drivers: power: report battery voltage in AOSP compatible format
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / xtensa / Makefile
... / ...
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1#
2# This file is subject to the terms and conditions of the GNU General Public
3# License. See the file "COPYING" in the main directory of this archive
4# for more details.
5#
6# Copyright (C) 2001 - 2005 Tensilica Inc.
7#
8# This file is included by the global makefile so that you can add your own
9# architecture-specific flags and dependencies. Remember to do have actions
10# for "archclean" and "archdep" for cleaning up and making dependencies for
11# this architecture
12
13# Core configuration.
14# (Use VAR=<xtensa_config> to use another default compiler.)
15
16variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
17variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
18variant-$(CONFIG_XTENSA_VARIANT_DC233C) := dc233c
19variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
20variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
21
22VARIANT = $(variant-y)
23export VARIANT
24
25# Test for cross compiling
26
27ifneq ($(VARIANT),)
28 COMPILE_ARCH = $(shell uname -m)
29
30 ifneq ($(COMPILE_ARCH), xtensa)
31 ifndef CROSS_COMPILE
32 CROSS_COMPILE = xtensa_$(VARIANT)-
33 endif
34 endif
35endif
36
37# Platform configuration
38
39platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
40platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
41platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
42platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
43
44PLATFORM = $(platform-y)
45export PLATFORM
46
47# temporarily until string.h is fixed
48KBUILD_CFLAGS += -ffreestanding -D__linux__
49
50KBUILD_CFLAGS += -pipe -mlongcalls
51
52KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
53
54ifneq ($(CONFIG_LD_NO_RELAX),)
55LDFLAGS := --no-relax
56endif
57
58ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
59CHECKFLAGS += -D__XTENSA_EB__
60endif
61ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
62CHECKFLAGS += -D__XTENSA_EL__
63endif
64
65vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
66plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
67
68ifeq ($(KBUILD_SRC),)
69KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
70else
71KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
72endif
73
74KBUILD_DEFCONFIG := iss_defconfig
75
76# Only build variant and/or platform if it includes a Makefile
77
78buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
79buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
80
81# Find libgcc.a
82
83LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
84
85head-y := arch/xtensa/kernel/head.o
86core-y += arch/xtensa/kernel/ arch/xtensa/mm/
87core-y += $(buildvar) $(buildplf)
88
89libs-y += arch/xtensa/lib/ $(LIBGCC)
90drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
91
92ifneq ($(CONFIG_BUILTIN_DTB),"")
93core-$(CONFIG_OF) += arch/xtensa/boot/dts/
94endif
95
96boot := arch/xtensa/boot
97
98all: zImage
99
100bzImage : zImage
101
102zImage: vmlinux
103 $(Q)$(MAKE) $(build)=$(boot) $@
104
105%.dtb:
106 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
107
108define archhelp
109 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
110endef