firmware/Makefile

   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).
   7 fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
   8 fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
   9
  10 fw-external-y := $(subst $(quote),,$(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
  23 ifdef CONFIG_ACENIC_OMIT_TIGON_I
  24 acenic-objs := $(DEBLOBBED)
  25 fw-shipped- += $(DEBLOBBED)
  26 else
  27 acenic-objs := $(DEBLOBBED) $(DEBLOBBED)
  28 endif
  29 fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs)
  30 fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += $(DEBLOBBED) \
  31                                          $(DEBLOBBED)
  32 fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
  33 fw-shipped-$(CONFIG_ATM_AMBASSADOR) += $(DEBLOBBED)
  34 fw-shipped-$(CONFIG_BNX2X) += $(DEBLOBBED) \
  35                               $(DEBLOBBED) \
  36                               $(DEBLOBBED)
  37 fw-shipped-$(CONFIG_BNX2) += $(DEBLOBBED) \
  38                              $(DEBLOBBED) \
  39                              $(DEBLOBBED) \
  40                              $(DEBLOBBED) \
  41                              $(DEBLOBBED)
  42 fw-shipped-$(CONFIG_CASSINI) += $(DEBLOBBED)
  43 fw-shipped-$(CONFIG_CHELSIO_T3) += $(DEBLOBBED) \
  44                                    $(DEBLOBBED) \
  45                                    $(DEBLOBBED) \
  46                                    $(DEBLOBBED) \
  47                                    $(DEBLOBBED)
  48 fw-shipped-$(CONFIG_DRM_MGA) += $(DEBLOBBED) $(DEBLOBBED)
  49 fw-shipped-$(CONFIG_DRM_R128) += $(DEBLOBBED)
  50 fw-shipped-$(CONFIG_DRM_RADEON) += $(DEBLOBBED) $(DEBLOBBED) \
  51                                    $(DEBLOBBED) $(DEBLOBBED) \
  52                                    $(DEBLOBBED) $(DEBLOBBED) \
  53                                    $(DEBLOBBED) \
  54                                    $(DEBLOBBED) $(DEBLOBBED) \
  55                                    $(DEBLOBBED) $(DEBLOBBED) \
  56                                    $(DEBLOBBED) $(DEBLOBBED) \
  57                                    $(DEBLOBBED) $(DEBLOBBED) \
  58                                    $(DEBLOBBED) $(DEBLOBBED) \
  59                                    $(DEBLOBBED) $(DEBLOBBED) \
  60                                    $(DEBLOBBED) $(DEBLOBBED) \
  61                                    $(DEBLOBBED) $(DEBLOBBED) \
  62                                    $(DEBLOBBED) $(DEBLOBBED) \
  63                                    $(DEBLOBBED) $(DEBLOBBED)
  64 fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
  65 fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += $(DEBLOBBED)
  66 fw-shipped-$(CONFIG_E100) += $(DEBLOBBED) $(DEBLOBBED) \
  67                              $(DEBLOBBED)
  68 fw-shipped-$(CONFIG_MYRI_SBUS) += $(DEBLOBBED)
  69 fw-shipped-$(CONFIG_PCMCIA_PCNET) += $(DEBLOBBED) $(DEBLOBBED) \
  70                                      $(DEBLOBBED) $(DEBLOBBED) \
  71                                      $(DEBLOBBED) $(DEBLOBBED) \
  72                                      $(DEBLOBBED)
  73 fw-shipped-$(CONFIG_PCMCIA_3C589) += $(DEBLOBBED)
  74 fw-shipped-$(CONFIG_PCMCIA_3C574) += $(DEBLOBBED)
  75 fw-shipped-$(CONFIG_SERIAL_8250_CS) += $(DEBLOBBED) $(DEBLOBBED) \
  76                                        $(DEBLOBBED) $(DEBLOBBED) \
  77                                        $(DEBLOBBED) $(DEBLOBBED) \
  78                                        $(DEBLOBBED)
  79 fw-shipped-$(CONFIG_PCMCIA_SMC91C92) += $(DEBLOBBED)
  80 fw-shipped-$(CONFIG_SCSI_ADVANSYS) += $(DEBLOBBED) $(DEBLOBBED) \
  81                                       $(DEBLOBBED) $(DEBLOBBED)
  82 fw-shipped-$(CONFIG_SCSI_QLOGIC_1280) += $(DEBLOBBED) $(DEBLOBBED) \
  83                                          $(DEBLOBBED)
  84 fw-shipped-$(CONFIG_SCSI_QLOGICPTI) += $(DEBLOBBED)
  85 fw-shipped-$(CONFIG_INFINIBAND_QIB) += $(DEBLOBBED)
  86 fw-shipped-$(CONFIG_SND_KORG1212) += $(DEBLOBBED)
  87 fw-shipped-$(CONFIG_SND_MAESTRO3) += $(DEBLOBBED) \
  88                                      $(DEBLOBBED)
  89 fw-shipped-$(CONFIG_SND_SB16_CSP) += $(DEBLOBBED) $(DEBLOBBED) \
  90                                      $(DEBLOBBED) \
  91                                      $(DEBLOBBED) \
  92                                      $(DEBLOBBED)
  93 fw-shipped-$(CONFIG_SND_YMFPCI) += $(DEBLOBBED) $(DEBLOBBED) \
  94                                    $(DEBLOBBED)
  95 fw-shipped-$(CONFIG_SND_WAVEFRONT) += $(DEBLOBBED)
  96 fw-shipped-$(CONFIG_TEHUTI) += $(DEBLOBBED)
  97 fw-shipped-$(CONFIG_TIGON3) += $(DEBLOBBED) $(DEBLOBBED) \
  98                                $(DEBLOBBED)
  99 fw-shipped-$(CONFIG_TYPHOON) += $(DEBLOBBED)
 100 fw-shipped-$(CONFIG_USB_EMI26) += $(DEBLOBBED) $(DEBLOBBED) \
 101                                   $(DEBLOBBED)
 102 fw-shipped-$(CONFIG_USB_EMI62) += $(DEBLOBBED) $(DEBLOBBED) \
 103                                   $(DEBLOBBED) $(DEBLOBBED)
 104 fw-shipped-$(CONFIG_USB_KAWETH) += $(DEBLOBBED) $(DEBLOBBED) \
 105                                    $(DEBLOBBED) \
 106                                    $(DEBLOBBED)
 107 ifdef CONFIG_FIRMWARE_IN_KERNEL
 108 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += $(DEBLOBBED)
 109 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += $(DEBLOBBED)
 110 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += $(DEBLOBBED)
 111 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += $(DEBLOBBED)
 112 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += $(DEBLOBBED)
 113 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += $(DEBLOBBED)
 114 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += $(DEBLOBBED)
 115 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += $(DEBLOBBED)
 116 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += $(DEBLOBBED)
 117 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += $(DEBLOBBED)
 118 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += $(DEBLOBBED)
 119 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += $(DEBLOBBED)
 120 else
 121 fw-shipped- += $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)   \
 122         $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)          \
 123         $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)          \
 124         $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)
 125 endif
 126 fw-shipped-$(CONFIG_USB_SERIAL_TI) += $(DEBLOBBED) $(DEBLOBBED) \
 127                                       $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)
 128 fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += $(DEBLOBBED) $(DEBLOBBED) \
 129                                             $(DEBLOBBED) $(DEBLOBBED)
 130 fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += $(DEBLOBBED)
 131 fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += $(DEBLOBBED) $(DEBLOBBED) \
 132                                            # $(DEBLOBBED)
 133 fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw
 134 fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw
 135 fw-shipped-$(CONFIG_USB_VICAM) += $(DEBLOBBED)
 136 fw-shipped-$(CONFIG_VIDEO_CPIA2) += $(DEBLOBBED)
 137 fw-shipped-$(CONFIG_YAM) += $(DEBLOBBED) $(DEBLOBBED)
 138
 139 fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
 140
 141 quiet_cmd_ihex  = IHEX    $@
 142       cmd_ihex  = $(OBJCOPY) -Iihex -Obinary $< $@
 143
 144 quiet_cmd_ihex2fw  = IHEX2FW $@
 145       cmd_ihex2fw  = $(objtree)/$(obj)/ihex2fw $< $@
 146
 147 quiet_cmd_h16tofw  = H16TOFW $@
 148       cmd_h16tofw  = $(objtree)/$(obj)/ihex2fw -w $< $@
 149
 150 quiet_cmd_fwbin = MK_FW   $@
 151       cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)";                \
 152                   FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst      \
 153                                 firmware/%.gen.S,%,$@))))";                  \
 154                   ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long);                \
 155                   ASM_ALIGN=$(if $(CONFIG_64BIT),3,2);                       \
 156                   PROGBITS=$(if $(CONFIG_ARM),%,@)progbits;                  \
 157                   echo "/* Generated by firmware/Makefile */"           > $@;\
 158                   echo "    .section .rodata"                           >>$@;\
 159                   echo "    .p2align 4"                                 >>$@;\
 160                   echo "_fw_$${FWSTR}_bin:"                             >>$@;\
 161                   echo "    .incbin \"$(2)\""                           >>$@;\
 162                   echo "_fw_end:"                                       >>$@;\
 163                   echo "   .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\
 164                   echo "    .p2align $${ASM_ALIGN}"                     >>$@;\
 165                   echo "_fw_$${FWSTR}_name:"                            >>$@;\
 166                   echo "    .string \"$$FWNAME\""                       >>$@;\
 167                   echo "    .section .builtin_fw,\"a\",$${PROGBITS}"    >>$@;\
 168                   echo "    .p2align $${ASM_ALIGN}"                     >>$@;\
 169                   echo "    $${ASM_WORD} _fw_$${FWSTR}_name"            >>$@;\
 170                   echo "    $${ASM_WORD} _fw_$${FWSTR}_bin"             >>$@;\
 171                   echo "    $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin"   >>$@;
 172
 173 # One of these files will change, or come into existence, whenever
 174 # the configuration changes between 32-bit and 64-bit. The .S files
 175 # need to change when that happens.
 176 wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
 177                 include/config/ppc32.h include/config/ppc64.h \
 178                 include/config/superh32.h include/config/superh64.h \
 179                 include/config/x86_32.h include/config/x86_64.h)
 180
 181 $(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
 182         $(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
 183 $(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \
 184                 include/config/extra/firmware/dir.h
 185         $(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
 186
 187 # The .o files depend on the binaries directly; the .S files don't.
 188 $(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: %
 189 $(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
 190
 191 # .ihex is used just as a simple way to hold binary files in a source tree
 192 # where binaries are frowned upon. They are directly converted with objcopy.
 193 $(obj)/%: $(obj)/%.ihex
 194         $(call cmd,ihex)
 195
 196 # Don't depend on ihex2fw if we're installing and it already exists.
 197 # Putting it after | in the dependencies doesn't seem sufficient when
 198 # we're installing after a cross-compile, because ihex2fw has dependencies
 199 # on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and
 200 # thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree
 201 # is exported read-only for someone to run 'make install'.
 202 ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw)
 203 ihex2fw_dep :=
 204 else
 205 ihex2fw_dep := $(obj)/ihex2fw
 206 endif
 207
 208 # .HEX is also Intel HEX, but where the offset and length in each record
 209 # is actually meaningful, because the firmware has to be loaded in a certain
 210 # order rather than as a single binary blob. Thus, we convert them into our
 211 # more compact binary representation of ihex records (<linux/ihex.h>)
 212 $(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep)
 213         $(call cmd,ihex2fw)
 214
 215 # .H16 is our own modified form of Intel HEX, with 16-bit length for records.
 216 $(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep)
 217         $(call cmd,h16tofw)
 218
 219 obj-y                            += $(patsubst %,%.gen.o, $(fw-external-y))
 220 obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
 221
 222 ifeq ($(KBUILD_SRC),)
 223 # Makefile.build only creates subdirectories for O= builds, but external
 224 # firmware might live outside the kernel source tree
 225 _dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d)))
 226 endif
 227
 228 # Remove .S files and binaries created from ihex
 229 # (during 'make clean' .config isn't included so they're all in $(fw-shipped-))
 230 targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
 231                                 $(shell find $(obj) -name \*.gen.S 2>/dev/null))
 232
 233 # Without this, built-in.o won't be created when it's empty, and the
 234 # final vmlinux link will fail.
 235 obj- := dummy
 236
 237 hostprogs-y := ihex2fw