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From: Alistair Francis <alistair23@gmail.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 1/4] boot/uboot: introduce BR2_TARGET_UBOOT_FORMAT_DTB
Date: Tue, 15 Jun 2021 17:51:49 +1000	[thread overview]
Message-ID: <CAKmqyKOfj_EahjSQsZLEtbz3nd=Nb=B_1XAf4H2wc5hy8zYo7g@mail.gmail.com> (raw)
In-Reply-To: <20210615001750.421889-2-drew@beagleboard.org>

On Tue, Jun 15, 2021 at 10:18 AM Drew Fustini <drew@beagleboard.org> wrote:
>
> If u-boot CONFIG_OF_SEPARATE is defined [1], then the device tree will
> be built and placed in a u-boot.dtb file alongside u-boot.bin.
>
> When BR2_TARGET_UBOOT_FORMAT_DTB is enabled, buildroot will copy
> u-boot.dtb to $(BINARIES_DIR).
>
> This is useful for RISC-V platforms that want to build OpenSBI with an
> external DTB by using FW_FDT_PATH [2].
>
> [1] https://github.com/lentinj/u-boot/blob/master/doc/README.fdt-control
> [2] https://github.com/riscv/opensbi/blob/master/docs/firmware/fw.md
>
> Signed-off-by: Drew Fustini <drew@beagleboard.org>

After Bin's comments are addresses:

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  boot/uboot/Config.in | 3 +++
>  boot/uboot/uboot.mk  | 4 ++++
>  2 files changed, 7 insertions(+)
>
> diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
> index 00c667412006..44a16d892a60 100644
> --- a/boot/uboot/Config.in
> +++ b/boot/uboot/Config.in
> @@ -252,6 +252,9 @@ config BR2_TARGET_UBOOT_FORMAT_BIN
>         bool "u-boot.bin"
>         default y
>
> +config BR2_TARGET_UBOOT_FORMAT_DTB
> +       bool "u-boot.dtb"
> +
>  config BR2_TARGET_UBOOT_FORMAT_DTB_BIN
>         bool "u-boot-dtb.bin"
>
> diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
> index dbe82e65b17e..923fd0c1d46c 100644
> --- a/boot/uboot/uboot.mk
> +++ b/boot/uboot/uboot.mk
> @@ -48,6 +48,10 @@ ifeq ($(BR2_TARGET_UBOOT_FORMAT_BIN),y)
>  UBOOT_BINS += u-boot.bin
>  endif
>
> +ifeq ($(BR2_TARGET_UBOOT_FORMAT_DTB),y)
> +UBOOT_BINS += u-boot.dtb
> +endif
> +
>  ifeq ($(BR2_TARGET_UBOOT_FORMAT_ELF),y)
>  UBOOT_BINS += u-boot
>  # To make elf usable for debuging on ARC use special target
> --
> 2.27.0
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

  parent reply	other threads:[~2021-06-15  7:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-15  0:17 [Buildroot] [PATCH 0/4] beaglev: enable opensbi generic platform Drew Fustini
2021-06-15  0:17 ` [Buildroot] [PATCH 1/4] boot/uboot: introduce BR2_TARGET_UBOOT_FORMAT_DTB Drew Fustini
2021-06-15  7:47   ` Bin Meng
2021-06-15  7:51   ` Alistair Francis [this message]
2021-06-15  0:17 ` [Buildroot] [PATCH 2/4] boot/opensbi: introduce BR2_TARGET_OPENSBI_FW_FDT_PATH Drew Fustini
2021-06-15  7:47   ` Bin Meng
2021-06-15  7:56   ` Alistair Francis
2021-06-15  0:17 ` [Buildroot] [PATCH 3/4] configs/beaglev: update u-boot to enable OF_SEPARATE Drew Fustini
2021-06-15  7:47   ` Bin Meng
2021-06-15  7:56   ` Alistair Francis
2021-06-15  0:17 ` [Buildroot] [PATCH 4/4] configs/beaglev: switch to upstream opensbi generic platform Drew Fustini
2021-06-15  7:47   ` Bin Meng
2021-06-15  7:57   ` Alistair Francis

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