arm: ls1021atwr: Enable driver model lpuart serial driver

[u-boot] / arch / arm / lib / Makefile

diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index f7171035265eafb135f70ce21f1bd69dd8f1b961..f3db7b58cb593fdc3116b2a5cd5a9f0952780e65 100644 (file)
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -22,9 +22,6 @@ obj-y += relocate_64.o
 else
 obj-y  += relocate.o
 endif
-ifndef CONFIG_SYS_GENERIC_BOARD
-obj-y  += board.o
-endif
 
 obj-$(CONFIG_CPU_V7M) += cmd_boot.o
 obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
@@ -63,3 +60,27 @@ obj-$(CONFIG_DEBUG_LL)       += debug.o
 ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
 extra-y        += eabi_compat.o
 endif
+
+# some files can only build in ARM or THUMB2, not THUMB1
+
+ifdef CONFIG_SYS_THUMB_BUILD
+ifndef CONFIG_HAS_THUMB2
+
+# for C files, just apend -marm, which will override previous -mthumb*
+
+CFLAGS_cache.o := -marm
+CFLAGS_cache-cp15.o := -marm
+
+# For .S, drop -mthumb* and other thumb-related options.
+# CFLAGS_REMOVE_* would not have an effet, so AFLAGS_REMOVE_*
+# was implemented and is used here.
+# Also, define ${target}_NO_THUMB_BUILD for these two targets
+# so that the code knows it should not use Thumb.
+
+AFLAGS_REMOVE_memset.o := -mthumb -mthumb-interwork
+AFLAGS_REMOVE_memcpy.o := -mthumb -mthumb-interwork
+AFLAGS_memset.o := -DMEMSET_NO_THUMB_BUILD
+AFLAGS_memcpy.o := -DMEMCPY_NO_THUMB_BUILD
+
+endif
+endif