diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index 6923f6dafaffc41837488a9e6c1fd2315acae188..3f4453a23406ff277ce57ed1803971e60b71af9f 100644 (file)
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
CROSS_COMPILE ?= arm-linux-
-ifeq ($(BOARD),omap2420h4)
-STANDALONE_LOAD_ADDR = 0x80300000
-else
+ifndef CONFIG_STANDALONE_LOAD_ADDR
ifeq ($(SOC),omap3)
-STANDALONE_LOAD_ADDR = 0x80300000
+CONFIG_STANDALONE_LOAD_ADDR = 0x80300000
else
-STANDALONE_LOAD_ADDR = 0xc100000
+CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
endif
endif
-ifndef CONFIG_SYS_ARM_WITHOUT_RELOC
-# needed for relocation
-PLATFORM_RELFLAGS += -fPIC
-endif
+PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
-ifdef CONFIG_SYS_ARM_WITHOUT_RELOC
-PLATFORM_CPPFLAGS += -DCONFIG_SYS_ARM_WITHOUT_RELOC
+# Choose between ARM/Thumb instruction sets
+ifeq ($(CONFIG_SYS_THUMB_BUILD),y)
+PF_CPPFLAGS_ARM := $(call cc-option, -mthumb -mthumb-interwork,\
+ $(call cc-option,-marm,)\
+ $(call cc-option,-mno-thumb-interwork,)\
+ )
+else
+PF_CPPFLAGS_ARM := $(call cc-option,-marm,) \
+ $(call cc-option,-mno-thumb-interwork,)
endif
-PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
-# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
-PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
+# Only test once
+ifneq ($(CONFIG_SPL_BUILD),y)
+ALL-$(CONFIG_SYS_THUMB_BUILD) += checkthumb
+endif
# Try if EABI is supported, else fall back to old API,
# i. e. for example:
# - with ELDK 4.2 (EABI supported), use:
-# -mabi=aapcs-linux -mno-thumb-interwork
+# -mabi=aapcs-linux
# - with ELDK 4.1 (gcc 4.x, no EABI), use:
-# -mabi=apcs-gnu -mno-thumb-interwork
+# -mabi=apcs-gnu
# - with ELDK 3.1 (gcc 3.x), use:
-# -mapcs-32 -mno-thumb-interwork
-PLATFORM_CPPFLAGS += $(call cc-option,\
- -mabi=aapcs-linux -mno-thumb-interwork,\
+# -mapcs-32
+PF_CPPFLAGS_ABI := $(call cc-option,\
+ -mabi=aapcs-linux,\
+ $(call cc-option,\
+ -mapcs-32,\
$(call cc-option,\
- -mapcs-32,\
- $(call cc-option,\
- -mabi=apcs-gnu,\
- )\
- ) $(call cc-option,-mno-thumb-interwork,)\
- )
+ -mabi=apcs-gnu,\
+ )\
+ )\
+ )
+PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARM) $(PF_CPPFLAGS_ABI)
# For EABI, make sure to provide raise()
ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
-# This file is parsed several times; make sure to add only once.
-ifeq (,$(findstring arch/arm/lib/eabi_compat.o,$(PLATFORM_LIBS)))
-PLATFORM_LIBS += $(OBJTREE)/arch/arm/lib/eabi_compat.o
+# This file is parsed many times, so the string may get added multiple
+# times. Also, the prefix needs to be different based on whether
+# CONFIG_SPL_BUILD is defined or not. 'filter-out' the existing entry
+# before adding the correct one.
+ifdef CONFIG_SPL_BUILD
+PLATFORM_LIBS := $(SPLTREE)/arch/arm/lib/eabi_compat.o \
+ $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
+else
+PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \
+ $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
+endif
endif
+
+# needed for relocation
+ifndef CONFIG_NAND_SPL
+LDFLAGS_u-boot += -pie
endif
-LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds