1# 2# kbuild file for firmware/ 3# 4 5# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a 6# leading /, it's relative to $(srctree). 7fwdir := $(subst ",,$(CONFIG_EXTRA_FIRMWARE_DIR)) 8fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) 9 10fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE)) 11 12# There are three cases to care about: 13# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should 14# include the firmware files to include, according to .config 15# 2. 'make modules_install', which will install firmware for modules, and 16# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n 17# 3. 'make firmware_install', which installs all firmware, unconditionally. 18 19# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be 20# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all). 21# But be aware that the config file might not be included at all. 22 23fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin 24fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw 25fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin 26fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin 27fw-shipped-$(CONFIG_SMCTR) += tr_smctr.bin 28fw-shipped-$(CONFIG_SND_KORG1212) += korg/k1212.dsp 29fw-shipped-$(CONFIG_SND_MAESTRO3) += ess/maestro3_assp_kernel.fw \ 30 ess/maestro3_assp_minisrc.fw 31fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \ 32 sb16/ima_adpcm_init.csp \ 33 sb16/ima_adpcm_playback.csp \ 34 sb16/ima_adpcm_capture.csp 35fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \ 36 yamaha/ds1e_ctrl.fw 37fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin 38fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \ 39 emi26/bitstream.fw 40fw-shipped-$(CONFIG_USB_EMI62) += emi62/loader.fw emi62/bitstream.fw \ 41 emi62/spdif.fw emi62/midi.fw 42fw-shipped-$(CONFIG_USB_KAWETH) += kaweth/new_code.bin kaweth/trigger_code.bin \ 43 kaweth/new_code_fix.bin \ 44 kaweth/trigger_code_fix.bin 45ifdef CONFIG_FIRMWARE_IN_KERNEL 46fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += keyspan/mpr.fw 47fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += keyspan/usa18x.fw 48fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += keyspan/usa19.fw 49fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += keyspan/usa19qi.fw 50fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += keyspan/usa19qw.fw 51fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += keyspan/usa19w.fw 52fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += keyspan/usa28.fw 53fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += keyspan/usa28xa.fw 54fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += keyspan/usa28xb.fw 55fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += keyspan/usa28x.fw 56fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += keyspan/usa49w.fw 57fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += keyspan/usa49wlc.fw 58else 59fw-shipped- += keyspan/mpr.fw keyspan/usa18x.fw keyspan/usa19.fw \ 60 keyspan/usa19qi.fw keyspan/usa19qw.fw keyspan/usa19w.fw \ 61 keyspan/usa28.fw keyspan/usa28xa.fw keyspan/usa28xb.fw \ 62 keyspan/usa28x.fw keyspan/usa49w.fw keyspan/usa49wlc.fw 63endif 64fw-shipped-$(CONFIG_USB_SERIAL_TI) += ti_3410.fw ti_5052.fw 65fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += edgeport/boot.fw edgeport/boot2.fw \ 66 edgeport/down.fw edgeport/down2.fw 67fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += edgeport/down3.bin 68fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += whiteheat_loader.fw whiteheat.fw \ 69 # whiteheat_loader_debug.fw 70fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw 71fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw 72fw-shipped-$(CONFIG_USB_VICAM) += vicam/firmware.fw 73fw-shipped-$(CONFIG_VIDEO_CPIA2) += cpia2/stv0672_vp4.bin 74 75fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-) 76 77# Directories which we _might_ need to create, so we have a rule for them. 78firmware-dirs := $(sort $(addprefix $(objtree)/$(obj)/,$(dir $(fw-external-y) $(fw-shipped-all)))) 79 80quiet_cmd_mkdir = MKDIR $(patsubst $(objtree)/%,%,$@) 81 cmd_mkdir = mkdir -p $@ 82 83quiet_cmd_ihex = IHEX $@ 84 cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@ 85 86quiet_cmd_ihex2fw = IHEX2FW $@ 87 cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@ 88 89quiet_cmd_h16tofw = H16TOFW $@ 90 cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@ 91 92quiet_cmd_fwbin = MK_FW $@ 93 cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \ 94 FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \ 95 firmware/%.gen.S,%,$@))))"; \ 96 ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \ 97 ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \ 98 PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \ 99 echo "/* Generated by firmware/Makefile */" > $@;\ 100 echo " .section .rodata" >>$@;\ 101 echo " .p2align $${ASM_ALIGN}" >>$@;\ 102 echo "_fw_$${FWSTR}_bin:" >>$@;\ 103 echo " .incbin \"$(2)\"" >>$@;\ 104 echo "_fw_end:" >>$@;\ 105 echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\ 106 echo " .p2align $${ASM_ALIGN}" >>$@;\ 107 echo "_fw_$${FWSTR}_name:" >>$@;\ 108 echo " .string \"$$FWNAME\"" >>$@;\ 109 echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\ 110 echo " .p2align $${ASM_ALIGN}" >>$@;\ 111 echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\ 112 echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\ 113 echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@; 114 115# One of these files will change, or come into existence, whenever 116# the configuration changes between 32-bit and 64-bit. The .S files 117# need to change when that happens. 118wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \ 119 include/config/ppc32.h include/config/ppc64.h \ 120 include/config/superh32.h include/config/superh64.h \ 121 include/config/x86_32.h include/config/x86_64.h) 122 123# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work. 124# It'll end up depending on these targets, so make them a PHONY rule which 125# depends on _all_ the directories in $(firmware-dirs), and it'll work out OK. 126PHONY += $(objtree)/$$(%) $(objtree)/$(obj)/$$(%) 127$(objtree)/$$(%) $(objtree)/$(obj)/$$(%): $(firmware-dirs) 128 @true 129 130# For the $$(dir %) trick, where we need % to be expanded first. 131.SECONDEXPANSION: 132 133$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps) \ 134 | $(objtree)/$$(dir %) 135 $(call cmd,fwbin,$(patsubst %.gen.S,%,$@)) 136$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \ 137 include/config/extra/firmware/dir.h | $(objtree)/$$(dir %) 138 $(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@)) 139 140# The .o files depend on the binaries directly; the .S files don't. 141$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: % 142$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/% 143 144# .ihex is used just as a simple way to hold binary files in a source tree 145# where binaries are frowned upon. They are directly converted with objcopy. 146$(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %) 147 $(call cmd,ihex) 148 149# Don't depend on ihex2fw if we're installing and it already exists. 150# Putting it after | in the dependencies doesn't seem sufficient when 151# we're installing after a cross-compile, because ihex2fw has dependencies 152# on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and 153# thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree 154# is exported read-only for someone to run 'make install'. 155ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw) 156ihex2fw_dep := 157else 158ihex2fw_dep := $(obj)/ihex2fw 159endif 160 161# .HEX is also Intel HEX, but where the offset and length in each record 162# is actually meaningful, because the firmware has to be loaded in a certain 163# order rather than as a single binary blob. Thus, we convert them into our 164# more compact binary representation of ihex records (<linux/ihex.h>) 165$(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep) | $(objtree)/$(obj)/$$(dir %) 166 $(call cmd,ihex2fw) 167 168# .H16 is our own modified form of Intel HEX, with 16-bit length for records. 169$(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep) | $(objtree)/$(obj)/$$(dir %) 170 $(call cmd,h16tofw) 171 172$(firmware-dirs): 173 $(call cmd,mkdir) 174 175obj-y += $(patsubst %,%.gen.o, $(fw-external-y)) 176obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y)) 177 178# Remove .S files and binaries created from ihex 179# (during 'make clean' .config isn't included so they're all in $(fw-shipped-)) 180targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \ 181 $(shell find $(obj) -name \*.gen.S 2>/dev/null)) 182 183# Without this, built-in.o won't be created when it's empty, and the 184# final vmlinux link will fail. 185obj-n := dummy 186 187hostprogs-y := ihex2fw 188