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 # clear VENDOR for tcsh 22 VENDOR := 23 ######################################################################### 24 25 ARCH := $(CONFIG_SYS_ARCH:"%"=%) 26 CPU := $(CONFIG_SYS_CPU:"%"=%) 27 ifdef CONFIG_SPL_BUILD 28 ifdef CONFIG_TEGRA 29 CPU := arm720t 30 endif 31 endif 32 BOARD := $(CONFIG_SYS_BOARD:"%"=%) 33 ifneq ($(CONFIG_SYS_VENDOR),) 34 VENDOR := $(CONFIG_SYS_VENDOR:"%"=%) 35 endif 36 ifneq ($(CONFIG_SYS_SOC),) 37 SOC := $(CONFIG_SYS_SOC:"%"=%) 38 endif 39 40 # Some architecture config.mk files need to know what CPUDIR is set to, 41 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. 42 # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains 43 # CPU-specific code. 44 CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),) 45 46 sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules 47 sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules 48 49 ifdef SOC 50 sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules 51 endif 52 ifneq ($(BOARD),) 53 ifdef VENDOR 54 BOARDDIR = $(VENDOR)/$(BOARD) 55 else 56 BOARDDIR = $(BOARD) 57 endif 58 endif 59 ifdef BOARD 60 sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules 61 endif 62 63 ifdef FTRACE 64 PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE 65 endif 66 67 # Allow use of stdint.h if available 68 ifneq ($(USE_STDINT),) 69 PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT 70 endif 71 72 ######################################################################### 73 74 RELFLAGS := $(PLATFORM_RELFLAGS) 75 76 PLATFORM_CPPFLAGS += $(RELFLAGS) 77 PLATFORM_CPPFLAGS += -pipe 78 79 LDFLAGS += $(PLATFORM_LDFLAGS) 80 LDFLAGS_FINAL += -Bstatic 81 82 export PLATFORM_CPPFLAGS 83 export RELFLAGS 84 export LDFLAGS_FINAL 85 export CONFIG_STANDALONE_LOAD_ADDR 86