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

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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: "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: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2015-06-29 00:25:11 +02:00 committed by Thomas Petazzoni
parent c1c78adf11
commit c22744542a
2 changed files with 14 additions and 0 deletions
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8
package/rpi-firmware/Config.in
View File

@ -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

6
package/rpi-firmware/rpi-firmware.mk
View File

@ -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