config.mk

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