[PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Rajaganesh Rathinasabapathi]

Document new AMD Onyx BMC board compatibles

Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
---
 Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
index 01333ac111fb..98f92c16e342 100644
--- a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
+++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
@@ -74,6 +74,7 @@ properties:
       - description: AST2600 based boards
         items:
           - enum:
+              - amd,onyx-bmc
               - ampere,mtjefferson-bmc
               - ampere,mtmitchell-bmc
               - aspeed,ast2600-evb
-- 
2.34.1

[PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Rajaganesh Rathinasabapathi]

Add initial device tree and makefile updates for
AMD Onyx platform.

AMD Onyx platform is an AMD customer reference board with an Aspeed
ast2600 BMC manufactured by AMD.
It describes I2C devices, UARTs, MAC, FMC, etc.
present on AMD Onyx platform.

Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
---
Changes since v1:
* Incorporate review comments
* Update commit message
* Remove vmalloc and earlyprintk

Changes since v2:
* Address review comments
* Fix checkpatch warnings
* Remove bootargs
---
 arch/arm/boot/dts/aspeed/Makefile             |   1 +
 .../boot/dts/aspeed/aspeed-bmc-amd-onyx.dts   | 102 ++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts

diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 2e5f4833a073..1e6a130377b8 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-ast2600-evb.dtb \
 	aspeed-bmc-amd-daytonax.dtb \
 	aspeed-bmc-amd-ethanolx.dtb \
+	aspeed-bmc-amd-onyx.dtb \
 	aspeed-bmc-ampere-mtjade.dtb \
 	aspeed-bmc-ampere-mtjefferson.dtb \
 	aspeed-bmc-ampere-mtmitchell.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts
new file mode 100644
index 000000000000..6f3334995398
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2021 - 2024 AMD Inc.
+// Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+	model = "AMD Onyx BMC";
+	compatible = "amd,onyx-bmc", "aspeed,ast2600";
+
+	aliases {
+		serial0 = &uart1;
+		serial4 = &uart5;
+	};
+
+	chosen {
+		stdout-path = serial4:115200n8;
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x80000000>;
+	};
+
+};
+
+&mdio0 {
+	status = "okay";
+	ethphy0: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mac3 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rgmii4_default>;
+};
+
+&fmc {
+	status = "okay";
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		status = "okay";
+		#include "openbmc-flash-layout-128.dtsi"
+	};
+};
+
+//Host Console
+&uart1 {
+	status = "okay";
+};
+
+//BMC Console
+&uart5 {
+	status = "okay";
+};
+
+&gpio0 {
+gpio-line-names =
+	/*A0-A7*/	"","","","","","","","",
+	/*B0-B7*/	"","","","","MON_POST_COMPLETE","P0_PRESENT_L","","",
+	/*C0-C7*/	"","","","","","","","",
+	/*D0-D7*/	"","","","","","","","",
+	/*E0-E7*/	"","","","","","","","",
+	/*F0-F7*/	"","","","","","","","",
+	/*G0-G7*/	"","","","","","","","",
+	/*H0-H7*/	"","ASSERT_WARM_RST_BTN_L","ASSERT_SOC_RST_BTN_L","","","","","",
+	/*I0-I7*/	"","","","","","","","P0_I3C_APML_ALERT_L",
+	/*J0-J7*/	"","","","","","","","",
+	/*K0-K7*/	"","","","","","","","",
+	/*L0-L7*/	"","","","","","","","",
+	/*M0-M7*/	"","","","","","","","",
+	/*N0-N7*/	"","","","","","","PSP_SOFT_FUSE_NOTIFY","ASSERT_BMC_READY",
+	/*O0-O7*/	"","","HDT_SEL","HDT_XTRIG5","HDT_XTRIG6","JTAG_TRST_N","","",
+	/*P0-P7*/	"MON_RST_BTN_L","ASSERT_RST_BTN_L","MON_PWR_BTN_L","ASSERT_PWR_BTN_L",
+					"HPM_FPGA_LOCKOUT","ASSERT_NMI_BTN_L","MON_PWR_GOOD","",
+	/*Q0-Q7*/	"","","HDT_DBREQ_L","","BIOS_SPD_MUX_CTRL_RELEASED_L","","","",
+	/*R0-R7*/	"","","","","","","","",
+	/*S0-S7*/	"","","","","","","P0_DIMM_AF_ERROR","P0_DIMM_GL_ERROR",
+	/*T0-T7*/	"","","","","","","","",
+	/*U0-U7*/	"","","","","","","","",
+	/*V0-V7*/	"","","","","","","","",
+	/*W0-W7*/	"","","","","","","","",
+	/*X0-X7*/	"","","","","","","","",
+	/*Y0-Y7*/	"","","","","","","","",
+	/*Z0-Z7*/	"","","","","","","","";
+};
+
+&i2c7 {
+	status = "okay";
+	mbeeprom@50 {
+		compatible = "atmel,24c256";
+		reg = <0x50>;
+	};
+};
-- 
2.34.1

Re: [PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Krzysztof Kozlowski]

On Mon, Mar 17, 2025 at 11:12:23PM -0500, Rajaganesh Rathinasabapathi wrote:
> Document new AMD Onyx BMC board compatibles
> 
> Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
> ---

Where is the changelog? What happened with this patch between v1 and v3?

Best regards,
Krzysztof

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Krzysztof Kozlowski]

On Mon, Mar 17, 2025 at 11:12:24PM -0500, Rajaganesh Rathinasabapathi wrote:
> +/ {
> +	model = "AMD Onyx BMC";
> +	compatible = "amd,onyx-bmc", "aspeed,ast2600";
> +
> +	aliases {
> +		serial0 = &uart1;
> +		serial4 = &uart5;
> +	};
> +
> +	chosen {
> +		stdout-path = serial4:115200n8;
> +	};
> +
> +	memory@80000000 {
> +		device_type = "memory";
> +		reg = <0x80000000 0x80000000>;
> +	};
> +
> +};

<form letter>
This is a friendly reminder during the review process.

It seems my or other reviewer's previous comments were not fully
addressed. Maybe the feedback got lost between the quotes, maybe you
just forgot to apply it. Please go back to the previous discussion and
either implement all requested changes or keep discussing them.

Thank you.
</form letter>

Best regards,
Krzysztof

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Andrew Lunn]

> +&mac3 {
> +	status = "okay";
> +	phy-mode = "rgmii";

Does the PCB have extra long clock lines to insert the 2ns RGMII
delay? Or are you another victim of aspeeds broken MAC/SCU driver?

       Andrew

Re: [PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Rajaganesh Rathinasabapathi]

On 3/18/25 14:14, Krzysztof Kozlowski wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> 
> 
> On Mon, Mar 17, 2025 at 11:12:23PM -0500, Rajaganesh Rathinasabapathi wrote:
>> Document new AMD Onyx BMC board compatibles
>>
>> Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
>> ---
> 
> Where is the changelog? What happened with this patch between v1 and v3?
> 
> Best regards,
> Krzysztof
> 
Earlier patches did not add dt-binding patch. Added compatibles now in v3.
It was a review comment on earlier dts submission.

Re: [PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Krzysztof Kozlowski]

On 18/03/2025 05:12, Rajaganesh Rathinasabapathi wrote:
> Document new AMD Onyx BMC board compatibles
> 
> Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
> ---
>  Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof

Re: [PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Krzysztof Kozlowski]

On 18/03/2025 17:42, Rajaganesh Rathinasabapathi wrote:
>>
>> Where is the changelog? What happened with this patch between v1 and v3?
>>
>> Best regards,
>> Krzysztof
>>
> Earlier patches did not add dt-binding patch. Added compatibles now in v3.
> It was a review comment on earlier dts submission.


Then your changelog says this is a new patch in the series.

Best regards,
Krzysztof

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Rajaganesh Rathinasabapathi]

On 3/18/25 14:15, Krzysztof Kozlowski wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> 
> 
> On Mon, Mar 17, 2025 at 11:12:24PM -0500, Rajaganesh Rathinasabapathi wrote:
>> +/ {
>> +     model = "AMD Onyx BMC";
>> +     compatible = "amd,onyx-bmc", "aspeed,ast2600";
>> +
>> +     aliases {
>> +             serial0 = &uart1;
>> +             serial4 = &uart5;
>> +     };
>> +
>> +     chosen {
>> +             stdout-path = serial4:115200n8;
>> +     };
>> +
>> +     memory@80000000 {
>> +             device_type = "memory";
>> +             reg = <0x80000000 0x80000000>;
>> +     };
>> +
>> +};
> 
> <form letter>
> This is a friendly reminder during the review process.
> 
> It seems my or other reviewer's previous comments were not fully
> addressed. Maybe the feedback got lost between the quotes, maybe you
> just forgot to apply it. Please go back to the previous discussion and
> either implement all requested changes or keep discussing them.
> 
> Thank you.
> </form letter>
> 
> Best regards,
> Krzysztof
> 

There were two comments. One was to remove bootargs, this is addressed in v3.
Another comment was to add compatibles for amd,onyx-bmc, it part of earlier commit (patch v3 1/2).

Thanks,
Raja

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Rajaganesh Rathinasabapathi]

On 3/18/25 19:38, Andrew Lunn wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> 
> 
>> +&mac3 {
>> +     status = "okay";
>> +     phy-mode = "rgmii";
> 
> Does the PCB have extra long clock lines to insert the 2ns RGMII
> delay? Or are you another victim of aspeeds broken MAC/SCU driver?
> 
>        Andrew
We're following Aspeed SDK and referred other dts based on ast2600.
I assume Aspeed has moved clock delays to u-boot.
Link: https://lore.kernel.org/lkml/SG2PR06MB23150B3673E58737ABB08D51E6139@SG2PR06MB2315.apcprd06.prod.outlook.com/

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Andrew Lunn]

On Tue, Mar 18, 2025 at 10:18:46PM +0530, Rajaganesh Rathinasabapathi wrote:
> On 3/18/25 19:38, Andrew Lunn wrote:
> > Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> > 
> > 
> >> +&mac3 {
> >> +     status = "okay";
> >> +     phy-mode = "rgmii";
> > 
> > Does the PCB have extra long clock lines to insert the 2ns RGMII
> > delay? Or are you another victim of aspeeds broken MAC/SCU driver?
> > 
> >        Andrew
> We're following Aspeed SDK and referred other dts based on ast2600.

Which are all broken.

At the moment, you are joining NVIDIA and IBM waiting for Aspeed to
sort out this mess. Maybe you can apply some pressure...

     Andrew

Re: [PATCH v3 2/2] ARM:dts:aspeed: Initial device tree for AMD Onyx Platform

[Krzysztof Kozlowski]

On 18/03/2025 17:44, Rajaganesh Rathinasabapathi wrote:
>>
>> <form letter>
>> This is a friendly reminder during the review process.
>>
>> It seems my or other reviewer's previous comments were not fully
>> addressed. Maybe the feedback got lost between the quotes, maybe you
>> just forgot to apply it. Please go back to the previous discussion and
>> either implement all requested changes or keep discussing them.
>>
>> Thank you.
>> </form letter>
>>
>> Best regards,
>> Krzysztof
>>
> 
> There were two comments. One was to remove bootargs, this is addressed in v3.
> Another comment was to add compatibles for amd,onyx-bmc, it part of earlier commit (patch v3 1/2).
No, there were more.

Best regards,
Krzysztof

Re: [PATCH v3 1/2] dt-bindings: arm: aspeed: Add AMD Onyx BMC compatible

[Rob Herring (Arm)]

On Mon, 17 Mar 2025 23:12:23 -0500, Rajaganesh Rathinasabapathi wrote:
> Document new AMD Onyx BMC board compatibles
> 
> Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@amd.com>
> ---
>  Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 


My bot found new DTB warnings on the .dts files added or changed in this
series.

Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
are fixed by another series. Ultimately, it is up to the platform
maintainer whether these warnings are acceptable or not. No need to reply
unless the platform maintainer has comments.

If you already ran DT checks and didn't see these error(s), then
make sure dt-schema is up to date:

  pip3 install dtschema --upgrade


New warnings running 'make CHECK_DTBS=y for arch/arm/boot/dts/aspeed/' for 20250318041224.1693323-1-Rajaganesh.Rathinasabapathi@amd.com:

Error: arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts:20.25-31 syntax error
FATAL ERROR: Unable to parse input tree
make[3]: *** [scripts/Makefile.dtbs:131: arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dtb] Error 1
make[2]: *** [scripts/Makefile.build:461: arch/arm/boot/dts/aspeed] Error 2
make[2]: Target 'arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dtb' not remade because of errors.
make[1]: *** [/home/rob/proj/linux-dt-testing/Makefile:1475: aspeed/aspeed-bmc-amd-onyx.dtb] Error 2
arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-spc621d8hm3.dtb: /ahb/apb@1e780000/pwm-tacho-controller@1e786000: failed to match any schema with compatible: ['aspeed,ast2500-pwm-tacho']
make: *** [Makefile:248: __sub-make] Error 2
make: Target 'aspeed/aspeed-bmc-microsoft-olympus.dtb' not remade because of errors.
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make: Target 'aspeed/aspeed-bmc-facebook-minerva.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-facebook-galaxy100.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-facebook-harma.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-inspur-nf5280m6.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-facebook-wedge400.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-arm-stardragon4800-rep2.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-ibm-system1.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-facebook-greatlakes.dtb' not remade because of errors.
make: Target 'aspeed/aspeed-bmc-facebook-tiogapass.dtb' not remade because of errors.