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boot/uboot: introduce BR2_TARGET_UBOOT_NEEDS_OPENSBI

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Some RISC-V platforms (such as SiFive HiFive Unleashed) encapsulate
the OpenSBI firmware image inside U-Boot.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Bin Meng 2021-01-11 17:01:11 +08:00 committed by Thomas Petazzoni
parent e1ecd5b582
commit 3fccb15705
2 changed files with 15 additions and 0 deletions
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10
boot/uboot/Config.in
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@ -229,6 +229,16 @@ config BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF
endchoice
config BR2_TARGET_UBOOT_NEEDS_OPENSBI
bool "U-Boot needs OpenSBI"
depends on BR2_TARGET_OPENSBI
help
Some RISC-V platforms (such as SiFive HiFive Unleashed)
encapsulate the OpenSBI firmware image inside U-Boot.
This option makes sure OpenSBI gets built prior to U-Boot,
and that the OpenSBI variable pointing to OpenSBI binary,
is passed during the Buildroot build.
menu "U-Boot binary format"
config BR2_TARGET_UBOOT_FORMAT_AIS

5
boot/uboot/uboot.mk
View File

@ -163,6 +163,11 @@ UBOOT_MAKE_OPTS += BL31=$(BINARIES_DIR)/bl31.bin
endif
endif
ifeq ($(BR2_TARGET_UBOOT_NEEDS_OPENSBI),y)
UBOOT_DEPENDENCIES += opensbi
UBOOT_MAKE_OPTS += OPENSBI=$(BINARIES_DIR)/fw_dynamic.bin
endif
ifeq ($(BR2_TARGET_UBOOT_NEEDS_DTC),y)
UBOOT_DEPENDENCIES += host-dtc
endif