1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7######################################################################### 8 9ifeq ($(CURDIR),$(SRCTREE)) 10dir := 11else 12dir := $(subst $(SRCTREE)/,,$(CURDIR)) 13endif 14 15ifneq ($(OBJTREE),$(SRCTREE)) 16# Create object files for SPL in a separate directory 17ifeq ($(CONFIG_SPL_BUILD),y) 18ifeq ($(CONFIG_TPL_BUILD),y) 19obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/) 20else 21obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) 22endif 23else 24obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/) 25endif 26src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/) 27 28$(shell mkdir -p $(obj)) 29else 30# Create object files for SPL in a separate directory 31ifeq ($(CONFIG_SPL_BUILD),y) 32ifeq ($(CONFIG_TPL_BUILD),y) 33obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/) 34else 35obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) 36 37endif 38$(shell mkdir -p $(obj)) 39else 40obj := 41endif 42src := 43endif 44 45# clean the slate ... 46PLATFORM_RELFLAGS = 47PLATFORM_CPPFLAGS = 48PLATFORM_LDFLAGS = 49 50######################################################################### 51 52# Load generated board configuration 53ifeq ($(CONFIG_TPL_BUILD),y) 54# Include TPL autoconf 55sinclude $(OBJTREE)/include/tpl-autoconf.mk 56else 57ifeq ($(CONFIG_SPL_BUILD),y) 58# Include SPL autoconf 59sinclude $(OBJTREE)/include/spl-autoconf.mk 60else 61# Include normal autoconf 62sinclude $(OBJTREE)/include/autoconf.mk 63endif 64endif 65sinclude $(OBJTREE)/include/config.mk 66 67# Some architecture config.mk files need to know what CPUDIR is set to, 68# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. 69# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains 70# CPU-specific code. 71CPUDIR=arch/$(ARCH)/cpu/$(CPU) 72ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR))) 73CPUDIR=arch/$(ARCH)/cpu 74endif 75 76sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules 77sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules 78 79ifdef SOC 80sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules 81endif 82ifdef VENDOR 83BOARDDIR = $(VENDOR)/$(BOARD) 84else 85BOARDDIR = $(BOARD) 86endif 87ifdef BOARD 88sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules 89endif 90 91######################################################################### 92 93RELFLAGS= $(PLATFORM_RELFLAGS) 94 95OBJCFLAGS += --gap-fill=0xff 96 97CPPFLAGS = $(KBUILD_CPPFLAGS) $(RELFLAGS) 98CPPFLAGS += $(UBOOTINCLUDE) 99CPPFLAGS += $(NOSTDINC_FLAGS) -pipe $(PLATFORM_CPPFLAGS) 100 101CFLAGS := $(KBUILD_CFLAGS) $(CPPFLAGS) 102 103BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) 104 105AFLAGS := $(KBUILD_AFLAGS) $(CPPFLAGS) 106 107LDFLAGS += $(PLATFORM_LDFLAGS) 108LDFLAGS_FINAL += -Bstatic 109 110######################################################################### 111 112export PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS 113