Commit c2274454 authored by Yann E. MORIN's avatar Yann E. MORIN Committed by Thomas Petazzoni
Browse files

package/rpi-firmware: add option to install DTB overlays 



Currently, Buildroot does not support building the overlays that are
bundled in the Linux kernel, so all we can do is install the ones
pre-built in rpi-firmware.

Signed-off-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Floris Bos <bos@je-eigen-domein.nl>
Cc: Pascal de Bruijn <pmjdebruijn@pcode.nl>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent c1c78adf

package/rpi-firmware/Config.in

+8 −0
Original line number Diff line number Diff line
@@ -56,5 +56,13 @@ config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS 
	  and enable BR2_LINUX_KERNEL_DTS_SUPPORT to let the kernel build

	  the DTB.



config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS

	bool "Install DTB overlays"

	depends on BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS \

		|| BR2_LINUX_KERNEL_DTS_SUPPORT

	default y

	help

	  Say 'y' here if you need to load one or more of the DTB overlays,

	  to support HATs (Hardware Attached on Top, add-on modules).



endif # BR2_PACKAGE_RPI_FIRMWARE

package/rpi-firmware/rpi-firmware.mk

+6 −0
Original line number Diff line number Diff line
@@ -18,6 +18,11 @@ define RPI_FIRMWARE_INSTALL_DTB 
	$(INSTALL) -D -m 0644 $(@D)/boot/bcm2708-rpi-b.dtb $(BINARIES_DIR)/rpi-firmware/bcm2708-rpi-b.dtb

	$(INSTALL) -D -m 0644 $(@D)/boot/bcm2708-rpi-b-plus.dtb $(BINARIES_DIR)/rpi-firmware/bcm2708-rpi-b-plus.dtb

	$(INSTALL) -D -m 0644 $(@D)/boot/bcm2709-rpi-2-b.dtb $(BINARIES_DIR)/rpi-firmware/bcm2709-rpi-2-b.dtb

endef

endif



ifeq ($(BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS),y)

define RPI_FIRMWARE_INSTALL_DTB_OVERLAYS

	for ovldtb in  $(@D)/boot/overlays/*.dtb; do \

		$(INSTALL) -D -m 0644 $${ovldtb} $(BINARIES_DIR)/rpi-firmware/overlays/$${ovldtb##*/} || exit 1; \

	done
@@ -31,6 +36,7 @@ define RPI_FIRMWARE_INSTALL_IMAGES_CMDS 
	$(INSTALL) -D -m 0644 package/rpi-firmware/config.txt $(BINARIES_DIR)/rpi-firmware/config.txt

	$(INSTALL) -D -m 0644 package/rpi-firmware/cmdline.txt $(BINARIES_DIR)/rpi-firmware/cmdline.txt

	$(RPI_FIRMWARE_INSTALL_DTB)

	$(RPI_FIRMWARE_INSTALL_DTB_OVERLAYS)

endef



# We have no host sources to get, since we already