|  | # | 
|  | # (C) Copyright 2000-2013 | 
|  | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. | 
|  | # | 
|  | # SPDX-License-Identifier:	GPL-2.0+ | 
|  | # | 
|  | ######################################################################### | 
|  |  | 
|  | # 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 := | 
|  | ######################################################################### | 
|  |  | 
|  | ARCH := $(CONFIG_SYS_ARCH:"%"=%) | 
|  | CPU := $(CONFIG_SYS_CPU:"%"=%) | 
|  | ifdef CONFIG_SPL_BUILD | 
|  | ifdef CONFIG_TEGRA | 
|  | CPU := arm720t | 
|  | endif | 
|  | endif | 
|  | BOARD := $(CONFIG_SYS_BOARD:"%"=%) | 
|  | ifneq ($(CONFIG_SYS_VENDOR),) | 
|  | VENDOR := $(CONFIG_SYS_VENDOR:"%"=%) | 
|  | endif | 
|  | ifneq ($(CONFIG_SYS_SOC),) | 
|  | SOC := $(CONFIG_SYS_SOC:"%"=%) | 
|  | endif | 
|  |  | 
|  | # Some architecture config.mk files need to know what CPUDIR is set to, | 
|  | # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. | 
|  | # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains | 
|  | # CPU-specific code. | 
|  | CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),) | 
|  |  | 
|  | sinclude $(srctree)/arch/$(ARCH)/config.mk	# include architecture dependend rules | 
|  | sinclude $(srctree)/$(CPUDIR)/config.mk		# include  CPU	specific rules | 
|  |  | 
|  | ifdef	SOC | 
|  | 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 $(srctree)/board/$(BOARDDIR)/config.mk	# include board specific rules | 
|  | endif | 
|  |  | 
|  | ifdef FTRACE | 
|  | PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE | 
|  | endif | 
|  |  | 
|  | # Allow use of stdint.h if available | 
|  | ifneq ($(USE_STDINT),) | 
|  | PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT | 
|  | endif | 
|  |  | 
|  | ######################################################################### | 
|  |  | 
|  | RELFLAGS := $(PLATFORM_RELFLAGS) | 
|  |  | 
|  | OBJCOPYFLAGS += --gap-fill=0xff | 
|  |  | 
|  | PLATFORM_CPPFLAGS += $(RELFLAGS) | 
|  | PLATFORM_CPPFLAGS += -pipe | 
|  |  | 
|  | LDFLAGS += $(PLATFORM_LDFLAGS) | 
|  | LDFLAGS_FINAL += -Bstatic | 
|  |  | 
|  | export PLATFORM_CPPFLAGS | 
|  | export RELFLAGS | 
|  | export LDFLAGS_FINAL | 
|  | export CONFIG_STANDALONE_LOAD_ADDR |