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at91bootstrap is a second-level bootloader for Microchip(Atmel AT91) SoCs. It provides a set of algorithms to manage the hardware initialization and to download the main application or a third-level bootloader(i.e. uboot) from specified boot media to main memory and execute it. Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@microchip.com>
81 lines
2.2 KiB
Makefile
81 lines
2.2 KiB
Makefile
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export GCC_HONOUR_COPTS=s
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define AT91Bootstrap/Init
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BUILD_TARGET:=
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BUILD_SUBTARGET:=
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BUILD_DEVICES:=
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NAME:=
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DEPENDS:=
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HIDDEN:=
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DEFAULT:=
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VARIANT:=$(1)
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AT91BOOTSTRAP_CONFIG:=$(1)
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endef
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TARGET_DEP = TARGET_$(BUILD_TARGET)$(if $(BUILD_SUBTARGET),_$(BUILD_SUBTARGET))
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AT91BOOTSTRAP_MAKE_FLAGS = \
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HOSTCC="$(HOSTCC)" \
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HOSTCFLAGS='$(HOST_CFLAGS) $$$$(HOSTCPPFLAGS)' \
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HOSTLDFLAGS=""
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define Build/AT91Bootstrap/Target
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$(eval $(call AT91Bootstrap/Init,$(1)))
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$(eval $(call AT91Bootstrap/Default,$(1)))
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$(eval $(call AT91Bootstrap/$(1),$(1)))
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define Package/at91bootstrap-$(1)
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SECTION:=boot
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CATEGORY:=Boot Loaders
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TITLE:= .$(NAME)
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VARIANT:=$(VARIANT)
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DEPENDS:=@!IN_SDK $(DEPENDS)
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HIDDEN:=$(HIDDEN)
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ifneq ($(BUILD_TARGET),)
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DEPENDS += @$(TARGET_DEP)
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ifneq ($(BUILD_DEVICES),)
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DEFAULT := y if ($(TARGET_DEP)_Default \
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$(patsubst %,|| $(TARGET_DEP)_DEVICE_%,$(BUILD_DEVICES)) \
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$(patsubst %,|| $(patsubst TARGET_%,TARGET_DEVICE_%, \
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$(TARGET_DEP))_DEVICE_%,$(BUILD_DEVICES)))
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endif
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endif
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$(if $(DEFAULT),DEFAULT:=$(DEFAULT))
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URL:=https://www.at91.com/linux4sam/bin/view/Linux4SAM/AT91Bootstrap
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endef
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define Package/at91bootstrap-$(1)/install
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$(CP) $(PKG_BUILD_DIR)/binaries/*uboot*.bin \
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$(BIN_DIR)/at91bootstrap-$(1).bin
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endef
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endef
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define Build/Configure/AT91Bootstrap
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+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
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$(AT91BOOTSTRAP_CONFIG)_defconfig
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endef
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define Build/Compile/AT91Bootstrap
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+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
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CROSS_COMPILE=$(TARGET_CROSS) \
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$(AT91BOOTSTRAP_MAKE_FLAGS)
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endef
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define BuildPackage/AT91Bootstrap/Defaults
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Build/Configure/Default = $$$$(Build/Configure/AT91Bootstrap)
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Build/Compile/Default = $$$$(Build/Compile/AT91Bootstrap)
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endef
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define BuildPackage/AT91Bootstrap
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$(eval $(call BuildPackage/AT91Bootstrap/Defaults))
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$(foreach type,$(if $(DUMP),$(AT91BOOTSTRAP_TARGETS),$(BUILD_VARIANT)), \
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$(eval $(call Build/AT91Bootstrap/Target,$(type)))
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)
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$(eval $(call Build/DefaultTargets))
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$(foreach type,$(if $(DUMP),$(AT91BOOTSTRAP_TARGETS),$(BUILD_VARIANT)), \
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$(call BuildPackage,at91bootstrap-$(type))
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)
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endef
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