58c2e35616
commit f5ae2ea6347a308cfe91f53b53682ce635497d0d upstream. Intel Software Developer's Manual, volume 3, chapter 9.11.6 says: "Note that the microcode update must be aligned on a 16-byte boundary and the size of the microcode update must be 1-KByte granular" When early-load Intel microcode is loaded from initramfs, userspace tool 'iucode_tool' has already 16-byte aligned those microcode bits in that initramfs image. Image that was created something like this: iucode_tool --write-earlyfw=FOO.cpio microcode-files... However, when early-load Intel microcode is loaded from built-in firmware BLOB using CONFIG_EXTRA_FIRMWARE= kernel config option, that 16-byte alignment is not guaranteed. Fix this by forcing all built-in firmware BLOBs to 16-byte alignment. [ If we end up having other firmware with much bigger alignment requirements, we might need to introduce some method for the firmware to specify it, this is the minimal "just increase the alignment a bit to account for this one special case" patch - Linus ] Signed-off-by: Jari Ruusu <jari.ruusu@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
314 lines
16 KiB
Makefile
314 lines
16 KiB
Makefile
#
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# kbuild file for firmware/
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#
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# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
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# leading /, it's relative to $(srctree).
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fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
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fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
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fw-external-y := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))
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# There are three cases to care about:
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# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should
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# include the firmware files to include, according to .config
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# 2. 'make modules_install', which will install firmware for modules, and
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# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n
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# 3. 'make firmware_install', which installs all firmware, unconditionally.
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# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be
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# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
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# But be aware that the config file might not be included at all.
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ifdef CONFIG_ACENIC_OMIT_TIGON_I
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acenic-objs := acenic/tg2.bin
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fw-shipped- += acenic/tg1.bin
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else
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acenic-objs := acenic/tg1.bin acenic/tg2.bin
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endif
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fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs)
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fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \
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adaptec/starfire_tx.bin
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fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
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fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
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fw-shipped-$(CONFIG_BNX2X) += bnx2x/bnx2x-e1-6.2.9.0.fw \
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bnx2x/bnx2x-e1h-6.2.9.0.fw \
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bnx2x/bnx2x-e2-6.2.9.0.fw
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fw-shipped-$(CONFIG_BNX2) += bnx2/bnx2-mips-09-6.2.1a.fw \
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bnx2/bnx2-rv2p-09-6.0.17.fw \
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bnx2/bnx2-rv2p-09ax-6.0.17.fw \
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bnx2/bnx2-mips-06-6.2.1.fw \
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bnx2/bnx2-rv2p-06-6.0.15.fw
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fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin
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fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \
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cxgb3/t3c_psram-1.1.0.bin \
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cxgb3/ael2005_opt_edc.bin \
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cxgb3/ael2005_twx_edc.bin \
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cxgb3/ael2020_twx_edc.bin
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fw-shipped-$(CONFIG_DRM_MGA) += matrox/g200_warp.fw matrox/g400_warp.fw
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fw-shipped-$(CONFIG_DRM_R128) += r128/r128_cce.bin
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fw-shipped-$(CONFIG_DRM_RADEON) += radeon/R100_cp.bin radeon/R200_cp.bin \
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radeon/R300_cp.bin radeon/R420_cp.bin \
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radeon/RS690_cp.bin radeon/RS600_cp.bin \
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radeon/R520_cp.bin \
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radeon/R600_pfp.bin radeon/R600_me.bin \
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radeon/RV610_pfp.bin radeon/RV610_me.bin \
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radeon/RV630_pfp.bin radeon/RV630_me.bin \
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radeon/RV620_pfp.bin radeon/RV620_me.bin \
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radeon/RV635_pfp.bin radeon/RV635_me.bin \
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radeon/RV670_pfp.bin radeon/RV670_me.bin \
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radeon/RS780_pfp.bin radeon/RS780_me.bin \
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radeon/RV770_pfp.bin radeon/RV770_me.bin \
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radeon/RV730_pfp.bin radeon/RV730_me.bin \
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radeon/RV710_pfp.bin radeon/RV710_me.bin
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fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
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fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
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fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \
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e100/d102e_ucode.bin
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fw-shipped-$(CONFIG_MYRI_SBUS) += myricom/lanai.bin
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fw-shipped-$(CONFIG_PCMCIA_PCNET) += cis/LA-PCM.cis cis/PCMLM28.cis \
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cis/DP83903.cis cis/NE2K.cis \
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cis/tamarack.cis cis/PE-200.cis \
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cis/PE520.cis
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fw-shipped-$(CONFIG_PCMCIA_3C589) += cis/3CXEM556.cis
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fw-shipped-$(CONFIG_PCMCIA_3C574) += cis/3CCFEM556.cis
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fw-shipped-$(CONFIG_SERIAL_8250_CS) += cis/MT5634ZLX.cis cis/RS-COM-2P.cis \
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cis/COMpad2.cis cis/COMpad4.cis \
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cis/SW_555_SER.cis cis/SW_7xx_SER.cis \
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cis/SW_8xx_SER.cis
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fw-shipped-$(CONFIG_PCMCIA_SMC91C92) += ositech/Xilinx7OD.bin
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fw-shipped-$(CONFIG_SCSI_ADVANSYS) += advansys/mcode.bin advansys/38C1600.bin \
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advansys/3550.bin advansys/38C0800.bin
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fw-shipped-$(CONFIG_SCSI_QLOGIC_1280) += qlogic/1040.bin qlogic/1280.bin \
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qlogic/12160.bin
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fw-shipped-$(CONFIG_SCSI_QLOGICPTI) += qlogic/isp1000.bin
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fw-shipped-$(CONFIG_INFINIBAND_QIB) += qlogic/sd7220.fw
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fw-shipped-$(CONFIG_SND_KORG1212) += korg/k1212.dsp
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fw-shipped-$(CONFIG_SND_MAESTRO3) += ess/maestro3_assp_kernel.fw \
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ess/maestro3_assp_minisrc.fw
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fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \
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sb16/ima_adpcm_init.csp \
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sb16/ima_adpcm_playback.csp \
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sb16/ima_adpcm_capture.csp
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fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \
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yamaha/ds1e_ctrl.fw
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fw-shipped-$(CONFIG_SND_WAVEFRONT) += yamaha/yss225_registers.bin
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fw-shipped-$(CONFIG_TEHUTI) += tehuti/bdx.bin
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fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \
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tigon/tg3_tso5.bin
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fw-shipped-$(CONFIG_TYPHOON) += 3com/typhoon.bin
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fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \
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emi26/bitstream.fw
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fw-shipped-$(CONFIG_USB_EMI62) += emi62/loader.fw emi62/bitstream.fw \
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emi62/spdif.fw emi62/midi.fw
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fw-shipped-$(CONFIG_USB_KAWETH) += kaweth/new_code.bin kaweth/trigger_code.bin \
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kaweth/new_code_fix.bin \
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kaweth/trigger_code_fix.bin
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ifdef CONFIG_FIRMWARE_IN_KERNEL
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fw-shipped-$(CONFIG_EXYNOS8890_APM) += apm_8890_evt1.h
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ifdef CONFIG_SOC_EMULATOR8895
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fw-shipped-$(CONFIG_EXYNOS8895_ACPM) += emulator8895_acpm_dvfs.fw
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else
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fw-shipped-$(CONFIG_EXYNOS8895_ACPM) += exynos8895_acpm_dvfs.fw
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endif
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fw-shipped-$(CONFIG_EXYNOS7872_ACPM) += exynos7872_acpm_dvfs.fw
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fw-shipped-$(CONFIG_EXYNOS7872_ACPM) += exynos7872_acpm_fvp.fw
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fw-shipped-$(CONFIG_EXYNOS7885_ACPM) += exynos7885_acpm_fvp.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += keyspan/mpr.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += keyspan/usa18x.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += keyspan/usa19.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += keyspan/usa19qi.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += keyspan/usa19qw.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += keyspan/usa19w.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += keyspan/usa28.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += keyspan/usa28xa.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += keyspan/usa28xb.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += keyspan/usa28x.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += keyspan/usa49w.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += keyspan/usa49wlc.fw
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else
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fw-shipped- += keyspan/mpr.fw keyspan/usa18x.fw keyspan/usa19.fw \
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keyspan/usa19qi.fw keyspan/usa19qw.fw keyspan/usa19w.fw \
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keyspan/usa28.fw keyspan/usa28xa.fw keyspan/usa28xb.fw \
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keyspan/usa28x.fw keyspan/usa49w.fw keyspan/usa49wlc.fw
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endif
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fw-shipped-$(CONFIG_USB_SERIAL_TI) += ti_3410.fw ti_5052.fw \
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mts_cdma.fw mts_gsm.fw mts_edge.fw
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fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += edgeport/boot.fw edgeport/boot2.fw \
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edgeport/down.fw edgeport/down2.fw
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fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += edgeport/down3.bin
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fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += whiteheat_loader.fw whiteheat.fw \
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# whiteheat_loader_debug.fw
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fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw
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fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw
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fw-shipped-$(CONFIG_USB_VICAM) += vicam/firmware.fw
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fw-shipped-$(CONFIG_VIDEO_CPIA2) += cpia2/stv0672_vp4.bin
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fw-shipped-$(CONFIG_YAM) += yam/1200.bin yam/9600.bin
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# Touchscreen Firmware
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fw-shipped-$(CONFIG_TOUCHSCREEN_MXT540E) += tsp_atmel/mXT540E.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_DSX) += tsp_synaptics/synaptics_b0_h.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_FTS) += tsp_stm/fts6ct108_view2.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_FTS1BA90A) += tsp_stm/fts1ba90a_gta3_00.fw tsp_stm/fts1ba90a_gta3.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_MMS449) += tsp_melfas/mms449_s5neo.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_MMS438) += tsp_melfas/mms438_j7duo.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_MSS100) += tsp_melfas/mss100_m30_00.fw tsp_melfas/mss100_m30.fw tsp_melfas/mss100_m30_old.fw \
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tsp_melfas/mss100_a30.fw tsp_melfas/mss100_a30_old.fw tsp_melfas/mss100_a30_jpn.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_MMS144) += tsp_melfas/DIABLO_CoreV54_V35_master.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5) += cyttsp5_csp.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_SEC_TS_A552) += tsp_sec/hero2la.bin
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fw-shipped-$(CONFIG_TOUCHSCREEN_SEC_TS) += tsp_sec/y661_a5y18.fw tsp_sec/y661_a7y18.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_SEC_INCELL_TS) += tsp_sec/s6d7at01a01_j7topelte.fw tsp_sec/s6d7at0b01_a10.fw tsp_sec/s6d7at0b01_a10_boe.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_TD4X00) += tsp_synaptics/td4100_j3poplte.fw tsp_synaptics/td4100_j3poplte_recovery.fw \
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tsp_synaptics/td4100_j7pop.fw tsp_synaptics/td4100_j7pop_recovery.fw \
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tsp_synaptics/td4100_j3top.fw tsp_synaptics/td4100_j3top_recovery.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_TD4X00_J2CORESPR) += tsp_synaptics/td4101_j2corepelte_spr.fw tsp_synaptics/td4101_j2corepelte_spr_recovery.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_IST40XX) += tsp_imagis/ist40xx_a7_2018.fw tsp_imagis/ist40xx_a7_2018_cmcs.bin \
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tsp_imagis/ist40xx_a50.fw tsp_imagis/ist40xx_a50_cmcs.bin
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fw-shipped-$(CONFIG_TOUCHSCREEN_IST4050) += tsp_imagis/ist40xx_a30s.bin tsp_imagis/ist40xx_a30s_cmcs.bin
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fw-shipped-$(CONFIG_TOUCHSCREEN_IST3038H) += tsp_imagis/ist3038h_a40.fw tsp_imagis/ist3038h_a40_cmcs.bin
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fw-shipped-$(CONFIG_TOUCHSCREEN_HIMAX_INCELL) += tsp_himax/hx83112a_m20lte.fw tsp_himax/hx83102d_a20e.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_HIMAX_CHIPSET) += tsp_himax/hx83102p_gta4s.fw
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TSPFIRMWARE_DIRECTORY = firmware/tsp_zinitix
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ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY) && echo yes),yes)
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fw-shipped-$(CONFIG_TOUCHSCREEN_ZINITIX_ZT75XX) += tsp_zinitix/zt7538_xcover4s.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_ZINITIX_ZT75XX_TCLM) += tsp_zinitix/zt7548_a6.fw tsp_zinitix/zt7548_feel2.fw tsp_zinitix/zt7548_a40.fw tsp_zinitix/zt7548_a20.fw tsp_zinitix/zt7548_a40s.fw tsp_zinitix/zt7548_m10s.fw
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fw-shipped-$(CONFIG_TOUCHSCREEN_ZINITIX_ZT75XX_WISDOM) +=tsp_zinitix/zt7548_wisdom.fw
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else
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$(warning '$(TSPFIRMWARE_DIRECTORY)' directory dose not exist)
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endif
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fw-shipped-$(CONFIG_EPEN_WACOM_W9019) += epen/w9019_wisdom.fw
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# TouchKey Firmware
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fw-shipped-$(CONFIG_KEYBOARD_TC300K) += coreriver/tc305k_j7topelte.fw coreriver/tc350k_j3top.fw \
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coreriver/tc350k_j7duo.fw coreriver/tc350k_j7duo_rev04.fw
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#touch based grip sensor
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A7Y18LTE) += coreriver/tc305k_a7y18lte_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_M20) += coreriver/tc305k_m20_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_M30) += coreriver/tc305k_m30_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A40) += coreriver/tc305k_a40_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A30) += coreriver/tc305k_a30_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A30_JPN) += coreriver/tc305k_a30_jpn_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A20) += coreriver/tc305k_a20_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A20E) += coreriver/tc305k_a20e_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A10) += coreriver/tc305k_a10_grip.fw coreriver/tc305k_a10_eur_kor.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A10E) += coreriver/tc305k_a10e_grip.fw
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A10E_KOR) += coreriver/tc305k_a10e_kor.fw
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fw-shipped-$(CONFIG_SENSORS_A96T3X6) += abov/a96t346_a6elte.fw abov/a96t326_jackpotvelte.fw abov/a96t346_xcover4s.fw
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fw-shipped-$(CONFIG_SENSORS_A96T3X6_A40) += abov/a96t346_a405f.fw abov/a96t346_a405s.fw
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fw-shipped-$(CONFIG_SENSORS_A96T3X6_A30) += abov/a96t346_a305j.fw
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fw-shipped-$(CONFIG_SENSORS_A96T3X6_A30S) += abov/a96t356_a30s.fw
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fw-shipped-$(CONFIG_SENSORS_A96T3X6_VIEW2) += abov/a96t346_gview2lte.fw
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#Sensor Hub
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fw-shipped-$(CONFIG_SENSORS_SSP_STM32) += ssp_stmf410_a2018.fw
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fw-shipped-$(CONFIG_SENSORS_SSP_STM32) += ssp_stmf410_a2018_O.fw
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fw-shipped-$(CONFIG_SENSORS_SSP_STM32) += ssp_stmf410_a2018_P.fw
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fw-shipped-$(CONFIG_SENSORS_SSP_STM32) += ssp_crashed.fw
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fw-shipped-$(CONFIG_KEYBOARD_ABOV_TOUCH_3X6) += abov/a96t326_a5y18.fw abov/a96t326_a5y18_can.fw abov/a96t326_a7y18.fw
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fw-shipped-$(CONFIG_FIVE_TEE_DRIVER) += five/ffffffff000000000000000000000072.tlbin
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fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
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quiet_cmd_ihex = IHEX $@
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cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@
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quiet_cmd_ihex2fw = IHEX2FW $@
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cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@
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quiet_cmd_h16tofw = H16TOFW $@
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cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@
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quiet_cmd_fwbin = MK_FW $@
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cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \
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FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \
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firmware/%.gen.S,%,$@))))"; \
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ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \
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ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \
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PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \
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echo "/* Generated by firmware/Makefile */" > $@;\
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echo " .section .rodata" >>$@;\
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echo " .p2align 4" >>$@;\
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echo "_fw_$${FWSTR}_bin:" >>$@;\
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echo " .incbin \"$(2)\"" >>$@;\
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echo "_fw_end:" >>$@;\
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echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\
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echo " .p2align $${ASM_ALIGN}" >>$@;\
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echo "_fw_$${FWSTR}_name:" >>$@;\
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echo " .string \"$$FWNAME\"" >>$@;\
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echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\
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echo " .p2align $${ASM_ALIGN}" >>$@;\
|
|
echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\
|
|
echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\
|
|
echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@;
|
|
|
|
# One of these files will change, or come into existence, whenever
|
|
# the configuration changes between 32-bit and 64-bit. The .S files
|
|
# need to change when that happens.
|
|
wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
|
|
include/config/ppc32.h include/config/ppc64.h \
|
|
include/config/superh32.h include/config/superh64.h \
|
|
include/config/x86_32.h include/config/x86_64.h)
|
|
|
|
$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
|
|
$(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
|
|
$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \
|
|
include/config/extra/firmware/dir.h
|
|
$(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
|
|
|
|
# The .o files depend on the binaries directly; the .S files don't.
|
|
$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: %
|
|
$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
|
|
|
|
# .ihex is used just as a simple way to hold binary files in a source tree
|
|
# where binaries are frowned upon. They are directly converted with objcopy.
|
|
$(obj)/%: $(obj)/%.ihex
|
|
$(call cmd,ihex)
|
|
|
|
# Don't depend on ihex2fw if we're installing and it already exists.
|
|
# Putting it after | in the dependencies doesn't seem sufficient when
|
|
# we're installing after a cross-compile, because ihex2fw has dependencies
|
|
# on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and
|
|
# thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree
|
|
# is exported read-only for someone to run 'make install'.
|
|
ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw)
|
|
ihex2fw_dep :=
|
|
else
|
|
ihex2fw_dep := $(obj)/ihex2fw
|
|
endif
|
|
|
|
# .HEX is also Intel HEX, but where the offset and length in each record
|
|
# is actually meaningful, because the firmware has to be loaded in a certain
|
|
# order rather than as a single binary blob. Thus, we convert them into our
|
|
# more compact binary representation of ihex records (<linux/ihex.h>)
|
|
$(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep)
|
|
$(call cmd,ihex2fw)
|
|
|
|
# .H16 is our own modified form of Intel HEX, with 16-bit length for records.
|
|
$(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep)
|
|
$(call cmd,h16tofw)
|
|
|
|
obj-y += $(patsubst %,%.gen.o, $(fw-external-y))
|
|
obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
|
|
|
|
ifeq ($(KBUILD_SRC),)
|
|
# Makefile.build only creates subdirectories for O= builds, but external
|
|
# firmware might live outside the kernel source tree
|
|
_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d)))
|
|
endif
|
|
|
|
# Remove .S files and binaries created from ihex
|
|
# (during 'make clean' .config isn't included so they're all in $(fw-shipped-))
|
|
targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
|
|
$(shell find $(obj) -name \*.gen.S 2>/dev/null))
|
|
|
|
# Without this, built-in.o won't be created when it's empty, and the
|
|
# final vmlinux link will fail.
|
|
obj- := dummy
|
|
|
|
hostprogs-y := ihex2fw
|