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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 | ######################################################################### | |
22 | ||
23 | ARCH := $(CONFIG_SYS_ARCH:"%"=%) | |
24 | CPU := $(CONFIG_SYS_CPU:"%"=%) | |
25 | BOARD := $(CONFIG_SYS_BOARD:"%"=%) | |
26 | ifneq ($(CONFIG_SYS_VENDOR),) | |
27 | VENDOR := $(CONFIG_SYS_VENDOR:"%"=%) | |
28 | endif | |
29 | ifneq ($(CONFIG_SYS_SOC),) | |
30 | SOC := $(CONFIG_SYS_SOC:"%"=%) | |
31 | endif | |
32 | ||
33 | # Some architecture config.mk files need to know what CPUDIR is set to, | |
34 | # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. | |
35 | # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains | |
36 | # CPU-specific code. | |
37 | CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),) | |
38 | ||
39 | sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules | |
40 | sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules | |
41 | ||
42 | ifdef SOC | |
43 | sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules | |
44 | endif | |
45 | ifneq ($(BOARD),) | |
46 | ifdef VENDOR | |
47 | BOARDDIR = $(VENDOR)/$(BOARD) | |
48 | else | |
49 | BOARDDIR = $(BOARD) | |
50 | endif | |
51 | endif | |
52 | ifdef BOARD | |
53 | sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules | |
54 | endif | |
55 | ||
56 | ######################################################################### | |
57 | ||
58 | RELFLAGS := $(PLATFORM_RELFLAGS) | |
59 | ||
60 | OBJCOPYFLAGS += --gap-fill=0xff | |
61 | ||
62 | PLATFORM_CPPFLAGS += $(RELFLAGS) | |
63 | PLATFORM_CPPFLAGS += -pipe | |
64 | ||
65 | LDFLAGS += $(PLATFORM_LDFLAGS) | |
66 | LDFLAGS_FINAL += -Bstatic | |
67 | ||
68 | export PLATFORM_CPPFLAGS | |
69 | export RELFLAGS | |
70 | export LDFLAGS_FINAL | |
71 | export CONFIG_STANDALONE_LOAD_ADDR |