mirror of
https://github.com/AsahiLinux/u-boot
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76 lines
2.3 KiB
Makefile
76 lines
2.3 KiB
Makefile
#
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# (C) Copyright 2000-2002
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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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CROSS_COMPILE ?= arm-linux-
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ifeq ($(BOARD),omap2420h4)
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STANDALONE_LOAD_ADDR = 0x80300000
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else
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ifeq ($(SOC),omap3)
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STANDALONE_LOAD_ADDR = 0x80300000
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else
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STANDALONE_LOAD_ADDR = 0xc100000
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endif
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endif
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ifdef CONFIG_SYS_ARM_WITHOUT_RELOC
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PLATFORM_CPPFLAGS += -DCONFIG_SYS_ARM_WITHOUT_RELOC
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endif
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PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
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# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
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PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
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# Try if EABI is supported, else fall back to old API,
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# i. e. for example:
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# - with ELDK 4.2 (EABI supported), use:
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# -mabi=aapcs-linux -mno-thumb-interwork
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# - with ELDK 4.1 (gcc 4.x, no EABI), use:
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# -mabi=apcs-gnu -mno-thumb-interwork
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# - with ELDK 3.1 (gcc 3.x), use:
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# -mapcs-32 -mno-thumb-interwork
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PLATFORM_CPPFLAGS += $(call cc-option,\
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-mabi=aapcs-linux -mno-thumb-interwork,\
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$(call cc-option,\
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-mapcs-32,\
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$(call cc-option,\
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-mabi=apcs-gnu,\
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)\
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) $(call cc-option,-mno-thumb-interwork,)\
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)
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# For EABI, make sure to provide raise()
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ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
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# This file is parsed several times; make sure to add only once.
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ifeq (,$(findstring arch/arm/lib/eabi_compat.o,$(PLATFORM_LIBS)))
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PLATFORM_LIBS += $(OBJTREE)/arch/arm/lib/eabi_compat.o
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endif
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endif
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LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
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ifndef CONFIG_SYS_ARM_WITHOUT_RELOC
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# needed for relocation
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ifndef CONFIG_NAND_SPL
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PLATFORM_LDFLAGS += -pie
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endif
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endif
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