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 :=
  15LDFLAGS_FINAL :=
  16LDFLAGS_STANDALONE :=
  17OBJCOPYFLAGS :=
  18# clear VENDOR for tcsh
  19VENDOR :=
  20#########################################################################
  21
  22ARCH := $(CONFIG_SYS_ARCH:"%"=%)
  23CPU := $(CONFIG_SYS_CPU:"%"=%)
  24ifdef CONFIG_XPL_BUILD
  25ifdef CONFIG_ARCH_TEGRA
  26CPU := arm720t
  27endif
  28endif
  29BOARD := $(CONFIG_SYS_BOARD:"%"=%)
  30ifneq ($(CONFIG_SYS_VENDOR),)
  31VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
  32endif
  33ifneq ($(CONFIG_SYS_SOC),)
  34SOC := $(CONFIG_SYS_SOC:"%"=%)
  35endif
  36
  37# Some architecture config.mk files need to know what CPUDIR is set to,
  38# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
  39# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
  40# CPU-specific code.
  41CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
  42
  43sinclude $(srctree)/arch/$(ARCH)/config.mk      # include architecture dependend rules
  44sinclude $(srctree)/$(CPUDIR)/config.mk         # include  CPU  specific rules
  45
  46ifdef   SOC
  47sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk  # include  SoC  specific rules
  48endif
  49ifneq ($(BOARD),)
  50ifdef   VENDOR
  51BOARDDIR = $(VENDOR)/$(BOARD)
  52ENVDIR=${vendor}/env
  53else
  54BOARDDIR = $(BOARD)
  55ENVDIR=${board}/env
  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_FINAL += -Bstatic
  74
  75export PLATFORM_CPPFLAGS
  76export RELFLAGS
  77export LDFLAGS_FINAL
  78export LDFLAGS_STANDALONE
  79