[PATCH u-boot v2019.04-aspeed-openbmc] ARM: dts: aspeed: Add a Romulus board (AST2500)

[Cédric Le Goater]

On 8/4/22 05:55, Joel Stanley wrote:
> Romulus was the OpenPOWER reference platform for the IBM Power9,
> containing an ASPEED AST2500.
> 
> It was designed by IBM and built by SuperMicro. This reference platform
> was sold as the Raptor Computing Systems Tallos II.
> 
> The machine used one 32MB SPI NOR for the BMC, a second SPI NOR flash
> for the host firmware, and the Broadcom BCM5719 attached via NC-SI.
> 
> Signed-off-by: Joel Stanley <joel at jms.id.au>

I have been using a similar patch for a while (QEMU purpose only)

Reviewed-by: Cédric Le Goater <clg at kaod.org>

Which defconfig are you using ?

Thanks,

C.

> ---
>   arch/arm/dts/Makefile            |  1 +
>   arch/arm/dts/ast2500-romulus.dts | 76 ++++++++++++++++++++++++++++++++
>   2 files changed, 77 insertions(+)
>   create mode 100644 arch/arm/dts/ast2500-romulus.dts
> 
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index c1f24a14a615..6c34b8333634 100755
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -679,6 +679,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
>   	ast2400-ahe-50dc.dtb \
>   	ast2400-palmetto.dtb \
>   	ast2500-evb.dtb \
> +	ast2500-romulus.dtb \
>   	ast2600a0-evb.dtb \
>   	ast2600a1-evb.dtb \
>   	ast2600-bletchley.dtb \
> diff --git a/arch/arm/dts/ast2500-romulus.dts b/arch/arm/dts/ast2500-romulus.dts
> new file mode 100644
> index 000000000000..726d3f54ff24
> --- /dev/null
> +++ b/arch/arm/dts/ast2500-romulus.dts
> @@ -0,0 +1,76 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +// Copyright 2022 IBM Corp.
> +/dts-v1/;
> +
> +#include "ast2500-u-boot.dtsi"
> +
> +/ {
> +	model = "Romulus BMC";
> +	compatible = "ibm,romulus-bmc", "aspeed,ast2500";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x80000000 0x20000000>;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart5;
> +	};
> +
> +	aliases {
> +		spi0 = &fmc;
> +		spi1 = &spi1;
> +		ethernet0 = &mac0;
> +		ethernet1 = &mac1;
> +	};
> +};
> +
> +&uart5 {
> +	u-boot,dm-pre-reloc;
> +	status = "okay";
> +};
> +
> +&sdrammc {
> +	clock-frequency = <400000000>;
> +};
> +
> +&wdt1 {
> +	u-boot,dm-pre-reloc;
> +	status = "okay";
> +};
> +
> +&wdt2 {
> +	u-boot,dm-pre-reloc;
> +	status = "okay";
> +};
> +
> +&mac0 {
> +	status = "okay";
> +
> +	phy-mode = "NC-SI";
> +	use-ncsi;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_rmii1_default>;
> +};
> +
> +&fmc {
> +	status = "okay";
> +	flash at 0 {
> +		status = "okay";
> +		spi-max-frequency = <50000000>;
> +		spi-tx-bus-width = <2>;
> +		spi-rx-bus-width = <2>;
> +	};
> +};
> +
> +&spi1 {
> +	status = "okay";
> +	flash at 0 {
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_spi1_default>;
> +		status = "okay";
> +		spi-max-frequency = <50000000>;
> +		spi-tx-bus-width = <2>;
> +		spi-rx-bus-width = <2>;
> +	};
> +};