2 # (C) Copyright 2000-2013
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
7 #########################################################################
9 # This file is included from ./Makefile and spl/Makefile.
10 # Clean the state to avoid the same flags added twice.
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...)
21 # clear VENDOR for tcsh
23 #########################################################################
25 ARCH := $(CONFIG_SYS_ARCH:"%"=%)
26 CPU := $(CONFIG_SYS_CPU:"%"=%)
27 ifdef CONFIG_SPL_BUILD
32 BOARD := $(CONFIG_SYS_BOARD:"%"=%)
33 ifneq ($(CONFIG_SYS_VENDOR),)
34 VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
36 ifneq ($(CONFIG_SYS_SOC),)
37 SOC := $(CONFIG_SYS_SOC:"%"=%)
40 # Some architecture config.mk files need to know what CPUDIR is set to,
41 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
42 # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
44 CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
46 sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules
47 sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules
50 sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
54 BOARDDIR = $(VENDOR)/$(BOARD)
60 sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules
64 PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
67 # Allow use of stdint.h if available
68 ifneq ($(USE_STDINT),)
69 PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT
72 #########################################################################
74 RELFLAGS := $(PLATFORM_RELFLAGS)
76 OBJCOPYFLAGS += --gap-fill=0xff
78 PLATFORM_CPPFLAGS += $(RELFLAGS)
79 PLATFORM_CPPFLAGS += -pipe
81 LDFLAGS += $(PLATFORM_LDFLAGS)
82 LDFLAGS_FINAL += -Bstatic
84 export PLATFORM_CPPFLAGS
87 export CONFIG_STANDALONE_LOAD_ADDR