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 # 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 #########################################################################
  22
  23 # Some architecture config.mk files need to know what CPUDIR is set to,
  24 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
  25 # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
  26 # CPU-specific code.
  27 CPUDIR=arch/$(ARCH)/cpu/$(CPU)
  28 ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
  29 CPUDIR=arch/$(ARCH)/cpu
  30 endif
  31
  32 sinclude $(TOPDIR)/arch/$(ARCH)/config.mk       # include architecture dependend rules
  33 sinclude $(TOPDIR)/$(CPUDIR)/config.mk          # include  CPU  specific rules
  34
  35 ifdef   SOC
  36 sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk   # include  SoC  specific rules
  37 endif
  38 ifneq ($(BOARD),)
  39 ifdef   VENDOR
  40 BOARDDIR = $(VENDOR)/$(BOARD)
  41 else
  42 BOARDDIR = $(BOARD)
  43 endif
  44 endif
  45 ifdef   BOARD
  46 sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk  # include board specific rules
  47 endif
  48
  49 #########################################################################
  50
  51 RELFLAGS := $(PLATFORM_RELFLAGS)
  52
  53 OBJCOPYFLAGS += --gap-fill=0xff
  54
  55 PLATFORM_CPPFLAGS += $(RELFLAGS)
  56 PLATFORM_CPPFLAGS += -pipe
  57
  58 LDFLAGS += $(PLATFORM_LDFLAGS)
  59 LDFLAGS_FINAL += -Bstatic
  60
  61 export PLATFORM_CPPFLAGS
  62 export RELFLAGS
  63 export LDFLAGS_FINAL
  64 export CONFIG_STANDALONE_LOAD_ADDR