LXR uboot/config.mk

   1# SPDX-License-Identifier: GPL-2.0+
   2#
   3# (C) Copyright 2000-2013
   4# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5#########################################################################
   6
   7# This file is included from ./Makefile and spl/Makefile.
   8# Clean the state to avoid the same flags added twice.
   9#
  10# (Tegra needs different flags for SPL.
  11#  That's the reason why this file must be included from spl/Makefile too.
  12#  If we did not have Tegra SoCs, build system would be much simpler...)
  13PLATFORM_RELFLAGS :=
  14PLATFORM_CPPFLAGS :=
  15PLATFORM_LDFLAGS :=
  16LDFLAGS :=
  17LDFLAGS_FINAL :=
  18LDFLAGS_STANDALONE :=
  19OBJCOPYFLAGS :=
  20# clear VENDOR for tcsh
  21VENDOR :=
  22#########################################################################
  23
  24ARCH := $(CONFIG_SYS_ARCH:"%"=%)
  25CPU := $(CONFIG_SYS_CPU:"%"=%)
  26ifdef CONFIG_SPL_BUILD
  27ifdef CONFIG_TEGRA
  28CPU := arm720t
  29endif
  30endif
  31BOARD := $(CONFIG_SYS_BOARD:"%"=%)
  32ifneq ($(CONFIG_SYS_VENDOR),)
  33VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
  34endif
  35ifneq ($(CONFIG_SYS_SOC),)
  36SOC := $(CONFIG_SYS_SOC:"%"=%)
  37endif
  38
  39# Some architecture config.mk files need to know what CPUDIR is set to,
  40# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
  41# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
  42# CPU-specific code.
  43CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
  44
  45sinclude $(srctree)/arch/$(ARCH)/config.mk      # include architecture dependend rules
  46sinclude $(srctree)/$(CPUDIR)/config.mk         # include  CPU  specific rules
  47
  48ifdef   SOC
  49sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk  # include  SoC  specific rules
  50endif
  51ifneq ($(BOARD),)
  52ifdef   VENDOR
  53BOARDDIR = $(VENDOR)/$(BOARD)
  54else
  55BOARDDIR = $(BOARD)
  56endif
  57endif
  58ifdef   BOARD
  59sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules
  60endif
  61
  62ifdef FTRACE
  63PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
  64endif
  65
  66#########################################################################
  67
  68RELFLAGS := $(PLATFORM_RELFLAGS)
  69
  70PLATFORM_CPPFLAGS += $(RELFLAGS)
  71PLATFORM_CPPFLAGS += -pipe
  72
  73LDFLAGS += $(PLATFORM_LDFLAGS)
  74LDFLAGS_FINAL += -Bstatic
  75
  76export PLATFORM_CPPFLAGS
  77export RELFLAGS
  78export LDFLAGS_FINAL
  79export LDFLAGS_STANDALONE
  80export CONFIG_STANDALONE_LOAD_ADDR
  81