uboot的Makefile裁剪（针对飞思卡尔的mx6系列）

VERSION = 2009
PATCHLEVEL = 08
SUBLEVEL =
EXTRAVERSION =
ifneq "$(SUBLEVEL)" ""
U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
else
U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
endif
TIMESTAMP_FILE = $(obj)include/timestamp_autogenerated.h
VERSION_FILE = $(obj)include/version_autogenerated.h

HOSTARCH := $(shell uname -m |
sed -e s/i.86/i386/
-e s/sun4u/sparc64/
-e s/arm.*/arm/
-e s/sa110/arm/
-e s/powerpc/ppc/
-e s/ppc64/ppc/
-e s/macppc/ppc/)

HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' |
sed -e 's/(cygwin).*/cygwin/')

# Set shell to bash if possible, otherwise fall back to sh
SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH;
else if [ -x /bin/bash ]; then echo /bin/bash;
else echo sh; fi; fi)

export HOSTARCH HOSTOS SHELL

# Deal with colliding definitions from tcsh etc.
VENDOR=

#########################################################################
# Allow for silent builds
ifeq (,$(findstring s,$(MAKEFLAGS)))
XECHO = echo
else
XECHO = :
endif

ifdef O
ifeq ("$(origin O)", "command line")
BUILD_DIR := $(O)
endif
endif

ifneq ($(BUILD_DIR),)
saved-output := $(BUILD_DIR)

# Attempt to create a output directory.
$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})

# Verify if it was successful.
BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
endif # ifneq ($(BUILD_DIR),)

OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) //如果存在BUILD_DIR则OBJTREE=BUILD_DIR否则等于CURDIR
SRCTREE := $(CURDIR)
TOPDIR := $(SRCTREE)
LNDIR := $(OBJTREE)
export TOPDIR SRCTREE OBJTREE

MKCONFIG := $(SRCTREE)/mkconfig //uboot根目录下有个mkconfig文件，里面觉得include/congfig.mk以及board的配置.h文件
export MKCONFIG

ifneq ($(OBJTREE),$(SRCTREE))
REMOTE_BUILD := 1
export REMOTE_BUILD
endif

# $(obj) and (src) are defined in config.mk but here in main Makefile
# we also need them before config.mk is included which is the case for
# some targets like unconfig, clean, clobber, distclean, etc.
ifneq ($(OBJTREE),$(SRCTREE))
obj := $(OBJTREE)/
src := $(SRCTREE)/
else
obj :=
src :=
endif
export obj src

# Make sure CDPATH settings don't interfere
unexport CDPATH

#########################################################################

# The "tools" are needed early, so put this first
# Don't include stuff already done in $(LIBS)
SUBDIRS = tools
examples/standalone
examples/api

.PHONY : $(SUBDIRS)

ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))

all:
sinclude $(obj)include/autoconf.mk.dep  //用sinclude的作用是用于兼容性
sinclude $(obj)include/autoconf.mk //对于我来说最重要的地方

在我的板子里面自己定义的地方

67 CONFIG_EXTRA_ENV_SETTINGS="netdev=eth0ethprime=FEC0fastboot_dev=mmc3bo otcmd=run hw_${hw_name}; run hw_${hw_name}_${hw_version}; run set_bootargs; booti mmc3bootcmd_android_recovery=run hw_${hw_name}; run hw_${hw_name}_${ hw_version}; run set_bootargs; booti mmc3 recoverysplashimage=0x30000000 splashpos=m,mlvds_num=0screen0=setenv video video=mxcfb0:dev=ldb,LDB-XGA ,if=RGB24,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=m xcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1

screen1=setenv video video=mx cfb0:dev=ldb,1024x600M@60,if=RGB666,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@ 60,if=RGB32,bpp=16 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1

screen2=setenv video video=mxcfb0:dev=ldb,640x768M@60,if=RGB666,bpp=32 video=mx cfb1:dev=hdmi,1920x1080M@60,if=RGB32,bpp=16 video=mxcfb2:off fbmem=14M,28M v malloc=512M ldb=dul1

screen3=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=R GB24,bpp=32 video=mxcfb1:off video=mxcfb2:off fbmem=10M vmalloc=400M ldb=sin 00

screen4=setenv video video=mxcfb0:dev=ldb,1440x900M@60,if=RGB24,bpp=32 vi deo=mxcfb1:off video=mxcfb2:off fbmem=28M vmalloc=512M ldb=spl0

screen5=set env video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB24,bpp=32 video=mxcfb1:dev=hdmi ,1024x768M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ld b=dul1

screen6=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10 M,28M vmalloc=512M ldb=dul1

set_bootargs=setenv bootargs console=ttymxc0,115200 androidboot.console=ttymxc0 androidboot.hardware=freescale init=/init $ {video} enable_wait_mode=off calibration hw_name=${hw_name} hw_version=${hw_ version} fec_mac=${fec_mac}

hw_general=setenv lvds_num; run screen0

hw_P14 0=setenv lvds_num 0; run screen2

hw_S10=setenv lvds_num 0; run screen1

hw_ P10=run hw_S10

hw_C6=set lvds_num; run screen5

hw_name=generalhw_version =0"

# load ARCH, BOARD, and CPU configuration
include $(obj)include/config.mk  //在这里确定你在命令行输入make   ___config时候用的开发板式哪种
export ARCH CPU BOARD   VENDOR   SOC

####   $2   $3    $4           $5          $6

####   $0 = mkconfig  $1=___config(去掉后面的config)

# set default to nothing for native builds
ifeq ($(HOSTARCH),$(ARCH))
CROSS_COMPILE ?=
endif

# load other configuration
include $(TOPDIR)/config.mk   //在这个地方添加顶层目录的config.mk

#########################################################################
# U-Boot objects....order is important (i.e. start must be first)

OBJS = cpu/$(CPU)/start.o //最重要的是这个地方。一定要进去好好分析下

OBJS := $(addprefix $(obj),$(OBJS))//这里的addprefix 相当于给某个目录添加前缀，例如addprefix /hao ，/include 接果是/hao/include

LIBS = lib_generic/libgeneric.a
LIBS += lib_generic/lzma/liblzma.a
LIBS += lib_generic/lzo/liblzo.a
LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo
"board/$(VENDOR)/common/lib$(VENDOR).a"; fi)
LIBS += cpu/$(CPU)/lib$(CPU).a
ifdef SOC
LIBS += cpu/$(CPU)/$(SOC)/lib$(SOC).a
endif

LIBS += lib_$(ARCH)/lib$(ARCH).a
LIBS += fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a
fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/yaffs2/libyaffs2.a
fs/ubifs/libubifs.a
LIBS += net/libnet.a
LIBS += disk/libdisk.a
LIBS += drivers/bios_emulator/libatibiosemu.a
LIBS += drivers/block/libblock.a
LIBS += drivers/dma/libdma.a
LIBS += drivers/fpga/libfpga.a
LIBS += drivers/gpio/libgpio.a
LIBS += drivers/hwmon/libhwmon.a
LIBS += drivers/i2c/libi2c.a
LIBS += drivers/input/libinput.a
LIBS += drivers/misc/libmisc.a
LIBS += drivers/mmc/libmmc.a
LIBS += drivers/mtd/libmtd.a
LIBS += drivers/mtd/nand/libnand.a
LIBS += drivers/mtd/onenand/libonenand.a
LIBS += drivers/mtd/ubi/libubi.a
LIBS += drivers/mtd/spi/libspi_flash.a
LIBS += drivers/net/libnet.a
LIBS += drivers/net/phy/libphy.a
LIBS += drivers/net/sk98lin/libsk98lin.a
LIBS += drivers/pci/libpci.a
LIBS += drivers/pcmcia/libpcmcia.a
LIBS += drivers/power/libpower.a
LIBS += drivers/spi/libspi.a
LIBS += drivers/fastboot/libfastboot.a


LIBS += drivers/rtc/librtc.a
LIBS += drivers/serial/libserial.a
LIBS += drivers/twserial/libtws.a
LIBS += drivers/usb/gadget/libusb_gadget.a
LIBS += drivers/usb/host/libusb_host.a
LIBS += drivers/usb/musb/libusb_musb.a
LIBS += drivers/video/libvideo.a
LIBS += drivers/watchdog/libwatchdog.a
LIBS += common/libcommon.a
LIBS += libfdt/libfdt.a
LIBS += api/libapi.a
LIBS += post/libpost.a

LIBS := $(addprefix $(obj),$(LIBS))
.PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)

LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).a
LIBBOARD := $(addprefix $(obj),$(LIBBOARD))

# Add GCC lib
ifdef USE_PRIVATE_LIBGCC
ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
PLATFORM_LIBGCC = -L $(OBJTREE)/lib_$(ARCH) -lgcc
else
PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
endif
else
PLATFORM_LIBGCC = -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
endif
PLATFORM_LIBS += $(PLATFORM_LIBGCC)
export PLATFORM_LIBS

# Special flags for CPP when processing the linker script.
# Pass the version down so we can handle backwards compatibility
# on the fly.
LDPPFLAGS +=
-include $(TOPDIR)/include/u-boot/u-boot.lds.h
$(shell $(LD) --version |
sed -ne 's/GNU ld version ([0-9][0-9]*).([0-9][0-9]*).*/-DLD_MAJOR=1 -DLD_MINOR=2/p')

ifeq ($(CONFIG_NAND_U_BOOT),y)     //确定充nand启动u_boot
NAND_SPL = nand_spl
U_BOOT_NAND = $(obj)u-boot-nand.bin
endif

ifeq ($(CONFIG_ONENAND_U_BOOT),y)
ONENAND_IPL = onenand_ipl
U_BOOT_ONENAND = $(obj)u-boot-onenand.bin
endif

__OBJS := $(subst $(obj),,$(OBJS))
__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))

#########################################################################
#########################################################################

# Always append ALL so that arch config.mk's can add custom ones
ALL += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map $(U_BOOT_NAND) $(U_BOOT_ONENAND)

all: $(ALL)

#######下面所有的相当于解释每个文件怎么生成的

目标文件                 源文件

 命令

$(obj)u-boot.hex: $(obj)u-boot  //目标文件                 源文件
$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ // 命令

$(obj)u-boot.srec: $(obj)u-boot
$(OBJCOPY) -O srec $< $@

$(obj)u-boot.bin: $(obj)u-boot
$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@

$(obj)u-boot.ldr: $(obj)u-boot
$(obj)tools/envcrc --binary > $(obj)env-ldr.o
$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)

$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary

$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary

$(obj)u-boot.img: $(obj)u-boot.bin
./tools/mkimage -A $(ARCH) -T firmware -C none
-a $(TEXT_BASE) -e 0
-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) |
sed -e 's/"[ ]*$$/ for $(BOARD) board"/')
-d $< $@

$(obj)u-boot.sha1: $(obj)u-boot.bin
$(obj)tools/ubsha1 $(obj)u-boot.bin

$(obj)u-boot.dis: $(obj)u-boot
$(OBJDUMP) -d $< > $@

GEN_UBOOT =
UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) |
sed -n -e 's/.*($(SYM_PREFIX)__u_boot_cmd_.*)/-u1/p'|sort|uniq`;
cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS)
--start-group $(__LIBS) --end-group $(PLATFORM_LIBS)
-Map u-boot.map -o u-boot
$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
$(GEN_UBOOT)
ifeq ($(CONFIG_KALLSYMS),y)
smap=`$(call SYSTEM_MAP,u-boot) |
awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\000"}'` ;
$(CC) $(CFLAGS) -DSYSTEM_MAP=""$${smap}""
-c common/system_map.c -o $(obj)common/system_map.o
$(GEN_UBOOT) $(obj)common/system_map.o
endif

$(OBJS): depend  //有了depend
$(MAKE) -C cpu/$(CPU) $(if $(REMOTE_BUILD),$@,$(notdir $@))

$(LIBS): depend $(SUBDIRS)
$(MAKE) -C $(dir $(subst $(obj),,$@))

$(LIBBOARD): depend $(LIBS)
$(MAKE) -C $(dir $(subst $(obj),,$@))

$(SUBDIRS): depend
$(MAKE) -C $@ all

$(LDSCRIPT): depend
$(MAKE) -C $(dir $@) $(notdir $@)

$(obj)u-boot.lds: $(LDSCRIPT)
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@

$(NAND_SPL): $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
$(MAKE) -C nand_spl/board/$(BOARDDIR) all

$(U_BOOT_NAND): $(NAND_SPL) $(obj)u-boot.bin
cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin

$(ONENAND_IPL): $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
$(MAKE) -C onenand_ipl/board/$(BOARDDIR) all

$(U_BOOT_ONENAND): $(ONENAND_IPL) $(obj)u-boot.bin
cat $(obj)onenand_ipl/onenand-ipl-2k.bin $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
cat $(obj)onenand_ipl/onenand-ipl-4k.bin $(obj)u-boot.bin > $(obj)u-boot-flexonenand.bin

$(VERSION_FILE):
@( printf '#define U_BOOT_VERSION "U-Boot %s%s" ' "$(U_BOOT_VERSION)"
'$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ) > $@.tmp
@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@

$(TIMESTAMP_FILE):
@date +'#define U_BOOT_DATE "%b %d %C%y"' > $@
@date +'#define U_BOOT_TIME "%T"' >> $@

gdbtools:
$(MAKE) -C tools/gdb all || exit 1

updater:
$(MAKE) -C tools/updater all || exit 1

env:
$(MAKE) -C tools/env all MTD_VERSION=${MTD_VERSION} || exit 1

depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir _depend ; done

TAG_SUBDIRS += include
TAG_SUBDIRS += lib_generic board/$(BOARDDIR)
TAG_SUBDIRS += cpu/$(CPU)
TAG_SUBDIRS += lib_$(ARCH)
TAG_SUBDIRS += fs/cramfs
TAG_SUBDIRS += fs/fat
TAG_SUBDIRS += fs/fdos
TAG_SUBDIRS += fs/jffs2
TAG_SUBDIRS += fs/yaffs2
TAG_SUBDIRS += net
TAG_SUBDIRS += disk
TAG_SUBDIRS += common
TAG_SUBDIRS += drivers/bios_emulator
TAG_SUBDIRS += drivers/block
TAG_SUBDIRS += drivers/gpio
TAG_SUBDIRS += drivers/hwmon
TAG_SUBDIRS += drivers/i2c
TAG_SUBDIRS += drivers/input
TAG_SUBDIRS += drivers/misc
TAG_SUBDIRS += drivers/mmc
TAG_SUBDIRS += drivers/mtd
TAG_SUBDIRS += drivers/mtd/nand
TAG_SUBDIRS += drivers/mtd/onenand
TAG_SUBDIRS += drivers/mtd/spi
TAG_SUBDIRS += drivers/net
TAG_SUBDIRS += drivers/net/sk98lin
TAG_SUBDIRS += drivers/pci
TAG_SUBDIRS += drivers/pcmcia
TAG_SUBDIRS += drivers/qe
TAG_SUBDIRS += drivers/rtc
TAG_SUBDIRS += drivers/serial
TAG_SUBDIRS += drivers/spi
TAG_SUBDIRS += drivers/usb
TAG_SUBDIRS += drivers/video

tags ctags:
ctags -w -o $(obj)ctags `find $(SUBDIRS) $(TAG_SUBDIRS)
-name '*.[ch]' -print`

etags:
etags -a -o $(obj)etags `find $(SUBDIRS) $(TAG_SUBDIRS)
-name '*.[ch]' -print`
cscope:
find $(SUBDIRS) $(TAG_SUBDIRS) -name '*.[ch]' -print
> cscope.files
cscope -b -q -k

SYSTEM_MAP =
$(NM) $1 |
grep -v '(compiled)|(.o$$)|( [aUw] )|(..ng$$)|(LASH[RL]DI)' |
LC_ALL=C sort
$(obj)System.map: $(obj)u-boot
@$(call SYSTEM_MAP,$<) > $(obj)System.map

#
# Auto-generate the autoconf.mk file (which is included by all makefiles)
#
# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
# the dep file is only include in this top level makefile to determine when
# to regenerate the autoconf.mk file.
$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h   //这个地方指定了autoconfig.mk的由来
@$(XECHO) Generating $@ ;
set -e ;
: Generate the dependancies ;
$(CC) -x c -DDO_DEPS_ONLY -M $(HOSTCFLAGS) $(CPPFLAGS)
-MQ $(obj)include/autoconf.mk include/common.h > $@

$(obj)include/autoconf.mk: $(obj)include/config.h  //主要由config.h中的头文件包含而来 
@$(XECHO) Generating $@ ;
set -e ;
: Extract the config macros ;
$(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h |
sed -n -f tools/scripts/define2mk.sed > $@.tmp &&
mv $@.tmp $@

在我的/include/config.h文件的内容是：

1 /* Automatically generated - do not edit */
2 #include <configs/mx6q_sabresd_android_2G.h>
3 #include <asm/config.h>

顺藤摸瓜，进入mx6q_sabresd_android_1G.h文件，内容如下

22 #ifndef MX6Q_SABRESD_ANDROID_H
23 #define MX6Q_SABRESD_ANDROID_H
24
25 #define CONFIG_FASTBOOT_PRODUCT_NAME_STR "Cynoware i.mx6dq Device"
26 #include "mx6q_sabresd.h"  //最重要的文件
27 #include "mx6_sabresd_android.h"
28
29 #endif

再进入mx6q_sabresd.h文件如下为选取的部分CONFIG_定义

#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_NET_RETRY_COUNT 100
#define CONFIG_NET_MULTI 1
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_DNS

#define CONFIG_CMD_SPI
#define CONFIG_CMD_I2C
#define CONFIG_CMD_IMXOTP

/* Enable below configure when supporting nand */
#define CONFIG_CMD_SF
#define CONFIG_CMD_MMC
#define CONFIG_CMD_ENV
#define CONFIG_CMD_REGUL

#define CONFIG_CMD_CLOCK
#define CONFIG_REF_CLK_FREQ CONFIG_MX6_HCLK_FREQ

/* #define CONFIG_CMD_SATA */
#undef CONFIG_CMD_IMLS

#define CONFIG_CMD_IMX_DOWNLOAD_MODE

#define CONFIG_BOOTDELAY 3

#define CONFIG_PRIME "FEC0"

#define CONFIG_LOADADDR 0x10800000 /* loadaddr env var */
#define CONFIG_RD_LOADADDR (0x1300000)

#define CONFIG_EXTRA_ENV_SETTINGS
"netdev=eth0"
"ethprime=FEC0"
"uboot=u-boot.bin"
"kernel=uImage"
"nfsroot=/opt/eldk/arm"
"bootargs_base=setenv bootargs console=ttymxc0,115200"
"bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs "
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp"
"bootcmd_net=run bootargs_base bootargs_nfs; "
"tftpboot ${loadaddr} ${kernel}; bootm"
"bootargs_mmc=setenv bootargs ${bootargs} ip=dhcp "
"root=/dev/mmcblk0p1 rootwait"
"bootcmd_mmc=run bootargs_base bootargs_mmc; "
"mmc dev 3; "
"mmc read ${loadaddr} 0x800 0x2000; bootm"
"bootcmd=run bootcmd_net"

再进入mx6_sabresd_android.h文件分析

#ifndef MX6Q_SABRESD_ANDROID_INC_H
#define MX6Q_SABRESD_ANDROID_INC_H

#define CONFIG_USB_DEVICE
#define CONFIG_IMX_UDC 1
#define CONFIG_FASTBOOT 1
#define CONFIG_FASTBOOT_STORAGE_EMMC_SATA
#define CONFIG_FASTBOOT_VENDOR_ID 0x18d1
#define CONFIG_FASTBOOT_PRODUCT_ID 0x0d02
#define CONFIG_FASTBOOT_BCD_DEVICE 0x311
#define CONFIG_FASTBOOT_MANUFACTURER_STR "Freescale"
#define CONFIG_FASTBOOT_INTERFACE_STR "Android fastboot"
#define CONFIG_FASTBOOT_CONFIGURATION_STR "Android fastboot"
#define CONFIG_FASTBOOT_SERIAL_NUM "12345"
#define CONFIG_FASTBOOT_SATA_NO 0

/* For system.img growing up more than 256MB, more buffer needs
* to receive the system.img*/
#define CONFIG_FASTBOOT_TRANSFER_BUF 0x2c000000
#define CONFIG_FASTBOOT_TRANSFER_BUF_SIZE 0x14000000 /* 320M byte */

#define CONFIG_CMD_BOOTI
#define CONFIG_ANDROID_RECOVERY
/* which mmc bus is your main storage ? */
#define CONFIG_ANDROID_MAIN_MMC_BUS 3
#define CONFIG_ANDROID_BOOT_PARTITION_MMC 1
#define CONFIG_ANDROID_SYSTEM_PARTITION_MMC 5
#define CONFIG_ANDROID_RECOVERY_PARTITION_MMC 2
#define CONFIG_ANDROID_CACHE_PARTITION_MMC 6

#define CONFIG_ANDROID_RECOVERY_BOOTARGS_MMC NULL
#define CONFIG_ANDROID_RECOVERY_BOOTCMD_MMC
"booti mmc3 recovery"
#define CONFIG_ANDROID_RECOVERY_BOOTCMD_SD
"booti mmc2 recovery"
#define CONFIG_ANDROID_RECOVERY_CMD_FILE "/recovery/command"
#define CONFIG_INITRD_TAG

#undef CONFIG_LOADADDR
#undef CONFIG_RD_LOADADDR
#undef CONFIG_EXTRA_ENV_SETTINGS

#define CONFIG_LOADADDR 0x10800000 /* loadaddr env var */
#define CONFIG_RD_LOADADDR 0x11000000

#define CONFIG_INITRD_TAG
#define CONFIG_EXTRA_ENV_SETTINGS
"netdev=eth0"
"ethprime=FEC0"
"fastboot_dev=mmc3"
"bootcmd=run hw_${hw_name}; run hw_${hw_name}_${hw_version}; run set_bootargs; booti mmc3"
"bootcmd_android_recovery=run hw_${hw_name}; run hw_${hw_name}_${hw_version}; run set_bootargs; booti mmc3 recovery"
"splashimage=0x30000000"
"splashpos=m,m"
"lvds_num=0"
"screen0=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB24,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1"
"screen1=setenv video video=mxcfb0:dev=ldb,1024x600M@60,if=RGB666,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1"
"screen2=setenv video video=mxcfb0:dev=ldb,1366x768M@60,if=RGB666,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=14M,28M vmalloc=512M ldb=dul1"
"screen3=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB24,bpp=32 video=mxcfb1:off video=mxcfb2:off fbmem=10M vmalloc=400M ldb=sin0"
"screen4=setenv video video=mxcfb0:dev=ldb,1440x900M@60,if=RGB24,bpp=32 video=mxcfb1:off video=mxcfb2:off fbmem=28M vmalloc=512M ldb=spl0"
"screen5=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB24,bpp=32 video=mxcfb1:dev=hdmi,1024x768M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1"
"screen6=setenv video video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666,bpp=32 video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=32 video=mxcfb2:off fbmem=10M,28M vmalloc=512M ldb=dul1"
"set_bootargs=setenv bootargs console=ttymxc0,115200 androidboot.console=ttymxc0 androidboot.hardware=freescale init=/init ${video} enable_wait_mode=off calibration hw_name=${hw_name} hw_version=${hw_version} fec_mac=${fec_mac}"
"hw_general=setenv lvds_num; run screen0"
"hw_P140=setenv lvds_num 0; run screen2"
"hw_S10=setenv lvds_num 0; run screen1"
"hw_P10=run hw_S10"
"hw_C6=set lvds_num; run screen5"
"hw_name=general"
"hw_version=0"
#endif

//xh: remove fb0base=... according to https://freescale.hosted.jivesoftware.com/thread/325541

#########################################################################
else # !config.mk
all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin
$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot
$(SUBDIRS) $(TIMESTAMP_FILE) $(VERSION_FILE) gdbtools updater env depend
dep tags ctags etags cscope $(obj)System.map:
@echo "System not configured - see README" >&2
@ exit 1
endif # config.mk

.PHONY : CHANGELOG
CHANGELOG:
git log --no-merges U-Boot-1_1_5.. |
unexpand -a | sed -e 's/ss*$$//' > $@

include/license.h: tools/bin2header COPYING
cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
#########################################################################

unconfig:
@rm -f $(obj)include/config.h $(obj)include/config.mk
$(obj)board/*/config.tmp $(obj)board/*/*/config.tmp
$(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep

mx6dl_arm2_config
mx6dl_arm2_iram_config
mx6dl_arm2_mfg_config
mx6dl_arm2_lpddr2_config
mx6q_arm2_config
mx6q_arm2_nand_config
mx6q_arm2_android_config
mx6q_arm2_mfg_config
mx6q_arm2_lpddr2_config
mx6q_arm2_lpddr2pop_config
mx6q_arm2_iram_config : unconfig
@[ -z "$(findstring iram_,$@)" ] ||
{ echo "TEXT_BASE = 0x00907000" >$(obj)board/freescale/mx6q_arm2/config.tmp ;
echo "... with iram configuration" ;
}
@$(MKCONFIG) $(@:_config=) arm arm_cortexa8 mx6q_arm2 freescale mx6

#########################################################################
#########################################################################
#########################################################################

clean:
@rm -f $(obj)examples/standalone/82559_eeprom
$(obj)examples/standalone/eepro100_eeprom
$(obj)examples/standalone/hello_world
$(obj)examples/standalone/interrupt
$(obj)examples/standalone/mem_to_mem_idma2intr
$(obj)examples/standalone/sched
$(obj)examples/standalone/smc91111_eeprom
$(obj)examples/standalone/test_burst
$(obj)examples/standalone/timer
@rm -f $(obj)examples/api/demo{,.bin}
@rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo
$(obj)tools/env/{fw_printenv,fw_setenv}
$(obj)tools/envcrc
$(obj)tools/gdb/{astest,gdbcont,gdbsend}
$(obj)tools/gen_eth_addr $(obj)tools/img2srec
$(obj)tools/mkimage $(obj)tools/mpc86x_clk
$(obj)tools/ncb $(obj)tools/ubsha1
@rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}
$(obj)board/netstar/{eeprom,crcek,crcit,*.srec,*.bin}
$(obj)board/trab/trab_fkt $(obj)board/voiceblue/eeprom
$(obj)board/armltd/{integratorap,integratorcp}/u-boot.lds
$(obj)lib_blackfin/u-boot.lds
$(obj)u-boot.lds
$(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
@rm -f $(obj)include/bmp_logo.h
@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,System.map}
@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl-2k.bin,ipl-4k.bin,ipl.map}
@rm -f $(obj)onenand_ipl/u-boot.lds
@rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
@find $(OBJTREE) -type f
( -name 'core' -o -name '*.bak' -o -name '*~'
-o -name '*.o' -o -name '*.a' -o -name '*.exe' ) -print
| xargs rm -f

clobber: clean
@find $(OBJTREE) -type f ( -name .depend
-o -name '*.srec' -o -name '*.bin' -o -name u-boot.img )
-print0
| xargs -0 rm -f
@rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS
$(obj)cscope.* $(obj)*.*~
@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
@rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
@rm -f $(obj)cpu/mpc824x/bedbug_603e.c
@rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
@[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f

ifeq ($(OBJTREE),$(SRCTREE))
mrproper
distclean: clobber unconfig
else
mrproper
distclean: clobber unconfig
rm -rf $(obj)*
endif

backup:
F=`basename $(TOPDIR)` ; cd .. ;
gtar --force-local -zcvf `date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F

#########################################################################