#
#########################################################################
-ifeq ($(CURDIR),$(SRCTREE))
-dir :=
-else
-dir := $(subst $(SRCTREE)/,,$(CURDIR))
-endif
+# This file is included from ./Makefile and spl/Makefile.
+# Clean the state to avoid the same flags added twice.
+#
+# (Tegra needs different flags for SPL.
+# That's the reason why this file must be included from spl/Makefile too.
+# If we did not have Tegra SoCs, build system would be much simpler...)
+PLATFORM_RELFLAGS :=
+PLATFORM_CPPFLAGS :=
+PLATFORM_LDFLAGS :=
+LDFLAGS :=
+LDFLAGS_FINAL :=
+OBJCOPYFLAGS :=
+# clear VENDOR for tcsh
+VENDOR :=
+#########################################################################
-ifneq ($(OBJTREE),$(SRCTREE))
-# Create object files for SPL in a separate directory
-ifeq ($(CONFIG_SPL_BUILD),y)
-ifeq ($(CONFIG_TPL_BUILD),y)
-obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
-else
-obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
+ARCH := $(CONFIG_SYS_ARCH:"%"=%)
+CPU := $(CONFIG_SYS_CPU:"%"=%)
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_TEGRA
+CPU := arm720t
endif
-else
-obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
endif
-src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
-
-$(shell mkdir -p $(obj))
-else
-# Create object files for SPL in a separate directory
-ifeq ($(CONFIG_SPL_BUILD),y)
-ifeq ($(CONFIG_TPL_BUILD),y)
-obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
-else
-obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
-
+BOARD := $(CONFIG_SYS_BOARD:"%"=%)
+ifneq ($(CONFIG_SYS_VENDOR),)
+VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
endif
-$(shell mkdir -p $(obj))
-else
-obj :=
-endif
-src :=
+ifneq ($(CONFIG_SYS_SOC),)
+SOC := $(CONFIG_SYS_SOC:"%"=%)
endif
-# clean the slate ...
-PLATFORM_RELFLAGS =
-PLATFORM_CPPFLAGS =
-PLATFORM_LDFLAGS =
-
-#########################################################################
-
-# Load generated board configuration
-ifeq ($(CONFIG_TPL_BUILD),y)
-# Include TPL autoconf
-sinclude $(OBJTREE)/include/tpl-autoconf.mk
-else
-ifeq ($(CONFIG_SPL_BUILD),y)
-# Include SPL autoconf
-sinclude $(OBJTREE)/include/spl-autoconf.mk
-else
-# Include normal autoconf
-sinclude $(OBJTREE)/include/autoconf.mk
-endif
-endif
-sinclude $(OBJTREE)/include/config.mk
-
# Some architecture config.mk files need to know what CPUDIR is set to,
# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
# CPU-specific code.
-CPUDIR=arch/$(ARCH)/cpu/$(CPU)
-ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
-CPUDIR=arch/$(ARCH)/cpu
-endif
+CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
-sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules
-sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules
+sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules
+sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules
ifdef SOC
-sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
+sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
endif
+ifneq ($(BOARD),)
ifdef VENDOR
BOARDDIR = $(VENDOR)/$(BOARD)
else
BOARDDIR = $(BOARD)
endif
-ifdef BOARD
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
-endif
-
-#########################################################################
-
-RELFLAGS= $(PLATFORM_RELFLAGS)
-
-OBJCFLAGS += --gap-fill=0xff
-
-gccincdir := $(shell $(CC) -print-file-name=include)
-
-CPPFLAGS = $(KBUILD_CPPFLAGS) $(RELFLAGS)
-
-# Enable garbage collection of un-used sections for SPL
-ifeq ($(CONFIG_SPL_BUILD),y)
-CPPFLAGS += -ffunction-sections -fdata-sections
-LDFLAGS_FINAL += --gc-sections
-endif
-
-ifneq ($(CONFIG_SYS_TEXT_BASE),)
-CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
-endif
-
-ifeq ($(CONFIG_SPL_BUILD),y)
-CPPFLAGS += -DCONFIG_SPL_BUILD
-ifeq ($(CONFIG_TPL_BUILD),y)
-CPPFLAGS += -DCONFIG_TPL_BUILD
endif
+ifdef BOARD
+sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules
endif
-# Does this architecture support generic board init?
-ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
-ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
-CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
-Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
-endif
+ifdef FTRACE
+PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
endif
-ifneq ($(OBJTREE),$(SRCTREE))
-CPPFLAGS += -I$(OBJTREE)/include
+# Allow use of stdint.h if available
+ifneq ($(USE_STDINT),)
+PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT
endif
-CPPFLAGS += -I$(TOPDIR)/include -I$(SRCTREE)/arch/$(ARCH)/include
-CPPFLAGS += -nostdinc \
- -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
-
-CFLAGS := $(KBUILD_CFLAGS) $(CPPFLAGS)
-
-BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
+#########################################################################
-ifeq ($(findstring examples/,$(BCURDIR)),)
-ifeq ($(CONFIG_SPL_BUILD),)
-ifdef FTRACE
-CFLAGS += -finstrument-functions -DFTRACE
-endif
-endif
-endif
+RELFLAGS := $(PLATFORM_RELFLAGS)
-AFLAGS := $(KBUILD_AFLAGS) $(CPPFLAGS)
+PLATFORM_CPPFLAGS += $(RELFLAGS)
+PLATFORM_CPPFLAGS += -pipe
LDFLAGS += $(PLATFORM_LDFLAGS)
LDFLAGS_FINAL += -Bstatic
-LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
-ifneq ($(CONFIG_SYS_TEXT_BASE),)
-LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
-endif
-
-LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
-ifneq ($(CONFIG_SPL_TEXT_BASE),)
-LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
-endif
-
-#########################################################################
-
-export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
+export PLATFORM_CPPFLAGS
+export RELFLAGS
+export LDFLAGS_FINAL
+export CONFIG_STANDALONE_LOAD_ADDR
projects / karo-tx-uboot.git / blobdiff