1 # SPDX-License-Identifier: GPL-2.0+
3 # (C) Copyright 2000-2013
4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 #########################################################################
7 # This file is included from ./Makefile and spl/Makefile.
8 # Clean the state to avoid the same flags added twice.
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...)
19 # clear VENDOR for tcsh
21 #########################################################################
23 ARCH := $(CONFIG_SYS_ARCH:"%"=%)
24 CPU := $(CONFIG_SYS_CPU:"%"=%)
25 ifdef CONFIG_SPL_BUILD
30 BOARD := $(CONFIG_SYS_BOARD:"%"=%)
31 ifneq ($(CONFIG_SYS_VENDOR),)
32 VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
34 ifneq ($(CONFIG_SYS_SOC),)
35 SOC := $(CONFIG_SYS_SOC:"%"=%)
38 # Some architecture config.mk files need to know what CPUDIR is set to,
39 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
40 # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
42 CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
44 sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules
45 sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules
48 sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
52 BOARDDIR = $(VENDOR)/$(BOARD)
58 sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules
62 PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
65 # Allow use of stdint.h if available
66 ifneq ($(USE_STDINT),)
67 PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT
70 #########################################################################
72 RELFLAGS := $(PLATFORM_RELFLAGS)
74 PLATFORM_CPPFLAGS += $(RELFLAGS)
75 PLATFORM_CPPFLAGS += -pipe
77 LDFLAGS += $(PLATFORM_LDFLAGS)
78 LDFLAGS_FINAL += -Bstatic
80 export PLATFORM_CPPFLAGS
83 export CONFIG_STANDALONE_LOAD_ADDR