diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | dts/Kconfig | 18 | ||||
| -rw-r--r-- | tools/binman/binman.rst | 20 |
3 files changed, 1 insertions, 40 deletions
@@ -945,7 +945,6 @@ endif endif INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin INPUTS-$(CONFIG_OF_SEPARATE) += u-boot.dtb -INPUTS-$(CONFIG_BINMAN_STANDALONE_FDT) += u-boot.dtb ifeq ($(CONFIG_SPL_FRAMEWORK),y) INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img endif @@ -1415,7 +1414,7 @@ u-boot-lzma.img: u-boot.bin.lzma FORCE u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \ - $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX)$(CONFIG_BINMAN_STANDALONE_FDT),dts/dt.dtb) \ + $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \ ,$(UBOOT_BIN)) FORCE $(call if_changed,mkimage) $(BOARD_SIZE_CHECK) diff --git a/dts/Kconfig b/dts/Kconfig index 9994ab13dc..6ebbac2a64 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -16,24 +16,6 @@ config BINMAN bool select DTOC -config BINMAN_STANDALONE_FDT - bool - depends on BINMAN - default y if OF_BOARD - help - This option tells U-Boot build system that a standalone device tree - source is explicitly required when using binman to package U-Boot. - - This is not necessary in a common scenario where a device tree source - that contains the binman node is provided in the arch/<arch>/dts - directory for a specific board. Such device tree sources are built for - OF_SEPARATE or OF_EMBED. However for a scenario like the board device - tree blob is not provided in the U-Boot build tree, but fed to U-Boot - in the runtime, e.g.: in the OF_BOARD case that it is passed by - a prior stage bootloader. For such scenario, a standalone device tree - blob containing binman node to describe how to package U-Boot should - be provided explicitly. - menu "Device Tree Control" depends on SUPPORT_OF_CONTROL diff --git a/tools/binman/binman.rst b/tools/binman/binman.rst index 10389a52c4..56f865800e 100644 --- a/tools/binman/binman.rst +++ b/tools/binman/binman.rst @@ -232,26 +232,6 @@ You can use other, more specific CONFIG options - see 'Automatic .dtsi inclusion' below. -Using binman with OF_BOARD --------------------------------------------- - -Normally binman is used with a board configured with OF_SEPARATE or OF_EMBED. -This is a typical scenario where a device tree source that contains the binman -node is provided in the arch/<arch>/dts directory for a specific board. - -However for a board configured with OF_BOARD, no device tree blob is provided -in the U-Boot build phase hence the binman node information is not available. -In order to support such use case, a new Kconfig option BINMAN_STANDALONE_FDT -is introduced, to tell the build system that a standalone device tree blob -containing binman node is explicitly required. - -Note there is a Kconfig option BINMAN_FDT which enables U-Boot run time to -access information about binman entries, stored in the device tree in a binman -node. Generally speaking, this option makes sense for OF_SEPARATE or OF_EMBED. -For the other OF_CONTROL methods, it's quite possible binman node is not -available as binman is invoked during the build phase, thus this option is not -turned on by default for these OF_CONTROL methods. - Access to binman entry offsets at run time (symbols) ---------------------------------------------------- |