GNU Linux-libre 4.4.289-gnu1
[releases.git] / 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