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

PKG_NAME:=bcm27xx-gpu-fw
PKG_VERSION:=2020-04-15
PKG_RELEASE:=9e3c23ce779e8cf44c33d6a25bba249319207f68

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:=ff5aa78aa6fb6202cb6b490d07dda7a844145d4cf82dc005ef8baf8fa936996e
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:=e21c05b05bb140dbe99cdb45af3e2e60e61772737b006b4c0b5cf8f609eab8e7
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:=a9a5269358fd3e1f8cc6d5ac31902d449ba8c06be8c8ae211c92f8a170a552c9
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:=78137591cc1b0654fc389e83ba59bf1d2a5ce1f8ba971058d9469e20e3c4e4ea
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:=bd29b478e6d9c31265e61cf8d663f8bcdf096b7e60423b487bb23f44ac11e6f6
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:=608871001d2a849016af64d3d9197ed57f90d5f23a554cde3d739ac7b4f7b560
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:=d15334b643b34ba1e9fe8ea72d0aff59fb9886b70eee17f05ecfe74c2bcab7de
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:=62054d5b4a1ba58533aa3cb63ec83e6635adfa9093283d462f3bea7eb3d17c80
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:=445f0cf6bdc82a9d8d4d92a4678b72436eba9c1e4155ca1c483aa15271dbc26f
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:=e58a0a629a98998a225b6bf837c75256625d313130401c223f052f0a42b4f263
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:=e90d922916dc61d547eb03fae8f182e16edadf5cf10caad1027e95582bc01a0d
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:=dae73ce30d491dcf780f817131e215b6a34447fcf346acf11ee9080595304ae0
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))