These regions are specific to U-Boot and only needed by boards driving the HDMI splash output, so define them in mt8390-genio-common-u-boot.dtsi (included by the Genio 510 and 700 EVKs) rather than in the SoC-wide mt8188-u-boot.dtsi. They are placed at 0x70000000 to stay clear of the reserved-memory pools declared by the boards using this SoC (the Genio EVKs reserve the range 0x60000000-0x61100000 for the ADSP and AFE DMA pools) and of the kernel load window (the Genio kernel FIT images load and decompress the kernel at 0x64000000).
Signed-off-by: Julien Stephan <[email protected]> --- arch/arm/dts/mt8370-genio-510-evk-u-boot.dtsi | 1 + arch/arm/dts/mt8390-genio-700-evk-u-boot.dtsi | 1 + arch/arm/dts/mt8390-genio-common-u-boot.dtsi | 26 ++++++++++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/arch/arm/dts/mt8370-genio-510-evk-u-boot.dtsi b/arch/arm/dts/mt8370-genio-510-evk-u-boot.dtsi index 586d15bf72e..dda05bcf7f4 100644 --- a/arch/arm/dts/mt8370-genio-510-evk-u-boot.dtsi +++ b/arch/arm/dts/mt8370-genio-510-evk-u-boot.dtsi @@ -5,3 +5,4 @@ */ #include "mt8188-u-boot.dtsi" +#include "mt8390-genio-common-u-boot.dtsi" diff --git a/arch/arm/dts/mt8390-genio-700-evk-u-boot.dtsi b/arch/arm/dts/mt8390-genio-700-evk-u-boot.dtsi index 9b7c54854b2..487fc944d35 100644 --- a/arch/arm/dts/mt8390-genio-700-evk-u-boot.dtsi +++ b/arch/arm/dts/mt8390-genio-700-evk-u-boot.dtsi @@ -7,6 +7,7 @@ #include <config.h> #include "mt8188-u-boot.dtsi" +#include "mt8390-genio-common-u-boot.dtsi" / { binman: binman { diff --git a/arch/arm/dts/mt8390-genio-common-u-boot.dtsi b/arch/arm/dts/mt8390-genio-common-u-boot.dtsi new file mode 100644 index 00000000000..95b2f66973c --- /dev/null +++ b/arch/arm/dts/mt8390-genio-common-u-boot.dtsi @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2026 BayLibre, SAS. + * Author: Julien Stephan <[email protected]> + */ + +/ { + reserved-memory { + /* + * Keep these regions clear of the board reserved-memory + * pools (the boards using this SoC reserve regions up to + * 0x61100000 for the adsp/afe DMA pools) and of the kernel + * load window: the kernel FIT images load and decompress + * the kernel at 0x64000000. + */ + splashscreen: memory@70000000 { + reg = <0 0x70000000 0 0x02000000>; + no-map; + }; + + framebuffer: memory@72000000 { + reg = <0 0x72000000 0 0x02000000>; + no-map; + }; + }; +}; -- 2.54.0
