# Texas Instruments Incorporated - http://www.ti.com/
# Aneesh V <aneesh@ti.com>
#
-# This file is released under the terms of GPL v2 and any later version.
-# See the file COPYING in the root directory of the source tree for details.
+# SPDX-License-Identifier: GPL-2.0+
#
# Based on top-level Makefile.
#
CONFIG_SPL_BUILD := y
export CONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+export CONFIG_TPL_BUILD
+SPL_BIN := u-boot-tpl
+else
+SPL_BIN := u-boot-spl
+endif
+
include $(TOPDIR)/config.mk
# We want the final binaries in this directory
+ifeq ($(CONFIG_TPL_BUILD),y)
+obj := $(OBJTREE)/tpl/
+SPLTREE := $(TPLTREE)
+else
obj := $(OBJTREE)/spl/
+endif
HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
endif
START := $(START_PATH)/start.o
+ifeq ($(CPU),x86)
+START += $(START_PATH)/start16.o
+START += $(START_PATH)/resetvec.o
+endif
+ifeq ($(CPU),ppc4xx)
+START += $(START_PATH)/resetvec.o
+endif
+ifeq ($(CPU),mpc85xx)
+START += $(START_PATH)/resetvec.o
+endif
LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
+
LIBS-y += $(CPUDIR)/lib$(CPU).o
+ifeq ($(CPU),mpc83xx)
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+endif
+ifeq ($(CPU),mpc85xx)
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
+LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
+endif
+endif
+ifeq ($(CPU),mpc86xx)
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+endif
+
ifdef SOC
LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
endif
LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
-LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
+LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o \
+ drivers/power/pmic/libpmic.o
LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
+LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
+LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
+LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
+LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o
-ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
+ifneq ($(CONFIG_OMAP_COMMON),)
LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
endif
-ifeq ($(SOC),tegra20)
+ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
+endif
+
+ifneq ($(CONFIG_TEGRA),)
LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
endif
+ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
+LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
+endif
+
+ifeq ($(SOC),exynos)
+LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
+endif
+
# Add GCC lib
ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
- LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
+ LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
$(error could not find linker script)
$(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
-a $(CONFIG_SPL_TEXT_BASE) -d $< $@
-ALL-y += $(obj)u-boot-spl.bin
+$(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
+ $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $@
+
+ALL-y += $(obj)$(SPL_BIN).bin
ifdef CONFIG_SAMSUNG
ALL-y += $(obj)$(BOARD)-spl.bin
$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
endif
-$(obj)u-boot-spl.bin: $(obj)u-boot-spl
+$(obj)$(SPL_BIN).bin: $(obj)$(SPL_BIN)
$(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
GEN_UBOOT = \
cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
- -Map u-boot-spl.map -o u-boot-spl
+ -Map $(SPL_BIN).map -o $(SPL_BIN)
-$(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
+$(obj)$(SPL_BIN): depend $(START) $(LIBS) $(obj)u-boot-spl.lds
$(GEN_UBOOT)
+# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
+# U-Boot conventional sub makefiles always include some other makefiles.
+# So, the build system searches a line beginning with "include" before entering into the sub makefile
+# in order to distinguish which style it is.
+# If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
+# Otherwise, it is treated as a Kbuild-style makefile.
+select_makefile = \
+ if grep -q "^include" $1/Makefile; then \
+ $(MAKE) -C $1; \
+ else \
+ $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \
+ mv $(dir $@)built-in.o $@; \
+ fi
+
+# We do not need to build $(START) explicitly.
+# It is built while we are at $(CPUDIR)/lib$(CPU).o build.
$(START): depend
- $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
+ if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
+ $(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
+ fi
$(LIBS): depend
- $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
+ +$(call select_makefile, $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)))
-# The following line expands into whole rule which generates u-boot.lst,
-# the file containing u-boots LG-array linker section. This is included into
-# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
-$(eval $(call make_u_boot_list, $(obj)u-boot.lst, $(LIBS)))
-$(obj)u-boot-spl.lds: $(LDSCRIPT) $(obj)u-boot.lst depend
+$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
depend: $(obj).depend
projects / karo-tx-uboot.git / blobdiff