| Message ID | 20231023004100.2663486-11-peterlin@andestech.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support Andes PMU extension | expand |
On Mon, Oct 23, 2023 at 08:40:57AM +0800, Yu Chien Peter Lin wrote: > Document the ISA string for Andes Technology performance monitor > extension which provides counter overflow interrupt and mode > filtering mechanisms. > > Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> > --- > Changes v2 -> v3: > - New patch > --- > Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml > index 5e9291d258d5..e0694e2adbc2 100644 > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml > @@ -246,6 +246,13 @@ properties: > in commit 2e5236 ("Ztso is now ratified.") of the > riscv-isa-manual. > > + - const: xandespmu > + description: > + The Andes Technology performance monitor extension for counter overflow > + and privilege mode filtering. For more details, see Counter Related > + Registers in the AX45MP datasheet. > + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf Does/will this PMU function identically on the other CPUs that support it? I assume the answer is yes. Cheers, Conor. > + > - const: xtheadpmu > description: > The T-Head performance monitor extension for counter overflow. For more > -- > 2.34.1 >
Hi Conor, On Mon, Oct 23, 2023 at 01:03:53PM +0100, Conor Dooley wrote: > On Mon, Oct 23, 2023 at 08:40:57AM +0800, Yu Chien Peter Lin wrote: > > Document the ISA string for Andes Technology performance monitor > > extension which provides counter overflow interrupt and mode > > filtering mechanisms. > > > > Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> > > --- > > Changes v2 -> v3: > > - New patch > > --- > > Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml > > index 5e9291d258d5..e0694e2adbc2 100644 > > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml > > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml > > @@ -246,6 +246,13 @@ properties: > > in commit 2e5236 ("Ztso is now ratified.") of the > > riscv-isa-manual. > > > > + - const: xandespmu > > + description: > > + The Andes Technology performance monitor extension for counter overflow > > + and privilege mode filtering. For more details, see Counter Related > > + Registers in the AX45MP datasheet. > > + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf > > Does/will this PMU function identically on the other CPUs that support it? Yes, I can confirm that. Thanks for the review. Best regards, Peter Lin > I assume the answer is yes. > > Cheers, > Conor. > > > + > > - const: xtheadpmu > > description: > > The T-Head performance monitor extension for counter overflow. For more > > -- > > 2.34.1 > >
On Thu, Oct 26, 2023 at 04:22:22PM +0800, Yu-Chien Peter Lin wrote: > Hi Conor, > > On Mon, Oct 23, 2023 at 01:03:53PM +0100, Conor Dooley wrote: > > On Mon, Oct 23, 2023 at 08:40:57AM +0800, Yu Chien Peter Lin wrote: > > > Document the ISA string for Andes Technology performance monitor > > > extension which provides counter overflow interrupt and mode > > > filtering mechanisms. > > > > > > Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> > > > --- > > > Changes v2 -> v3: > > > - New patch > > > --- > > > Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++ > > > 1 file changed, 7 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml > > > index 5e9291d258d5..e0694e2adbc2 100644 > > > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml > > > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml > > > @@ -246,6 +246,13 @@ properties: > > > in commit 2e5236 ("Ztso is now ratified.") of the > > > riscv-isa-manual. > > > > > > + - const: xandespmu > > > + description: > > > + The Andes Technology performance monitor extension for counter overflow > > > + and privilege mode filtering. For more details, see Counter Related > > > + Registers in the AX45MP datasheet. > > > + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf > > > > Does/will this PMU function identically on the other CPUs that support it? > > Yes, I can confirm that. If there's a more generic document available, that'd be good. Otherwise, Acked-by: Conor Dooley <conor.dooley@microchip.com> Thanks, Conor.
On Thu, Oct 26, 2023 at 03:09:30PM +0100, Conor Dooley wrote: > On Thu, Oct 26, 2023 at 04:22:22PM +0800, Yu-Chien Peter Lin wrote: > > Hi Conor, > > > > On Mon, Oct 23, 2023 at 01:03:53PM +0100, Conor Dooley wrote: > > > On Mon, Oct 23, 2023 at 08:40:57AM +0800, Yu Chien Peter Lin wrote: > > > > Document the ISA string for Andes Technology performance monitor > > > > extension which provides counter overflow interrupt and mode > > > > filtering mechanisms. > > > > > > > > Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> > > > > --- > > > > Changes v2 -> v3: > > > > - New patch > > > > --- > > > > Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++ > > > > 1 file changed, 7 insertions(+) > > > > > > > > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml > > > > index 5e9291d258d5..e0694e2adbc2 100644 > > > > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml > > > > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml > > > > @@ -246,6 +246,13 @@ properties: > > > > in commit 2e5236 ("Ztso is now ratified.") of the > > > > riscv-isa-manual. > > > > > > > > + - const: xandespmu > > > > + description: > > > > + The Andes Technology performance monitor extension for counter overflow > > > > + and privilege mode filtering. For more details, see Counter Related > > > > + Registers in the AX45MP datasheet. > > > > + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf > > > > > > Does/will this PMU function identically on the other CPUs that support it? > > > > Yes, I can confirm that. > > If there's a more generic document available, that'd be good. While it is currently the most comprehensive and publicly available document we have, I will update it here once I obtain a more specific version of the extension. > Otherwise, > Acked-by: Conor Dooley <conor.dooley@microchip.com> Thanks for the review. Regards, Peter Lin > > Thanks, > Conor.
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index 5e9291d258d5..e0694e2adbc2 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -246,6 +246,13 @@ properties: in commit 2e5236 ("Ztso is now ratified.") of the riscv-isa-manual. + - const: xandespmu + description: + The Andes Technology performance monitor extension for counter overflow + and privilege mode filtering. For more details, see Counter Related + Registers in the AX45MP datasheet. + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf + - const: xtheadpmu description: The T-Head performance monitor extension for counter overflow. For more
Document the ISA string for Andes Technology performance monitor extension which provides counter overflow interrupt and mode filtering mechanisms. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> --- Changes v2 -> v3: - New patch --- Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++ 1 file changed, 7 insertions(+)