# Raspberry Pi 2 board-specific definitions

HAIKU_BOARD_DESCRIPTION = "Raspberry Pi 2" ;
HAIKU_BOARD_FDT_NAME = "rpi2" ;

#
# Various hardcoded addresses
#

HAIKU_BOARD_LOADER_BASE = 0x00080000 ;
HAIKU_BOARD_LOADER_ENTRY_RAW = $(HAIKU_BOARD_LOADER_BASE) ;
HAIKU_BOARD_LOADER_ENTRY_NBSD = `printf \"obase=16;ibase=16;8 + %x\\n\" $(HAIKU_BOARD_LOADER_BASE)|bc` ;
HAIKU_BOARD_LOADER_ENTRY_LINUX = `printf \"obase=16;ibase=16;10 + %x\\n\" $(HAIKU_BOARD_LOADER_BASE)|bc` ;

#
# mmc/SD image
#

# u-boot image
HAIKU_BOARD_UBOOT_IMAGE_URL = https://github.com/kallisti5/rpi-uboot-bins/raw/master/rpi2 ;
ubootFile = [ DownloadFile u-boot.bin : $(HAIKU_BOARD_UBOOT_IMAGE_URL)/u-boot.bin ] ;
configFile = [ DownloadFile config.txt : $(HAIKU_BOARD_UBOOT_IMAGE_URL)/config.txt ] ;

# Raspberry Pi foundation loader
HAIKU_BOARD_FIRMWARE_URL = https://github.com/raspberrypi/firmware/raw/master/boot ;
bootcodeFile = [ DownloadFile bootcode.bin : $(HAIKU_BOARD_FIRMWARE_URL)/bootcode.bin ] ;
startFile = [ DownloadFile start.elf : $(HAIKU_BOARD_FIRMWARE_URL)/start.elf ] ;
licenseFile = [ DownloadFile LICENCE.broadcom : $(HAIKU_BOARD_FIRMWARE_URL)/LICENCE.broadcom ] ;

local fdtBinary = [ FDirName $(HAIKU_OUTPUT_DIR) $(HAIKU_BOARD_FDT_NAME).dtb ] ;
CompileDTS $(fdtBinary) : [ FDirName $(HAIKU_TOP) src data dts arch arm $(HAIKU_BOARD_FDT_NAME).dts ] ;

HAIKU_BOARD_FIRMWARE_FILES =
	$(bootcodeFile)
	$(startFile)
	$(licenseFile)
;

HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME = boot.scr ;
HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT = "\
fatload mmc 0 ${fdt_addr_r} $(HAIKU_BOARD_FDT_NAME).dtb \
    fdt addr ${fdt_addr_r} \
    fatload mmc 0 ${ramdisk_addr_r} haiku-floppyboot.tgz.ub \
    fatload mmc 0 ${kernel_addr_r} haiku_loader_linux.ub \
    bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}" ;

HAIKU_BOARD_SDIMAGE_FAT_SIZE = 32 ;
HAIKU_BOARD_SDIMAGE_FILES = 
	$(HAIKU_BOARD_FIRMWARE_FILES)
	$(configFile)
	$(fdtBinary)
	$(ubootFile)
	haiku_loader_linux.ub
	haiku-floppyboot.tgz.ub
	$(HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME)
;

HAIKU_BOARD_SDIMAGE_SIZE = 128 ;

#
# gcc flags for the specific cpu
#

local flags = -mtune=arm1176jzf-s -march=armv7-a ;

HAIKU_ASFLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;
HAIKU_CCFLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;
HAIKU_C++FLAGS_$(HAIKU_PACKAGING_ARCH) += $(flags) ;

# Workaround for ld using 32k for alignment despite forcing it in the config...
# should definitely not be needed!
HAIKU_KERNEL_LINKFLAGS +=
	-Wl,-z -Wl,max-page-size=0x1000
	-Wl,-z -Wl,common-page-size=0x1000 ;
HAIKU_LINKFLAGS_$(HAIKU_PACKAGING_ARCH) +=
	-Wl,-z -Wl,max-page-size=0x1000
	-Wl,-z -Wl,common-page-size=0x1000 ;