer's ID registers
ETM ID registers contain valuable information about the capabilities
of the implementation and are very useful when configuring the device for
various trace scenarios.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 0568e4413411..f0b50af4fc30 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -2238,6 +2238,37 @@ static struct attribute *coresight_etmv4_mgmt_attrs[] = { NULL, }; +coresight_simple_func(trcidr0, TRCIDR0); +coresight_simple_func(trcidr1, TRCIDR1); +coresight_simple_func(trcidr2, TRCIDR2); +coresight_simple_func(trcidr3, TRCIDR3); +coresight_simple_func(trcidr4, TRCIDR4); +coresight_simple_func(trcidr5, TRCIDR5); +/* trcidr[6,7] are reserved */ +coresight_simple_func(trcidr8, TRCIDR8); +coresight_simple_func(trcidr9, TRCIDR9); +coresight_simple_func(trcidr10, TRCIDR10); +coresight_simple_func(trcidr11, TRCIDR11); +coresight_simple_func(trcidr12, TRCIDR12); +coresight_simple_func(trcidr13, TRCIDR13); + +static struct attribute *coresight_etmv4_trcidr_attrs[] = { + &dev_attr_trcidr0.attr, + &dev_attr_trcidr1.attr, + &dev_attr_trcidr2.attr, + &dev_attr_trcidr3.attr, + &dev_attr_trcidr4.attr, + &dev_attr_trcidr5.attr, + /* trcidr[6,7] are reserved */ + &dev_attr_trcidr8.attr, + &dev_attr_trcidr9.attr, + &dev_attr_trcidr10.attr, + &dev_attr_trcidr11.attr, + &dev_attr_trcidr12.attr, + &dev_attr_trcidr13.attr, + NULL, +}; + static const struct attribute_group coresight_etmv4_group = { .attrs = coresight_etmv4_attrs, }; @@ -2247,9 +2278,15 @@ static const struct attribute_group coresight_etmv4_mgmt_group = { .name = "mgmt", }; +static const struct attribute_group coresight_etmv4_trcidr_group = { + .attrs = coresight_etmv4_trcidr_attrs, + .name = "trcidr", +}; + static const struct attribute_group *coresight_etmv4_groups[] = { &coresight_etmv4_group, &coresight_etmv4_mgmt_group, + &coresight_etmv4_trcidr_group, NULL, }; |