The SPL phase has a single SPL binary plus a devicetree for each board we need to support.
The devicetree is run through fdtgrep to remove unwanted nodes and properties and reduce its size. While it would be nicer to just have a single FIT holding both the SPL and U-Boot images, there may not be enough SRAM to support that. So we end up providing this special image just for SPL. Signed-off-by: Simon Glass <[email protected]> --- (no changes since v1) arch/arm/dts/rockchip-u-boot.dtsi | 43 +++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm/dts/rockchip-u-boot.dtsi b/arch/arm/dts/rockchip-u-boot.dtsi index c2a795957fb..9525cb9c21a 100644 --- a/arch/arm/dts/rockchip-u-boot.dtsi +++ b/arch/arm/dts/rockchip-u-boot.dtsi @@ -153,6 +153,49 @@ }; }; }; + + spl_template: template-2 { + type = "fit"; + description = "FIT image for U-Boot SPL"; + #address-cells = <1>; + fit,fdt-list = "of-list"; + fit,align = <512>; + fit,external-offset = <0>; + images { + spl { + description = "U-Boot SPL"; + type = "firmware"; + os = "u-boot"; + arch = ARCH; + compression = "lz4"; + load = <CONFIG_SPL_TEXT_BASE>; + entry = <CONFIG_SPL_TEXT_BASE>; + section { + compress = "lz4"; + u-boot-spl-nodtb { + }; + u-boot-spl-bss-pad { + }; + }; + }; + @fdt-SEQ { + description = "fdt-NAME"; + compression = "none"; + type = "flat_dt"; + fit,fdt-phase = "spl"; + }; + }; + configurations { + default = "@config-DEFAULT-SEQ"; + @config-SEQ { + description = "NAME.dtb"; + fdt = "fdt-SEQ"; + fit,firmware = "spl"; + fit,loadables; + fit,compatible; + }; + }; + }; #endif /* HAS_FIT */ simple-bin { -- 2.43.0
