include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=bcm27xx-gpu-fw
PKG_VERSION:=2020-03-26
PKG_RELEASE:=5574077183389cd4c65077ba18b59144ed6ccd6d

PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)/rpi-firmware-$(PKG_RELEASE)

PKG_FLAGS:=nonshared

include $(INCLUDE_DIR)/package.mk

RPI_FIRMWARE_URL:=@GITHUB/raspberrypi/firmware/$(PKG_RELEASE)/boot/
RPI_FIRMWARE_FILE:=rpi-firmware-$(PKG_RELEASE)

define Download/LICENCE_broadcom
  FILE:=$(RPI_FIRMWARE_FILE)-LICENCE.broadcom
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=LICENCE.broadcom
  HASH:=c7283ff51f863d93a275c66e3b4cb08021a5dd4d8c1e7acc47d872fbe52d3d6b
endef
$(eval $(call Download,LICENCE_broadcom))

define Download/bootcode_bin
  FILE:=$(RPI_FIRMWARE_FILE)-bootcode.bin
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=bootcode.bin
  HASH:=1e3582640b97f6a1ba77b66181fe698767d205f5d4c4315f56d03b398a7e55d1
endef
$(eval $(call Download,bootcode_bin))

define Download/fixup_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup.dat
  HASH:=1b90af0c87d5f705b5b6d921b2b47d37f73af81c5c9fb1d683201e619a00d2df
endef
$(eval $(call Download,fixup_dat))

define Download/fixup_cd_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup_cd.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup_cd.dat
  HASH:=134c5f3db2de3e5fd285bd4073016f074cf4151cdd1bfe3443b9a14700d48a55
endef
$(eval $(call Download,fixup_cd_dat))

define Download/fixup_x_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup_x.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup_x.dat
  HASH:=32fd8182a9a603f41acb7d542cbb15aa4e84c2768816ae48e36b68d0d4e1754c
endef
$(eval $(call Download,fixup_x_dat))

define Download/fixup4_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup4.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup4.dat
  HASH:=605b28219ba13b73dbf57a45e995e7ea090421ad96a971c950afb34e0d3f7841
endef
$(eval $(call Download,fixup4_dat))

define Download/fixup4cd_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup4cd.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup4cd.dat
  HASH:=a3a4c600472032cd6597e774f0b7be2cebbfa918ccfd7fa1cfecdf853c5f61a9
endef
$(eval $(call Download,fixup4cd_dat))

define Download/fixup4x_dat
  FILE:=$(RPI_FIRMWARE_FILE)-fixup4x.dat
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=fixup4x.dat
  HASH:=c196692b2cac949fdeb354364eb15da83d192d77ab698cf3fe43142401c5281c
endef
$(eval $(call Download,fixup4x_dat))

define Download/start_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start.elf
  HASH:=2364737aade5c6459a0dfd7b5d5070ab6a6139803779d3f94b579744b40731a5
endef
$(eval $(call Download,start_elf))

define Download/start_cd_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start_cd.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start_cd.elf
  HASH:=12b98b6c5336b4f1ee1a61753bd6471ce7ce8ee2644550dc79c8e41d3ee4e719
endef
$(eval $(call Download,start_cd_elf))

define Download/start_x_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start_x.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start_x.elf
  HASH:=d21ece84f1ac70148787578ec7549a01d5fa7453b46119ab230470f8e403c0f9
endef
$(eval $(call Download,start_x_elf))

define Download/start4_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start4.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start4.elf
  HASH:=98c4cba6bd4ee03a53b02816c645f783becd9f9899787f7b1bcb8a784eeca4c0
endef
$(eval $(call Download,start4_elf))

define Download/start4cd_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start4cd.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start4cd.elf
  HASH:=b9ee5a895563b891a74ac4be3e9e11be553aa69d600a196556328db164735f8a
endef
$(eval $(call Download,start4cd_elf))

define Download/start4x_elf
  FILE:=$(RPI_FIRMWARE_FILE)-start4x.elf
  URL:=$(RPI_FIRMWARE_URL)
  URL_FILE:=start4x.elf
  HASH:=bd2741aca11ecface061fd93d6b412d4f2a777165d780f5a2924569c9417ed92
endef
$(eval $(call Download,start4x_elf))

define Package/bcm27xx-gpu-fw
  SECTION:=boot
  CATEGORY:=Boot Loaders
  DEPENDS:=@TARGET_bcm27xx
  TITLE:=bcm27xx-gpu-fw
  DEFAULT:=y if TARGET_bcm27xx
endef

define Package/bcm27xx-gpu-fw/description
 GPU and kernel boot firmware for bcm27xx.
endef

define Build/Prepare
	rm -rf $(PKG_BUILD_DIR)
	mkdir -p $(PKG_BUILD_DIR)
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-LICENCE.broadcom $(PKG_BUILD_DIR)/LICENCE.broadcom
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-bootcode.bin $(PKG_BUILD_DIR)/bootcode.bin
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup.dat $(PKG_BUILD_DIR)/fixup.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup_cd.dat $(PKG_BUILD_DIR)/fixup_cd.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup_x.dat $(PKG_BUILD_DIR)/fixup_x.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup4.dat $(PKG_BUILD_DIR)/fixup4.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup4cd.dat $(PKG_BUILD_DIR)/fixup4cd.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-fixup4x.dat $(PKG_BUILD_DIR)/fixup4x.dat
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start.elf $(PKG_BUILD_DIR)/start.elf
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start_cd.elf $(PKG_BUILD_DIR)/start_cd.elf
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start_x.elf $(PKG_BUILD_DIR)/start_x.elf
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start4.elf $(PKG_BUILD_DIR)/start4.elf
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start4cd.elf $(PKG_BUILD_DIR)/start4cd.elf
	$(CP) $(DL_DIR)/$(RPI_FIRMWARE_FILE)-start4x.elf $(PKG_BUILD_DIR)/start4x.elf
endef

define Build/Compile
	true
endef

define Package/bcm27xx-gpu-fw/install
	true
endef

define Build/InstallDev
	$(CP) $(PKG_BUILD_DIR)/bootcode.bin $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/LICENCE.broadcom $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start_cd.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start_x.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start4.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start4cd.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/start4x.elf $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup.dat $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup_cd.dat $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup_x.dat $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup4.dat $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup4cd.dat $(KERNEL_BUILD_DIR)
	$(CP) $(PKG_BUILD_DIR)/fixup4x.dat $(KERNEL_BUILD_DIR)
endef

$(eval $(call BuildPackage,bcm27xx-gpu-fw))