mirror of
https://github.com/brain-hackers/u-boot-brain
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93f9dcf9e8
This patch implements simple hwconfig infrastructure: an interface for software knobs to control a hardware. This is very simple implementation, i.e. it is implemented via `hwconfig' environment variable. Later we could write some "hwconfig <enable|disable|list>" commands, ncurses interface for Award BIOS-like interface, and frame-buffer interface for AMI GUI[1] BIOS-like interface with mouse support[2]. Current implementation details/limitations: 1. Doesn't support options dependencies and mutual exclusion. We can implement this by integrating apt-get[3] into the u-boot. But I didn't bother yet. 2. Since we don't implement hwconfig command, i.e. we're working with the environement directly, there is no way to tell that toggling a particular option will need a reboot to take an effect. So, for now it's advised to always reboot the target after modifying hwconfig variable. 3. We support hwconfig options with arguments. For example, set hwconfig dr_usb:mode=peripheral,phy_type=ulpi That means: - dr_usb - enable Dual-Role USB controller; - dr_usb:mode=peripheral - USB in Function mode; - dr_usb:phy_type=ulpi - USB should work with ULPI PHYs; The purpose of this simple implementation is to define some internal API and then we can continue improving user experience by adding more mature interface, like hwconfig command with bells and whistles. Or not adding, if we feel that current interface fits its needs. [1] http://en.wikipedia.org/wiki/American_Megatrends [2] Regarding ncurses and GUI with mouse support -- I'm just kidding. [3] The comment regarding apt-get is also a joke, meaning that dependency tracking could be non-trivial. For example, for enabling HW feature X we may need to disable Y, and turn Z into reduced mode (like RMII-only interface for ethernet, no MII). It's quite trivial to implement simple cases though. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Kim Phillips <kim.phillips@freescale.com>
193 lines
6.0 KiB
Makefile
193 lines
6.0 KiB
Makefile
#
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# (C) Copyright 2004-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)libcommon.a
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AOBJS =
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# core
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COBJS-y += main.o
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COBJS-y += circbuf.o
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COBJS-y += console.o
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COBJS-y += command.o
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COBJS-y += devices.o
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COBJS-y += dlmalloc.o
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COBJS-y += exports.o
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COBJS-$(CONFIG_SYS_HUSH_PARSER) += hush.o
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COBJS-y += image.o
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COBJS-y += memsize.o
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COBJS-y += s_record.o
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COBJS-$(CONFIG_SERIAL_MULTI) += serial.o
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COBJS-y += xyzModem.o
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# core command
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COBJS-y += cmd_boot.o
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COBJS-y += cmd_bootm.o
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COBJS-y += cmd_nvedit.o
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# environment
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COBJS-y += env_common.o
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COBJS-$(CONFIG_ENV_IS_IN_DATAFLASH) += env_dataflash.o
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COBJS-$(CONFIG_ENV_IS_IN_EEPROM) += env_eeprom.o
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COBJS-$(CONFIG_ENV_IS_EMBEDDED) += env_embedded.o
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COBJS-$(CONFIG_ENV_IS_IN_EEPROM) += env_embedded.o
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COBJS-$(CONFIG_ENV_IS_IN_FLASH) += env_embedded.o
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COBJS-$(CONFIG_ENV_IS_IN_NVRAM) += env_embedded.o
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COBJS-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
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COBJS-$(CONFIG_ENV_IS_IN_MG_DISK) += env_mgdisk.o
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COBJS-$(CONFIG_ENV_IS_IN_NAND) += env_nand.o
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COBJS-$(CONFIG_ENV_IS_IN_NVRAM) += env_nvram.o
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COBJS-$(CONFIG_ENV_IS_IN_ONENAND) += env_onenand.o
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COBJS-$(CONFIG_ENV_IS_IN_SPI_FLASH) += env_sf.o
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COBJS-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o
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# command
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COBJS-$(CONFIG_CMD_AMBAPP) += cmd_ambapp.o
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COBJS-$(CONFIG_SOURCE) += cmd_source.o
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COBJS-$(CONFIG_CMD_SOURCE) += cmd_source.o
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COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
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COBJS-$(CONFIG_CMD_BEDBUG) += bedbug.o cmd_bedbug.o
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COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
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COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
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COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
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COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o
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COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o
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COBJS-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o
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COBJS-$(CONFIG_CMD_DATE) += cmd_date.o
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ifdef CONFIG_4xx
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COBJS-$(CONFIG_CMD_SETGETDCR) += cmd_dcr.o
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endif
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ifdef CONFIG_POST
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COBJS-$(CONFIG_CMD_DIAG) += cmd_diag.o
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endif
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COBJS-$(CONFIG_CMD_DISPLAY) += cmd_display.o
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COBJS-$(CONFIG_CMD_DOC) += cmd_doc.o
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COBJS-$(CONFIG_CMD_DTT) += cmd_dtt.o
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COBJS-$(CONFIG_ENV_IS_IN_EEPROM) += cmd_eeprom.o
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COBJS-$(CONFIG_CMD_EEPROM) += cmd_eeprom.o
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COBJS-$(CONFIG_CMD_ELF) += cmd_elf.o
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COBJS-$(CONFIG_CMD_EXT2) += cmd_ext2.o
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COBJS-$(CONFIG_CMD_FAT) += cmd_fat.o
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COBJS-$(CONFIG_CMD_FDC)$(CONFIG_CMD_FDOS) += cmd_fdc.o
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COBJS-$(CONFIG_OF_LIBFDT) += cmd_fdt.o fdt_support.o
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COBJS-$(CONFIG_CMD_FDOS) += cmd_fdos.o
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COBJS-$(CONFIG_CMD_FLASH) += cmd_flash.o
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ifdef CONFIG_FPGA
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COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o
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endif
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COBJS-$(CONFIG_CMD_I2C) += cmd_i2c.o
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COBJS-$(CONFIG_CMD_IDE) += cmd_ide.o
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COBJS-$(CONFIG_CMD_IMMAP) += cmd_immap.o
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COBJS-$(CONFIG_CMD_IRQ) += cmd_irq.o
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COBJS-$(CONFIG_CMD_ITEST) += cmd_itest.o
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COBJS-$(CONFIG_CMD_JFFS2) += cmd_jffs2.o
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COBJS-$(CONFIG_CMD_LICENSE) += cmd_license.o
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COBJS-y += cmd_load.o
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COBJS-$(CONFIG_LOGBUFFER) += cmd_log.o
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COBJS-$(CONFIG_ID_EEPROM) += cmd_mac.o
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COBJS-$(CONFIG_CMD_MEMORY) += cmd_mem.o
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COBJS-$(CONFIG_CMD_MFSL) += cmd_mfsl.o
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COBJS-$(CONFIG_CMD_MG_DISK) += cmd_mgdisk.o
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COBJS-$(CONFIG_MII) += miiphyutil.o
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COBJS-$(CONFIG_CMD_MII) += miiphyutil.o
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COBJS-$(CONFIG_CMD_MII) += cmd_mii.o
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COBJS-$(CONFIG_CMD_MISC) += cmd_misc.o
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COBJS-$(CONFIG_CMD_MMC) += cmd_mmc.o
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COBJS-$(CONFIG_MP) += cmd_mp.o
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COBJS-$(CONFIG_CMD_MTDPARTS) += cmd_mtdparts.o
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COBJS-y += cmd_nand.o
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COBJS-$(CONFIG_CMD_NET) += cmd_net.o
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COBJS-$(CONFIG_CMD_ONENAND) += cmd_onenand.o
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COBJS-$(CONFIG_CMD_OTP) += cmd_otp.o
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ifdef CONFIG_PCI
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COBJS-$(CONFIG_CMD_PCI) += cmd_pci.o
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endif
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COBJS-y += cmd_pcmcia.o
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COBJS-$(CONFIG_CMD_PORTIO) += cmd_portio.o
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COBJS-$(CONFIG_CMD_REGINFO) += cmd_reginfo.o
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COBJS-$(CONFIG_CMD_REISER) += cmd_reiser.o
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COBJS-$(CONFIG_CMD_SATA) += cmd_sata.o
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COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
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COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
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COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
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COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
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COBJS-$(CONFIG_CMD_SPIBOOTLDR) += cmd_spibootldr.o
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COBJS-$(CONFIG_CMD_STRINGS) += cmd_strings.o
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COBJS-$(CONFIG_CMD_TERMINAL) += cmd_terminal.o
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COBJS-$(CONFIG_CMD_UBI) += cmd_ubi.o
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COBJS-$(CONFIG_CMD_UBIFS) += cmd_ubifs.o
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COBJS-$(CONFIG_CMD_UNIVERSE) += cmd_universe.o
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ifdef CONFIG_CMD_USB
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COBJS-y += cmd_usb.o
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COBJS-y += usb.o
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COBJS-$(CONFIG_USB_STORAGE) += usb_storage.o
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endif
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COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
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COBJS-$(CONFIG_YAFFS2) += cmd_yaffs2.o
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COBJS-$(CONFIG_VFD) += cmd_vfd.o
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# others
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COBJS-$(CONFIG_DDR_SPD) += ddr_spd.o
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COBJS-$(CONFIG_CMD_DOC) += docecc.o
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COBJS-$(CONFIG_HWCONFIG) += hwconfig.o
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COBJS-$(CONFIG_CONSOLE_MUX) += iomux.o
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COBJS-y += flash.o
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COBJS-$(CONFIG_CMD_KGDB) += kgdb.o
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COBJS-$(CONFIG_KALLSYMS) += kallsyms.o
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COBJS-$(CONFIG_LCD) += lcd.o
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COBJS-$(CONFIG_LYNXKDI) += lynxkdi.o
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COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o
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COBJS-$(CONFIG_UPDATE_TFTP) += update.o
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COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
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COBJS := $(sort $(COBJS-y))
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SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS))
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CPPFLAGS += -I..
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all: $(LIB) $(AOBJS)
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$(LIB): $(obj).depend $(OBJS)
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$(AR) $(ARFLAGS) $@ $(OBJS)
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$(obj)env_embedded.o: $(src)env_embedded.c $(obj)../tools/envcrc
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$(CC) $(AFLAGS) -Wa,--no-warn \
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-DENV_CRC=$(shell $(obj)../tools/envcrc) \
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-c -o $@ $(src)env_embedded.c
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$(obj)../tools/envcrc:
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$(MAKE) -C ../tools
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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