When supporting multiple hardware targets, overlay_map.dtb might be needed to map overlay names to one of several implementations. Signed-off-by: Rutger Sassen --- Changes v2 -> v3: - in Config.in use if statement instead of depends (suggested by Peter Seiderer) - mention the filename overlay_map.dtb in the help text (suggested by Peter Seiderer) Changes v1 -> v2: - instead of always copying overlay_map.dtb, make it configurable (suggested by Peter Seiderer) - do not copy README since it a special case, only needed when installing overlays to a non-standard location (suggested by Peter Seiderer) When supporting multiple hardware targets, overlay_map.dtb might be needed to map overlay names to one of several implementations. Signed-off-by: Rutger Sassen --- package/rpi-firmware/Config.in | 12 ++++++++++++ package/rpi-firmware/rpi-firmware.mk | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/package/rpi-firmware/Config.in b/package/rpi-firmware/Config.in index 8070dc3019..36054353f8 100644 --- a/package/rpi-firmware/Config.in +++ b/package/rpi-firmware/Config.in @@ -93,6 +93,18 @@ config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS overlays, to support HATs (Hardware Attached on Top, add-on modules). +if BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS + +config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAY_MAP + bool "Install DTB overlay map" + default n + help + Say 'y' here if you need to support multiple hardware targets + and you need overlay_map.dtb for target dependent mapping of + overlay names to one of several overlay implementations. + +endif # BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS + config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_VCDBG bool "vcdbg" depends on BR2_arm # prebuilt arm binary, rpi-userland diff --git a/package/rpi-firmware/rpi-firmware.mk b/package/rpi-firmware/rpi-firmware.mk index b46a7f5270..800b560070 100644 --- a/package/rpi-firmware/rpi-firmware.mk +++ b/package/rpi-firmware/rpi-firmware.mk @@ -57,6 +57,12 @@ define RPI_FIRMWARE_INSTALL_DTB_OVERLAYS endef endif +ifeq ($(BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAY_MAP),y) +define RPI_FIRMWARE_INSTALL_DTB_OVERLAY_MAP + $(INSTALL) -D -m 0644 $(@D)/boot/overlays/overlay_map.dtb $(BINARIES_DIR)/rpi-firmware/overlays/ +endef +endif + # Install prebuilt libraries if RPI_USERLAND not enabled ifneq ($(BR2_PACKAGE_RPI_USERLAND),y) define RPI_FIRMWARE_INSTALL_TARGET_LIB @@ -83,6 +89,7 @@ define RPI_FIRMWARE_INSTALL_IMAGES_CMDS $(RPI_FIRMWARE_INSTALL_CONFIG) $(RPI_FIRMWARE_INSTALL_DTB) $(RPI_FIRMWARE_INSTALL_DTB_OVERLAYS) + $(RPI_FIRMWARE_INSTALL_DTB_OVERLAY_MAP) endef $(eval $(generic-package)) -- 2.20.1 This email communication is CONFIDENTIAL. If you are not the intended recipient, you may not use, copy or disclose to anyone the message or any information contained in the message and I ask that you please notify me by return email and delete this communication immediately. Thank you.