# Gumstix Overo board-specific definitions

HAIKU_BOARD_DESCRIPTION = "Gumstix Overo" ;
HAIKU_BOARD_FDT_NAME = "omap3-overo-tobi" ;

#
# Various hardcoded addresses
#

# load address for haiku_loader
HAIKU_BOARD_LOADER_BASE = 0x80800000 ;
# entry points (raw binary, and netbsd loader emulation)
HAIKU_BOARD_LOADER_ENTRY_RAW = 0x80800000 ;
HAIKU_BOARD_LOADER_ENTRY_NBSD = 0x80800008 ;
HAIKU_BOARD_LOADER_ENTRY_LINUX = 0x80800010 ;

HAIKU_BOARD_LOADER_ENTRY = $(HAIKU_BOARD_LOADER_ENTRY_NBSD) ;
HAIKU_BOARD_LOADER_FAKE_OS = netbsd ;

# load address for haiku_loader uimage
# (must be different than real load address)
HAIKU_BOARD_LOADER_UIBASE = 0x82800000 ;

#
# Flash image
#

# cf. http://gumstix.org/how-to/70-writing-images-to-flash.html

# OMAP x-loader image, must be first file in Flash image
HAIKU_BOARD_MLO_IMAGE ?= MLO ;
HAIKU_BOARD_MLO_IMAGE_URL =
       http://cumulus.gumstix.org/images/angstrom/developer/current/MLO ;

# u-boot binary image filename, to build the flash image
# XXX: Locate it somehow (for now just put it in generated/)
HAIKU_BOARD_UBOOT_IMAGE ?= u-boot.bin ;
HAIKU_BOARD_UBOOT_IMAGE_URL =
       http://cumulus.gumstix.org/images/angstrom/developer/current/u-boot.bin ;

mloFile = [ DownloadFile $(HAIKU_BOARD_MLO_IMAGE)
        : $(HAIKU_BOARD_MLO_IMAGE_URL) ] ;

ubootFile = [ DownloadFile $(HAIKU_BOARD_UBOOT_IMAGE)
        : $(HAIKU_BOARD_UBOOT_IMAGE_URL) ] ;

FLASH_IMAGE_PARTS =
	$(mloFile)
	$(ubootFile)
	;

# flash offsets:
# in kB
FLASH_IMAGE_LOADER_OFFSET = 31744 ;

FLASH_OFFSET on $(mloFile) = 0 ;
FLASH_OFFSET on $(ubootFile) = 512 ;


#
# mmc/SD image
#

# in MB
HAIKU_BOARD_SDIMAGE_SIZE = 256 ;

# in MB
HAIKU_BOARD_SDIMAGE_FAT_SIZE = 32 ;

# autoboot script
HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME = boot.scr ;
HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT = "\
setenv bootargs debug_screen true; \
if mmc rescan; then \
	fatload mmc 0 0x80100000 $(HAIKU_BOARD_FDT_NAME).dtb ; \
	fatload mmc 0 0x81200000 haiku-floppyboot.tgz.ub; \
	fatload mmc 0 $(HAIKU_BOARD_LOADER_UIBASE) haiku_loader_linux.ub; \
	bootm $(HAIKU_BOARD_LOADER_UIBASE) 0x81200000 0x80100000; \
fi" ;

HAIKU_BOARD_SDIMAGE_FILES =
	$(mloFile)
	$(ubootFile)
	haiku_loader
	haiku_loader.ub
	haiku_loader_linux.ub
	haiku_loader_nbsd.ub
	haiku-floppyboot.tgz.ub
	$(HAIKU_BOARD_FDT_NAME).dtb
	$(HAIKU_BOARD_SDIMAGE_UBOOT_SCRIPT_NAME)
;


#
# gcc flags for the specific cpu
#

local flags = -mcpu=cortex-a8 -mfpu=vfpv3 -mfloat-abi=hard ;

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