[Buildroot] [PATCH 1/2] boot/uboot: Introduce BR2_TARGET_UBOOT_NEEDS_OPENSBI
Bin Meng
bmeng.cn at gmail.com
Mon Jan 11 09:01:11 UTC 2021
From: Bin Meng <bin.meng at windriver.com>
Some RISC-V platforms (such as SiFive HiFive Unleashed) encapsulate
the OpenSBI firmware image inside U-Boot.
Signed-off-by: Bin Meng <bin.meng at windriver.com>
---
boot/uboot/Config.in | 10 ++++++++++
boot/uboot/uboot.mk | 5 +++++
2 files changed, 15 insertions(+)
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
index e4a0f48..b18216a 100644
--- a/boot/uboot/Config.in
+++ b/boot/uboot/Config.in
@@ -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
diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
index a29d71f..d92000f 100644
--- a/boot/uboot/uboot.mk
+++ b/boot/uboot/uboot.mk
@@ -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
--
2.7.4
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