#
-# (C) Copyright 2000-2006
+# (C) Copyright 2000-2013
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
-# See file CREDITS for list of people who contributed to this
-# project.
+# SPDX-License-Identifier: GPL-2.0+
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
#########################################################################
-ifneq ($(OBJTREE),$(SRCTREE))
-ifeq ($(CURDIR),$(SRCTREE))
-dir :=
-else
-dir := $(subst $(SRCTREE)/,,$(CURDIR))
-endif
-
-obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
-src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
-
-$(shell mkdir -p $(obj))
-else
-obj :=
-src :=
-endif
-
-# clean the slate ...
-PLATFORM_RELFLAGS =
-PLATFORM_CPPFLAGS =
-PLATFORM_LDFLAGS =
-
+# This file is included from ./Makefile and spl/Makefile.
+# Clean the state to avoid the same flags added twice.
+#
+# (Tegra needs different flags for SPL.
+# That's the reason why this file must be included from spl/Makefile too.
+# If we did not have Tegra SoCs, build system would be much simpler...)
+PLATFORM_RELFLAGS :=
+PLATFORM_CPPFLAGS :=
+PLATFORM_LDFLAGS :=
+LDFLAGS :=
+LDFLAGS_FINAL :=
+OBJCOPYFLAGS :=
#########################################################################
-ifeq ($(HOSTOS),darwin)
-HOSTCC = cc
-else
-HOSTCC = gcc
+ARCH := $(CONFIG_SYS_ARCH:"%"=%)
+CPU := $(CONFIG_SYS_CPU:"%"=%)
+BOARD := $(CONFIG_SYS_BOARD:"%"=%)
+ifneq ($(CONFIG_SYS_VENDOR),)
+VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
+endif
+ifneq ($(CONFIG_SYS_SOC),)
+SOC := $(CONFIG_SYS_SOC:"%"=%)
endif
-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
-HOSTSTRIP = strip
-
-#########################################################################
-#
-# Option checker (courtesy linux kernel) to ensure
-# only supported compiler options are used
-#
-cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
- > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
-
-#
-# Include the make variables (CC, etc...)
-#
-AS = $(CROSS_COMPILE)as
-LD = $(CROSS_COMPILE)ld
-CC = $(CROSS_COMPILE)gcc
-CPP = $(CC) -E
-AR = $(CROSS_COMPILE)ar
-NM = $(CROSS_COMPILE)nm
-LDR = $(CROSS_COMPILE)ldr
-STRIP = $(CROSS_COMPILE)strip
-OBJCOPY = $(CROSS_COMPILE)objcopy
-OBJDUMP = $(CROSS_COMPILE)objdump
-RANLIB = $(CROSS_COMPILE)RANLIB
-#########################################################################
+# Some architecture config.mk files need to know what CPUDIR is set to,
+# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
+# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
+# CPU-specific code.
+CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
-# Load generated board configuration
-sinclude $(OBJTREE)/include/autoconf.mk
+sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules
+sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules
-ifdef ARCH
-sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
-endif
-ifdef CPU
-sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
-endif
ifdef SOC
-sinclude $(TOPDIR)/cpu/$(CPU)/$(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
+endif
ifdef BOARD
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
+sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules
endif
#########################################################################
-ifneq (,$(findstring s,$(MAKEFLAGS)))
-ARFLAGS = cr
-else
-ARFLAGS = crv
-endif
-RELFLAGS= $(PLATFORM_RELFLAGS)
-DBGFLAGS= -g # -DDEBUG
-OPTFLAGS= -Os #-fomit-frame-pointer
-ifndef LDSCRIPT
-#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
-ifeq ($(CONFIG_NAND_U_BOOT),y)
-LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
-else
-LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
-endif
-endif
-OBJCFLAGS += --gap-fill=0xff
-
-gccincdir := $(shell $(CC) -print-file-name=include)
-
-CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
- -D__KERNEL__
-ifneq ($(TEXT_BASE),)
-CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
-endif
-
-ifneq ($(OBJTREE),$(SRCTREE))
-CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
-endif
-
-CPPFLAGS += -I$(TOPDIR)/include
-CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
- -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
-
-ifdef BUILD_TAG
-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
- -DBUILD_TAG='"$(BUILD_TAG)"'
-else
-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
-endif
-
-CFLAGS += $(call cc-option,-fno-stack-protector)
-
-# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
-# this option have to be placed behind -Wall -- that's why it is here
-ifeq ($(ARCH),nios)
-ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
-CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
-endif
-endif
+RELFLAGS := $(PLATFORM_RELFLAGS)
-# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
-# option to the assembler.
-AFLAGS_DEBUG :=
+OBJCOPYFLAGS += --gap-fill=0xff
-# turn jbsr into jsr for m68k
-ifeq ($(ARCH),m68k)
-ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
-AFLAGS_DEBUG := -Wa,-gstabs,-S
-endif
-endif
+PLATFORM_CPPFLAGS += $(RELFLAGS)
+PLATFORM_CPPFLAGS += -pipe
-AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
+LDFLAGS += $(PLATFORM_LDFLAGS)
+LDFLAGS_FINAL += -Bstatic
-LDFLAGS += -Bstatic -T $(LDSCRIPT) $(PLATFORM_LDFLAGS)
-ifneq ($(TEXT_BASE),)
-LDFLAGS += -Ttext $(TEXT_BASE)
-endif
-
-# Location of a usable BFD library, where we define "usable" as
-# "built for ${HOST}, supports ${TARGET}". Sensible values are
-# - When cross-compiling: the root of the cross-environment
-# - Linux/ppc (native): /usr
-# - NetBSD/ppc (native): you lose ... (must extract these from the
-# binutils build directory, plus the native and U-Boot include
-# files don't like each other)
-#
-# So far, this is used only by tools/gdb/Makefile.
-
-ifeq ($(HOSTOS),darwin)
-BFD_ROOT_DIR = /usr/local/tools
-else
-ifeq ($(HOSTARCH),$(ARCH))
-# native
-BFD_ROOT_DIR = /usr
-else
-#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
-#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
-BFD_ROOT_DIR = /opt/powerpc
-endif
-endif
-
-#########################################################################
-
-export HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
- AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
-export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
-
-#########################################################################
-
-# Allow boards to use custom optimize flags on a per dir/file basis
-BCURDIR := $(notdir $(CURDIR))
-$(obj)%.s: %.S
- $(CPP) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $<
-$(obj)%.o: %.S
- $(CC) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< -c
-$(obj)%.o: %.c
- $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c
-$(obj)%.i: %.c
- $(CPP) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c
-$(obj)%.s: %.c
- $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c -S
-
-#########################################################################
+export PLATFORM_CPPFLAGS
+export RELFLAGS
+export LDFLAGS_FINAL
+export CONFIG_STANDALONE_LOAD_ADDR
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