path: root/config.mk (plain)
blob: d13f4338e847d4b1044fdc0f9d68881e50a45693

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
9	# This file is included from ./Makefile and spl/Makefile.
10	# Clean the state to avoid the same flags added twice.
11	#
12	# (Tegra needs different flags for SPL.
13	# That's the reason why this file must be included from spl/Makefile too.
14	# If we did not have Tegra SoCs, build system would be much simpler...)
15	PLATFORM_RELFLAGS :=
16	PLATFORM_CPPFLAGS :=
17	PLATFORM_LDFLAGS :=
18	LDFLAGS :=
19	LDFLAGS_FINAL :=
20	OBJCOPYFLAGS :=
21	# clear VENDOR for tcsh
22	VENDOR :=
23	#########################################################################
24
25	ARCH := $(CONFIG_SYS_ARCH:"%"=%)
26	CPU := $(CONFIG_SYS_CPU:"%"=%)
27	BOARD := $(CONFIG_SYS_BOARD:"%"=%)
28	ifneq ($(CONFIG_SYS_VENDOR),)
29	VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
30	endif
31	ifneq ($(CONFIG_SYS_SOC),)
32	SOC := $(CONFIG_SYS_SOC:"%"=%)
33	endif
34
35	# Some architecture config.mk files need to know what CPUDIR is set to,
36	# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
37	# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
38	# CPU-specific code.
39	CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
40
41	sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules
42	sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules
43
44	ifdef SOC
45	sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
46	endif
47	ifneq ($(BOARD),)
48	ifeq ($(CONFIG_SUPPORT_CUSOTMER_BOARD), y) #SUPPORT_CUSOTMER_BOARD
49	BOARDDIR = customer/board/$(BOARD)
50	else #SUPPORT_CUSOTMER_BOARD
51	ifdef VENDOR
52	BOARDDIR = board/$(VENDOR)/$(BOARD)
53	else
54	BOARDDIR = board/$(BOARD)
55	endif
56	endif #SUPPORT_CUSOTMER_BOARD
57	endif
58	ifdef BOARD
59	sinclude $(srctree)/$(BOARDDIR)/config.mk # include board specific rules
60	endif
61
62	ifdef FTRACE
63	PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
64	endif
65
66	# Allow use of stdint.h if available
67	ifneq ($(USE_STDINT),)
68	PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT
69	endif
70
71	#########################################################################
72
73	RELFLAGS := $(PLATFORM_RELFLAGS)
74
75	OBJCOPYFLAGS += --gap-fill=0xff
76
77	PLATFORM_CPPFLAGS += $(RELFLAGS)
78	PLATFORM_CPPFLAGS += -pipe
79
80	LDFLAGS += $(PLATFORM_LDFLAGS)
81	LDFLAGS_FINAL += -Bstatic
82
83	FIRMWARE_CPPFLAGS += -I$(buildsrc)/include
84	FIRMWARE_CPPFLAGS += -I$(buildsrc)/arch/$(ARCH)/include
85	FIRMWARE_CPPFLAGS += -I$(buildtree)/include2 -I$(buildtree)/include
86	FIRMWARE_CPPFLAGS += -include $(buildtree)/include/config.h
87	FIRMWARE_CPPFLAGS += -include $(buildtree)/include/generated/autoconf.h
88	FIRMWARE_CPPFLAGS += -include $(buildtree)/include/generated/version_autogenerated.h
89	FIRMWARE_CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
90	-isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
91	FIRMWARE_CPPFLAGS += -I$(buildsrc)/board/$(BOARDDIR)/firmware
92
93	export FIRMWARE_CPPFLAGS
94	export PLATFORM_CPPFLAGS
95	export RELFLAGS
96	export LDFLAGS_FINAL
97	export CONFIG_STANDALONE_LOAD_ADDR
98