xref: /openbmc/u-boot/config.mk (revision 9e414032)
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# clean the slate ...
10PLATFORM_RELFLAGS =
11PLATFORM_CPPFLAGS =
12PLATFORM_LDFLAGS =
13
14#########################################################################
15
16# Load generated board configuration
17ifeq ($(CONFIG_TPL_BUILD),y)
18# Include TPL autoconf
19sinclude include/tpl-autoconf.mk
20else
21ifeq ($(CONFIG_SPL_BUILD),y)
22# Include SPL autoconf
23sinclude include/spl-autoconf.mk
24else
25# Include normal autoconf
26sinclude include/autoconf.mk
27endif
28endif
29sinclude $(OBJTREE)/include/config.mk
30
31# Some architecture config.mk files need to know what CPUDIR is set to,
32# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
33# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
34# CPU-specific code.
35CPUDIR=arch/$(ARCH)/cpu/$(CPU)
36ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
37CPUDIR=arch/$(ARCH)/cpu
38endif
39
40sinclude $(TOPDIR)/arch/$(ARCH)/config.mk	# include architecture dependend rules
41sinclude $(TOPDIR)/$(CPUDIR)/config.mk		# include  CPU	specific rules
42
43ifdef	SOC
44sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk	# include  SoC	specific rules
45endif
46ifdef	VENDOR
47BOARDDIR = $(VENDOR)/$(BOARD)
48else
49BOARDDIR = $(BOARD)
50endif
51ifdef	BOARD
52sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk	# include board specific rules
53endif
54
55#########################################################################
56
57RELFLAGS= $(PLATFORM_RELFLAGS)
58
59OBJCFLAGS += --gap-fill=0xff
60
61CPPFLAGS = $(KBUILD_CPPFLAGS) $(RELFLAGS)
62CPPFLAGS += $(UBOOTINCLUDE)
63CPPFLAGS += $(NOSTDINC_FLAGS) -pipe $(PLATFORM_CPPFLAGS)
64
65CFLAGS := $(KBUILD_CFLAGS) $(CPPFLAGS)
66
67BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
68
69AFLAGS := $(KBUILD_AFLAGS) $(CPPFLAGS)
70
71LDFLAGS += $(PLATFORM_LDFLAGS)
72LDFLAGS_FINAL += -Bstatic
73
74#########################################################################
75
76export PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
77