]> Gitweb @ Texas Instruments - Open Source Git Repositories - git.TI.com/gitweb - glsdk/glsdk-u-boot.git/blobdiff - arch/arm/config.mk
OMAP4+: Force DDR in self-refresh after warm reset
[glsdk/glsdk-u-boot.git] / arch / arm / config.mk
index 9b4e581b2d05dec619ee3d490442612701b5f342..3f4453a23406ff277ce57ed1803971e60b71af9f 100644 (file)
@@ -33,26 +33,40 @@ endif
 
 PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
 
-# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
-PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
+# Choose between ARM/Thumb instruction sets
+ifeq ($(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,) \
+               $(call cc-option,-mno-thumb-interwork,)
+endif
+
+# Only test once
+ifneq ($(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)))
@@ -69,13 +83,6 @@ PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \
 endif
 endif
 
-ifdef CONFIG_SYS_LDSCRIPT
-# need to strip off double quotes
-LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
-else
-LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
-endif
-
 # needed for relocation
 ifndef CONFIG_NAND_SPL
 LDFLAGS_u-boot += -pie