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      1 
      2 # GNU Makefile for Broadcom Dongle Host Driver
      3 #
      4 # Copyright (C) 1999-2010, Broadcom Corporation
      5 # 
      6 #      Unless you and Broadcom execute a separate written software license
      7 # agreement governing use of this software, this software is licensed to you
      8 # under the terms of the GNU General Public License version 2 (the "GPL"),
      9 # available at http://www.broadcom.com/licenses/GPLv2.php, with the
     10 # following added to such license:
     11 # 
     12 #      As a special exception, the copyright holders of this software give you
     13 # permission to link this software with independent modules, and to copy and
     14 # distribute the resulting executable under terms of your choice, provided that
     15 # you also meet, for each linked independent module, the terms and conditions of
     16 # the license of that module.  An independent module is a module which is not
     17 # derived from this software.  The special exception does not apply to any
     18 # modifications of the software.
     19 # 
     20 #      Notwithstanding the above, under no circumstances may you combine this
     21 # software in any way with any other Broadcom software provided under a license
     22 # other than the GPL, without Broadcom's express prior written consent.
     23 #
     24 # $Id: Makefile,v 1.55.2.6.2.10.6.28 2010/03/26 21:49:31 Exp $
     25 #
     26 
     27 # Try a couple of places for LINUXDIR if not specified
     28 ifeq ($(LINUXDIR),)
     29 ifeq ($(LINUXVER),)
     30 # Neither one is specified, use uname for version
     31 LINUXVER := $(shell uname -r)
     32 endif
     33 ifneq ($(wildcard /lib/modules/$(LINUXVER)/build/include/linux/version.h),)
     34 LINUXDIR := /lib/modules/$(LINUXVER)/build
     35 else
     36 ifneq ($(wildcard /tools/linux/src/linux-$(LINUXVER)/include/linux/version.h),)
     37 LINUXDIR := /tools/linux/src/linux-$(LINUXVER)
     38 else
     39 LINUXDIR := /usr/src/linux
     40 endif
     41 endif
     42 endif
     43 
     44 # Derive LINUXVER from LINUXDIR
     45 MYKERNEL_RELEASE_KEYWORD:="KERNELRELEASE[[:space:]]*=.*kernel.release"
     46 MYKERNEL_DEFINITION:=$(if \
     47   $(shell grep $(MYKERNEL_RELEASE_KEYWORD) $(LINUXDIR)/Makefile 2> /dev/null),\
     48   grep $(MYKERNEL_RELEASE_KEYWORD) $(LINUXDIR)/Makefile,\
     49   cat $(LINUXDIR)/Makefile)
     50 
     51 LINUXVER:=$(shell ($(MYKERNEL_DEFINITION); echo "show_kernel_version_number$$$$:;@echo \$$(KERNELRELEASE)") 2> /dev/null | $(MAKE) --no-print-directory -k -C $(LINUXDIR) MYUNAME="" -f - show_kernel_version_number$$$$ 2> /dev/null)
     52 
     53 ifeq ($(LINUXVER),)
     54      $(error LINUXVER=$(LINUXVER) is empty)
     55 endif # LINUXVER
     56 
     57 $(warning Found LINUXVER=$(LINUXVER))
     58 $(warning Found LINUXDIR=$(LINUXDIR))
     59 
     60 # check if 2.4 kernel or 2.5+ kernel
     61 BCM_KVER:=$(shell echo $(LINUXVER) | cut -c1-3 | sed 's/2\.[56]/2\.6/')
     62 
     63 # Allow CROSS_COMPILE to specify compiler base
     64 CC := $(CROSS_COMPILE)gcc
     65 LD := $(CROSS_COMPILE)ld
     66 NM := $(CROSS_COMPILE)nm
     67 OBJCOPY := $(CROSS_COMPILE)objcopy
     68 
     69 # driver source base and C file path
     70 ifeq ($(SRCBASE),)
     71 SRCBASE := $(shell /bin/pwd)/../..
     72 endif
     73 vpath %.c $(SRCBASE)/dhd/sys $(SRCBASE)/shared $(SRCBASE)/bcmsdio/sys $(SRCBASE)/wl/sys $(SRCBASE)/crypto
     74 
     75 ## Initialize DFLAGS
     76 DFLAGS :=
     77 
     78 
     79 # basic options (defines in DFLAGS, includes in IFLAGS)
     80 DFLAGS += -DLINUX -DSRCBASE=\"$(SRCBASE)\" -DBCMDRIVER -DBCMDONGLEHOST -DDHDTHREAD -DBCMWPA2 -DBCMWAPI_WPI
     81 DFLAGS += -DUNRELEASEDCHIP
     82 ifeq ($(BCMQT),1)
     83 	DFLAGS += -DBCMSLTGT -DBCMQT
     84 endif
     85 ifeq ($(WLTEST),1)
     86 	DFLAGS += -DWLTEST -DIOCTL_RESP_TIMEOUT=20000
     87 	DFLAGS += -DDHD_SPROM
     88 endif
     89 
     90 
     91 # Past 2.6.29 kernels, arch specific bits are re-organized in linux kernel. So
     92 # append new include paths to existing ones to get 2.6.29+ kernels compile
     93 
     94 # Default DHDARCH is x86
     95 ifdef ARCH
     96    DHDARCH ?= $(ARCH)
     97 else
     98    DHDARCH ?= x86
     99 endif
    100 
    101 ifneq ($(findstring native,$(TARGET)),)
    102    DHDARCH = x86
    103 endif
    104 ifneq ($(findstring mips,$(TARGET)),)
    105    DHDARCH = mips
    106 endif
    107 ifneq ($(findstring arm,$(TARGET)),)
    108    DHDARCH = arm
    109 endif
    110 
    111 # First include from linux kernel dirs
    112 IFLAGS := -I$(LINUXDIR)/include 
    113 IFLAGS += -I$(LINUXDIR)/include/asm/mach-default 
    114 # Followed by 2.6.29+ specific paths
    115 IFLAGS += -I$(LINUXDIR)/arch/$(DHDARCH)/include
    116 IFLAGS += -I$(LINUXDIR)/arch/$(DHDARCH)/include/asm/mach-default
    117 
    118 # From current workspace
    119 IFLAGS += -I. 
    120 IFLAGS += -I$(SRCBASE)/include 
    121 IFLAGS += -I$(SRCBASE)/shared 
    122 IFLAGS += -I$(SRCBASE)/dhd/sys 
    123 IFLAGS += -I$(SRCBASE)/dongle 
    124 IFLAGS += -I$(SRCBASE)/wl/sys
    125 
    126 ifneq ($(wildcard $(LINUXDIR)/.config),)
    127 include $(LINUXDIR)/.config
    128 else
    129 # This is dangerous, since we don't know if they are really configured.
    130 CONFIG_WIRELESS_EXT=y
    131 DFLAGS += -DCONFIG_WIRELESS_EXT
    132 endif
    133 
    134 ifeq ($(CONFIG_MMC_MSM7X00A),y)
    135 DFLAGS += -Dlinux
    136 DFLAGS += -DDHD_SDALIGN=64 -DMAX_HDR_READ=64 -DDHD_FIRSTREAD=64
    137 endif
    138 
    139 WFLAGS := -Wall -Wstrict-prototypes
    140 ifeq (,$(findstring 2.4.18,$(LINUXVER)))
    141 WFLAGS += -Werror
    142 endif
    143 
    144 CFILES:= dhd_linux.c linux_osl.c bcmutils.c dhd_common.c dhd_custom_gpio.c
    145 CFILES += siutils.c sbutils.c aiutils.c hndpmu.c
    146 
    147 # threading options
    148 ifneq ($(findstring -nothread-,-$(TARGET)-),)
    149 DFLAGS += -UDHDTHREAD
    150 endif
    151 
    152 # Building gpl provides thread prioritization
    153 ifneq ($(findstring -gpl-,-$(TARGET)-),)
    154 CFILES += dhd_linux_sched.c
    155 DFLAGS += -DDHD_GPL -DDHD_SCHED
    156 endif
    157 
    158 ifeq ($(WLTEST),1)
    159 	CFILES += bcmsrom.c bcmotp.c
    160 endif
    161 
    162 ifeq ($(CONFIG_NET_RADIO),y)
    163 CFILES +=  bcmwifi.c
    164 	ifeq ($(findstring -cfg-,-$(TARGET)-),)
    165 	CFILES += wl_iw.c
    166 	endif
    167 else
    168 	ifeq ($(CONFIG_WIRELESS_EXT),y)
    169 	CFILES += bcmwifi.c
    170 		ifeq ($(findstring -cfg-,-$(TARGET)-),)
    171 		CFILES += wl_iw.c
    172 		endif
    173 	endif
    174 endif
    175 
    176 OFILES=$(CFILES:.c=.o)
    177 
    178 # Make debug a separate option
    179 ifneq ($(findstring -debug-,-$(TARGET)-),)
    180 DFLAGS += -DDHD_DEBUG -DSDTEST
    181 endif
    182 
    183 # Make big-endian a separate option
    184 ifneq ($(findstring -be-,-$(TARGET)-),)
    185 DFLAGS += -DIL_BIGENDIAN
    186 endif
    187 
    188 ifneq ($(findstring -dnglimage-,-$(TARGET)-),)
    189 ## Embeddable dongle image name
    190 DNGL_IMAGE_NAME ?= 4325b0/sdio-g-cdc-reclaim-idsup-wme
    191 DFLAGS += -DBCMEMBEDIMAGE -DIMAGE_NAME="$(DNGL_IMAGE_NAME)"
    192 IFLAGS += -I$(SRCBASE)/dongle/rte/wl/builds/$(DNGL_IMAGE_NAME)
    193 endif
    194 
    195 ifneq ($(findstring -cdc-,-$(TARGET)-),)
    196 DFLAGS += -DBDC -DTOE 
    197 DFLAGS += -DDHD_BCMEVENTS -DSHOW_EVENTS
    198 CFILES += dhd_cdc.c
    199 ifneq ($(findstring -apsta-,-$(TARGET)-),)
    200 DFLAGS += -DAP -DAPSTA_PINGTEST
    201 endif
    202 endif
    203 ifneq ($(findstring -rndis-,-$(TARGET)-),)
    204 DFLAGS += -DRNDIS
    205 CFILES += dhd_rndis.c
    206 endif
    207 		  
    208 ifneq ($(findstring -usb-,-$(TARGET)-),)
    209 DFLAGS += -DBCMDHDUSB
    210 CFILES += dhd_usb_linux.c
    211 endif
    212 ifneq ($(findstring -sdio-,-$(TARGET)-),)
    213 DFLAGS += -DBCMSDIO
    214 CFILES += dhd_sdio.c
    215 endif
    216 ifneq ($(findstring -sdstd-,$(TARGET)-),)
    217 DFLAGS += -DBCMSDIO -DBCMSDIOH_STD
    218 CFILES += dhd_sdio.c bcmsdh.c bcmsdstd.c bcmsdstd_linux.c bcmsdh_linux.c
    219 endif
    220 ifneq ($(findstring -softap-,-$(TARGET)-),)
    221 DFLAGS += -DSOFTAP
    222 CFILES += sha1.c md5.c
    223 endif
    224 ifneq ($(findstring -cfg-,-$(TARGET)-),)
    225 DFLAGS += -DWL_CFG80211
    226 CFILES += wl_cfg80211.c
    227 endif
    228 ifneq ($(findstring -oob-,-$(TARGET)-),)
    229 DFLAGS += -DOOB_INTR_ONLY
    230 DFLAGS += -DHW_OOB
    231 DFLAGS += -DMMC_SDIO_ABORT
    232 else
    233 ifneq ($(findstring -sdmmc-,-$(TARGET)-),)
    234 DFLAGS += -DSDIO_ISR_THREAD
    235 endif
    236 endif
    237 ifneq ($(findstring -sdmmc-,-$(TARGET)-),)
    238 DFLAGS += -DBCMSDIO -DDHD_GPL -DBCMLXSDMMC -DBCMPLATFORM_BUS 
    239 CFILES += dhd_sdio.c bcmsdh_sdmmc.c bcmsdh.c bcmsdh_linux.c bcmsdh_sdmmc_linux.c
    240 endif
    241 ifneq ($(findstring -sdspi-,$(TARGET)-),)
    242 DFLAGS += -DBCMSDIO -DBCMSDIOH_SPI -DTESTDONGLE # -DBCMSDYIELD
    243 CFILES += dhd_sdio.c bcmsdh.c bcmsdspi.c bcmsdspi_linux.c bcmsdh_linux.c 
    244 endif
    245 ifneq ($(findstring -pci,$(TARGET)-),)
    246 CFILES += bcmpcispi.c
    247 endif
    248 ifneq ($(findstring -sdext-,$(TARGET)-),)
    249 DFLAGS += -DBCMSDIO -DTESTDONGLE
    250 CFILES += dhd_sdio.c
    251 endif
    252 ifneq ($(findstring -intc1,$(shell echo $(LINUXVER))),)
    253 DFLAGS += -DSANDGATE2G
    254 endif
    255 
    256 CFLAGS += -fshort-wchar $(DFLAGS) $(WFLAGS) $(IFLAGS) $(CUSTOM_FLAGS)
    257 
    258 
    259 
    260 LDFLAGS := -r
    261 MODULES := dhd.o
    262 ifeq ($(BCM_KVER), 2.6)
    263   ##Kernel module names in 2.6 kernel have .ko suffix
    264   KMODULES:=dhd.ko
    265   ifneq ($(findstring -nexus-,$(TARGET)-),)
    266     KMODULES:=bcm4329.ko
    267   endif
    268 else
    269   KMODULES:=$(MODULES)
    270 endif
    271 
    272 
    273 # host options
    274 HOSTCC := $(CC)
    275 ifneq ($(BCM_KVER), 2.6)
    276   HOSTCFLAGS := $(CFLAGS) $(shell $(MAKE) --no-print-directory -s -C $(LINUXDIR) script 'SCRIPT=@echo $$(CFLAGS) $$(MODFLAGS)')
    277 else
    278   HOSTCFLAGS := $(CFLAGS) -D__KERNEL__
    279   DHDCFLAGS = $(HOSTCFLAGS) -I$(shell pwd)
    280   export DHDCFLAGS
    281   DHDOFILES = $(OFILES)
    282   export DHDOFILES
    283 endif
    284 
    285 TARGETS := \
    286 	dhd-cdc-usb dhd-cdc-sdstd \
    287 	dhd-cdc-sdspi-pci dhd-cdc-sdmmc-gpl dhd-cdc-sdmmc-oob-gpl \
    288 	dhd-cdc-usb-apsta dhd-cdc-usb-gpl \
    289 	dhd-cdc-sdstd-apsta \
    290 	dhd-cdc-sdmmc-softap-gpl \
    291 	dhd-cdc-sdmmc-cfg-gpl
    292 
    293 
    294 TARGETS += \
    295 	dhd-cdc-sdio-dnglimage dhd-cdc-sdspi-pci-dnglimage \
    296 	dhd-cdc-gspi-pci
    297 #ifdef RNDIS
    298 TARGETS += dhd-rndis-usb
    299 #endif
    300 TARGETS += dhd-cdc-sdext-be
    301 TARGETS += dhd-cdc-sdext-be-dnglimage
    302 ifneq ($(findstring -intc1,$(shell echo $(LINUXVER))),)
    303 TARGETS += dhd-cdc-sdio dhd-cdc-sdiofd # dhd-cdc-sdmmc
    304 endif
    305 TARGETS += $(foreach tgt, $(TARGETS), $(tgt)-debug)
    306 
    307 OBJDIR=$(TARGET)-$(LINUXVER)$(if $(BCMQT),-bcmqt)
    308 
    309 all: $(filter %-sdio %-sdbcm %-sdstd %-usb %sdspi-pci %-sdiofd %-sdmmc, $(TARGETS))
    310 sdio: $(filter %-sdio %-sdbcm %-sdstd, $(TARGETS))
    311 usb: $(filter %-usb, $(TARGETS))
    312 sdspi: $(filter %-sdspi-pci %-sdspi-cheetah, %-sdspi-u2c $(TARGETS))
    313 
    314 # Allow making target with the LINUXVER suffix already on it.
    315 # (Typical of command line tab completion; trailing slash still not allowed)
    316 %-$(LINUXVER): force
    317 	$(MAKE) $(@:%-$(LINUXVER)=%)
    318 
    319 $(TARGETS):
    320 	@echo "MAKING $@"
    321 	$(MAKE) TARGET=$@ objdir
    322 
    323 # Show compiler version, for the current target build
    324 showenv:
    325 	@echo "CC = $(CC) (ver=`$(CC) -dumpversion`; host=`hostname`; processor=`uname -m`)"
    326 
    327 objdir: showenv
    328 	@echo "Making objdir $(OBJDIR)"
    329 	@echo "TARGET is $(TARGET)"
    330 	mkdir -p $(OBJDIR)
    331 ifneq ($(BCM_KVER), 2.6)
    332 	$(MAKE) -C $(OBJDIR) -f $(SRCBASE)/dhd/linux/Makefile SRCBASE=$(SRCBASE) dep
    333 endif
    334 	$(MAKE) -C $(OBJDIR) -f $(SRCBASE)/dhd/linux/Makefile SRCBASE=$(SRCBASE) modules
    335 ifeq ($(BCM_KVER), 2.6)
    336 	$(OBJCOPY) --strip-unneeded $(OBJDIR)/$(KMODULES) $(OBJDIR)/$(KMODULES).stripped
    337 else
    338 	$(OBJCOPY) --strip-unneeded $(OBJDIR)/$(MODULES) $(OBJDIR)/$(MODULES).stripped
    339 endif
    340 
    341 dep: $(foreach file,$(CFILES),.$(file).depend)
    342 .%.c.depend: %.c
    343 	$(HOSTCC) $(HOSTCFLAGS) -M $< > $@ || (rm -f $@; exit 1)
    344 .%.c.depend::
    345 	touch $@
    346 
    347 ifeq ($(BCM_KVER), 2.6)
    348 modules: $(OFILES)
    349 	test -r ./Makefile || ln -s $(SRCBASE)/dhd/linux/makefile.26 ./Makefile
    350 	$(MAKE) -C $(LINUXDIR) M=$(shell pwd) $(if $(VERBOSE),V=1) modules
    351 else
    352 modules: $(MODULES)
    353 endif
    354 
    355 $(MODULES): $(OFILES)
    356 	$(LD) $(LDFLAGS) -o $@ $^
    357 
    358 ifeq ($(BCM_KVER), 2.6)
    359 %.o: %.c
    360   # when make is called from 2.6, vpath doesn't work so we need to link the files.
    361 	test -r ./$< || ln -s $< .
    362 else
    363 %.o: %.c
    364 	$(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
    365 	@( \
    366 	echo 'ifneq ($$(HOSTCFLAGS),$(HOSTCFLAGS))' ; \
    367 	echo '$@: force' ; \
    368 	echo 'endif' ; \
    369 	) > .$*.c.flags
    370 endif
    371 
    372 force:
    373 
    374 clean:
    375 	rm -rf dhd-*
    376 
    377 ifneq ($(wildcard .*.depend),)
    378 include $(wildcard .*.depend)
    379 endif
    380 ifneq ($(wildcard .*.flags),)
    381 include $(wildcard .*.flags)
    382 endif
    383