[Buildroot] [PATCH 3/3] boot/uboot: copy IMX firmware files to uboot package dir

Stephane Viau (OSS) stephane.viau at oss.nxp.com
Mon Sep 6 12:45:10 UTC 2021


Hi Heiko, 

Thank you for the patch set.

>
>If the U-Boot image is to be build with binman and one of the IMX

s/build/built
s/IMX/i.MX

>firmware files (ddr, hdmi) is used, the files are expected in the
>toplevel directory.
>
>Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
>---
> boot/uboot/Config.in | 12 ++++++++++++
> boot/uboot/uboot.mk  | 27 +++++++++++++++++++++++++++
> 2 files changed, 39 insertions(+)
>
>diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
>index 0854fb13cc..da518db118 100644
>--- a/boot/uboot/Config.in
>+++ b/boot/uboot/Config.in
>@@ -239,6 +239,18 @@ config BR2_TARGET_UBOOT_NEEDS_OPENSBI
>          and that the OpenSBI variable pointing to OpenSBI binary,
>          is passed during the Buildroot build.
>
>+config BR2_TARGET_UBOOT_NEEDS_IMX_FIRMWARE
>+       bool "U-Boot needs firmware-imx"
>+       depends on BR2_PACKAGE_FIRMWARE_IMX
>+       depends on BR2_PACKAGE_FIRMWARE_IMX_NEEDS_DDR_FW || \
>+               BR2_PACKAGE_FIRMWARE_IMX_NEEDS_HDMI_FW
>+       help
>+         Some IMX platforms (such as iMX8m, iMX8mq, iIMX8mm, iIMX8mn)

You could use "i.MX 8M." for consistency.

>+         encapsulate NXP specific firmware (DDR, HDMI) inside U-Boot.

Are other firmware binaries also concerned (I did not check the U-Boot code) ;
such as VPU, SDMA, ... ?

BR, 
Stephane.

>+         This option makes sure the imx firmware gets built prior to
>+         U-Boot and copies the files from the buildroot binary dir
>+         into the U-Boot source dir.
>+
> menu "U-Boot binary format"
>
> config BR2_TARGET_UBOOT_FORMAT_AIS
>diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
>index 1a840d9cc1..cf8d6b1f39 100644
>--- a/boot/uboot/uboot.mk
>+++ b/boot/uboot/uboot.mk
>@@ -180,6 +180,33 @@ UBOOT_DEPENDENCIES += opensbi
> UBOOT_MAKE_OPTS += OPENSBI=$(BINARIES_DIR)/fw_dynamic.bin
> endif
>
>+# New U-Boot versions can create the IMX specific boot images
>+# and needs the some NXP firmware blobs.
>+ifeq ($(BR2_TARGET_UBOOT_NEEDS_IMX_FIRMWARE),y)
>+UBOOT_DEPENDENCIES += firmware-imx
>+
>+ifeq ($(BR2_PACKAGE_FIRMWARE_IMX_NEEDS_HDMI_FW),y)
>+define UBOOT_COPY_IMX_DDR_FIRMWARE
>+       cp $(BINARIES_DIR)/signed_hdmi_imx8m.bin $(@D)/
>+endef
>+UBOOT_PRE_BUILD_HOOKS += UBOOT_COPY_IMX_DDR_FIRMWARE
>+endif
>+
>+ifeq ($(BR2_PACKAGE_FIRMWARE_IMX_LPDDR4),y)
>+define UBOOT_COPY_IMX_LPDDR4_FIRMWARE
>+       cp $(BINARIES_DIR)/lpddr4*.bin $(@D)/
>+endef
>+UBOOT_PRE_BUILD_HOOKS += UBOOT_COPY_IMX_LPDDR4_FIRMWARE
>+endif
>+
>+ifeq ($(BR2_PACKAGE_FIRMWARE_IMX_DDR4),y)
>+define UBOOT_COPY_IMX_DDR4_FIRMWARE
>+       cp $(BINARIES_DIR)/ddr4*.bin $(@D)/
>+endef
>+UBOOT_PRE_BUILD_HOOKS += UBOOT_COPY_IMX_DDR4_FIRMWARE
>+endif
>+endif
>+
> ifeq ($(BR2_TARGET_UBOOT_NEEDS_DTC),y)
> UBOOT_DEPENDENCIES += host-dtc
> endif
>--
>2.30.0
>


More information about the buildroot mailing list