#
# Copyright (C) 2012-2020 OpenWrt.org
# Copyright (C) 2017 LEDE project
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=bcm27xx-gpu-fw
PKG_VERSION:=2020-02-28
PKG_RELEASE:=bf83b506b4a6f9e592e711d02871a278fad5bd1e

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:=6505bbc8798698bd8f1dff30789b22289ebb865ccba7833b87705264525cbe46
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:=3157bb56f162ed215fba9ed101c5c59abfce25d2723b687d4b6da5d527d4da74
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:=1ba8140ee21c61e3c86a0b864530e58de067139b4c93ddd258c12f2f0851796a
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:=f0bcb0b9bebceaae272a86f8af5b789a2f1f51548ee428b04bd8f63f8d05dd56
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:=02534602e0310d3c101820d87e8a33423d541ad9be1874f918fa03af18aaa6c2
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:=b5e82f7f932d618ff36e7f089f0350bbc0b1c7830f3c44eec87603becf47c47e
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:=2078b1241cbbd2b7e6e5d77240b266a71afd9617a9c6ffc223fb19bcd8b177cf
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:=ea2dac517aa5c99eae864a1653fde467f481ccf34bd16ec6776595b8520c4ade
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:=f31559dde1c8984a2c681078b4a243c718383c481e5fd3dc8feafa8f8bc98113
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:=9a18f7d063f9d721a779b23f189681f74b6ea04327bc0c7b5b868df974cf74f0
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:=88017c1e66ce10749540866bba331b6684f84eab333bf579b43ce7eea91140f7
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:=7c658a86c42a86ffdb083294f21342c2cffe18fcef1bc457736173efbe71f419
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:=4a93c4ab29ad5e2aa537ef0a6b1ce0ed77d8283a44b443bc785af4c856ab20f5
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))