[PATCH RFC 7/9] arm: dts: meson-gx-u-boot: add binman configuration for U-Boot SPL

[Neil Armstrong]

On 07/09/2025 16:36, Ferass El Hafidi wrote:
> Add binman configuration to meson-gx-u-boot.dtsi to automate building
> bootable images using amlimage.
> 
> Signed-off-by: Ferass El Hafidi <funderscore at postmarketos.org>
> ---
>   arch/arm/dts/meson-gx-u-boot.dtsi | 142 ++++++++++++++++++++++++++++++++++++++
>   1 file changed, 142 insertions(+)
> 
> diff --git a/arch/arm/dts/meson-gx-u-boot.dtsi b/arch/arm/dts/meson-gx-u-boot.dtsi
> index 9e0620f395e81048273690af4cee4b196ee7b0a7..d05f869c06ebefa08f5480327e4a72bbaa9a5e94 100644
> --- a/arch/arm/dts/meson-gx-u-boot.dtsi
> +++ b/arch/arm/dts/meson-gx-u-boot.dtsi
> @@ -2,6 +2,7 @@
>   /*
>    * Copyright (c) 2019 BayLibre, SAS.
>    * Author: Maxime Jourdan <mjourdan at baylibre.com>
> + * Copyright (c) 2023 Ferass El Hafidi <funderscore at postmarketos.org>
>    */
>   
>   / {
> @@ -15,6 +16,16 @@
>   	soc {
>   		bootph-all;
>   	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +#if defined(CONFIG_BINMAN)
> +	binman: binman {
> +		multiple-images;
> +	};
> +#endif
>   };
>   
>   &vpu {
> @@ -30,3 +41,134 @@
>   	      <0x0 0xc883c000 0x0 0x1000>;
>   	reg-names = "hdmitx", "hhi";
>   };
> +
> +#if defined(CONFIG_MESON_GX) && defined(CONFIG_BINMAN)
> +/* binman configuration on GXBB and GXL */
> +
> +#if defined(CONFIG_MESON_GXBB)
> +#define BL31_ADDR 0x10100000
> +#else /* GXL */
> +#define BL31_ADDR 0x05100000
> +#endif
> +
> +/*
> + * On GXBB the base address of the SCP firmware doesn't matter as SPL will
> + * send the firmware to the SCP anyway, and can get the base address from the
> + * FIT. On GXL it matters, as BL31 is supposed to send the firmware, so set the
> + * base address to what GXL BL2 would load the binary to.
> + */
> +#define  SCP_ADDR 0x13c0000
> +
> +&binman {
> +	u-boot-amlogic {
> +		filename = "u-boot-meson-with-spl.bin";
> +		pad-byte = <0xff>;
> +
> +		mkimage {
> +			filename = "spl/u-boot-spl-signed.bin";
> +#if defined(CONFIG_MESON_GXBB)
> +			args = "-n", "gxbb", "-T", "amlimage";
> +#elif defined(CONFIG_MESON_GXL)
> +			args = "-n", "gxl", "-T", "amlimage";
> +#endif
> +
> +			blob {
> +				size = <0xb000>; /* The BootROM loads 48K max (header is 4K) */
> +				filename = "spl/u-boot-spl.bin";
> +			};
> +		};
> +
> +		fit: fit {
> +			description = "ATF and U-Boot images";
> +			#address-cells = <1>;
> +			fit,fdt-list = "of-list";
> +			fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;
> +			fit,align = <512>;
> +			offset = <CONFIG_SPL_PAD_TO>;
> +
> +			images {
> +				u-boot {
> +					description = "U-Boot";
> +					type = "standalone";
> +					os = "u-boot";
> +					arch = "arm64";
> +					compression = "none";
> +					load = <CONFIG_TEXT_BASE>;
> +					entry = <CONFIG_TEXT_BASE>;
> +
> +					u-boot-nodtb {
> +					};
> +				};
> +
> +				atf {
> +					description = "ARM Trusted Firmware";
> +					type = "firmware";
> +					os = "arm-trusted-firmware";
> +					arch = "arm64";
> +					compression = "none";
> +					load = <BL31_ADDR>;
> +					entry = <BL31_ADDR>;
> +
> +					atf-bl31 {
> +						filename = "bl31.bin";
> +					};
> +					hash {
> +						algo = "sha256";
> +					};
> +				};
> +
> +				scp {
> +					description = "SCP firmware";
> +					type = "scp";
> +					arch = "arm"; /* The Cortex-M core is used as SCP */
> +					compression = "none";
> +					load = <SCP_ADDR>;
> +
> +					scp {
> +						filename = "scp.bin";
> +					};
> +					hash {
> +						/*
> +						 * The hash is used by the SCP and passed to it
> +						 * by U-Boot SPL.
> +						 */
> +						algo = "sha256";
> +					};
> +				};
> +
> +				@fdt-SEQ {
> +					description = "NAME";
> +					type = "flat_dt";
> +					compression = "none";
> +				};
> +
> +			};
> +			configurations {
> +				default = "@config-DEFAULT-SEQ";
> +				@config-SEQ {
> +					description = "NAME.dtb";
> +					fdt = "fdt-SEQ";
> +					firmware = "atf";
> +					loadables = "scp", "u-boot";
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&vpu {
> +	/delete-property/ bootph-all;
> +};
> +
> +&apb {
> +	bootph-all;
> +};
> +
> +&sd_emmc_b {
> +	bootph-all;
> +};
> +
> +&sd_emmc_c {
> +	bootph-all;
> +};
> +#endif
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>